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Repository: lightpanda-io/browser
Branch: main
Commit: 4cdc24326af3
Files: 697
Total size: 4.6 MB
Directory structure:
gitextract_h4l2nhcz/
├── .github/
│ ├── actions/
│ │ └── install/
│ │ └── action.yml
│ └── workflows/
│ ├── cla.yml
│ ├── e2e-integration-test.yml
│ ├── e2e-test.yml
│ ├── nightly.yml
│ ├── wpt.yml
│ └── zig-test.yml
├── .gitignore
├── CLA.md
├── CONTRIBUTING.md
├── Dockerfile
├── LICENSE
├── LICENSING.md
├── Makefile
├── README.md
├── build.zig
├── build.zig.zon
├── flake.nix
└── src/
├── App.zig
├── ArenaPool.zig
├── Config.zig
├── Notification.zig
├── SemanticTree.zig
├── Server.zig
├── Sighandler.zig
├── TestHTTPServer.zig
├── browser/
│ ├── Browser.zig
│ ├── EventManager.zig
│ ├── Factory.zig
│ ├── HttpClient.zig
│ ├── Mime.zig
│ ├── Page.zig
│ ├── ScriptManager.zig
│ ├── Session.zig
│ ├── URL.zig
│ ├── actions.zig
│ ├── color.zig
│ ├── css/
│ │ ├── Parser.zig
│ │ └── Tokenizer.zig
│ ├── dump.zig
│ ├── interactive.zig
│ ├── js/
│ │ ├── Array.zig
│ │ ├── BigInt.zig
│ │ ├── Caller.zig
│ │ ├── Context.zig
│ │ ├── Env.zig
│ │ ├── Function.zig
│ │ ├── HandleScope.zig
│ │ ├── Inspector.zig
│ │ ├── Integer.zig
│ │ ├── Isolate.zig
│ │ ├── Local.zig
│ │ ├── Module.zig
│ │ ├── Number.zig
│ │ ├── Object.zig
│ │ ├── Origin.zig
│ │ ├── Platform.zig
│ │ ├── Private.zig
│ │ ├── Promise.zig
│ │ ├── PromiseRejection.zig
│ │ ├── PromiseResolver.zig
│ │ ├── Scheduler.zig
│ │ ├── Snapshot.zig
│ │ ├── String.zig
│ │ ├── TaggedOpaque.zig
│ │ ├── TryCatch.zig
│ │ ├── Value.zig
│ │ ├── bridge.zig
│ │ └── js.zig
│ ├── markdown.zig
│ ├── parser/
│ │ ├── Parser.zig
│ │ └── html5ever.zig
│ ├── reflect.zig
│ ├── structured_data.zig
│ ├── tests/
│ │ ├── animation/
│ │ │ └── animation.html
│ │ ├── blob.html
│ │ ├── canvas/
│ │ │ ├── canvas_rendering_context_2d.html
│ │ │ ├── offscreen_canvas.html
│ │ │ └── webgl_rendering_context.html
│ │ ├── cdata/
│ │ │ ├── cdata_section.html
│ │ │ ├── character_data.html
│ │ │ ├── comment.html
│ │ │ ├── data.html
│ │ │ └── text.html
│ │ ├── cdp/
│ │ │ ├── dom1.html
│ │ │ ├── dom2.html
│ │ │ ├── dom3.html
│ │ │ ├── registry1.html
│ │ │ ├── registry2.html
│ │ │ └── registry3.html
│ │ ├── collections/
│ │ │ └── radio_node_list.html
│ │ ├── console/
│ │ │ └── console.html
│ │ ├── crypto.html
│ │ ├── css/
│ │ │ ├── font_face.html
│ │ │ ├── font_face_set.html
│ │ │ ├── media_query_list.html
│ │ │ └── stylesheet.html
│ │ ├── css.html
│ │ ├── custom_elements/
│ │ │ ├── attribute_changed.html
│ │ │ ├── built_in.html
│ │ │ ├── connected.html
│ │ │ ├── connected_from_parser.html
│ │ │ ├── constructor.html
│ │ │ ├── disconnected.html
│ │ │ ├── registry.html
│ │ │ ├── throw_on_dynamic_markup_insertion.html
│ │ │ └── upgrade.html
│ │ ├── document/
│ │ │ ├── adopt_import.html
│ │ │ ├── all_collection.html
│ │ │ ├── children.html
│ │ │ ├── collections.html
│ │ │ ├── create_element.html
│ │ │ ├── create_element_ns.html
│ │ │ ├── document-title.html
│ │ │ ├── document.html
│ │ │ ├── element_from_point.html
│ │ │ ├── focus.html
│ │ │ ├── get_element_by_id.html
│ │ │ ├── get_elements_by_class_name-multiple.html
│ │ │ ├── get_elements_by_class_name.html
│ │ │ ├── get_elements_by_name.html
│ │ │ ├── get_elements_by_tag_name-wildcard.html
│ │ │ ├── get_elements_by_tag_name.html
│ │ │ ├── insert_adjacent_element.html
│ │ │ ├── insert_adjacent_html.html
│ │ │ ├── insert_adjacent_text.html
│ │ │ ├── query_selector.html
│ │ │ ├── query_selector_all.html
│ │ │ ├── query_selector_attributes.html
│ │ │ ├── query_selector_edge_cases.html
│ │ │ ├── query_selector_not.html
│ │ │ ├── replace_children.html
│ │ │ └── write.html
│ │ ├── document_fragment/
│ │ │ ├── document_fragment.html
│ │ │ └── insertion.html
│ │ ├── document_head_body.html
│ │ ├── domexception.html
│ │ ├── domimplementation.html
│ │ ├── domparser.html
│ │ ├── element/
│ │ │ ├── append.html
│ │ │ ├── attributes.html
│ │ │ ├── bounding_rect.html
│ │ │ ├── class_list.html
│ │ │ ├── closest.html
│ │ │ ├── css_style_properties.html
│ │ │ ├── dataset.html
│ │ │ ├── duplicate_ids.html
│ │ │ ├── element.html
│ │ │ ├── get_elements_by_class_name.html
│ │ │ ├── get_elements_by_tag_name.html
│ │ │ ├── get_elements_by_tag_name_ns.html
│ │ │ ├── html/
│ │ │ │ ├── anchor.html
│ │ │ │ ├── button.html
│ │ │ │ ├── details.html
│ │ │ │ ├── dialog.html
│ │ │ │ ├── event_listeners.html
│ │ │ │ ├── fieldset.html
│ │ │ │ ├── form.html
│ │ │ │ ├── htmlelement-props.html
│ │ │ │ ├── image.html
│ │ │ │ ├── input-attrs.html
│ │ │ │ ├── input.html
│ │ │ │ ├── input_click.html
│ │ │ │ ├── input_radio.html
│ │ │ │ ├── label.html
│ │ │ │ ├── li.html
│ │ │ │ ├── link.html
│ │ │ │ ├── media.html
│ │ │ │ ├── ol.html
│ │ │ │ ├── optgroup.html
│ │ │ │ ├── option.html
│ │ │ │ ├── picture.html
│ │ │ │ ├── quote.html
│ │ │ │ ├── script/
│ │ │ │ │ ├── async_text.html
│ │ │ │ │ ├── dynamic.html
│ │ │ │ │ ├── dynamic1.js
│ │ │ │ │ ├── dynamic2.js
│ │ │ │ │ ├── dynamic_inline.html
│ │ │ │ │ ├── empty.js
│ │ │ │ │ ├── order.html
│ │ │ │ │ ├── order.js
│ │ │ │ │ ├── order_async.js
│ │ │ │ │ ├── order_defer.js
│ │ │ │ │ └── script.html
│ │ │ │ ├── select.html
│ │ │ │ ├── slot.html
│ │ │ │ ├── style.html
│ │ │ │ ├── tablecell.html
│ │ │ │ ├── template.html
│ │ │ │ ├── textarea.html
│ │ │ │ ├── time.html
│ │ │ │ └── track.html
│ │ │ ├── inner.html
│ │ │ ├── inner.js
│ │ │ ├── matches.html
│ │ │ ├── outer.html
│ │ │ ├── position.html
│ │ │ ├── pseudo_classes.html
│ │ │ ├── query_selector.html
│ │ │ ├── query_selector_all.html
│ │ │ ├── query_selector_scope.html
│ │ │ ├── remove.html
│ │ │ ├── replace_with.html
│ │ │ ├── selector_invalid.html
│ │ │ ├── styles.html
│ │ │ └── svg/
│ │ │ └── svg.html
│ │ ├── encoding/
│ │ │ ├── text_decoder.html
│ │ │ └── text_encoder.html
│ │ ├── event/
│ │ │ ├── abort_controller.html
│ │ │ ├── composition.html
│ │ │ ├── custom_event.html
│ │ │ ├── error.html
│ │ │ ├── focus.html
│ │ │ ├── keyboard.html
│ │ │ ├── listener_removal.html
│ │ │ ├── message.html
│ │ │ ├── message_multiple_listeners.html
│ │ │ ├── mouse.html
│ │ │ ├── pointer.html
│ │ │ ├── promise_rejection.html
│ │ │ ├── report_error.html
│ │ │ ├── text.html
│ │ │ ├── ui.html
│ │ │ └── wheel.html
│ │ ├── events.html
│ │ ├── file.html
│ │ ├── file_reader.html
│ │ ├── frames/
│ │ │ ├── frames.html
│ │ │ ├── post_message.html
│ │ │ ├── support/
│ │ │ │ ├── after_link.html
│ │ │ │ ├── message_receiver.html
│ │ │ │ ├── page.html
│ │ │ │ ├── sub 1.html
│ │ │ │ ├── sub2.html
│ │ │ │ └── with_link.html
│ │ │ └── target.html
│ │ ├── history.html
│ │ ├── history_after_nav.skip.html
│ │ ├── image_data.html
│ │ ├── integration/
│ │ │ └── custom_element_composition.html
│ │ ├── intersection_observer/
│ │ │ ├── basic.html
│ │ │ ├── disconnect.html
│ │ │ ├── multiple_targets.html
│ │ │ └── unobserve.html
│ │ ├── legacy/
│ │ │ ├── browser.html
│ │ │ ├── crypto.html
│ │ │ ├── css.html
│ │ │ ├── cssom/
│ │ │ │ ├── css_style_declaration.html
│ │ │ │ └── css_stylesheet.html
│ │ │ ├── dom/
│ │ │ │ ├── animation.html
│ │ │ │ ├── attribute.html
│ │ │ │ ├── character_data.html
│ │ │ │ ├── comment.html
│ │ │ │ ├── document.html
│ │ │ │ ├── document_fragment.html
│ │ │ │ ├── document_type.html
│ │ │ │ ├── dom_parser.html
│ │ │ │ ├── element.html
│ │ │ │ ├── event_target.html
│ │ │ │ ├── exceptions.html
│ │ │ │ ├── html_collection.html
│ │ │ │ ├── implementation.html
│ │ │ │ ├── intersection_observer.html
│ │ │ │ ├── named_node_map.html
│ │ │ │ ├── node_filter.html
│ │ │ │ ├── node_list.html
│ │ │ │ ├── node_owner.html
│ │ │ │ ├── performance.html
│ │ │ │ ├── performance_observer.html
│ │ │ │ ├── processing_instruction.html
│ │ │ │ ├── range.html
│ │ │ │ ├── text.html
│ │ │ │ └── token_list.html
│ │ │ ├── encoding/
│ │ │ │ ├── decoder.html
│ │ │ │ └── encoder.html
│ │ │ ├── events/
│ │ │ │ ├── composition.html
│ │ │ │ ├── custom.html
│ │ │ │ ├── event.html
│ │ │ │ ├── keyboard.html
│ │ │ │ └── mouse.html
│ │ │ ├── fetch/
│ │ │ │ ├── fetch.html
│ │ │ │ ├── headers.html
│ │ │ │ ├── request.html
│ │ │ │ └── response.html
│ │ │ ├── file/
│ │ │ │ ├── blob.html
│ │ │ │ └── file.html
│ │ │ ├── html/
│ │ │ │ ├── abort_controller.html
│ │ │ │ ├── canvas.html
│ │ │ │ ├── dataset.html
│ │ │ │ ├── document.html
│ │ │ │ ├── element.html
│ │ │ │ ├── error_event.html
│ │ │ │ ├── history/
│ │ │ │ │ ├── history.html
│ │ │ │ │ ├── history2.html
│ │ │ │ │ └── history_after_nav.skip.html
│ │ │ │ ├── image.html
│ │ │ │ ├── input.html
│ │ │ │ ├── link.html
│ │ │ │ ├── location.html
│ │ │ │ ├── navigation/
│ │ │ │ │ ├── navigation.html
│ │ │ │ │ ├── navigation_after_nav.skip.html
│ │ │ │ │ └── navigation_currententrychange.html
│ │ │ │ ├── navigator.html
│ │ │ │ ├── screen.html
│ │ │ │ ├── script/
│ │ │ │ │ ├── dynamic_import.html
│ │ │ │ │ ├── import.html
│ │ │ │ │ ├── import.js
│ │ │ │ │ ├── import2.js
│ │ │ │ │ ├── importmap.html
│ │ │ │ │ ├── inline_defer.html
│ │ │ │ │ ├── inline_defer.js
│ │ │ │ │ ├── order.html
│ │ │ │ │ ├── order.js
│ │ │ │ │ ├── order_async.js
│ │ │ │ │ ├── order_defer.js
│ │ │ │ │ └── script.html
│ │ │ │ ├── select.html
│ │ │ │ ├── slot.html
│ │ │ │ ├── style.html
│ │ │ │ └── svg.html
│ │ │ ├── storage/
│ │ │ │ └── local_storage.html
│ │ │ ├── streams/
│ │ │ │ └── readable_stream.html
│ │ │ ├── testing.js
│ │ │ ├── url/
│ │ │ │ ├── url.html
│ │ │ │ └── url_search_params.html
│ │ │ ├── window/
│ │ │ │ ├── frames.html
│ │ │ │ └── window.html
│ │ │ ├── xhr/
│ │ │ │ ├── form_data.html
│ │ │ │ ├── progress_event.html
│ │ │ │ └── xhr.html
│ │ │ └── xmlserializer.html
│ │ ├── mcp_actions.html
│ │ ├── media/
│ │ │ ├── mediaerror.html
│ │ │ └── vttcue.html
│ │ ├── message_channel.html
│ │ ├── mutation_observer/
│ │ │ ├── attribute_filter.html
│ │ │ ├── character_data.html
│ │ │ ├── childlist.html
│ │ │ ├── multiple_observers.html
│ │ │ ├── mutation_observer.html
│ │ │ ├── mutations_during_callback.html
│ │ │ ├── observe_multiple_targets.html
│ │ │ ├── reobserve_same_target.html
│ │ │ └── subtree.html
│ │ ├── navigator/
│ │ │ └── navigator.html
│ │ ├── net/
│ │ │ ├── fetch.html
│ │ │ ├── form_data.html
│ │ │ ├── headers.html
│ │ │ ├── request.html
│ │ │ ├── response.html
│ │ │ ├── url_search_params.html
│ │ │ └── xhr.html
│ │ ├── node/
│ │ │ ├── adoption.html
│ │ │ ├── append_child.html
│ │ │ ├── base_uri.html
│ │ │ ├── child_nodes.html
│ │ │ ├── clone_node.html
│ │ │ ├── compare_document_position.html
│ │ │ ├── insert_before.html
│ │ │ ├── is_connected.html
│ │ │ ├── is_equal_node.html
│ │ │ ├── node.html
│ │ │ ├── node_iterator.html
│ │ │ ├── normalize.html
│ │ │ ├── noscript_serialization.html
│ │ │ ├── owner.html
│ │ │ ├── remove_child.html
│ │ │ ├── replace_child.html
│ │ │ ├── text_content.html
│ │ │ ├── tree.html
│ │ │ └── tree_walker.html
│ │ ├── page/
│ │ │ ├── blob.html
│ │ │ ├── load_event.html
│ │ │ ├── meta.html
│ │ │ ├── mod1.js
│ │ │ ├── module.html
│ │ │ └── modules/
│ │ │ ├── base.js
│ │ │ ├── circular-a.js
│ │ │ ├── circular-b.js
│ │ │ ├── dynamic-chain-a.js
│ │ │ ├── dynamic-chain-b.js
│ │ │ ├── dynamic-chain-c.js
│ │ │ ├── dynamic-circular-x.js
│ │ │ ├── dynamic-circular-y.js
│ │ │ ├── importer.js
│ │ │ ├── mixed-circular-dynamic.js
│ │ │ ├── mixed-circular-static.js
│ │ │ ├── re-exporter.js
│ │ │ ├── self_async.js
│ │ │ ├── shared.js
│ │ │ ├── syntax-error.js
│ │ │ ├── test-404.js
│ │ │ └── test-syntax-error.js
│ │ ├── performance.html
│ │ ├── performance_observer/
│ │ │ └── performance_observer.html
│ │ ├── polyfill/
│ │ │ └── webcomponents.html
│ │ ├── processing_instruction.html
│ │ ├── range.html
│ │ ├── range_mutations.html
│ │ ├── selection.html
│ │ ├── shadowroot/
│ │ │ ├── basic.html
│ │ │ ├── custom_elements.html
│ │ │ ├── dom_traversal.html
│ │ │ ├── dump.html
│ │ │ ├── edge_cases.html
│ │ │ ├── events.html
│ │ │ ├── id_collision.html
│ │ │ ├── id_management.html
│ │ │ ├── innerHTML_spec.html
│ │ │ └── scoping.html
│ │ ├── storage.html
│ │ ├── streams/
│ │ │ ├── readable_stream.html
│ │ │ ├── text_decoder_stream.html
│ │ │ └── transform_stream.html
│ │ ├── support/
│ │ │ └── history.html
│ │ ├── testing.js
│ │ ├── url.html
│ │ ├── window/
│ │ │ ├── body_onload1.html
│ │ │ ├── body_onload2.html
│ │ │ ├── body_onload3.html
│ │ │ ├── location.html
│ │ │ ├── named_access.html
│ │ │ ├── onerror.html
│ │ │ ├── report_error.html
│ │ │ ├── screen.html
│ │ │ ├── scroll.html
│ │ │ ├── stubs.html
│ │ │ ├── timers.html
│ │ │ ├── visual_viewport.html
│ │ │ ├── window.html
│ │ │ └── window_event.html
│ │ ├── window_scroll.html
│ │ └── xmlserializer.html
│ └── webapi/
│ ├── AbortController.zig
│ ├── AbortSignal.zig
│ ├── AbstractRange.zig
│ ├── Blob.zig
│ ├── CData.zig
│ ├── CSS.zig
│ ├── Console.zig
│ ├── Crypto.zig
│ ├── CustomElementDefinition.zig
│ ├── CustomElementRegistry.zig
│ ├── DOMException.zig
│ ├── DOMImplementation.zig
│ ├── DOMNodeIterator.zig
│ ├── DOMParser.zig
│ ├── DOMRect.zig
│ ├── DOMTreeWalker.zig
│ ├── Document.zig
│ ├── DocumentFragment.zig
│ ├── DocumentType.zig
│ ├── Element.zig
│ ├── Event.zig
│ ├── EventTarget.zig
│ ├── File.zig
│ ├── FileList.zig
│ ├── FileReader.zig
│ ├── HTMLDocument.zig
│ ├── History.zig
│ ├── IdleDeadline.zig
│ ├── ImageData.zig
│ ├── IntersectionObserver.zig
│ ├── KeyValueList.zig
│ ├── Location.zig
│ ├── MessageChannel.zig
│ ├── MessagePort.zig
│ ├── MutationObserver.zig
│ ├── Navigator.zig
│ ├── Node.zig
│ ├── NodeFilter.zig
│ ├── Performance.zig
│ ├── PerformanceObserver.zig
│ ├── Permissions.zig
│ ├── PluginArray.zig
│ ├── Range.zig
│ ├── ResizeObserver.zig
│ ├── Screen.zig
│ ├── Selection.zig
│ ├── ShadowRoot.zig
│ ├── StorageManager.zig
│ ├── SubtleCrypto.zig
│ ├── TreeWalker.zig
│ ├── URL.zig
│ ├── VisualViewport.zig
│ ├── Window.zig
│ ├── XMLDocument.zig
│ ├── XMLSerializer.zig
│ ├── animation/
│ │ └── Animation.zig
│ ├── canvas/
│ │ ├── CanvasRenderingContext2D.zig
│ │ ├── OffscreenCanvas.zig
│ │ ├── OffscreenCanvasRenderingContext2D.zig
│ │ └── WebGLRenderingContext.zig
│ ├── cdata/
│ │ ├── CDATASection.zig
│ │ ├── Comment.zig
│ │ ├── ProcessingInstruction.zig
│ │ └── Text.zig
│ ├── children.zig
│ ├── collections/
│ │ ├── ChildNodes.zig
│ │ ├── DOMTokenList.zig
│ │ ├── HTMLAllCollection.zig
│ │ ├── HTMLCollection.zig
│ │ ├── HTMLFormControlsCollection.zig
│ │ ├── HTMLOptionsCollection.zig
│ │ ├── NodeList.zig
│ │ ├── RadioNodeList.zig
│ │ ├── iterator.zig
│ │ └── node_live.zig
│ ├── collections.zig
│ ├── css/
│ │ ├── CSSRule.zig
│ │ ├── CSSRuleList.zig
│ │ ├── CSSStyleDeclaration.zig
│ │ ├── CSSStyleProperties.zig
│ │ ├── CSSStyleRule.zig
│ │ ├── CSSStyleSheet.zig
│ │ ├── FontFace.zig
│ │ ├── FontFaceSet.zig
│ │ ├── MediaQueryList.zig
│ │ └── StyleSheetList.zig
│ ├── element/
│ │ ├── Attribute.zig
│ │ ├── DOMStringMap.zig
│ │ ├── Html.zig
│ │ ├── Svg.zig
│ │ ├── html/
│ │ │ ├── Anchor.zig
│ │ │ ├── Area.zig
│ │ │ ├── Audio.zig
│ │ │ ├── BR.zig
│ │ │ ├── Base.zig
│ │ │ ├── Body.zig
│ │ │ ├── Button.zig
│ │ │ ├── Canvas.zig
│ │ │ ├── Custom.zig
│ │ │ ├── DList.zig
│ │ │ ├── Data.zig
│ │ │ ├── DataList.zig
│ │ │ ├── Details.zig
│ │ │ ├── Dialog.zig
│ │ │ ├── Directory.zig
│ │ │ ├── Div.zig
│ │ │ ├── Embed.zig
│ │ │ ├── FieldSet.zig
│ │ │ ├── Font.zig
│ │ │ ├── Form.zig
│ │ │ ├── Generic.zig
│ │ │ ├── HR.zig
│ │ │ ├── Head.zig
│ │ │ ├── Heading.zig
│ │ │ ├── Html.zig
│ │ │ ├── IFrame.zig
│ │ │ ├── Image.zig
│ │ │ ├── Input.zig
│ │ │ ├── LI.zig
│ │ │ ├── Label.zig
│ │ │ ├── Legend.zig
│ │ │ ├── Link.zig
│ │ │ ├── Map.zig
│ │ │ ├── Media.zig
│ │ │ ├── Meta.zig
│ │ │ ├── Meter.zig
│ │ │ ├── Mod.zig
│ │ │ ├── OL.zig
│ │ │ ├── Object.zig
│ │ │ ├── OptGroup.zig
│ │ │ ├── Option.zig
│ │ │ ├── Output.zig
│ │ │ ├── Paragraph.zig
│ │ │ ├── Param.zig
│ │ │ ├── Picture.zig
│ │ │ ├── Pre.zig
│ │ │ ├── Progress.zig
│ │ │ ├── Quote.zig
│ │ │ ├── Script.zig
│ │ │ ├── Select.zig
│ │ │ ├── Slot.zig
│ │ │ ├── Source.zig
│ │ │ ├── Span.zig
│ │ │ ├── Style.zig
│ │ │ ├── Table.zig
│ │ │ ├── TableCaption.zig
│ │ │ ├── TableCell.zig
│ │ │ ├── TableCol.zig
│ │ │ ├── TableRow.zig
│ │ │ ├── TableSection.zig
│ │ │ ├── Template.zig
│ │ │ ├── TextArea.zig
│ │ │ ├── Time.zig
│ │ │ ├── Title.zig
│ │ │ ├── Track.zig
│ │ │ ├── UL.zig
│ │ │ ├── Unknown.zig
│ │ │ └── Video.zig
│ │ └── svg/
│ │ ├── Generic.zig
│ │ └── Rect.zig
│ ├── encoding/
│ │ ├── TextDecoder.zig
│ │ ├── TextDecoderStream.zig
│ │ ├── TextEncoder.zig
│ │ └── TextEncoderStream.zig
│ ├── event/
│ │ ├── CompositionEvent.zig
│ │ ├── CustomEvent.zig
│ │ ├── ErrorEvent.zig
│ │ ├── FocusEvent.zig
│ │ ├── InputEvent.zig
│ │ ├── KeyboardEvent.zig
│ │ ├── MessageEvent.zig
│ │ ├── MouseEvent.zig
│ │ ├── NavigationCurrentEntryChangeEvent.zig
│ │ ├── PageTransitionEvent.zig
│ │ ├── PointerEvent.zig
│ │ ├── PopStateEvent.zig
│ │ ├── ProgressEvent.zig
│ │ ├── PromiseRejectionEvent.zig
│ │ ├── TextEvent.zig
│ │ ├── UIEvent.zig
│ │ └── WheelEvent.zig
│ ├── global_event_handlers.zig
│ ├── media/
│ │ ├── MediaError.zig
│ │ ├── TextTrackCue.zig
│ │ └── VTTCue.zig
│ ├── navigation/
│ │ ├── Navigation.zig
│ │ ├── NavigationActivation.zig
│ │ ├── NavigationHistoryEntry.zig
│ │ └── root.zig
│ ├── net/
│ │ ├── Fetch.zig
│ │ ├── FormData.zig
│ │ ├── Headers.zig
│ │ ├── Request.zig
│ │ ├── Response.zig
│ │ ├── URLSearchParams.zig
│ │ ├── XMLHttpRequest.zig
│ │ └── XMLHttpRequestEventTarget.zig
│ ├── selector/
│ │ ├── List.zig
│ │ ├── Parser.zig
│ │ └── Selector.zig
│ ├── storage/
│ │ ├── Cookie.zig
│ │ └── storage.zig
│ └── streams/
│ ├── ReadableStream.zig
│ ├── ReadableStreamDefaultController.zig
│ ├── ReadableStreamDefaultReader.zig
│ ├── TransformStream.zig
│ ├── WritableStream.zig
│ ├── WritableStreamDefaultController.zig
│ └── WritableStreamDefaultWriter.zig
├── cdp/
│ ├── AXNode.zig
│ ├── Node.zig
│ ├── cdp.zig
│ ├── domains/
│ │ ├── accessibility.zig
│ │ ├── browser.zig
│ │ ├── css.zig
│ │ ├── dom.zig
│ │ ├── emulation.zig
│ │ ├── fetch.zig
│ │ ├── input.zig
│ │ ├── inspector.zig
│ │ ├── log.zig
│ │ ├── lp.zig
│ │ ├── network.zig
│ │ ├── page.zig
│ │ ├── performance.zig
│ │ ├── runtime.zig
│ │ ├── security.zig
│ │ ├── storage.zig
│ │ └── target.zig
│ ├── id.zig
│ └── testing.zig
├── crash_handler.zig
├── crypto.zig
├── data/
│ ├── public_suffix_list.zig
│ └── public_suffix_list_gen.go
├── datetime.zig
├── html5ever/
│ ├── Cargo.toml
│ ├── lib.rs
│ ├── sink.rs
│ └── types.rs
├── id.zig
├── lightpanda.zig
├── log.zig
├── main.zig
├── main_legacy_test.zig
├── main_snapshot_creator.zig
├── mcp/
│ ├── Server.zig
│ ├── protocol.zig
│ ├── resources.zig
│ ├── router.zig
│ └── tools.zig
├── mcp.zig
├── network/
│ ├── Robots.zig
│ ├── Runtime.zig
│ ├── WebBotAuth.zig
│ ├── http.zig
│ └── websocket.zig
├── slab.zig
├── string.zig
├── sys/
│ └── libcurl.zig
├── telemetry/
│ ├── lightpanda.zig
│ └── telemetry.zig
├── test_runner.zig
└── testing.zig
================================================
FILE CONTENTS
================================================
================================================
FILE: .github/actions/install/action.yml
================================================
name: "Browsercore install"
description: "Install deps for the project browsercore"
inputs:
arch:
description: 'CPU arch used to select the v8 lib'
required: false
default: 'x86_64'
os:
description: 'OS used to select the v8 lib'
required: false
default: 'linux'
zig-v8:
description: 'zig v8 version to install'
required: false
default: 'v0.3.4'
v8:
description: 'v8 version to install'
required: false
default: '14.0.365.4'
cache-dir:
description: 'cache dir to use'
required: false
default: '~/.cache'
debug:
description: 'enable v8 pre-built debug version, only available for linux x86_64'
required: false
default: 'false'
runs:
using: "composite"
steps:
- name: Install apt deps
if: ${{ inputs.os == 'linux' }}
shell: bash
run: |
sudo apt-get update
sudo apt-get install -y wget xz-utils ca-certificates clang make git
# Zig version used from the `minimum_zig_version` field in build.zig.zon
- uses: mlugg/setup-zig@v2
# Rust Toolchain for html5ever
- uses: dtolnay/rust-toolchain@stable
- name: Cache v8
id: cache-v8
uses: actions/cache@v5
env:
cache-name: cache-v8
with:
path: ${{ inputs.cache-dir }}/v8
key: libc_v8_${{ inputs.v8 }}_${{ inputs.os }}_${{ inputs.arch }}_${{ inputs.zig-v8 }}${{inputs.debug == 'true' && '_debug' || '' }}.a
- if: ${{ steps.cache-v8.outputs.cache-hit != 'true' }}
shell: bash
run: |
mkdir -p ${{ inputs.cache-dir }}/v8
wget -O ${{ inputs.cache-dir }}/v8/libc_v8.a https://github.com/lightpanda-io/zig-v8-fork/releases/download/${{ inputs.zig-v8 }}/libc_v8_${{ inputs.v8 }}_${{ inputs.os }}_${{ inputs.arch }}${{inputs.debug == 'true' && '_debug' || '' }}.a
- name: install v8
shell: bash
run: |
mkdir -p v8
ln -s ${{ inputs.cache-dir }}/v8/libc_v8.a v8/libc_v8${{inputs.debug == 'true' && '_debug' || '' }}.a
================================================
FILE: .github/workflows/cla.yml
================================================
name: "CLA Assistant"
on:
issue_comment:
types: [created]
pull_request_target:
types: [opened,closed,synchronize]
permissions:
actions: write
contents: read
pull-requests: write
statuses: write
jobs:
CLAAssistant:
runs-on: ubuntu-latest
timeout-minutes: 5
steps:
- name: "CLA Assistant"
if: (github.event.comment.body == 'recheck' || github.event.comment.body == 'I have read the CLA Document and I hereby sign the CLA') || github.event_name == 'pull_request_target'
uses: contributor-assistant/github-action@v2.6.1
env:
GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
PERSONAL_ACCESS_TOKEN: ${{ secrets.CLA_GH_PAT }}
with:
path-to-signatures: 'signatures/browser/version1/cla.json'
path-to-document: 'https://github.com/lightpanda-io/browser/blob/main/CLA.md'
# branch should not be protected
branch: 'main'
allowlist: krichprollsch,francisbouvier,katie-lpd,sjorsdonkers,bornlex
remote-organization-name: lightpanda-io
remote-repository-name: cla
================================================
FILE: .github/workflows/e2e-integration-test.yml
================================================
name: e2e-integration-test
env:
LIGHTPANDA_DISABLE_TELEMETRY: true
on:
schedule:
- cron: "4 4 * * *"
# Allows you to run this workflow manually from the Actions tab
workflow_dispatch:
jobs:
zig-build-release:
name: zig build release
runs-on: ubuntu-latest
timeout-minutes: 15
# Don't run the CI with draft PR.
if: github.event.pull_request.draft == false
steps:
- uses: actions/checkout@v6
with:
fetch-depth: 0
- uses: ./.github/actions/install
- name: zig build release
run: zig build -Dprebuilt_v8_path=v8/libc_v8.a -Doptimize=ReleaseFast -Dcpu=x86_64 -Dgit_commit=$(git rev-parse --short ${{ github.sha }})
- name: upload artifact
uses: actions/upload-artifact@v7
with:
name: lightpanda-build-release
path: |
zig-out/bin/lightpanda
retention-days: 1
demo-scripts:
name: demo-integration-scripts
needs: zig-build-release
runs-on: ubuntu-latest
timeout-minutes: 15
steps:
- uses: actions/checkout@v6
with:
repository: 'lightpanda-io/demo'
fetch-depth: 0
- run: npm install
- name: download artifact
uses: actions/download-artifact@v8
with:
name: lightpanda-build-release
- run: chmod a+x ./lightpanda
- name: run end to end integration tests
run: |
./lightpanda serve --log_level error & echo $! > LPD.pid
go run integration/main.go
kill `cat LPD.pid`
================================================
FILE: .github/workflows/e2e-test.yml
================================================
name: e2e-test
env:
AWS_ACCESS_KEY_ID: ${{ vars.LPD_PERF_AWS_ACCESS_KEY_ID }}
AWS_SECRET_ACCESS_KEY: ${{ secrets.LPD_PERF_AWS_SECRET_ACCESS_KEY }}
AWS_BUCKET: ${{ vars.LPD_PERF_AWS_BUCKET }}
AWS_REGION: ${{ vars.LPD_PERF_AWS_REGION }}
LIGHTPANDA_DISABLE_TELEMETRY: true
on:
push:
branches: [main]
paths:
- ".github/**"
- "src/**"
- "build.zig"
- "build.zig.zon"
pull_request:
# By default GH trigger on types opened, synchronize and reopened.
# see https://docs.github.com/en/actions/using-workflows/events-that-trigger-workflows#pull_request
# Since we skip the job when the PR is in draft state, we want to force CI
# running when the PR is marked ready_for_review w/o other change.
# see https://github.com/orgs/community/discussions/25722#discussioncomment-3248917
types: [opened, synchronize, reopened, ready_for_review]
paths:
- ".github/**"
- "src/**"
- "build.zig"
- "build.zig.zon"
# Allows you to run this workflow manually from the Actions tab
workflow_dispatch:
jobs:
zig-build-release:
name: zig build release
runs-on: ubuntu-latest
timeout-minutes: 15
# Don't run the CI with draft PR.
if: github.event.pull_request.draft == false
steps:
- uses: actions/checkout@v6
with:
fetch-depth: 0
- uses: ./.github/actions/install
- name: zig build release
run: zig build -Dprebuilt_v8_path=v8/libc_v8.a -Doptimize=ReleaseFast -Dcpu=x86_64 -Dgit_commit=$(git rev-parse --short ${{ github.sha }})
- name: upload artifact
uses: actions/upload-artifact@v7
with:
name: lightpanda-build-release
path: |
zig-out/bin/lightpanda
retention-days: 1
demo-scripts:
name: demo-scripts
needs: zig-build-release
runs-on: ubuntu-latest
timeout-minutes: 15
steps:
- uses: actions/checkout@v6
with:
repository: 'lightpanda-io/demo'
fetch-depth: 0
- run: npm install
- name: download artifact
uses: actions/download-artifact@v8
with:
name: lightpanda-build-release
- run: chmod a+x ./lightpanda
- name: run end to end tests
run: |
./lightpanda serve & echo $! > LPD.pid
go run runner/main.go
kill `cat LPD.pid`
- name: build proxy
run: |
cd proxy
go build
- name: run end to end tests through proxy
run: |
./proxy/proxy & echo $! > PROXY.id
./lightpanda serve --http_proxy 'http://127.0.0.1:3000' & echo $! > LPD.pid
go run runner/main.go
kill `cat LPD.pid` `cat PROXY.id`
- name: run request interception through proxy
run: |
export PROXY_USERNAME=username PROXY_PASSWORD=password
./proxy/proxy & echo $! > PROXY.id
./lightpanda serve & echo $! > LPD.pid
URL=https://demo-browser.lightpanda.io/campfire-commerce/ node puppeteer/proxy_auth.js
BASE_URL=https://demo-browser.lightpanda.io/ node playwright/proxy_auth.js
kill `cat LPD.pid` `cat PROXY.id`
# e2e tests w/ web-bot-auth configuration on.
wba-demo-scripts:
name: wba-demo-scripts
needs: zig-build-release
runs-on: ubuntu-latest
timeout-minutes: 15
steps:
- uses: actions/checkout@v6
with:
repository: 'lightpanda-io/demo'
fetch-depth: 0
- run: npm install
- name: download artifact
uses: actions/download-artifact@v8
with:
name: lightpanda-build-release
- run: chmod a+x ./lightpanda
- run: echo "${{ secrets.WBA_PRIVATE_KEY_PEM }}" > private_key.pem
- name: run end to end tests
run: |
./lightpanda serve \
--web_bot_auth_key_file private_key.pem \
--web_bot_auth_keyid ${{ vars.WBA_KEY_ID }} \
--web_bot_auth_domain ${{ vars.WBA_DOMAIN }} \
& echo $! > LPD.pid
go run runner/main.go
kill `cat LPD.pid`
- name: build proxy
run: |
cd proxy
go build
- name: run end to end tests through proxy
run: |
./proxy/proxy & echo $! > PROXY.id
./lightpanda serve \
--web_bot_auth_key_file private_key.pem \
--web_bot_auth_keyid ${{ vars.WBA_KEY_ID }} \
--web_bot_auth_domain ${{ vars.WBA_DOMAIN }} \
--http_proxy 'http://127.0.0.1:3000' \
& echo $! > LPD.pid
go run runner/main.go
kill `cat LPD.pid` `cat PROXY.id`
- name: run request interception through proxy
run: |
export PROXY_USERNAME=username PROXY_PASSWORD=password
./proxy/proxy & echo $! > PROXY.id
./lightpanda serve & echo $! > LPD.pid
URL=https://demo-browser.lightpanda.io/campfire-commerce/ node puppeteer/proxy_auth.js
BASE_URL=https://demo-browser.lightpanda.io/ node playwright/proxy_auth.js
kill `cat LPD.pid` `cat PROXY.id`
wba-test:
name: wba-test
needs: zig-build-release
runs-on: ubuntu-latest
timeout-minutes: 5
steps:
- uses: actions/checkout@v6
with:
repository: 'lightpanda-io/demo'
fetch-depth: 0
- name: download artifact
uses: actions/download-artifact@v8
with:
name: lightpanda-build-release
- run: chmod a+x ./lightpanda
# force a wakup of the auth server before requesting it w/ the test itself
- run: curl https://${{ vars.WBA_DOMAIN }}
- name: run wba test
shell: bash
run: |
node webbotauth/validator.js &
VALIDATOR_PID=$!
sleep 5
exec 3<<< "${{ secrets.WBA_PRIVATE_KEY_PEM }}"
./lightpanda fetch --dump http://127.0.0.1:8989/ \
--web_bot_auth_key_file /proc/self/fd/3 \
--web_bot_auth_keyid ${{ vars.WBA_KEY_ID }} \
--web_bot_auth_domain ${{ vars.WBA_DOMAIN }}
wait $VALIDATOR_PID
exec 3>&-
cdp-and-hyperfine-bench:
name: cdp-and-hyperfine-bench
needs: zig-build-release
env:
MAX_VmHWM: 28000 # 28MB (KB)
MAX_CG_PEAK: 8000 # 8MB (KB)
MAX_AVG_DURATION: 17
# How to give cgroups access to the user actions-runner on the host:
# $ sudo apt install cgroup-tools
# $ sudo chmod o+w /sys/fs/cgroup/cgroup.procs
# $ sudo mkdir -p /sys/fs/cgroup/actions-runner
# $ sudo chown -R actions-runner:actions-runner /sys/fs/cgroup/actions-runner
CG_ROOT: /sys/fs/cgroup
CG: actions-runner/lpd_${{ github.run_id }}_${{ github.run_attempt }}
# use a self host runner.
runs-on: lpd-bench-hetzner
timeout-minutes: 15
steps:
- uses: actions/checkout@v6
with:
repository: 'lightpanda-io/demo'
fetch-depth: 0
- run: npm install
- name: download artifact
uses: actions/download-artifact@v8
with:
name: lightpanda-build-release
- run: chmod a+x ./lightpanda
- name: start http
run: |
go run ws/main.go & echo $! > WS.pid
sleep 2
- name: run lightpanda in cgroup
run: |
if [ ! -f /sys/fs/cgroup/cgroup.controllers ]; then
echo "cgroup v2 not available: /sys/fs/cgroup/cgroup.controllers missing"
exit 1
fi
mkdir -p $CG_ROOT/$CG
cgexec -g memory:$CG ./lightpanda serve & echo $! > LPD.pid
sleep 2
- name: run puppeteer
run: |
RUNS=100 npm run bench-puppeteer-cdp > puppeteer.out || exit 1
cat /proc/`cat LPD.pid`/status |grep VmHWM|grep -oP '\d+' > LPD.VmHWM
kill `cat LPD.pid`
PID=$(cat LPD.pid)
while kill -0 $PID 2>/dev/null; do
sleep 1
done
if [ ! -f $CG_ROOT/$CG/memory.peak ]; then
echo "memory.peak not available in $CG"
exit 1
fi
cat $CG_ROOT/$CG/memory.peak > LPD.cg_mem_peak
- name: puppeteer result
run: cat puppeteer.out
- name: cgroup memory regression
run: |
PEAK_BYTES=$(cat LPD.cg_mem_peak)
PEAK_KB=$((PEAK_BYTES / 1024))
echo "memory.peak_bytes=$PEAK_BYTES"
echo "memory.peak_kb=$PEAK_KB"
test "$PEAK_KB" -le "$MAX_CG_PEAK"
- name: virtual memory regression
run: |
export LPD_VmHWM=`cat LPD.VmHWM`
echo "Peak resident set size: $LPD_VmHWM"
test "$LPD_VmHWM" -le "$MAX_VmHWM"
- name: cleanup cgroup
run: rmdir $CG_ROOT/$CG
- name: duration regression
run: |
export PUPPETEER_AVG_DURATION=`cat puppeteer.out|grep 'avg run'|sed 's/avg run duration (ms) //'`
echo "puppeteer avg duration: $PUPPETEER_AVG_DURATION"
test "$PUPPETEER_AVG_DURATION" -le "$MAX_AVG_DURATION"
- name: json output
run: |
export AVG_DURATION=`cat puppeteer.out|grep 'avg run'|sed 's/avg run duration (ms) //'`
export TOTAL_DURATION=`cat puppeteer.out|grep 'total duration'|sed 's/total duration (ms) //'`
export LPD_VmHWM=`cat LPD.VmHWM`
export LPD_CG_PEAK_KB=$(( $(cat LPD.cg_mem_peak) / 1024 ))
echo "{\"duration_total\":${TOTAL_DURATION},\"duration_avg\":${AVG_DURATION},\"mem_peak\":${LPD_VmHWM},\"cg_mem_peak\":${LPD_CG_PEAK_KB}}" > bench.json
cat bench.json
- name: run hyperfine
run: |
hyperfine --export-json=hyperfine.json --warmup 3 --runs 20 --shell=none "./lightpanda --dump http://127.0.0.1:1234/campfire-commerce/"
- name: stop http
run: kill `cat WS.pid`
- name: write commit
run: |
echo "${{github.sha}}" > commit.txt
- name: upload artifact
uses: actions/upload-artifact@v7
with:
name: bench-results
path: |
bench.json
hyperfine.json
commit.txt
retention-days: 10
perf-fmt:
name: perf-fmt
needs: cdp-and-hyperfine-bench
# Don't execute on PR
if: github.event_name != 'pull_request'
runs-on: ubuntu-latest
timeout-minutes: 15
container:
image: ghcr.io/lightpanda-io/perf-fmt:latest
credentials:
username: ${{ github.actor }}
password: ${{ secrets.GITHUB_TOKEN }}
steps:
- name: download artifact
uses: actions/download-artifact@v8
with:
name: bench-results
- name: format and send json result
run: /perf-fmt cdp ${{ github.sha }} bench.json
- name: format and send json result
run: /perf-fmt hyperfine ${{ github.sha }} hyperfine.json
browser-fetch:
name: browser fetch
needs: zig-build-release
runs-on: ubuntu-latest
steps:
- name: download artifact
uses: actions/download-artifact@v8
with:
name: lightpanda-build-release
- run: chmod a+x ./lightpanda
- run: ./lightpanda fetch https://demo-browser.lightpanda.io/campfire-commerce/
================================================
FILE: .github/workflows/nightly.yml
================================================
name: nightly build
env:
AWS_ACCESS_KEY_ID: ${{ vars.NIGHTLY_BUILD_AWS_ACCESS_ID }}
AWS_SECRET_ACCESS_KEY: ${{ secrets.NIGHTLY_BUILD_AWS_SECRET_ACCESS_KEY }}
AWS_BUCKET: ${{ vars.NIGHTLY_BUILD_AWS_BUCKET }}
AWS_REGION: ${{ vars.NIGHTLY_BUILD_AWS_REGION }}
RELEASE: ${{ github.ref_type == 'tag' && github.ref_name || 'nightly' }}
GIT_VERSION_FLAG: ${{ github.ref_type == 'tag' && format('-Dgit_version={0}', github.ref_name) || '' }}
on:
push:
tags:
- '*'
schedule:
- cron: "2 2 * * *"
# Allows you to run this workflow manually from the Actions tab
workflow_dispatch:
permissions:
contents: write
jobs:
build-linux-x86_64:
env:
ARCH: x86_64
OS: linux
runs-on: ubuntu-22.04
timeout-minutes: 20
steps:
- uses: actions/checkout@v6
with:
fetch-depth: 0
- uses: ./.github/actions/install
with:
os: ${{env.OS}}
arch: ${{env.ARCH}}
- name: v8 snapshot
run: zig build -Dprebuilt_v8_path=v8/libc_v8.a -Doptimize=ReleaseFast snapshot_creator -- src/snapshot.bin
- name: zig build
run: zig build -Dsnapshot_path=../../snapshot.bin -Dprebuilt_v8_path=v8/libc_v8.a -Doptimize=ReleaseFast -Dcpu=x86_64 -Dgit_commit=$(git rev-parse --short ${{ github.sha }}) ${{ env.GIT_VERSION_FLAG }}
- name: Rename binary
run: mv zig-out/bin/lightpanda lightpanda-${{ env.ARCH }}-${{ env.OS }}
- name: upload on s3
run: |
export DIR=`git show --no-patch --no-notes --pretty='%cs_%h'`
aws s3 cp --storage-class=GLACIER_IR lightpanda-${{ env.ARCH }}-${{ env.OS }} s3://lpd-nightly-build/${DIR}/lightpanda-${{ env.ARCH }}-${{ env.OS }}
- name: Upload the build
uses: ncipollo/release-action@v1
with:
allowUpdates: true
artifacts: lightpanda-${{ env.ARCH }}-${{ env.OS }}
tag: ${{ env.RELEASE }}
makeLatest: true
build-linux-aarch64:
env:
ARCH: aarch64
OS: linux
runs-on: ubuntu-22.04-arm
timeout-minutes: 20
steps:
- uses: actions/checkout@v6
with:
fetch-depth: 0
- uses: ./.github/actions/install
with:
os: ${{env.OS}}
arch: ${{env.ARCH}}
- name: v8 snapshot
run: zig build -Dprebuilt_v8_path=v8/libc_v8.a -Doptimize=ReleaseFast snapshot_creator -- src/snapshot.bin
- name: zig build
run: zig build -Dsnapshot_path=../../snapshot.bin -Dprebuilt_v8_path=v8/libc_v8.a -Doptimize=ReleaseFast -Dcpu=generic -Dgit_commit=$(git rev-parse --short ${{ github.sha }}) ${{ env.GIT_VERSION_FLAG }}
- name: Rename binary
run: mv zig-out/bin/lightpanda lightpanda-${{ env.ARCH }}-${{ env.OS }}
- name: upload on s3
run: |
export DIR=`git show --no-patch --no-notes --pretty='%cs_%h'`
aws s3 cp --storage-class=GLACIER_IR lightpanda-${{ env.ARCH }}-${{ env.OS }} s3://lpd-nightly-build/${DIR}/lightpanda-${{ env.ARCH }}-${{ env.OS }}
- name: Upload the build
uses: ncipollo/release-action@v1
with:
allowUpdates: true
artifacts: lightpanda-${{ env.ARCH }}-${{ env.OS }}
tag: ${{ env.RELEASE }}
makeLatest: true
build-macos-aarch64:
env:
ARCH: aarch64
OS: macos
# macos-14 runs on arm CPU. see
# https://github.com/actions/runner-images?tab=readme-ov-file
runs-on: macos-14
timeout-minutes: 20
steps:
- uses: actions/checkout@v6
with:
fetch-depth: 0
- uses: ./.github/actions/install
with:
os: ${{env.OS}}
arch: ${{env.ARCH}}
- name: v8 snapshot
run: zig build -Dprebuilt_v8_path=v8/libc_v8.a -Doptimize=ReleaseFast snapshot_creator -- src/snapshot.bin
- name: zig build
run: zig build -Dsnapshot_path=../../snapshot.bin -Dprebuilt_v8_path=v8/libc_v8.a -Doptimize=ReleaseFast -Dgit_commit=$(git rev-parse --short ${{ github.sha }}) ${{ env.GIT_VERSION_FLAG }}
- name: Rename binary
run: mv zig-out/bin/lightpanda lightpanda-${{ env.ARCH }}-${{ env.OS }}
- name: upload on s3
run: |
export DIR=`git show --no-patch --no-notes --pretty='%cs_%h'`
aws s3 cp --storage-class=GLACIER_IR lightpanda-${{ env.ARCH }}-${{ env.OS }} s3://lpd-nightly-build/${DIR}/lightpanda-${{ env.ARCH }}-${{ env.OS }}
- name: Upload the build
uses: ncipollo/release-action@v1
with:
allowUpdates: true
artifacts: lightpanda-${{ env.ARCH }}-${{ env.OS }}
tag: ${{ env.RELEASE }}
makeLatest: true
build-macos-x86_64:
env:
ARCH: x86_64
OS: macos
runs-on: macos-14-large
timeout-minutes: 20
steps:
- uses: actions/checkout@v6
with:
fetch-depth: 0
- uses: ./.github/actions/install
with:
os: ${{env.OS}}
arch: ${{env.ARCH}}
- name: v8 snapshot
run: zig build -Dprebuilt_v8_path=v8/libc_v8.a -Doptimize=ReleaseFast snapshot_creator -- src/snapshot.bin
- name: zig build
run: zig build -Dsnapshot_path=../../snapshot.bin -Dprebuilt_v8_path=v8/libc_v8.a -Doptimize=ReleaseFast -Dgit_commit=$(git rev-parse --short ${{ github.sha }}) ${{ env.GIT_VERSION_FLAG }}
- name: Rename binary
run: mv zig-out/bin/lightpanda lightpanda-${{ env.ARCH }}-${{ env.OS }}
- name: upload on s3
run: |
export DIR=`git show --no-patch --no-notes --pretty='%cs_%h'`
aws s3 cp --storage-class=GLACIER_IR lightpanda-${{ env.ARCH }}-${{ env.OS }} s3://lpd-nightly-build/${DIR}/lightpanda-${{ env.ARCH }}-${{ env.OS }}
- name: Upload the build
uses: ncipollo/release-action@v1
with:
allowUpdates: true
artifacts: lightpanda-${{ env.ARCH }}-${{ env.OS }}
tag: ${{ env.RELEASE }}
makeLatest: true
================================================
FILE: .github/workflows/wpt.yml
================================================
name: wpt
env:
AWS_ACCESS_KEY_ID: ${{ vars.LPD_PERF_AWS_ACCESS_KEY_ID }}
AWS_SECRET_ACCESS_KEY: ${{ secrets.LPD_PERF_AWS_SECRET_ACCESS_KEY }}
AWS_BUCKET: ${{ vars.LPD_PERF_AWS_BUCKET }}
AWS_REGION: ${{ vars.LPD_PERF_AWS_REGION }}
AWS_CF_DISTRIBUTION: ${{ vars.AWS_CF_DISTRIBUTION }}
LIGHTPANDA_DISABLE_TELEMETRY: true
on:
schedule:
- cron: "21 2 * * *"
# Allows you to run this workflow manually from the Actions tab
workflow_dispatch:
jobs:
wpt-build-release:
name: zig build release
env:
ARCH: aarch64
OS: linux
runs-on: ubuntu-24.04-arm
timeout-minutes: 20
steps:
- uses: actions/checkout@v6
with:
fetch-depth: 0
- uses: ./.github/actions/install
with:
os: ${{env.OS}}
arch: ${{env.ARCH}}
- name: v8 snapshot
run: zig build -Dprebuilt_v8_path=v8/libc_v8.a -Doptimize=ReleaseFast snapshot_creator -- src/snapshot.bin
- name: zig build release
run: zig build -Dsnapshot_path=../../snapshot.bin -Dprebuilt_v8_path=v8/libc_v8.a -Doptimize=ReleaseFast -Dcpu=generic -Dgit_commit=$(git rev-parse --short ${{ github.sha }})
- name: upload artifact
uses: actions/upload-artifact@v7
with:
name: lightpanda-build-release
path: |
zig-out/bin/lightpanda
retention-days: 1
wpt-build-runner:
name: build wpt runner
runs-on: ubuntu-24.04-arm
timeout-minutes: 15
steps:
- uses: actions/checkout@v6
with:
repository: 'lightpanda-io/demo'
fetch-depth: 0
- run: |
cd ./wptrunner
CGO_ENABLED=0 go build
- name: upload artifact
uses: actions/upload-artifact@v7
with:
name: wptrunner
path: |
wptrunner/wptrunner
retention-days: 1
run-wpt:
name: web platform tests json output
needs:
- wpt-build-release
- wpt-build-runner
# use a self host runner.
runs-on: lpd-wpt-aws
timeout-minutes: 600
steps:
- uses: actions/checkout@v6
with:
ref: fork
repository: 'lightpanda-io/wpt'
fetch-depth: 0
# The hosts are configured manually on the self host runner.
# - name: create custom hosts
# run: ./wpt make-hosts-file | sudo tee -a /etc/hosts
- name: generate manifest
run: ./wpt manifest
- name: download lightpanda release
uses: actions/download-artifact@v8
with:
name: lightpanda-build-release
- run: chmod a+x ./lightpanda
- name: download wptrunner
uses: actions/download-artifact@v8
with:
name: wptrunner
- run: chmod a+x ./wptrunner
- name: run test with json output
run: |
./wpt serve 2> /dev/null & echo $! > WPT.pid
sleep 20s
./wptrunner -lpd-path ./lightpanda -json -concurrency 5 -pool 5 --mem-limit 400 > wpt.json
kill `cat WPT.pid`
- name: write commit
run: |
echo "${{github.sha}}" > commit.txt
- name: upload artifact
uses: actions/upload-artifact@v7
with:
name: wpt-results
path: |
wpt.json
commit.txt
retention-days: 10
perf-fmt:
name: perf-fmt
needs: run-wpt
runs-on: ubuntu-latest
timeout-minutes: 15
container:
image: ghcr.io/lightpanda-io/perf-fmt:latest
credentials:
username: ${{ github.actor }}
password: ${{ secrets.GITHUB_TOKEN }}
steps:
- name: download artifact
uses: actions/download-artifact@v8
with:
name: wpt-results
- name: format and send json result
run: /perf-fmt wpt ${{ github.sha }} wpt.json
================================================
FILE: .github/workflows/zig-test.yml
================================================
name: zig-test
env:
AWS_ACCESS_KEY_ID: ${{ vars.LPD_PERF_AWS_ACCESS_KEY_ID }}
AWS_SECRET_ACCESS_KEY: ${{ secrets.LPD_PERF_AWS_SECRET_ACCESS_KEY }}
AWS_BUCKET: ${{ vars.LPD_PERF_AWS_BUCKET }}
AWS_REGION: ${{ vars.LPD_PERF_AWS_REGION }}
LIGHTPANDA_DISABLE_TELEMETRY: true
on:
push:
branches: [main]
paths:
- ".github/**"
- "src/**"
- "build.zig"
- "build.zig.zon"
pull_request:
# By default GH trigger on types opened, synchronize and reopened.
# see https://docs.github.com/en/actions/using-workflows/events-that-trigger-workflows#pull_request
# Since we skip the job when the PR is in draft state, we want to force CI
# running when the PR is marked ready_for_review w/o other change.
# see https://github.com/orgs/community/discussions/25722#discussioncomment-3248917
types: [opened, synchronize, reopened, ready_for_review]
paths:
- ".github/**"
- "src/**"
- "build.zig"
- "build.zig.zon"
# Allows you to run this workflow manually from the Actions tab
workflow_dispatch:
jobs:
zig-fmt:
name: zig fmt
runs-on: ubuntu-latest
timeout-minutes: 15
if: github.event.pull_request.draft == false
steps:
- uses: actions/checkout@v6
# Zig version used from the `minimum_zig_version` field in build.zig.zon
- uses: mlugg/setup-zig@v2
- name: Run zig fmt
id: fmt
run: |
zig fmt --check ./*.zig ./**/*.zig 2> zig-fmt.err > zig-fmt.err2 || echo "Failed"
delimiter="$(openssl rand -hex 8)"
echo "zig_fmt_errs<<${delimiter}" >> "${GITHUB_OUTPUT}"
if [ -s zig-fmt.err ]; then
echo "// The following errors occurred:" >> "${GITHUB_OUTPUT}"
cat zig-fmt.err >> "${GITHUB_OUTPUT}"
fi
if [ -s zig-fmt.err2 ]; then
echo "// The following files were not formatted:" >> "${GITHUB_OUTPUT}"
cat zig-fmt.err2 >> "${GITHUB_OUTPUT}"
fi
echo "${delimiter}" >> "${GITHUB_OUTPUT}"
- name: Fail the job
if: steps.fmt.outputs.zig_fmt_errs != ''
run: exit 1
zig-test-debug:
name: zig test using v8 in debug mode
runs-on: ubuntu-latest
timeout-minutes: 15
if: github.event.pull_request.draft == false
steps:
- uses: actions/checkout@v6
with:
fetch-depth: 0
- uses: ./.github/actions/install
with:
debug: true
- name: zig build test
run: zig build -Dprebuilt_v8_path=v8/libc_v8_debug.a -Dtsan=true test
zig-test-release:
name: zig test
runs-on: ubuntu-latest
timeout-minutes: 15
if: github.event.pull_request.draft == false
steps:
- uses: actions/checkout@v6
with:
fetch-depth: 0
- uses: ./.github/actions/install
- name: zig build test
run: METRICS=true zig build -Dprebuilt_v8_path=v8/libc_v8.a test > bench.json
- name: write commit
run: |
echo "${{github.sha}}" > commit.txt
- name: upload artifact
uses: actions/upload-artifact@v7
with:
name: bench-results
path: |
bench.json
commit.txt
retention-days: 10
bench-fmt:
name: perf-fmt
needs: zig-test-release
runs-on: ubuntu-latest
timeout-minutes: 15
if: github.event_name != 'pull_request'
container:
image: ghcr.io/lightpanda-io/perf-fmt:latest
credentials:
username: ${{ github.actor }}
password: ${{ secrets.GITHUB_TOKEN }}
steps:
- name: download artifact
uses: actions/download-artifact@v8
with:
name: bench-results
- name: format and send json result
run: /perf-fmt bench-browser ${{ github.sha }} bench.json
================================================
FILE: .gitignore
================================================
/.zig-cache/
/.lp-cache/
zig-out
lightpanda.id
/src/html5ever/target/
src/snapshot.bin
================================================
FILE: CLA.md
================================================
# Lightpanda (Selecy SAS) Grant and Contributor License Agreement (“Agreement”)
This agreement is based on the Apache Software Foundation Contributor License
Agreement. (v r190612)
Thank you for your interest in software projects stewarded by Lightpanda
(Selecy SAS) (“Lightpanda”). In order to clarify the intellectual property
license granted with Contributions from any person or entity, Lightpanda must
have a Contributor License Agreement (CLA) on file that has been agreed to by
each Contributor, indicating agreement to the license terms below. This license
is for your protection as a Contributor as well as the protection of Lightpanda
and its users; it does not change your rights to use your own Contributions for
any other purpose. This Agreement allows an individual to contribute to
Lightpanda on that individual’s own behalf, or an entity (the “Corporation”) to
submit Contributions to Lightpanda, to authorize Contributions submitted by its
designated employees to Lightpanda, and to grant copyright and patent licenses
thereto.
You accept and agree to the following terms and conditions for Your present and
future Contributions submitted to Lightpanda. Except for the license granted
herein to Lightpanda and recipients of software distributed by Lightpanda, You
reserve all right, title, and interest in and to Your Contributions.
1. Definitions. “You” (or “Your”) shall mean the copyright owner or legal
entity authorized by the copyright owner that is making this Agreement with
Lightpanda. For legal entities, the entity making a Contribution and all
other entities that control, are controlled by, or are under common control
with that entity are considered to be a single Contributor. For the purposes
of this definition, “control” means (i) the power, direct or indirect, to
cause the direction or management of such entity, whether by contract or
otherwise, or (ii) ownership of fifty percent (50%) or more of the
outstanding shares, or (iii) beneficial ownership of such entity.
“Contribution” shall mean any work, as well as any modifications or
additions to an existing work, that is intentionally submitted by You to
Lightpanda for inclusion in, or documentation of, any of the products owned
or managed by Lightpanda (the “Work”). For the purposes of this definition,
“submitted” means any form of electronic, verbal, or written communication
sent to Lightpanda or its representatives, including but not limited to
communication on electronic mailing lists, source code control systems (such
as GitHub), and issue tracking systems that are managed by, or on behalf of,
Lightpanda for the purpose of discussing and improving the Work, but
excluding communication that is conspicuously marked or otherwise designated
in writing by You as “Not a Contribution.”
2. Grant of Copyright License. Subject to the terms and conditions of this
Agreement, You hereby grant to Lightpanda and to recipients of software
distributed by Lightpanda a perpetual, worldwide, non-exclusive, no-charge,
royalty-free, irrevocable copyright license to reproduce, prepare derivative
works of, publicly display, publicly perform, sublicense, and distribute
Your Contributions and such derivative works.
3. Grant of Patent License. Subject to the terms and conditions of this
Agreement, You hereby grant to Lightpanda and to recipients of software
distributed by Lightpanda a perpetual, worldwide, non-exclusive, no-charge,
royalty-free, irrevocable (except as stated in this section) patent license
to make, have made, use, offer to sell, sell, import, and otherwise transfer
the Work, where such license applies only to those patent claims licensable
by You that are necessarily infringed by Your Contribution(s) alone or by
combination of Your Contribution(s) with the Work to which such
Contribution(s) were submitted. If any entity institutes patent litigation
against You or any other entity (including a cross-claim or counterclaim in
a lawsuit) alleging that your Contribution, or the Work to which you have
contributed, constitutes direct or contributory patent infringement, then
any patent licenses granted to that entity under this Agreement for that
Contribution or Work shall terminate as of the date such litigation is
filed.
4. You represent that You are legally entitled to grant the above license. If
You are an individual, and if Your employer(s) has rights to intellectual
property that you create that includes Your Contributions, you represent
that You have received permission to make Contributions on behalf of that
employer, or that Your employer has waived such rights for your
Contributions to Lightpanda. If You are a Corporation, any individual who
makes a contribution from an account associated with You will be considered
authorized to Contribute on Your behalf.
5. You represent that each of Your Contributions is Your original creation (see
section 7 for submissions on behalf of others).
6. You are not expected to provide support for Your Contributions,except to the
extent You desire to provide support. You may provide support for free, for
a fee, or not at all. Unless required by applicable law or agreed to in
writing, You provide Your Contributions on an “AS IS” BASIS, WITHOUT
WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied, including,
without limitation, any warranties or conditions of TITLE, NON-INFRINGEMENT,
MERCHANTABILITY, or FITNESS FOR A PARTICULAR PURPOSE.
7. Should You wish to submit work that is not Your original creation, You may
submit it to Lightpanda separately from any Contribution, identifying the
complete details of its source and of any license or other restriction
(including, but not limited to, related patents, trademarks, and license
agreements) of which you are personally aware, and conspicuously marking the
work as “Submitted on behalf of a third-party: [named here]”.
================================================
FILE: CONTRIBUTING.md
================================================
# Contributing
Lightpanda accepts pull requests through GitHub.
You have to sign our [CLA](CLA.md) during your first pull request process
otherwise we're not able to accept your contributions.
The process signature uses the [CLA assistant
lite](https://github.com/marketplace/actions/cla-assistant-lite). You can see
an example of the process in [#303](https://github.com/lightpanda-io/browser/pull/303).
================================================
FILE: Dockerfile
================================================
FROM debian:stable-slim
ARG MINISIG=0.12
ARG ZIG_MINISIG=RWSGOq2NVecA2UPNdBUZykf1CCb147pkmdtYxgb3Ti+JO/wCYvhbAb/U
ARG V8=14.0.365.4
ARG ZIG_V8=v0.3.4
ARG TARGETPLATFORM
RUN apt-get update -yq && \
apt-get install -yq xz-utils ca-certificates \
pkg-config libglib2.0-dev \
clang make curl git
# Get Rust
RUN curl https://sh.rustup.rs -sSf | sh -s -- --profile minimal -y
ENV PATH="/root/.cargo/bin:${PATH}"
# install minisig
RUN curl --fail -L -O https://github.com/jedisct1/minisign/releases/download/${MINISIG}/minisign-${MINISIG}-linux.tar.gz && \
tar xvzf minisign-${MINISIG}-linux.tar.gz -C /
# clone lightpanda
RUN git clone https://github.com/lightpanda-io/browser.git
WORKDIR /browser
# install zig
RUN ZIG=$(grep '\.minimum_zig_version = "' "build.zig.zon" | cut -d'"' -f2) && \
case $TARGETPLATFORM in \
"linux/arm64") ARCH="aarch64" ;; \
*) ARCH="x86_64" ;; \
esac && \
curl --fail -L -O https://ziglang.org/download/${ZIG}/zig-${ARCH}-linux-${ZIG}.tar.xz && \
curl --fail -L -O https://ziglang.org/download/${ZIG}/zig-${ARCH}-linux-${ZIG}.tar.xz.minisig && \
/minisign-linux/${ARCH}/minisign -Vm zig-${ARCH}-linux-${ZIG}.tar.xz -P ${ZIG_MINISIG} && \
tar xvf zig-${ARCH}-linux-${ZIG}.tar.xz && \
mv zig-${ARCH}-linux-${ZIG} /usr/local/lib && \
ln -s /usr/local/lib/zig-${ARCH}-linux-${ZIG}/zig /usr/local/bin/zig
# download and install v8
RUN case $TARGETPLATFORM in \
"linux/arm64") ARCH="aarch64" ;; \
*) ARCH="x86_64" ;; \
esac && \
curl --fail -L -o libc_v8.a https://github.com/lightpanda-io/zig-v8-fork/releases/download/${ZIG_V8}/libc_v8_${V8}_linux_${ARCH}.a && \
mkdir -p v8/ && \
mv libc_v8.a v8/libc_v8.a
# build v8 snapshot
RUN zig build -Doptimize=ReleaseFast \
-Dprebuilt_v8_path=v8/libc_v8.a \
snapshot_creator -- src/snapshot.bin
# build release
RUN zig build -Doptimize=ReleaseFast \
-Dsnapshot_path=../../snapshot.bin \
-Dprebuilt_v8_path=v8/libc_v8.a \
-Dgit_commit=$(git rev-parse --short HEAD)
FROM debian:stable-slim
RUN apt-get update -yq && \
apt-get install -yq tini
FROM debian:stable-slim
# copy ca certificates
COPY --from=0 /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ca-certificates.crt
COPY --from=0 /browser/zig-out/bin/lightpanda /bin/lightpanda
COPY --from=1 /usr/bin/tini /usr/bin/tini
EXPOSE 9222/tcp
# Lightpanda install only some signal handlers, and PID 1 doesn't have a default SIGTERM signal handler.
# Using "tini" as PID1 ensures that signals work as expected, so e.g. "docker stop" will not hang.
# (See https://github.com/krallin/tini#why-tini).
ENTRYPOINT ["/usr/bin/tini", "--"]
CMD ["/bin/lightpanda", "serve", "--host", "0.0.0.0", "--port", "9222", "--log_level", "info"]
================================================
FILE: LICENSE
================================================
GNU AFFERO GENERAL PUBLIC LICENSE
Version 3, 19 November 2007
Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
Preamble
The GNU Affero General Public License is a free, copyleft license for
software and other kinds of works, specifically designed to ensure
cooperation with the community in the case of network server software.
The licenses for most software and other practical works are designed
to take away your freedom to share and change the works. By contrast,
our General Public Licenses are intended to guarantee your freedom to
share and change all versions of a program--to make sure it remains free
software for all its users.
When we speak of free software, we are referring to freedom, not
price. Our General Public Licenses are designed to make sure that you
have the freedom to distribute copies of free software (and charge for
them if you wish), that you receive source code or can get it if you
want it, that you can change the software or use pieces of it in new
free programs, and that you know you can do these things.
Developers that use our General Public Licenses protect your rights
with two steps: (1) assert copyright on the software, and (2) offer
you this License which gives you legal permission to copy, distribute
and/or modify the software.
A secondary benefit of defending all users' freedom is that
improvements made in alternate versions of the program, if they
receive widespread use, become available for other developers to
incorporate. Many developers of free software are heartened and
encouraged by the resulting cooperation. However, in the case of
software used on network servers, this result may fail to come about.
The GNU General Public License permits making a modified version and
letting the public access it on a server without ever releasing its
source code to the public.
The GNU Affero General Public License is designed specifically to
ensure that, in such cases, the modified source code becomes available
to the community. It requires the operator of a network server to
provide the source code of the modified version running there to the
users of that server. Therefore, public use of a modified version, on
a publicly accessible server, gives the public access to the source
code of the modified version.
An older license, called the Affero General Public License and
published by Affero, was designed to accomplish similar goals. This is
a different license, not a version of the Affero GPL, but Affero has
released a new version of the Affero GPL which permits relicensing under
this license.
The precise terms and conditions for copying, distribution and
modification follow.
TERMS AND CONDITIONS
0. Definitions.
"This License" refers to version 3 of the GNU Affero General Public License.
"Copyright" also means copyright-like laws that apply to other kinds of
works, such as semiconductor masks.
"The Program" refers to any copyrightable work licensed under this
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To "modify" a work means to copy from or adapt all or part of the work
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A "covered work" means either the unmodified Program or a work based
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To "propagate" a work means to do anything with it that, without
permission, would make you directly or secondarily liable for
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To "convey" a work means any kind of propagation that enables other
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An interactive user interface displays "Appropriate Legal Notices"
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feature that (1) displays an appropriate copyright notice, and (2)
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The "source code" for a work means the preferred form of the work
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2. Basic Permissions.
All rights granted under this License are granted for the term of
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3. Protecting Users' Legal Rights From Anti-Circumvention Law.
No covered work shall be deemed part of an effective technological
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When you convey a covered work, you waive any legal power to forbid
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You may convey verbatim copies of the Program's source code as you
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keep intact all notices of the absence of any warranty; and give all
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You may charge any price or no price for each copy that you convey,
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You may convey a covered work in object code form under the terms
of sections 4 and 5, provided that you also convey the
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copy of the Corresponding Source for all the software in the
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only if you received the object code with such an offer, in accord
with subsection 6b.
d) Convey the object code by offering access from a designated
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you inform other peers where the object code and Corresponding
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charge under subsection 6d.
A separable portion of the object code, whose source code is excluded
from the Corresponding Source as a System Library, need not be
included in conveying the object code work.
A "User Product" is either (1) a "consumer product", which means any
tangible personal property which is normally used for personal, family,
or household purposes, or (2) anything designed or sold for incorporation
into a dwelling. In determining whether a product is a consumer product,
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If you convey an object code work under this section in, or with, or
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fixed term (regardless of how the transaction is characterized), the
Corresponding Source conveyed under this section must be accompanied
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The requirement to provide Installation Information does not include a
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Corresponding Source conveyed, and Installation Information provided,
in accord with this section must be in a format that is publicly
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unpacking, reading or copying.
7. Additional Terms.
"Additional permissions" are terms that supplement the terms of this
License by making exceptions from one or more of its conditions.
Additional permissions that are applicable to the entire Program shall
be treated as though they were included in this License, to the extent
that they are valid under applicable law. If additional permissions
apply only to part of the Program, that part may be used separately
under those permissions, but the entire Program remains governed by
this License without regard to the additional permissions.
When you convey a copy of a covered work, you may at your option
remove any additional permissions from that copy, or from any part of
it. (Additional permissions may be written to require their own
removal in certain cases when you modify the work.) You may place
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for which you have or can give appropriate copyright permission.
Notwithstanding any other provision of this License, for material you
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that material) supplement the terms of this License with terms:
a) Disclaiming warranty or limiting liability differently from the
terms of sections 15 and 16 of this License; or
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author attributions in that material or in the Appropriate Legal
Notices displayed by works containing it; or
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any liability that these contractual assumptions directly impose on
those licensors and authors.
All other non-permissive additional terms are considered "further
restrictions" within the meaning of section 10. If the Program as you
received it, or any part of it, contains a notice stating that it is
governed by this License along with a term that is a further
restriction, you may remove that term. If a license document contains
a further restriction but permits relicensing or conveying under this
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of that license document, provided that the further restriction does
not survive such relicensing or conveying.
If you add terms to a covered work in accord with this section, you
must place, in the relevant source files, a statement of the
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where to find the applicable terms.
Additional terms, permissive or non-permissive, may be stated in the
form of a separately written license, or stated as exceptions;
the above requirements apply either way.
8. Termination.
You may not propagate or modify a covered work except as expressly
provided under this License. Any attempt otherwise to propagate or
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this License (including any patent licenses granted under the third
paragraph of section 11).
However, if you cease all violation of this License, then your
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finally terminates your license, and (b) permanently, if the copyright
holder fails to notify you of the violation by some reasonable means
prior to 60 days after the cessation.
Moreover, your license from a particular copyright holder is
reinstated permanently if the copyright holder notifies you of the
violation by some reasonable means, this is the first time you have
received notice of violation of this License (for any work) from that
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your receipt of the notice.
Termination of your rights under this section does not terminate the
licenses of parties who have received copies or rights from you under
this License. If your rights have been terminated and not permanently
reinstated, you do not qualify to receive new licenses for the same
material under section 10.
9. Acceptance Not Required for Having Copies.
You are not required to accept this License in order to receive or
run a copy of the Program. Ancillary propagation of a covered work
occurring solely as a consequence of using peer-to-peer transmission
to receive a copy likewise does not require acceptance. However,
nothing other than this License grants you permission to propagate or
modify any covered work. These actions infringe copyright if you do
not accept this License. Therefore, by modifying or propagating a
covered work, you indicate your acceptance of this License to do so.
10. Automatic Licensing of Downstream Recipients.
Each time you convey a covered work, the recipient automatically
receives a license from the original licensors, to run, modify and
propagate that work, subject to this License. You are not responsible
for enforcing compliance by third parties with this License.
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give under the previous paragraph, plus a right to possession of the
Corresponding Source of the work from the predecessor in interest, if
the predecessor has it or can get it with reasonable efforts.
You may not impose any further restrictions on the exercise of the
rights granted or affirmed under this License. For example, you may
not impose a license fee, royalty, or other charge for exercise of
rights granted under this License, and you may not initiate litigation
(including a cross-claim or counterclaim in a lawsuit) alleging that
any patent claim is infringed by making, using, selling, offering for
sale, or importing the Program or any portion of it.
11. Patents.
A "contributor" is a copyright holder who authorizes use under this
License of the Program or a work on which the Program is based. The
work thus licensed is called the contributor's "contributor version".
A contributor's "essential patent claims" are all patent claims
owned or controlled by the contributor, whether already acquired or
hereafter acquired, that would be infringed by some manner, permitted
by this License, of making, using, or selling its contributor version,
but do not include claims that would be infringed only as a
consequence of further modification of the contributor version. For
purposes of this definition, "control" includes the right to grant
patent sublicenses in a manner consistent with the requirements of
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Each contributor grants you a non-exclusive, worldwide, royalty-free
patent license under the contributor's essential patent claims, to
make, use, sell, offer for sale, import and otherwise run, modify and
propagate the contents of its contributor version.
In the following three paragraphs, a "patent license" is any express
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(such as an express permission to practice a patent or covenant not to
sue for patent infringement). To "grant" such a patent license to a
party means to make such an agreement or commitment not to enforce a
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If you convey a covered work, knowingly relying on a patent license,
and the Corresponding Source of the work is not available for anyone
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then you must either (1) cause the Corresponding Source to be so
available, or (2) arrange to deprive yourself of the benefit of the
patent license for this particular work, or (3) arrange, in a manner
consistent with the requirements of this License, to extend the patent
license to downstream recipients. "Knowingly relying" means you have
actual knowledge that, but for the patent license, your conveying the
covered work in a country, or your recipient's use of the covered work
in a country, would infringe one or more identifiable patents in that
country that you have reason to believe are valid.
If, pursuant to or in connection with a single transaction or
arrangement, you convey, or propagate by procuring conveyance of, a
covered work, and grant a patent license to some of the parties
receiving the covered work authorizing them to use, propagate, modify
or convey a specific copy of the covered work, then the patent license
you grant is automatically extended to all recipients of the covered
work and works based on it.
A patent license is "discriminatory" if it does not include within
the scope of its coverage, prohibits the exercise of, or is
conditioned on the non-exercise of one or more of the rights that are
specifically granted under this License. You may not convey a covered
work if you are a party to an arrangement with a third party that is
in the business of distributing software, under which you make payment
to the third party based on the extent of your activity of conveying
the work, and under which the third party grants, to any of the
parties who would receive the covered work from you, a discriminatory
patent license (a) in connection with copies of the covered work
conveyed by you (or copies made from those copies), or (b) primarily
for and in connection with specific products or compilations that
contain the covered work, unless you entered into that arrangement,
or that patent license was granted, prior to 28 March 2007.
Nothing in this License shall be construed as excluding or limiting
any implied license or other defenses to infringement that may
otherwise be available to you under applicable patent law.
12. No Surrender of Others' Freedom.
If conditions are imposed on you (whether by court order, agreement or
otherwise) that contradict the conditions of this License, they do not
excuse you from the conditions of this License. If you cannot convey a
covered work so as to satisfy simultaneously your obligations under this
License and any other pertinent obligations, then as a consequence you may
not convey it at all. For example, if you agree to terms that obligate you
to collect a royalty for further conveying from those to whom you convey
the Program, the only way you could satisfy both those terms and this
License would be to refrain entirely from conveying the Program.
13. Remote Network Interaction; Use with the GNU General Public License.
Notwithstanding any other provision of this License, if you modify the
Program, your modified version must prominently offer all users
interacting with it remotely through a computer network (if your version
supports such interaction) an opportunity to receive the Corresponding
Source of your version by providing access to the Corresponding Source
from a network server at no charge, through some standard or customary
means of facilitating copying of software. This Corresponding Source
shall include the Corresponding Source for any work covered by version 3
of the GNU General Public License that is incorporated pursuant to the
following paragraph.
Notwithstanding any other provision of this License, you have
permission to link or combine any covered work with a work licensed
under version 3 of the GNU General Public License into a single
combined work, and to convey the resulting work. The terms of this
License will continue to apply to the part which is the covered work,
but the work with which it is combined will remain governed by version
3 of the GNU General Public License.
14. Revised Versions of this License.
The Free Software Foundation may publish revised and/or new versions of
the GNU Affero General Public License from time to time. Such new versions
will be similar in spirit to the present version, but may differ in detail to
address new problems or concerns.
Each version is given a distinguishing version number. If the
Program specifies that a certain numbered version of the GNU Affero General
Public License "or any later version" applies to it, you have the
option of following the terms and conditions either of that numbered
version or of any later version published by the Free Software
Foundation. If the Program does not specify a version number of the
GNU Affero General Public License, you may choose any version ever published
by the Free Software Foundation.
If the Program specifies that a proxy can decide which future
versions of the GNU Affero General Public License can be used, that proxy's
public statement of acceptance of a version permanently authorizes you
to choose that version for the Program.
Later license versions may give you additional or different
permissions. However, no additional obligations are imposed on any
author or copyright holder as a result of your choosing to follow a
later version.
15. Disclaimer of Warranty.
THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
16. Limitation of Liability.
IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
SUCH DAMAGES.
17. Interpretation of Sections 15 and 16.
If the disclaimer of warranty and limitation of liability provided
above cannot be given local legal effect according to their terms,
reviewing courts shall apply local law that most closely approximates
an absolute waiver of all civil liability in connection with the
Program, unless a warranty or assumption of liability accompanies a
copy of the Program in return for a fee.
END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
free software which everyone can redistribute and change under these terms.
To do so, attach the following notices to the program. It is safest
to attach them to the start of each source file to most effectively
state the exclusion of warranty; and each file should have at least
the "copyright" line and a pointer to where the full notice is found.
<one line to give the program's name and a brief idea of what it does.>
Copyright (C) <year> <name of author>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published
by the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
Also add information on how to contact you by electronic and paper mail.
If your software can interact with users remotely through a computer
network, you should also make sure that it provides a way for users to
get its source. For example, if your program is a web application, its
interface could display a "Source" link that leads users to an archive
of the code. There are many ways you could offer source, and different
solutions will be better for different programs; see section 13 for the
specific requirements.
You should also get your employer (if you work as a programmer) or school,
if any, to sign a "copyright disclaimer" for the program, if necessary.
For more information on this, and how to apply and follow the GNU AGPL, see
<https://www.gnu.org/licenses/>.
================================================
FILE: LICENSING.md
================================================
# Licensing
License names used in this document are as per [SPDX License
List](https://spdx.org/licenses/).
The default license for this project is [AGPL-3.0-only](LICENSE).
The following directories and their subdirectories are licensed under their
original upstream licenses:
```
vendor/
tests/wpt/
```
================================================
FILE: Makefile
================================================
# Variables
# ---------
ZIG := zig
BC := $(dir $(abspath $(lastword $(MAKEFILE_LIST))))
# option test filter make test F="server"
F=
# OS and ARCH
kernel = $(shell uname -ms)
ifeq ($(kernel), Darwin arm64)
OS := macos
ARCH := aarch64
else ifeq ($(kernel), Darwin x86_64)
OS := macos
ARCH := x86_64
else ifeq ($(kernel), Linux aarch64)
OS := linux
ARCH := aarch64
else ifeq ($(kernel), Linux arm64)
OS := linux
ARCH := aarch64
else ifeq ($(kernel), Linux x86_64)
OS := linux
ARCH := x86_64
else
$(error "Unhandled kernel: $(kernel)")
endif
# Infos
# -----
.PHONY: help
## Display this help screen
help:
@printf "\033[36m%-35s %s\033[0m\n" "Command" "Usage"
@sed -n -e '/^## /{'\
-e 's/## //g;'\
-e 'h;'\
-e 'n;'\
-e 's/:.*//g;'\
-e 'G;'\
-e 's/\n/ /g;'\
-e 'p;}' Makefile | awk '{printf "\033[33m%-35s\033[0m%s\n", $$1, substr($$0,length($$1)+1)}'
# $(ZIG) commands
# ------------
.PHONY: build build-v8-snapshot build-dev run run-release test bench data end2end
## Build v8 snapshot
build-v8-snapshot:
@printf "\033[36mBuilding v8 snapshot (release safe)...\033[0m\n"
@$(ZIG) build -Doptimize=ReleaseFast snapshot_creator -- src/snapshot.bin || (printf "\033[33mBuild ERROR\033[0m\n"; exit 1;)
@printf "\033[33mBuild OK\033[0m\n"
## Build in release-fast mode
build: build-v8-snapshot
@printf "\033[36mBuilding (release fast)...\033[0m\n"
@$(ZIG) build -Doptimize=ReleaseFast -Dsnapshot_path=../../snapshot.bin -Dgit_commit=$$(git rev-parse --short HEAD) || (printf "\033[33mBuild ERROR\033[0m\n"; exit 1;)
@printf "\033[33mBuild OK\033[0m\n"
## Build in debug mode
build-dev:
@printf "\033[36mBuilding (debug)...\033[0m\n"
@$(ZIG) build -Dgit_commit=$$(git rev-parse --short HEAD) || (printf "\033[33mBuild ERROR\033[0m\n"; exit 1;)
@printf "\033[33mBuild OK\033[0m\n"
## Run the server in release mode
run: build
@printf "\033[36mRunning...\033[0m\n"
@./zig-out/bin/lightpanda || (printf "\033[33mRun ERROR\033[0m\n"; exit 1;)
## Run the server in debug mode
run-debug: build-dev
@printf "\033[36mRunning...\033[0m\n"
@./zig-out/bin/lightpanda || (printf "\033[33mRun ERROR\033[0m\n"; exit 1;)
## Test - `grep` is used to filter out the huge compile command on build
ifeq ($(OS), macos)
test:
@script -q /dev/null sh -c 'TEST_FILTER="${F}" $(ZIG) build test -freference-trace' 2>&1 \
| grep --line-buffered -v "^/.*zig test -freference-trace"
else
test:
@script -qec 'TEST_FILTER="${F}" $(ZIG) build test -freference-trace' /dev/null 2>&1 \
| grep --line-buffered -v "^/.*zig test -freference-trace"
endif
## Run demo/runner end to end tests
end2end:
@test -d ../demo
cd ../demo && go run runner/main.go
# Install and build required dependencies commands
# ------------
.PHONY: install
install: build
data:
cd src/data && go run public_suffix_list_gen.go > public_suffix_list.zig
================================================
FILE: README.md
================================================
<p align="center">
<a href="https://lightpanda.io"><img src="https://cdn.lightpanda.io/assets/images/logo/lpd-logo.png" alt="Logo" height=170></a>
</p>
<h1 align="center">Lightpanda Browser</h1>
<p align="center">
<strong>The headless browser built from scratch for AI agents and automation.</strong><br>
Not a Chromium fork. Not a WebKit patch. A new browser, written in Zig.
</p>
</div>
<div align="center">
[](https://github.com/lightpanda-io/browser/blob/main/LICENSE)
[](https://twitter.com/lightpanda_io)
[](https://github.com/lightpanda-io/browser)
[](https://discord.gg/K63XeymfB5)
</div>
<div align="center">
[<img width="350px" src="https://cdn.lightpanda.io/assets/images/github/execution-time.svg">
](https://github.com/lightpanda-io/demo)
 
[<img width="350px" src="https://cdn.lightpanda.io/assets/images/github/memory-frame.svg">
](https://github.com/lightpanda-io/demo)
</div>
_Puppeteer requesting 100 pages from a local website on a AWS EC2 m5.large instance.
See [benchmark details](https://github.com/lightpanda-io/demo)._
Lightpanda is the open-source browser made for headless usage:
- Javascript execution
- Support of Web APIs (partial, WIP)
- Compatible with Playwright[^1], Puppeteer, chromedp through [CDP](https://chromedevtools.github.io/devtools-protocol/)
Fast web automation for AI agents, LLM training, scraping and testing:
- Ultra-low memory footprint (9x less than Chrome)
- Exceptionally fast execution (11x faster than Chrome)
- Instant startup
[^1]: **Playwright support disclaimer:**
Due to the nature of Playwright, a script that works with the current version of the browser may not function correctly with a future version. Playwright uses an intermediate JavaScript layer that selects an execution strategy based on the browser's available features. If Lightpanda adds a new [Web API](https://developer.mozilla.org/en-US/docs/Web/API), Playwright may choose to execute different code for the same script. This new code path could attempt to use features that are not yet implemented. Lightpanda makes an effort to add compatibility tests, but we can't cover all scenarios. If you encounter an issue, please create a [GitHub issue](https://github.com/lightpanda-io/browser/issues) and include the last known working version of the script.
## Quick start
### Install
**Install from the nightly builds**
You can download the last binary from the [nightly
builds](https://github.com/lightpanda-io/browser/releases/tag/nightly) for
Linux x86_64 and MacOS aarch64.
*For Linux*
```console
curl -L -o lightpanda https://github.com/lightpanda-io/browser/releases/download/nightly/lightpanda-x86_64-linux && \
chmod a+x ./lightpanda
```
*For MacOS*
```console
curl -L -o lightpanda https://github.com/lightpanda-io/browser/releases/download/nightly/lightpanda-aarch64-macos && \
chmod a+x ./lightpanda
```
*For Windows + WSL2*
The Lightpanda browser is compatible to run on windows inside WSL. Follow the Linux instruction for installation from a WSL terminal.
It is recommended to install clients like Puppeteer on the Windows host.
**Install from Docker**
Lightpanda provides [official Docker
images](https://hub.docker.com/r/lightpanda/browser) for both Linux amd64 and
arm64 architectures.
The following command fetches the Docker image and starts a new container exposing Lightpanda's CDP server on port `9222`.
```console
docker run -d --name lightpanda -p 9222:9222 lightpanda/browser:nightly
```
### Dump a URL
```console
./lightpanda fetch --obey_robots --log_format pretty --log_level info https://demo-browser.lightpanda.io/campfire-commerce/
```
```console
INFO telemetry : telemetry status . . . . . . . . . . . . . [+0ms]
disabled = false
INFO page : navigate . . . . . . . . . . . . . . . . . . . . [+6ms]
url = https://demo-browser.lightpanda.io/campfire-commerce/
method = GET
reason = address_bar
body = false
req_id = 1
INFO browser : executing script . . . . . . . . . . . . . . [+118ms]
src = https://demo-browser.lightpanda.io/campfire-commerce/script.js
kind = javascript
cacheable = true
INFO http : request complete . . . . . . . . . . . . . . . . [+140ms]
source = xhr
url = https://demo-browser.lightpanda.io/campfire-commerce/json/product.json
status = 200
len = 4770
INFO http : request complete . . . . . . . . . . . . . . . . [+141ms]
source = fetch
url = https://demo-browser.lightpanda.io/campfire-commerce/json/reviews.json
status = 200
len = 1615
<!DOCTYPE html>
```
### Start a CDP server
```console
./lightpanda serve --obey_robots --log_format pretty --log_level info --host 127.0.0.1 --port 9222
```
```console
INFO telemetry : telemetry status . . . . . . . . . . . . . [+0ms]
disabled = false
INFO app : server running . . . . . . . . . . . . . . . . . [+0ms]
address = 127.0.0.1:9222
```
Once the CDP server started, you can run a Puppeteer script by configuring the
`browserWSEndpoint`.
```js
'use strict'
import puppeteer from 'puppeteer-core';
// use browserWSEndpoint to pass the Lightpanda's CDP server address.
const browser = await puppeteer.connect({
browserWSEndpoint: "ws://127.0.0.1:9222",
});
// The rest of your script remains the same.
const context = await browser.createBrowserContext();
const page = await context.newPage();
// Dump all the links from the page.
await page.goto('https://demo-browser.lightpanda.io/amiibo/', {waitUntil: "networkidle0"});
const links = await page.evaluate(() => {
return Array.from(document.querySelectorAll('a')).map(row => {
return row.getAttribute('href');
});
});
console.log(links);
await page.close();
await context.close();
await browser.disconnect();
```
### Telemetry
By default, Lightpanda collects and sends usage telemetry. This can be disabled by setting an environment variable `LIGHTPANDA_DISABLE_TELEMETRY=true`. You can read Lightpanda's privacy policy at: [https://lightpanda.io/privacy-policy](https://lightpanda.io/privacy-policy).
## Status
Lightpanda is in Beta and currently a work in progress. Stability and coverage are improving and many websites now work.
You may still encounter errors or crashes. Please open an issue with specifics if so.
Here are the key features we have implemented:
- [x] HTTP loader ([Libcurl](https://curl.se/libcurl/))
- [x] HTML parser ([html5ever](https://github.com/servo/html5ever))
- [x] DOM tree
- [x] Javascript support ([v8](https://v8.dev/))
- [x] DOM APIs
- [x] Ajax
- [x] XHR API
- [x] Fetch API
- [x] DOM dump
- [x] CDP/websockets server
- [x] Click
- [x] Input form
- [x] Cookies
- [x] Custom HTTP headers
- [x] Proxy support
- [x] Network interception
- [x] Respect `robots.txt` with option `--obey_robots`
NOTE: There are hundreds of Web APIs. Developing a browser (even just for headless mode) is a huge task. Coverage will increase over time.
## Build from sources
### Prerequisites
Lightpanda is written with [Zig](https://ziglang.org/) `0.15.2`. You have to
install it with the right version in order to build the project.
Lightpanda also depends on
[v8](https://chromium.googlesource.com/v8/v8.git),
[Libcurl](https://curl.se/libcurl/) and [html5ever](https://github.com/servo/html5ever).
To be able to build the v8 engine, you have to install some libs:
For **Debian/Ubuntu based Linux**:
```
sudo apt install xz-utils ca-certificates \
pkg-config libglib2.0-dev \
clang make curl git
```
You also need to [install Rust](https://rust-lang.org/tools/install/).
For systems with [**Nix**](https://nixos.org/download/), you can use the devShell:
```
nix develop
```
For **MacOS**, you need cmake and [Rust](https://rust-lang.org/tools/install/).
```
brew install cmake
```
### Build and run
You an build the entire browser with `make build` or `make build-dev` for debug
env.
But you can directly use the zig command: `zig build run`.
#### Embed v8 snapshot
Lighpanda uses v8 snapshot. By default, it is created on startup but you can
embed it by using the following commands:
Generate the snapshot.
```
zig build snapshot_creator -- src/snapshot.bin
```
Build using the snapshot binary.
```
zig build -Dsnapshot_path=../../snapshot.bin
```
See [#1279](https://github.com/lightpanda-io/browser/pull/1279) for more details.
## Test
### Unit Tests
You can test Lightpanda by running `make test`.
### End to end tests
To run end to end tests, you need to clone the [demo
repository](https://github.com/lightpanda-io/demo) into `../demo` dir.
You have to install the [demo's node
requirements](https://github.com/lightpanda-io/demo?tab=readme-ov-file#dependencies-1)
You also need to install [Go](https://go.dev) > v1.24.
```
make end2end
```
### Web Platform Tests
Lightpanda is tested against the standardized [Web Platform
Tests](https://web-platform-tests.org/).
We use [a fork](https://github.com/lightpanda-io/wpt/tree/fork) including a custom
[`testharnessreport.js`](https://github.com/lightpanda-io/wpt/commit/01a3115c076a3ad0c84849dbbf77a6e3d199c56f).
For reference, you can easily execute a WPT test case with your browser via
[wpt.live](https://wpt.live).
#### Configure WPT HTTP server
To run the test, you must clone the repository, configure the custom hosts and generate the
`MANIFEST.json` file.
Clone the repository with the `fork` branch.
```
git clone -b fork --depth=1 git@github.com:lightpanda-io/wpt.git
```
Enter into the `wpt/` dir.
Install custom domains in your `/etc/hosts`
```
./wpt make-hosts-file | sudo tee -a /etc/hosts
```
Generate `MANIFEST.json`
```
./wpt manifest
```
Use the [WPT's setup
guide](https://web-platform-tests.org/running-tests/from-local-system.html) for
details.
#### Run WPT test suite
An external [Go](https://go.dev) runner is provided by
[github.com/lightpanda-io/demo/](https://github.com/lightpanda-io/demo/)
repository, located into `wptrunner/` dir.
You need to clone the project first.
First start the WPT's HTTP server from your `wpt/` clone dir.
```
./wpt serve
```
Run a Lightpanda browser
```
zig build run -- --insecure_disable_tls_host_verification
```
Then you can start the wptrunner from the Demo's clone dir:
```
cd wptrunner && go run .
```
Or one specific test:
```
cd wptrunner && go run . Node-childNodes.html
```
`wptrunner` command accepts `--summary` and `--json` options modifying output.
Also `--concurrency` define the concurrency limit.
:warning: Running the whole test suite will take a long time. In this case,
it's useful to build in `releaseFast` mode to make tests faster.
```
zig build -Doptimize=ReleaseFast run
```
## Contributing
Lightpanda accepts pull requests through GitHub.
You have to sign our [CLA](CLA.md) during the pull request process otherwise
we're not able to accept your contributions.
## Why?
### Javascript execution is mandatory for the modern web
In the good old days, scraping a webpage was as easy as making an HTTP request, cURL-like. It’s not possible anymore, because Javascript is everywhere, like it or not:
- Ajax, Single Page App, infinite loading, “click to display”, instant search, etc.
- JS web frameworks: React, Vue, Angular & others
### Chrome is not the right tool
If we need Javascript, why not use a real web browser? Take a huge desktop application, hack it, and run it on the server. Hundreds or thousands of instances of Chrome if you use it at scale. Are you sure it’s such a good idea?
- Heavy on RAM and CPU, expensive to run
- Hard to package, deploy and maintain at scale
- Bloated, lots of features are not useful in headless usage
### Lightpanda is built for performance
If we want both Javascript and performance in a true headless browser, we need to start from scratch. Not another iteration of Chromium, really from a blank page. Crazy right? But that’s what we did:
- Not based on Chromium, Blink or WebKit
- Low-level system programming language (Zig) with optimisations in mind
- Opinionated: without graphical rendering
================================================
FILE: build.zig
================================================
// Copyright (C) 2023-2024 Lightpanda (Selecy SAS)
//
// Francis Bouvier <francis@lightpanda.io>
// Pierre Tachoire <pierre@lightpanda.io>
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
const std = @import("std");
const Build = std.Build;
pub fn build(b: *Build) !void {
const target = b.standardTargetOptions(.{});
const optimize = b.standardOptimizeOption(.{});
const manifest = Manifest.init(b);
const git_commit = b.option([]const u8, "git_commit", "Current git commit");
const git_version = b.option([]const u8, "git_version", "Current git version (from tag)");
const prebuilt_v8_path = b.option([]const u8, "prebuilt_v8_path", "Path to prebuilt libc_v8.a");
const snapshot_path = b.option([]const u8, "snapshot_path", "Path to v8 snapshot");
var opts = b.addOptions();
opts.addOption([]const u8, "version", manifest.version);
opts.addOption([]const u8, "git_commit", git_commit orelse "dev");
opts.addOption(?[]const u8, "git_version", git_version orelse null);
opts.addOption(?[]const u8, "snapshot_path", snapshot_path);
const enable_tsan = b.option(bool, "tsan", "Enable Thread Sanitizer") orelse false;
const enable_asan = b.option(bool, "asan", "Enable Address Sanitizer") orelse false;
const enable_csan = b.option(std.zig.SanitizeC, "csan", "Enable C Sanitizers");
const lightpanda_module = blk: {
const mod = b.addModule("lightpanda", .{
.root_source_file = b.path("src/lightpanda.zig"),
.target = target,
.optimize = optimize,
.link_libc = true,
.link_libcpp = true,
.sanitize_c = enable_csan,
.sanitize_thread = enable_tsan,
});
mod.addImport("lightpanda", mod); // allow circular "lightpanda" import
mod.addImport("build_config", opts.createModule());
// Format check
const fmt_step = b.step("fmt", "Check code formatting");
const fmt = b.addFmt(.{
.paths = &.{ "src", "build.zig", "build.zig.zon" },
.check = true,
});
fmt_step.dependOn(&fmt.step);
// Set default behavior
b.default_step.dependOn(fmt_step);
try linkV8(b, mod, enable_asan, enable_tsan, prebuilt_v8_path);
try linkCurl(b, mod, enable_tsan);
try linkHtml5Ever(b, mod);
break :blk mod;
};
{
// browser
const exe = b.addExecutable(.{
.name = "lightpanda",
.use_llvm = true,
.root_module = b.createModule(.{
.root_source_file = b.path("src/main.zig"),
.target = target,
.optimize = optimize,
.sanitize_c = enable_csan,
.sanitize_thread = enable_tsan,
.imports = &.{
.{ .name = "lightpanda", .module = lightpanda_module },
},
}),
});
b.installArtifact(exe);
const run_cmd = b.addRunArtifact(exe);
if (b.args) |args| {
run_cmd.addArgs(args);
}
const run_step = b.step("run", "Run the app");
run_step.dependOn(&run_cmd.step);
}
{
// snapshot creator
const exe = b.addExecutable(.{
.name = "lightpanda-snapshot-creator",
.use_llvm = true,
.root_module = b.createModule(.{
.root_source_file = b.path("src/main_snapshot_creator.zig"),
.target = target,
.optimize = optimize,
.imports = &.{
.{ .name = "lightpanda", .module = lightpanda_module },
},
}),
});
b.installArtifact(exe);
const run_cmd = b.addRunArtifact(exe);
if (b.args) |args| {
run_cmd.addArgs(args);
}
const run_step = b.step("snapshot_creator", "Generate a v8 snapshot");
run_step.dependOn(&run_cmd.step);
}
{
// test
const tests = b.addTest(.{
.root_module = lightpanda_module,
.use_llvm = true,
.test_runner = .{ .path = b.path("src/test_runner.zig"), .mode = .simple },
});
const run_tests = b.addRunArtifact(tests);
const test_step = b.step("test", "Run unit tests");
test_step.dependOn(&run_tests.step);
}
{
// browser
const exe = b.addExecutable(.{
.name = "legacy_test",
.use_llvm = true,
.root_module = b.createModule(.{
.root_source_file = b.path("src/main_legacy_test.zig"),
.target = target,
.optimize = optimize,
.sanitize_c = enable_csan,
.sanitize_thread = enable_tsan,
.imports = &.{
.{ .name = "lightpanda", .module = lightpanda_module },
},
}),
});
b.installArtifact(exe);
const run_cmd = b.addRunArtifact(exe);
if (b.args) |args| {
run_cmd.addArgs(args);
}
const run_step = b.step("legacy_test", "Run the app");
run_step.dependOn(&run_cmd.step);
}
}
fn linkV8(
b: *Build,
mod: *Build.Module,
is_asan: bool,
is_tsan: bool,
prebuilt_v8_path: ?[]const u8,
) !void {
const target = mod.resolved_target.?;
const dep = b.dependency("v8", .{
.target = target,
.optimize = mod.optimize.?,
.is_asan = is_asan,
.is_tsan = is_tsan,
.inspector_subtype = false,
.v8_enable_sandbox = is_tsan,
.cache_root = b.pathFromRoot(".lp-cache"),
.prebuilt_v8_path = prebuilt_v8_path,
});
mod.addImport("v8", dep.module("v8"));
}
fn linkHtml5Ever(b: *Build, mod: *Build.Module) !void {
const is_debug = if (mod.optimize.? == .Debug) true else false;
const exec_cargo = b.addSystemCommand(&.{
"cargo", "build",
"--profile", if (is_debug) "dev" else "release",
"--manifest-path", "src/html5ever/Cargo.toml",
});
// TODO: We can prefer `--artifact-dir` once it become stable.
const out_dir = exec_cargo.addPrefixedOutputDirectoryArg("--target-dir=", "html5ever");
const html5ever_step = b.step("html5ever", "Install html5ever dependency (requires cargo)");
html5ever_step.dependOn(&exec_cargo.step);
const obj = out_dir.path(b, if (is_debug) "debug" else "release").path(b, "liblitefetch_html5ever.a");
mod.addObjectFile(obj);
}
fn linkCurl(b: *Build, mod: *Build.Module, is_tsan: bool) !void {
const target = mod.resolved_target.?;
const curl = buildCurl(b, target, mod.optimize.?, is_tsan);
mod.linkLibrary(curl);
const zlib = buildZlib(b, target, mod.optimize.?, is_tsan);
curl.root_module.linkLibrary(zlib);
const brotli = buildBrotli(b, target, mod.optimize.?, is_tsan);
for (brotli) |lib| curl.root_module.linkLibrary(lib);
const nghttp2 = buildNghttp2(b, target, mod.optimize.?, is_tsan);
curl.root_module.linkLibrary(nghttp2);
const boringssl = buildBoringSsl(b, target, mod.optimize.?);
for (boringssl) |lib| curl.root_module.linkLibrary(lib);
switch (target.result.os.tag) {
.macos => {
// needed for proxying on mac
mod.addSystemFrameworkPath(.{ .cwd_relative = "/System/Library/Frameworks" });
mod.linkFramework("CoreFoundation", .{});
mod.linkFramework("SystemConfiguration", .{});
},
else => {},
}
}
fn buildZlib(b: *Build, target: Build.ResolvedTarget, optimize: std.builtin.OptimizeMode, is_tsan: bool) *Build.Step.Compile {
const dep = b.dependency("zlib", .{});
const mod = b.createModule(.{
.target = target,
.optimize = optimize,
.link_libc = true,
.sanitize_thread = is_tsan,
});
const lib = b.addLibrary(.{ .name = "z", .root_module = mod });
lib.installHeadersDirectory(dep.path(""), "", .{});
lib.addCSourceFiles(.{
.root = dep.path(""),
.flags = &.{
"-DHAVE_SYS_TYPES_H",
"-DHAVE_STDINT_H",
"-DHAVE_STDDEF_H",
"-DHAVE_UNISTD_H",
},
.files = &.{
"adler32.c", "compress.c", "crc32.c",
"deflate.c", "gzclose.c", "gzlib.c",
"gzread.c", "gzwrite.c", "infback.c",
"inffast.c", "inflate.c", "inftrees.c",
"trees.c", "uncompr.c", "zutil.c",
},
});
return lib;
}
fn buildBrotli(b: *Build, target: Build.ResolvedTarget, optimize: std.builtin.OptimizeMode, is_tsan: bool) [3]*Build.Step.Compile {
const dep = b.dependency("brotli", .{});
const mod = b.createModule(.{
.target = target,
.optimize = optimize,
.link_libc = true,
.sanitize_thread = is_tsan,
});
mod.addIncludePath(dep.path("c/include"));
const brotlicmn = b.addLibrary(.{ .name = "brotlicommon", .root_module = mod });
const brotlidec = b.addLibrary(.{ .name = "brotlidec", .root_module = mod });
const brotlienc = b.addLibrary(.{ .name = "brotlienc", .root_module = mod });
brotlicmn.installHeadersDirectory(dep.path("c/include/brotli"), "brotli", .{});
brotlicmn.addCSourceFiles(.{
.root = dep.path("c/common"),
.files = &.{
"transform.c", "shared_dictionary.c", "platform.c",
"dictionary.c", "context.c", "constants.c",
},
});
brotlidec.addCSourceFiles(.{
.root = dep.path("c/dec"),
.files = &.{
"bit_reader.c", "decode.c", "huffman.c",
"prefix.c", "state.c", "static_init.c",
},
});
brotlienc.addCSourceFiles(.{
.root = dep.path("c/enc"),
.files = &.{
"backward_references.c", "backward_references_hq.c", "bit_cost.c",
"block_splitter.c", "brotli_bit_stream.c", "cluster.c",
"command.c", "compound_dictionary.c", "compress_fragment.c",
"compress_fragment_two_pass.c", "dictionary_hash.c", "encode.c",
"encoder_dict.c", "entropy_encode.c", "fast_log.c",
"histogram.c", "literal_cost.c", "memory.c",
"metablock.c", "static_dict.c", "static_dict_lut.c",
"static_init.c", "utf8_util.c",
},
});
return .{ brotlicmn, brotlidec, brotlienc };
}
fn buildBoringSsl(b: *Build, target: Build.ResolvedTarget, optimize: std.builtin.OptimizeMode) [2]*Build.Step.Compile {
const dep = b.dependency("boringssl-zig", .{
.target = target,
.optimize = optimize,
.force_pic = true,
});
const ssl = dep.artifact("ssl");
ssl.bundle_ubsan_rt = false;
const crypto = dep.artifact("crypto");
crypto.bundle_ubsan_rt = false;
return .{ ssl, crypto };
}
fn buildNghttp2(b: *Build, target: Build.ResolvedTarget, optimize: std.builtin.OptimizeMode, is_tsan: bool) *Build.Step.Compile {
const dep = b.dependency("nghttp2", .{});
const mod = b.createModule(.{
.target = target,
.optimize = optimize,
.link_libc = true,
.sanitize_thread = is_tsan,
});
mod.addIncludePath(dep.path("lib/includes"));
const config = b.addConfigHeader(.{
.include_path = "nghttp2ver.h",
.style = .{ .cmake = dep.path("lib/includes/nghttp2/nghttp2ver.h.in") },
}, .{
.PACKAGE_VERSION = "1.68.90",
.PACKAGE_VERSION_NUM = 0x016890,
});
mod.addConfigHeader(config);
const lib = b.addLibrary(.{ .name = "nghttp2", .root_module = mod });
lib.installConfigHeader(config);
lib.installHeadersDirectory(dep.path("lib/includes/nghttp2"), "nghttp2", .{});
lib.addCSourceFiles(.{
.root = dep.path("lib"),
.flags = &.{
"-DNGHTTP2_STATICLIB",
"-DHAVE_TIME_H",
"-DHAVE_ARPA_INET_H",
"-DHAVE_NETINET_IN_H",
},
.files = &.{
"sfparse.c", "nghttp2_alpn.c", "nghttp2_buf.c",
"nghttp2_callbacks.c", "nghttp2_debug.c", "nghttp2_extpri.c",
"nghttp2_frame.c", "nghttp2_hd.c", "nghttp2_hd_huffman.c",
"nghttp2_hd_huffman_data.c", "nghttp2_helper.c", "nghttp2_http.c",
"nghttp2_map.c", "nghttp2_mem.c", "nghttp2_option.c",
"nghttp2_outbound_item.c", "nghttp2_pq.c", "nghttp2_priority_spec.c",
"nghttp2_queue.c", "nghttp2_rcbuf.c", "nghttp2_session.c",
"nghttp2_stream.c", "nghttp2_submit.c", "nghttp2_version.c",
"nghttp2_ratelim.c", "nghttp2_time.c",
},
});
return lib;
}
fn buildCurl(
b: *Build,
target: Build.ResolvedTarget,
optimize: std.builtin.OptimizeMode,
is_tsan: bool,
) *Build.Step.Compile {
const dep = b.dependency("curl", .{});
const mod = b.createModule(.{
.target = target,
.optimize = optimize,
.link_libc = true,
.sanitize_thread = is_tsan,
});
mod.addIncludePath(dep.path("lib"));
mod.addIncludePath(dep.path("include"));
const os = target.result.os.tag;
const abi = target.result.abi;
const is_gnu = abi.isGnu();
const is_ios = os == .ios;
const is_android = abi.isAndroid();
const is_linux = os == .linux;
const is_darwin = os.isDarwin();
const is_windows = os == .windows;
const is_netbsd = os == .netbsd;
const is_openbsd = os == .openbsd;
const is_freebsd = os == .freebsd;
const byte_size = struct {
fn it(b2: *std.Build, target2: Build.ResolvedTarget, name: []const u8, comptime ctype: std.Target.CType) []const u8 {
const size = target2.result.cTypeByteSize(ctype);
return std.fmt.allocPrint(b2.allocator, "#define SIZEOF_{s} {d}", .{ name, size }) catch @panic("OOM");
}
}.it;
const config = .{
.HAVE_LIBZ = true,
.HAVE_BROTLI = true,
.USE_NGHTTP2 = true,
.USE_OPENSSL = true,
.OPENSSL_IS_BORINGSSL = true,
.CURL_CA_PATH = null,
.CURL_CA_BUNDLE = null,
.CURL_CA_FALLBACK = false,
.CURL_CA_SEARCH_SAFE = false,
.CURL_DEFAULT_SSL_BACKEND = "openssl",
.CURL_DISABLE_AWS = true,
.CURL_DISABLE_DICT = true,
.CURL_DISABLE_DOH = true,
.CURL_DISABLE_FILE = true,
.CURL_DISABLE_FTP = true,
.CURL_DISABLE_GOPHER = true,
.CURL_DISABLE_KERBEROS_AUTH = true,
.CURL_DISABLE_IMAP = true,
.CURL_DISABLE_IPFS = true,
.CURL_DISABLE_LDAP = true,
.CURL_DISABLE_LDAPS = true,
.CURL_DISABLE_MQTT = true,
.CURL_DISABLE_NTLM = true,
.CURL_DISABLE_PROGRESS_METER = true,
.CURL_DISABLE_POP3 = true,
.CURL_DISABLE_RTSP = true,
.CURL_DISABLE_SMB = true,
.CURL_DISABLE_SMTP = true,
.CURL_DISABLE_TELNET = true,
.CURL_DISABLE_TFTP = true,
.ssize_t = null,
._FILE_OFFSET_BITS = 64,
.USE_IPV6 = true,
.CURL_OS = switch (os) {
.linux => if (is_android) "\"android\"" else "\"linux\"",
else => std.fmt.allocPrint(b.allocator, "\"{s}\"", .{@tagName(os)}) catch @panic("OOM"),
},
// Adjusts the sizes of variables
.SIZEOF_INT_CODE = byte_size(b, target, "INT", .int),
.SIZEOF_LONG_CODE = byte_size(b, target, "LONG", .long),
.SIZEOF_LONG_LONG_CODE = byte_size(b, target, "LONG_LONG", .longlong),
.SIZEOF_OFF_T_CODE = byte_size(b, target, "OFF_T", .longlong),
.SIZEOF_CURL_OFF_T_CODE = byte_size(b, target, "CURL_OFF_T", .longlong),
.SIZEOF_CURL_SOCKET_T_CODE = byte_size(b, target, "CURL_SOCKET_T", .int),
.SIZEOF_SIZE_T_CODE = byte_size(b, target, "SIZE_T", .longlong),
.SIZEOF_TIME_T_CODE = byte_size(b, target, "TIME_T", .longlong),
// headers availability
.HAVE_ARPA_INET_H = !is_windows,
.HAVE_DIRENT_H = true,
.HAVE_FCNTL_H = true,
.HAVE_IFADDRS_H = !is_windows,
.HAVE_IO_H = is_windows,
.HAVE_LIBGEN_H = true,
.HAVE_LINUX_TCP_H = is_linux and is_gnu,
.HAVE_LOCALE_H = true,
.HAVE_NETDB_H = !is_windows,
.HAVE_NETINET_IN6_H = is_android,
.HAVE_NETINET_IN_H = !is_windows,
.HAVE_NETINET_TCP_H = !is_windows,
.HAVE_NETINET_UDP_H = !is_windows,
.HAVE_NET_IF_H = !is_windows,
.HAVE_POLL_H = !is_windows,
.HAVE_PWD_H = !is_windows,
.HAVE_STDATOMIC_H = true,
.HAVE_STDBOOL_H = true,
.HAVE_STDDEF_H = true,
.HAVE_STDINT_H = true,
.HAVE_STRINGS_H = true,
.HAVE_STROPTS_H = false,
.HAVE_SYS_EVENTFD_H = is_linux or is_freebsd or is_netbsd,
.HAVE_SYS_FILIO_H = !is_linux and !is_windows,
.HAVE_SYS_IOCTL_H = !is_windows,
.HAVE_SYS_PARAM_H = true,
.HAVE_SYS_POLL_H = !is_windows,
.HAVE_SYS_RESOURCE_H = !is_windows,
.HAVE_SYS_SELECT_H = !is_windows,
.HAVE_SYS_SOCKIO_H = !is_linux and !is_windows,
.HAVE_SYS_TYPES_H = true,
.HAVE_SYS_UN_H = !is_windows,
.HAVE_SYS_UTIME_H = is_windows,
.HAVE_TERMIOS_H = !is_windows,
.HAVE_TERMIO_H = is_linux,
.HAVE_UNISTD_H = true,
.HAVE_UTIME_H = true,
.STDC_HEADERS = true,
// general environment
.CURL_KRB5_VERSION = null,
.HAVE_ALARM = !is_windows,
.HAVE_ARC4RANDOM = is_android,
.HAVE_ATOMIC = true,
.HAVE_BOOL_T = true,
.HAVE_BUILTIN_AVAILABLE = true,
.HAVE_CLOCK_GETTIME_MONOTONIC = !is_darwin and !is_windows,
.HAVE_CLOCK_GETTIME_MONOTONIC_RAW = is_linux,
.HAVE_FILE_OFFSET_BITS = true,
.HAVE_GETEUID = !is_windows,
.HAVE_GETPPID = !is_windows,
.HAVE_GETTIMEOFDAY = true,
.HAVE_GLIBC_STRERROR_R = is_gnu,
.HAVE_GMTIME_R = !is_windows,
.HAVE_LOCALTIME_R = !is_windows,
.HAVE_LONGLONG = !is_windows,
.HAVE_MACH_ABSOLUTE_TIME = is_darwin,
.HAVE_MEMRCHR = !is_darwin and !is_windows,
.HAVE_POSIX_STRERROR_R = !is_gnu and !is_windows,
.HAVE_PTHREAD_H = !is_windows,
.HAVE_SETLOCALE = true,
.HAVE_SETRLIMIT = !is_windows,
.HAVE_SIGACTION = !is_windows,
.HAVE_SIGINTERRUPT = !is_windows,
.HAVE_SIGNAL = true,
.HAVE_SIGSETJMP = !is_windows,
.HAVE_SIZEOF_SA_FAMILY_T = false,
.HAVE_SIZEOF_SUSECONDS_T = false,
.HAVE_SNPRINTF = true,
.HAVE_STRCASECMP = !is_windows,
.HAVE_STRCMPI = false,
.HAVE_STRDUP = true,
.HAVE_STRERROR_R = !is_windows,
.HAVE_STRICMP = false,
.HAVE_STRUCT_TIMEVAL = true,
.HAVE_TIME_T_UNSIGNED = false,
.HAVE_UTIME = true,
.HAVE_UTIMES = !is_windows,
.HAVE_WRITABLE_ARGV = !is_windows,
.HAVE__SETMODE = is_windows,
.USE_THREADS_POSIX = !is_windows,
// filesystem, network
.HAVE_ACCEPT4 = is_linux or is_freebsd or is_netbsd or is_openbsd,
.HAVE_BASENAME = true,
.HAVE_CLOSESOCKET = is_windows,
.HAVE_DECL_FSEEKO = !is_windows,
.HAVE_EVENTFD = is_linux or is_freebsd or is_netbsd,
.HAVE_FCNTL = !is_windows,
.HAVE_FCNTL_O_NONBLOCK = !is_windows,
.HAVE_FNMATCH = !is_windows,
.HAVE_FREEADDRINFO = true,
.HAVE_FSEEKO = !is_windows,
.HAVE_FSETXATTR = is_darwin or is_linux or is_netbsd,
.HAVE_FSETXATTR_5 = is_linux or is_netbsd,
.HAVE_FSETXATTR_6 = is_darwin,
.HAVE_FTRUNCATE = true,
.HAVE_GETADDRINFO = true,
.HAVE_GETADDRINFO_THREADSAFE = is_linux or is_freebsd or is_netbsd,
.HAVE_GETHOSTBYNAME_R = is_linux or is_freebsd,
.HAVE_GETHOSTBYNAME_R_3 = false,
.HAVE_GETHOSTBYNAME_R_3_REENTRANT = false,
.HAVE_GETHOSTBYNAME_R_5 = false,
.HAVE_GETHOSTBYNAME_R_5_REENTRANT = false,
.HAVE_GETHOSTBYNAME_R_6 = is_linux,
.HAVE_GETHOSTBYNAME_R_6_REENTRANT = is_linux,
.HAVE_GETHOSTNAME = true,
.HAVE_GETIFADDRS = if (is_windows) false else !is_android or target.result.os.versionRange().linux.android >= 24,
.HAVE_GETPASS_R = is_netbsd,
.HAVE_GETPEERNAME = true,
.HAVE_GETPWUID = !is_windows,
.HAVE_GETPWUID_R = !is_windows,
.HAVE_GETRLIMIT = !is_windows,
.HAVE_GETSOCKNAME = true,
.HAVE_IF_NAMETOINDEX = !is_windows,
.HAVE_INET_NTOP = !is_windows,
.HAVE_INET_PTON = !is_windows,
.HAVE_IOCTLSOCKET = is_windows,
.HAVE_IOCTLSOCKET_CAMEL = false,
.HAVE_IOCTLSOCKET_CAMEL_FIONBIO = false,
.HAVE_IOCTLSOCKET_FIONBIO = is_windows,
.HAVE_IOCTL_FIONBIO = !is_windows,
.HAVE_IOCTL_SIOCGIFADDR = !is_windows,
.HAVE_MSG_NOSIGNAL = !is_windows,
.HAVE_OPENDIR = true,
.HAVE_PIPE = !is_windows,
.HAVE_PIPE2 = is_linux or is_freebsd or is_netbsd or is_openbsd,
.HAVE_POLL = !is_windows,
.HAVE_REALPATH = !is_windows,
.HAVE_RECV = true,
.HAVE_SA_FAMILY_T = !is_windows,
.HAVE_SCHED_YIELD = !is_windows,
.HAVE_SELECT = true,
.HAVE_SEND = true,
.HAVE_SENDMMSG = !is_darwin and !is_windows,
.HAVE_SENDMSG = !is_windows,
.HAVE_SETMODE = !is_linux,
.HAVE_SETSOCKOPT_SO_NONBLOCK = false,
.HAVE_SOCKADDR_IN6_SIN6_ADDR = !is_windows,
.HAVE_SOCKADDR_IN6_SIN6_SCOPE_ID = true,
.HAVE_SOCKET = true,
.HAVE_SOCKETPAIR = !is_windows,
.HAVE_STRUCT_SOCKADDR_STORAGE = true,
.HAVE_SUSECONDS_T = is_android or is_ios,
.USE_UNIX_SOCKETS = !is_windows,
};
const curl_config = b.addConfigHeader(.{
.include_path = "curl_config.h",
.style = .{ .cmake = dep.path("lib/curl_config-cmake.h.in") },
}, .{
.CURL_EXTERN_SYMBOL = "__attribute__ ((__visibility__ (\"default\"))",
});
curl_config.addValues(config);
const lib = b.addLibrary(.{ .name = "curl", .root_module = mod });
lib.addConfigHeader(curl_config);
lib.installHeadersDirectory(dep.path("include/curl"), "curl", .{});
lib.addCSourceFiles(.{
.root = dep.path("lib"),
.flags = &.{
"-D_GNU_SOURCE",
"-DHAVE_CONFIG_H",
"-DCURL_STATICLIB",
"-DBUILDING_LIBCURL",
},
.files = &.{
// You can include all files from lib, libcurl uses #ifdef-guards to exclude code for disabled functions
"altsvc.c", "amigaos.c", "asyn-ares.c",
"asyn-base.c", "asyn-thrdd.c", "bufq.c",
"bufref.c", "cf-h1-proxy.c", "cf-h2-proxy.c",
"cf-haproxy.c", "cf-https-connect.c", "cf-ip-happy.c",
"cf-socket.c", "cfilters.c", "conncache.c",
"connect.c", "content_encoding.c", "cookie.c",
"cshutdn.c", "curl_addrinfo.c", "curl_endian.c",
"curl_fnmatch.c", "curl_fopen.c", "curl_get_line.c",
"curl_gethostname.c", "curl_gssapi.c", "curl_memrchr.c",
"curl_ntlm_core.c", "curl_range.c", "curl_rtmp.c",
"curl_sasl.c", "curl_sha512_256.c", "curl_share.c",
"curl_sspi.c", "curl_threads.c", "curl_trc.c",
"curlx/base64.c", "curlx/dynbuf.c", "curlx/fopen.c",
"curlx/inet_ntop.c", "curlx/inet_pton.c", "curlx/multibyte.c",
"curlx/nonblock.c", "curlx/strcopy.c", "curlx/strerr.c",
"curlx/strparse.c", "curlx/timediff.c", "curlx/timeval.c",
"curlx/version_win32.c", "curlx/wait.c", "curlx/warnless.c",
"curlx/winapi.c", "cw-out.c", "cw-pause.c",
"dict.c", "dllmain.c", "doh.c",
"dynhds.c", "easy.c", "easygetopt.c",
"easyoptions.c", "escape.c", "fake_addrinfo.c",
"file.c", "fileinfo.c", "formdata.c",
"ftp.c", "ftplistparser.c", "getenv.c",
"getinfo.c", "gopher.c", "hash.c",
"headers.c", "hmac.c", "hostip.c",
"hostip4.c", "hostip6.c", "hsts.c",
"http.c", "http1.c", "http2.c",
"http_aws_sigv4.c", "http_chunks.c", "http_digest.c",
"http_negotiate.c", "http_ntlm.c", "http_proxy.c",
"httpsrr.c", "idn.c", "if2ip.c",
"imap.c", "ldap.c", "llist.c",
"macos.c", "md4.c", "md5.c",
"memdebug.c", "mime.c", "mprintf.c",
"mqtt.c", "multi.c", "multi_ev.c",
"multi_ntfy.c", "netrc.c", "noproxy.c",
"openldap.c", "parsedate.c", "pingpong.c",
"pop3.c", "progress.c", "psl.c",
"rand.c", "ratelimit.c", "request.c",
"rtsp.c", "select.c", "sendf.c",
"setopt.c", "sha256.c", "slist.c",
"smb.c", "smtp.c", "socketpair.c",
"socks.c", "socks_gssapi.c", "socks_sspi.c",
"splay.c", "strcase.c", "strdup.c",
"strequal.c", "strerror.c", "system_win32.c",
"telnet.c", "tftp.c", "transfer.c",
"uint-bset.c", "uint-hash.c", "uint-spbset.c",
"uint-table.c", "url.c", "urlapi.c",
"vauth/cleartext.c", "vauth/cram.c", "vauth/digest.c",
"vauth/digest_sspi.c", "vauth/gsasl.c", "vauth/krb5_gssapi.c",
"vauth/krb5_sspi.c", "vauth/ntlm.c", "vauth/ntlm_sspi.c",
"vauth/oauth2.c", "vauth/spnego_gssapi.c", "vauth/spnego_sspi.c",
"vauth/vauth.c", "version.c", "vquic/curl_ngtcp2.c",
"vquic/curl_osslq.c", "vquic/curl_quiche.c", "vquic/vquic-tls.c",
"vquic/vquic.c", "vssh/libssh.c", "vssh/libssh2.c",
"vssh/vssh.c", "vtls/apple.c", "vtls/cipher_suite.c",
"vtls/gtls.c", "vtls/hostcheck.c", "vtls/keylog.c",
"vtls/mbedtls.c", "vtls/openssl.c", "vtls/rustls.c",
"vtls/schannel.c", "vtls/schannel_verify.c", "vtls/vtls.c",
"vtls/vtls_scache.c", "vtls/vtls_spack.c", "vtls/wolfssl.c",
"vtls/x509asn1.c", "ws.c",
},
});
return lib;
}
const Manifest = struct {
version: []const u8,
minimum_zig_version: []const u8,
fn init(b: *std.Build) Manifest {
const input = @embedFile("build.zig.zon");
var diagnostics: std.zon.parse.Diagnostics = .{};
defer diagnostics.deinit(b.allocator);
return std.zon.parse.fromSlice(Manifest, b.allocator, input, &diagnostics, .{
.free_on_error = true,
.ignore_unknown_fields = true,
}) catch |err| {
switch (err) {
error.OutOfMemory => @panic("OOM"),
error.ParseZon => {
std.debug.print("Parse diagnostics:\n{f}\n", .{diagnostics});
std.process.exit(1);
},
}
};
}
};
================================================
FILE: build.zig.zon
================================================
.{
.name = .browser,
.version = "0.0.0",
.fingerprint = 0xda130f3af836cea0, // Changing this has security and trust implications.
.minimum_zig_version = "0.15.2",
.dependencies = .{
.v8 = .{
.url = "https://github.com/lightpanda-io/zig-v8-fork/archive/refs/tags/v0.3.4.tar.gz",
.hash = "v8-0.0.0-xddH6_F3BAAiFvKY6R1H-gkuQlk19BkDQ0--uZuTrSup",
},
// .v8 = .{ .path = "../zig-v8-fork" },
.brotli = .{
// v1.2.0
.url = "https://github.com/google/brotli/archive/028fb5a23661f123017c060daa546b55cf4bde29.tar.gz",
.hash = "N-V-__8AAJudKgCQCuIiH6MJjAiIJHfg_tT_Ew-0vZwVkCo_",
},
.zlib = .{
.url = "https://github.com/madler/zlib/releases/download/v1.3.2/zlib-1.3.2.tar.gz",
.hash = "N-V-__8AAJ2cNgAgfBtAw33Bxfu1IWISDeKKSr3DAqoAysIJ",
},
.nghttp2 = .{
.url = "https://github.com/nghttp2/nghttp2/releases/download/v1.68.0/nghttp2-1.68.0.tar.gz",
.hash = "N-V-__8AAL15vQCI63ZL6Zaz5hJg6JTEgYXGbLnMFSnf7FT3",
},
.@"boringssl-zig" = .{
.url = "git+https://github.com/Syndica/boringssl-zig.git#c53df00d06b02b755ad88bbf4d1202ed9687b096",
.hash = "boringssl-0.1.0-VtJeWehMAAA4RNnwRnzEvKcS9rjsR1QVRw1uJrwXxmVK",
},
.curl = .{
.url = "https://github.com/curl/curl/releases/download/curl-8_18_0/curl-8.18.0.tar.gz",
.hash = "N-V-__8AALp9QAGn6CCHZ6fK_FfMyGtG824LSHYHHasM3w-y",
},
},
.paths = .{""},
}
================================================
FILE: flake.nix
================================================
{
description = "headless browser designed for AI and automation";
inputs = {
nixpkgs.url = "github:nixos/nixpkgs/release-25.05";
zigPkgs.url = "github:mitchellh/zig-overlay";
zigPkgs.inputs.nixpkgs.follows = "nixpkgs";
zlsPkg.url = "github:zigtools/zls/0.15.0";
zlsPkg.inputs.zig-overlay.follows = "zigPkgs";
zlsPkg.inputs.nixpkgs.follows = "nixpkgs";
fenix = {
url = "github:nix-community/fenix";
inputs.nixpkgs.follows = "nixpkgs";
};
flake-utils.url = "github:numtide/flake-utils";
};
outputs =
{
nixpkgs,
zigPkgs,
zlsPkg,
fenix,
flake-utils,
...
}:
flake-utils.lib.eachDefaultSystem (
system:
let
overlays = [
(final: prev: {
zigpkgs = zigPkgs.packages.${prev.system};
zls = zlsPkg.packages.${prev.system}.default;
})
];
pkgs = import nixpkgs {
inherit system overlays;
};
rustToolchain = fenix.packages.${system}.stable.toolchain;
# We need crtbeginS.o for building.
crtFiles = pkgs.runCommand "crt-files" { } ''
mkdir -p $out/lib
cp -r ${pkgs.gcc.cc}/lib/gcc $out/lib/gcc
'';
# This build pipeline is very unhappy without an FHS-compliant env.
fhs = pkgs.buildFHSEnv {
name = "fhs-shell";
multiArch = true;
targetPkgs =
pkgs: with pkgs; [
# Build Tools
zigpkgs."0.15.2"
zls
rustToolchain
python3
pkg-config
cmake
gperf
# GCC
gcc
gcc.cc.lib
crtFiles
# Libaries
expat.dev
glib.dev
glibc.dev
zlib
];
};
in
{
devShells.default = fhs.env;
}
);
}
================================================
FILE: src/App.zig
================================================
// Copyright (C) 2023-2026 Lightpanda (Selecy SAS)
//
// Francis Bouvier <francis@lightpanda.io>
// Pierre Tachoire <pierre@lightpanda.io>
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
const std = @import("std");
const Allocator = std.mem.Allocator;
const log = @import("log.zig");
const Config = @import("Config.zig");
const Snapshot = @import("browser/js/Snapshot.zig");
const Platform = @import("browser/js/Platform.zig");
const Telemetry = @import("telemetry/telemetry.zig").Telemetry;
const Network = @import("network/Runtime.zig");
pub const ArenaPool = @import("ArenaPool.zig");
const App = @This();
network: Network,
config: *const Config,
platform: Platform,
snapshot: Snapshot,
telemetry: Telemetry,
allocator: Allocator,
arena_pool: ArenaPool,
app_dir_path: ?[]const u8,
pub fn init(allocator: Allocator, config: *const Config) !*App {
const app = try allocator.create(App);
errdefer allocator.destroy(app);
app.* = .{
.config = config,
.allocator = allocator,
.network = undefined,
.platform = undefined,
.snapshot = undefined,
.app_dir_path = undefined,
.telemetry = undefined,
.arena_pool = undefined,
};
app.network = try Network.init(allocator, config);
errdefer app.network.deinit();
app.platform = try Platform.init();
errdefer app.platform.deinit();
app.snapshot = try Snapshot.load();
errdefer app.snapshot.deinit();
app.app_dir_path = getAndMakeAppDir(allocator);
app.telemetry = try Telemetry.init(app, config.mode);
errdefer app.telemetry.deinit(allocator);
app.arena_pool = ArenaPool.init(allocator, 512, 1024 * 16);
errdefer app.arena_pool.deinit();
return app;
}
pub fn shutdown(self: *const App) bool {
return self.network.shutdown.load(.acquire);
}
pub fn deinit(self: *App) void {
const allocator = self.allocator;
if (self.app_dir_path) |app_dir_path| {
allocator.free(app_dir_path);
self.app_dir_path = null;
}
self.telemetry.deinit(allocator);
self.network.deinit();
self.snapshot.deinit();
self.platform.deinit();
self.arena_pool.deinit();
allocator.destroy(self);
}
fn getAndMakeAppDir(allocator: Allocator) ?[]const u8 {
if (@import("builtin").is_test) {
return allocator.dupe(u8, "/tmp") catch unreachable;
}
const app_dir_path = std.fs.getAppDataDir(allocator, "lightpanda") catch |err| {
log.warn(.app, "get data dir", .{ .err = err });
return null;
};
std.fs.cwd().makePath(app_dir_path) catch |err| switch (err) {
error.PathAlreadyExists => return app_dir_path,
else => {
allocator.free(app_dir_path);
log.warn(.app, "create data dir", .{ .err = err, .path = app_dir_path });
return null;
},
};
return app_dir_path;
}
================================================
FILE: src/ArenaPool.zig
================================================
// Copyright (C) 2023-2026 Lightpanda (Selecy SAS)
//
// Francis Bouvier <francis@lightpanda.io>
// Pierre Tachoire <pierre@lightpanda.io>
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
const std = @import("std");
const Allocator = std.mem.Allocator;
const ArenaAllocator = std.heap.ArenaAllocator;
const ArenaPool = @This();
allocator: Allocator,
retain_bytes: usize,
free_list_len: u16 = 0,
free_list: ?*Entry = null,
free_list_max: u16,
entry_pool: std.heap.MemoryPool(Entry),
mutex: std.Thread.Mutex = .{},
const Entry = struct {
next: ?*Entry,
arena: ArenaAllocator,
};
pub fn init(allocator: Allocator, free_list_max: u16, retain_bytes: usize) ArenaPool {
return .{
.allocator = allocator,
.free_list_max = free_list_max,
.retain_bytes = retain_bytes,
.entry_pool = .init(allocator),
};
}
pub fn deinit(self: *ArenaPool) void {
var entry = self.free_list;
while (entry) |e| {
entry = e.next;
e.arena.deinit();
}
self.entry_pool.deinit();
}
pub fn acquire(self: *ArenaPool) !Allocator {
self.mutex.lock();
defer self.mutex.unlock();
if (self.free_list) |entry| {
self.free_list = entry.next;
self.free_list_len -= 1;
return entry.arena.allocator();
}
const entry = try self.entry_pool.create();
entry.* = .{
.next = null,
.arena = ArenaAllocator.init(self.allocator),
};
return entry.arena.allocator();
}
pub fn release(self: *ArenaPool, allocator: Allocator) void {
const arena: *std.heap.ArenaAllocator = @ptrCast(@alignCast(allocator.ptr));
const entry: *Entry = @fieldParentPtr("arena", arena);
// Reset the arena before acquiring the lock to minimize lock hold time
_ = arena.reset(.{ .retain_with_limit = self.retain_bytes });
self.mutex.lock();
defer self.mutex.unlock();
const free_list_len = self.free_list_len;
if (free_list_len == self.free_list_max) {
arena.deinit();
self.entry_pool.destroy(entry);
return;
}
entry.next = self.free_list;
self.free_list_len = free_list_len + 1;
self.free_list = entry;
}
pub fn reset(_: *const ArenaPool, allocator: Allocator, retain: usize) void {
const arena: *std.heap.ArenaAllocator = @ptrCast(@alignCast(allocator.ptr));
_ = arena.reset(.{ .retain_with_limit = retain });
}
const testing = std.testing;
test "arena pool - basic acquire and use" {
var pool = ArenaPool.init(testing.allocator, 512, 1024 * 16);
defer pool.deinit();
const alloc = try pool.acquire();
const buf = try alloc.alloc(u8, 64);
@memset(buf, 0xAB);
try testing.expectEqual(@as(u8, 0xAB), buf[0]);
pool.release(alloc);
}
test "arena pool - reuse entry after release" {
var pool = ArenaPool.init(testing.allocator, 512, 1024 * 16);
defer pool.deinit();
const alloc1 = try pool.acquire();
try testing.expectEqual(@as(u16, 0), pool.free_list_len);
pool.release(alloc1);
try testing.expectEqual(@as(u16, 1), pool.free_list_len);
// The same entry should be returned from the free list.
const alloc2 = try pool.acquire();
try testing.expectEqual(@as(u16, 0), pool.free_list_len);
try testing.expectEqual(alloc1.ptr, alloc2.ptr);
pool.release(alloc2);
}
test "arena pool - multiple concurrent arenas" {
var pool = ArenaPool.init(testing.allocator, 512, 1024 * 16);
defer pool.deinit();
const a1 = try pool.acquire();
const a2 = try pool.acquire();
const a3 = try pool.acquire();
// All three must be distinct arenas.
try testing.expect(a1.ptr != a2.ptr);
try testing.expect(a2.ptr != a3.ptr);
try testing.expect(a1.ptr != a3.ptr);
_ = try a1.alloc(u8, 16);
_ = try a2.alloc(u8, 32);
_ = try a3.alloc(u8, 48);
pool.release(a1);
pool.release(a2);
pool.release(a3);
try testing.expectEqual(@as(u16, 3), pool.free_list_len);
}
test "arena pool - free list respects max limit" {
// Cap the free list at 1 so the second release discards its arena.
var pool = ArenaPool.init(testing.allocator, 1, 1024 * 16);
defer pool.deinit();
const a1 = try pool.acquire();
const a2 = try pool.acquire();
pool.release(a1);
try testing.expectEqual(@as(u16, 1), pool.free_list_len);
// The free list is full; a2's arena should be destroyed, not queued.
pool.release(a2);
try testing.expectEqual(@as(u16, 1), pool.free_list_len);
}
test "arena pool - reset clears memory without releasing" {
var pool = ArenaPool.init(testing.allocator, 512, 1024 * 16);
defer pool.deinit();
const alloc = try pool.acquire();
const buf = try alloc.alloc(u8, 128);
@memset(buf, 0xFF);
// reset() frees arena memory but keeps the allocator in-flight.
pool.reset(alloc, 0);
// The free list must stay empty; the allocator was not released.
try testing.expectEqual(@as(u16, 0), pool.free_list_len);
// Allocating again through the same arena must still work.
const buf2 = try alloc.alloc(u8, 64);
@memset(buf2, 0x00);
try testing.expectEqual(@as(u8, 0x00), buf2[0]);
pool.release(alloc);
}
test "arena pool - deinit with entries in free list" {
// Verifies that deinit properly cleans up free-listed arenas (no leaks
// detected by the test allocator).
var pool = ArenaPool.init(testing.allocator, 512, 1024 * 16);
const a1 = try pool.acquire();
const a2 = try pool.acquire();
_ = try a1.alloc(u8, 256);
_ = try a2.alloc(u8, 512);
pool.release(a1);
pool.release(a2);
try testing.expectEqual(@as(u16, 2), pool.free_list_len);
pool.deinit();
}
================================================
FILE: src/Config.zig
================================================
// Copyright (C) 2023-2026 Lightpanda (Selecy SAS)
//
// Francis Bouvier <francis@lightpanda.io>
// Pierre Tachoire <pierre@lightpanda.io>
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
const std = @import("std");
const builtin = @import("builtin");
const Allocator = std.mem.Allocator;
const log = @import("log.zig");
const dump = @import("browser/dump.zig");
const WebBotAuthConfig = @import("network/WebBotAuth.zig").Config;
pub const RunMode = enum {
help,
fetch,
serve,
version,
mcp,
};
pub const MAX_LISTENERS = 16;
pub const CDP_MAX_HTTP_REQUEST_SIZE = 4096;
// max message size
// +14 for max websocket payload overhead
// +140 for the max control packet that might be interleaved in a message
pub const CDP_MAX_MESSAGE_SIZE = 512 * 1024 + 14 + 140;
mode: Mode,
exec_name: []const u8,
http_headers: HttpHeaders,
const Config = @This();
pub fn init(allocator: Allocator, exec_name: []const u8, mode: Mode) !Config {
var config = Config{
.mode = mode,
.exec_name = exec_name,
.http_headers = undefined,
};
config.http_headers = try HttpHeaders.init(allocator, &config);
return config;
}
pub fn deinit(self: *const Config, allocator: Allocator) void {
self.http_headers.deinit(allocator);
}
pub fn tlsVerifyHost(self: *const Config) bool {
return switch (self.mode) {
inline .serve, .fetch, .mcp => |opts| opts.common.tls_verify_host,
else => unreachable,
};
}
pub fn obeyRobots(self: *const Config) bool {
return switch (self.mode) {
inline .serve, .fetch, .mcp => |opts| opts.common.obey_robots,
else => unreachable,
};
}
pub fn httpProxy(self: *const Config) ?[:0]const u8 {
return switch (self.mode) {
inline .serve, .fetch, .mcp => |opts| opts.common.http_proxy,
else => unreachable,
};
}
pub fn proxyBearerToken(self: *const Config) ?[:0]const u8 {
return switch (self.mode) {
inline .serve, .fetch, .mcp => |opts| opts.common.proxy_bearer_token,
.help, .version => null,
};
}
pub fn httpMaxConcurrent(self: *const Config) u8 {
return switch (self.mode) {
inline .serve, .fetch, .mcp => |opts| opts.common.http_max_concurrent orelse 10,
else => unreachable,
};
}
pub fn httpMaxHostOpen(self: *const Config) u8 {
return switch (self.mode) {
inline .serve, .fetch, .mcp => |opts| opts.common.http_max_host_open orelse 4,
else => unreachable,
};
}
pub fn httpConnectTimeout(self: *const Config) u31 {
return switch (self.mode) {
inline .serve, .fetch, .mcp => |opts| opts.common.http_connect_timeout orelse 0,
else => unreachable,
};
}
pub fn httpTimeout(self: *const Config) u31 {
return switch (self.mode) {
inline .serve, .fetch, .mcp => |opts| opts.common.http_timeout orelse 5000,
else => unreachable,
};
}
pub fn httpMaxRedirects(_: *const Config) u8 {
return 10;
}
pub fn httpMaxResponseSize(self: *const Config) ?usize {
return switch (self.mode) {
inline .serve, .fetch, .mcp => |opts| opts.common.http_max_response_size,
else => unreachable,
};
}
pub fn logLevel(self: *const Config) ?log.Level {
return switch (self.mode) {
inline .serve, .fetch, .mcp => |opts| opts.common.log_level,
else => unreachable,
};
}
pub fn logFormat(self: *const Config) ?log.Format {
return switch (self.mode) {
inline .serve, .fetch, .mcp => |opts| opts.common.log_format,
else => unreachable,
};
}
pub fn logFilterScopes(self: *const Config) ?[]const log.Scope {
return switch (self.mode) {
inline .serve, .fetch, .mcp => |opts| opts.common.log_filter_scopes,
else => unreachable,
};
}
pub fn userAgentSuffix(self: *const Config) ?[]const u8 {
return switch (self.mode) {
inline .serve, .fetch, .mcp => |opts| opts.common.user_agent_suffix,
.help, .version => null,
};
}
pub fn cdpTimeout(self: *const Config) usize {
return switch (self.mode) {
.serve => |opts| if (opts.timeout > 604_800) 604_800_000 else @as(usize, opts.timeout) * 1000,
else => unreachable,
};
}
pub fn webBotAuth(self: *const Config) ?WebBotAuthConfig {
return switch (self.mode) {
inline .serve, .fetch, .mcp => |opts| WebBotAuthConfig{
.key_file = opts.common.web_bot_auth_key_file orelse return null,
.keyid = opts.common.web_bot_auth_keyid orelse return null,
.domain = opts.common.web_bot_auth_domain orelse return null,
},
.help, .version => null,
};
}
pub fn maxConnections(self: *const Config) u16 {
return switch (self.mode) {
.serve => |opts| opts.cdp_max_connections,
else => unreachable,
};
}
pub fn maxPendingConnections(self: *const Config) u31 {
return switch (self.mode) {
.serve => |opts| opts.cdp_max_pending_connections,
else => unreachable,
};
}
pub const Mode = union(RunMode) {
help: bool, // false when being printed because of an error
fetch: Fetch,
serve: Serve,
version: void,
mcp: Mcp,
};
pub const Serve = struct {
host: []const u8 = "127.0.0.1",
port: u16 = 9222,
timeout: u31 = 10,
cdp_max_connections: u16 = 16,
cdp_max_pending_connections: u16 = 128,
common: Common = .{},
};
pub const Mcp = struct {
common: Common = .{},
};
pub const DumpFormat = enum {
html,
markdown,
wpt,
semantic_tree,
semantic_tree_text,
};
pub const Fetch = struct {
url: [:0]const u8,
dump_mode: ?DumpFormat = null,
common: Common = .{},
with_base: bool = false,
with_frames: bool = false,
strip: dump.Opts.Strip = .{},
};
pub const Common = struct {
obey_robots: bool = false,
proxy_bearer_token: ?[:0]const u8 = null,
http_proxy: ?[:0]const u8 = null,
http_max_concurrent: ?u8 = null,
http_max_host_open: ?u8 = null,
http_timeout: ?u31 = null,
http_connect_timeout: ?u31 = null,
http_max_response_size: ?usize = null,
tls_verify_host: bool = true,
log_level: ?log.Level = null,
log_format: ?log.Format = null,
log_filter_scopes: ?[]log.Scope = null,
user_agent_suffix: ?[]const u8 = null,
web_bot_auth_key_file: ?[]const u8 = null,
web_bot_auth_keyid: ?[]const u8 = null,
web_bot_auth_domain: ?[]const u8 = null,
};
/// Pre-formatted HTTP headers for reuse across Http and Client.
/// Must be initialized with an allocator that outlives all HTTP connections.
pub const HttpHeaders = struct {
const user_agent_base: [:0]const u8 = "Lightpanda/1.0";
user_agent: [:0]const u8, // User agent value (e.g. "Lightpanda/1.0")
user_agent_header: [:0]const u8,
proxy_bearer_header: ?[:0]const u8,
pub fn init(allocator: Allocator, config: *const Config) !HttpHeaders {
const user_agent: [:0]const u8 = if (config.userAgentSuffix()) |suffix|
try std.fmt.allocPrintSentinel(allocator, "{s} {s}", .{ user_agent_base, suffix }, 0)
else
user_agent_base;
errdefer if (config.userAgentSuffix() != null) allocator.free(user_agent);
const user_agent_header = try std.fmt.allocPrintSentinel(allocator, "User-Agent: {s}", .{user_agent}, 0);
errdefer allocator.free(user_agent_header);
const proxy_bearer_header: ?[:0]const u8 = if (config.proxyBearerToken()) |token|
try std.fmt.allocPrintSentinel(allocator, "Proxy-Authorization: Bearer {s}", .{token}, 0)
else
null;
return .{
.user_agent = user_agent,
.user_agent_header = user_agent_header,
.proxy_bearer_header = proxy_bearer_header,
};
}
pub fn deinit(self: *const HttpHeaders, allocator: Allocator) void {
if (self.proxy_bearer_header) |hdr| {
allocator.free(hdr);
}
allocator.free(self.user_agent_header);
if (self.user_agent.ptr != user_agent_base.ptr) {
allocator.free(self.user_agent);
}
}
};
pub fn printUsageAndExit(self: *const Config, success: bool) void {
// MAX_HELP_LEN|
const common_options =
\\
\\--insecure_disable_tls_host_verification
\\ Disables host verification on all HTTP requests. This is an
\\ advanced option which should only be set if you understand
\\ and accept the risk of disabling host verification.
\\
\\--obey_robots
\\ Fetches and obeys the robots.txt (if available) of the web pages
\\ we make requests towards.
\\ Defaults to false.
\\
\\--http_proxy The HTTP proxy to use for all HTTP requests.
\\ A username:password can be included for basic authentication.
\\ Defaults to none.
\\
\\--proxy_bearer_token
\\ The <token> to send for bearer authentication with the proxy
\\ Proxy-Authorization: Bearer <token>
\\
\\--http_max_concurrent
\\ The maximum number of concurrent HTTP requests.
\\ Defaults to 10.
\\
\\--http_max_host_open
\\ The maximum number of open connection to a given host:port.
\\ Defaults to 4.
\\
\\--http_connect_timeout
\\ The time, in milliseconds, for establishing an HTTP connection
\\ before timing out. 0 means it never times out.
\\ Defaults to 0.
\\
\\--http_timeout
\\ The maximum time, in milliseconds, the transfer is allowed
\\ to complete. 0 means it never times out.
\\ Defaults to 10000.
\\
\\--http_max_response_size
\\ Limits the acceptable response size for any request
\\ (e.g. XHR, fetch, script loading, ...).
\\ Defaults to no limit.
\\
\\--log_level The log level: debug, info, warn, error or fatal.
\\ Defaults to
++ (if (builtin.mode == .Debug) " info." else "warn.") ++
\\
\\
\\--log_format The log format: pretty or logfmt.
\\ Defaults to
++ (if (builtin.mode == .Debug) " pretty." else " logfmt.") ++
\\
\\
\\--log_filter_scopes
\\ Filter out too verbose logs per scope:
\\ http, unknown_prop, event, ...
\\
\\--user_agent_suffix
\\ Suffix to append to the Lightpanda/X.Y User-Agent
\\
\\--web_bot_auth_key_file
\\ Path to the Ed25519 private key PEM file.
\\
\\--web_bot_auth_keyid
\\ The JWK thumbprint of your public key.
\\
\\--web_bot_auth_domain
\\ Your domain e.g. yourdomain.com
;
// MAX_HELP_LEN|
const usage =
\\usage: {s} command [options] [URL]
\\
\\Command can be either 'fetch', 'serve', 'mcp' or 'help'
\\
\\fetch command
\\Fetches the specified URL
\\Example: {s} fetch --dump html https://lightpanda.io/
\\
\\Options:
\\--dump Dumps document to stdout.
\\ Argument must be 'html', 'markdown', 'semantic_tree', or 'semantic_tree_text'.
\\ Defaults to no dump.
\\
\\--strip_mode Comma separated list of tag groups to remove from dump
\\ the dump. e.g. --strip_mode js,css
\\ - "js" script and link[as=script, rel=preload]
\\ - "ui" includes img, picture, video, css and svg
\\ - "css" includes style and link[rel=stylesheet]
\\ - "full" includes js, ui and css
\\
\\--with_base Add a <base> tag in dump. Defaults to false.
\\
\\--with_frames Includes the contents of iframes. Defaults to false.
\\
++ common_options ++
\\
\\serve command
\\Starts a websocket CDP server
\\Example: {s} serve --host 127.0.0.1 --port 9222
\\
\\Options:
\\--host Host of the CDP server
\\ Defaults to "127.0.0.1"
\\
\\--port Port of the CDP server
\\ Defaults to 9222
\\
\\--timeout Inactivity timeout in seconds before disconnecting clients
\\ Defaults to 10 (seconds). Limited to 604800 (1 week).
\\
\\--cdp_max_connections
\\ Maximum number of simultaneous CDP connections.
\\ Defaults to 16.
\\
\\--cdp_max_pending_connections
\\ Maximum pending connections in the accept queue.
\\ Defaults to 128.
\\
++ common_options ++
\\
\\mcp command
\\Starts an MCP (Model Context Protocol) server over stdio
\\Example: {s} mcp
\\
++ common_options ++
\\
\\version command
\\Displays the version of {s}
\\
\\help command
\\Displays this message
\\
;
std.debug.print(usage, .{ self.exec_name, self.exec_name, self.exec_name, self.exec_name, self.exec_name });
if (success) {
return std.process.cleanExit();
}
std.process.exit(1);
}
pub fn parseArgs(allocator: Allocator) !Config {
var args = try std.process.argsWithAllocator(allocator);
defer args.deinit();
const exec_name = try allocator.dupe(u8, std.fs.path.basename(args.next().?));
const mode_string = args.next() orelse "";
const run_mode = std.meta.stringToEnum(RunMode, mode_string) orelse blk: {
const inferred_mode = inferMode(mode_string) orelse
return init(allocator, exec_name, .{ .help = false });
// "command" wasn't a command but an option. We can't reset args, but
// we can create a new one. Not great, but this fallback is temporary
// as we transition to this command mode approach.
args.deinit();
args = try std.process.argsWithAllocator(allocator);
// skip the exec_name
_ = args.skip();
break :blk inferred_mode;
};
const mode: Mode = switch (run_mode) {
.help => .{ .help = true },
.serve => .{ .serve = parseServeArgs(allocator, &args) catch
return init(allocator, exec_name, .{ .help = false }) },
.fetch => .{ .fetch = parseFetchArgs(allocator, &args) catch
return init(allocator, exec_name, .{ .help = false }) },
.mcp => .{ .mcp = parseMcpArgs(allocator, &args) catch
return init(allocator, exec_name, .{ .help = false }) },
.version => .{ .version = {} },
};
return init(allocator, exec_name, mode);
}
fn inferMode(opt: []const u8) ?RunMode {
if (opt.len == 0) {
return .serve;
}
if (std.mem.startsWith(u8, opt, "--") == false) {
return .fetch;
}
if (std.mem.eql(u8, opt, "--dump")) {
return .fetch;
}
if (std.mem.eql(u8, opt, "--noscript")) {
return .fetch;
}
if (std.mem.eql(u8, opt, "--strip_mode")) {
return .fetch;
}
if (std.mem.eql(u8, opt, "--with_base")) {
return .fetch;
}
if (std.mem.eql(u8, opt, "--with_frames")) {
return .fetch;
}
if (std.mem.eql(u8, opt, "--host")) {
return .serve;
}
if (std.mem.eql(u8, opt, "--port")) {
return .serve;
}
if (std.mem.eql(u8, opt, "--timeout")) {
return .serve;
}
return null;
}
fn parseServeArgs(
allocator: Allocator,
args: *std.process.ArgIterator,
) !Serve {
var serve: Serve = .{};
while (args.next()) |opt| {
if (std.mem.eql(u8, "--host", opt)) {
const str = args.next() orelse {
log.fatal(.app, "missing argument value", .{ .arg = "--host" });
return error.InvalidArgument;
};
serve.host = try allocator.dupe(u8, str);
continue;
}
if (std.mem.eql(u8, "--port", opt)) {
const str = args.next() orelse {
log.fatal(.app, "missing argument value", .{ .arg = "--port" });
return error.InvalidArgument;
};
serve.port = std.fmt.parseInt(u16, str, 10) catch |err| {
log.fatal(.app, "invalid argument value", .{ .arg = "--port", .err = err });
return error.InvalidArgument;
};
continue;
}
if (std.mem.eql(u8, "--timeout", opt)) {
const str = args.next() orelse {
log.fatal(.app, "missing argument value", .{ .arg = "--timeout" });
return error.InvalidArgument;
};
serve.timeout = std.fmt.parseInt(u31, str, 10) catch |err| {
log.fatal(.app, "invalid argument value", .{ .arg = "--timeout", .err = err });
return error.InvalidArgument;
};
continue;
}
if (std.mem.eql(u8, "--cdp_max_connections", opt)) {
const str = args.next() orelse {
log.fatal(.app, "missing argument value", .{ .arg = "--cdp_max_connections" });
return error.InvalidArgument;
};
serve.cdp_max_connections = std.fmt.parseInt(u16, str, 10) catch |err| {
log.fatal(.app, "invalid argument value", .{ .arg = "--cdp_max_connections", .err = err });
return error.InvalidArgument;
};
continue;
}
if (std.mem.eql(u8, "--cdp_max_pending_connections", opt)) {
const str = args.next() orelse {
log.fatal(.app, "missing argument value", .{ .arg = "--cdp_max_pending_connections" });
return error.InvalidArgument;
};
serve.cdp_max_pending_connections = std.fmt.parseInt(u16, str, 10) catch |err| {
log.fatal(.app, "invalid argument value", .{ .arg = "--cdp_max_pending_connections", .err = err });
return error.InvalidArgument;
};
continue;
}
if (try parseCommonArg(allocator, opt, args, &serve.common)) {
continue;
}
log.fatal(.app, "unknown argument", .{ .mode = "serve", .arg = opt });
return error.UnkownOption;
}
return serve;
}
fn parseMcpArgs(
allocator: Allocator,
args: *std.process.ArgIterator,
) !Mcp {
var mcp: Mcp = .{};
while (args.next()) |opt| {
if (try parseCommonArg(allocator, opt, args, &mcp.common)) {
continue;
}
log.fatal(.mcp, "unknown argument", .{ .mode = "mcp", .arg = opt });
return error.UnkownOption;
}
return mcp;
}
fn parseFetchArgs(
allocator: Allocator,
args: *std.process.ArgIterator,
) !Fetch {
var dump_mode: ?DumpFormat = null;
var with_base: bool = false;
var with_frames: bool = false;
var url: ?[:0]const u8 = null;
var common: Common = .{};
var strip: dump.Opts.Strip = .{};
while (args.next()) |opt| {
if (std.mem.eql(u8, "--dump", opt)) {
var peek_args = args.*;
if (peek_args.next()) |next_arg| {
if (std.meta.stringToEnum(DumpFormat, next_arg)) |mode| {
dump_mode = mode;
_ = args.next();
} else {
dump_mode = .html;
}
} else {
dump_mode = .html;
}
continue;
}
if (std.mem.eql(u8, "--noscript", opt)) {
log.warn(.app, "deprecation warning", .{
.feature = "--noscript argument",
.hint = "use '--strip_mode js' instead",
});
strip.js = true;
continue;
}
if (std.mem.eql(u8, "--with_base", opt)) {
with_base = true;
continue;
}
if (std.mem.eql(u8, "--with_frames", opt)) {
with_frames = true;
continue;
}
if (std.mem.eql(u8, "--strip_mode", opt)) {
const str = args.next() orelse {
log.fatal(.app, "missing argument value", .{ .arg = "--strip_mode" });
return error.InvalidArgument;
};
var it = std.mem.splitScalar(u8, str, ',');
while (it.next()) |part| {
const trimmed = std.mem.trim(u8, part, &std.ascii.whitespace);
if (std.mem.eql(u8, trimmed, "js")) {
strip.js = true;
} else if (std.mem.eql(u8, trimmed, "ui")) {
strip.ui = true;
} else if (std.mem.eql(u8, trimmed, "css")) {
strip.css = true;
} else if (std.mem.eql(u8, trimmed, "full")) {
strip.js = true;
strip.ui = true;
strip.css = true;
} else {
log.fatal(.app, "invalid option choice", .{ .arg = "--strip_mode", .value = trimmed });
}
}
continue;
}
if (try parseCommonArg(allocator, opt, args, &common)) {
continue;
}
if (std.mem.startsWith(u8, opt, "--")) {
log.fatal(.app, "unknown argument", .{ .mode = "fetch", .arg = opt });
return error.UnkownOption;
}
if (url != null) {
log.fatal(.app, "duplicate fetch url", .{ .help = "only 1 URL can be specified" });
return error.TooManyURLs;
}
url = try allocator.dupeZ(u8, opt);
}
if (url == null) {
log.fatal(.app, "missing fetch url", .{ .help = "URL to fetch must be provided" });
return error.MissingURL;
}
return .{
.url = url.?,
.dump_mode = dump_mode,
.strip = strip,
.common = common,
.with_base = with_base,
.with_frames = with_frames,
};
}
fn parseCommonArg(
allocator: Allocator,
opt: []const u8,
args: *std.process.ArgIterator,
common: *Common,
) !bool {
if (std.mem.eql(u8, "--insecure_disable_tls_host_verification", opt)) {
common.tls_verify_host = false;
return true;
}
if (std.mem.eql(u8, "--obey_robots", opt)) {
common.obey_robots = true;
return true;
}
if (std.mem.eql(u8, "--http_proxy", opt)) {
const str = args.next() orelse {
log.fatal(.app, "missing argument value", .{ .arg = "--http_proxy" });
return error.InvalidArgument;
};
common.http_proxy = try allocator.dupeZ(u8, str);
return true;
}
if (std.mem.eql(u8, "--proxy_bearer_token", opt)) {
const str = args.next() orelse {
log.fatal(.app, "missing argument value", .{ .arg = "--proxy_bearer_token" });
return error.InvalidArgument;
};
common.proxy_bearer_token = try allocator.dupeZ(u8, str);
return true;
}
if (std.mem.eql(u8, "--http_max_concurrent", opt)) {
const str = args.next() orelse {
log.fatal(.app, "missing argument value", .{ .arg = "--http_max_concurrent" });
return error.InvalidArgument;
};
common.http_max_concurrent = std.fmt.parseInt(u8, str, 10) catch |err| {
log.fatal(.app, "invalid argument value", .{ .arg = "--http_max_concurrent", .err = err });
return error.InvalidArgument;
};
return true;
}
if (std.mem.eql(u8, "--http_max_host_open", opt)) {
const str = args.next() orelse {
log.fatal(.app, "missing argument value", .{ .arg = "--http_max_host_open" });
return error.InvalidArgument;
};
common.http_max_host_open = std.fmt.parseInt(u8, str, 10) catch |err| {
log.fatal(.app, "invalid argument value", .{ .arg = "--http_max_host_open", .err = err });
return error.InvalidArgument;
};
return true;
}
if (std.mem.eql(u8, "--http_connect_timeout", opt)) {
const str = args.next() orelse {
log.fatal(.app, "missing argument value", .{ .arg = "--http_connect_timeout" });
return error.InvalidArgument;
};
common.http_connect_timeout = std.fmt.parseInt(u31, str, 10) catch |err| {
log.fatal(.app, "invalid argument value", .{ .arg = "--http_connect_timeout", .err = err });
return error.InvalidArgument;
};
return true;
}
if (std.mem.eql(u8, "--http_timeout", opt)) {
const str = args.next() orelse {
log.fatal(.app, "missing argument value", .{ .arg = "--http_timeout" });
return error.InvalidArgument;
};
common.http_timeout = std.fmt.parseInt(u31, str, 10) catch |err| {
log.fatal(.app, "invalid argument value", .{ .arg = "--http_timeout", .err = err });
return error.InvalidArgument;
};
return true;
}
if (std.mem.eql(u8, "--http_max_response_size", opt)) {
const str = args.next() orelse {
log.fatal(.app, "missing argument value", .{ .arg = "--http_max_response_size" });
return error.InvalidArgument;
};
common.http_max_response_size = std.fmt.parseInt(usize, str, 10) catch |err| {
log.fatal(.app, "invalid argument value", .{ .arg = "--http_max_response_size", .err = err });
return error.InvalidArgument;
};
return true;
}
if (std.mem.eql(u8, "--log_level", opt)) {
const str = args.next() orelse {
log.fatal(.app, "missing argument value", .{ .arg = "--log_level" });
return error.InvalidArgument;
};
common.log_level = std.meta.stringToEnum(log.Level, str) orelse blk: {
if (std.mem.eql(u8, str, "error")) {
break :blk .err;
}
log.fatal(.app, "invalid option choice", .{ .arg = "--log_level", .value = str });
return error.InvalidArgument;
};
return true;
}
if (std.mem.eql(u8, "--log_format", opt)) {
const str = args.next() orelse {
log.fatal(.app, "missing argument value", .{ .arg = "--log_format" });
return error.InvalidArgument;
};
common.log_format = std.meta.stringToEnum(log.Format, str) orelse {
log.fatal(.app, "invalid option choice", .{ .arg = "--log_format", .value = str });
return error.InvalidArgument;
};
return true;
}
if (std.mem.eql(u8, "--log_filter_scopes", opt)) {
if (builtin.mode != .Debug) {
log.fatal(.app, "experimental", .{ .help = "log scope filtering is only available in debug builds" });
return false;
}
const str = args.next() orelse {
// disables the default filters
common.log_filter_scopes = &.{};
return true;
};
var arr: std.ArrayList(log.Scope) = .empty;
var it = std.mem.splitScalar(u8, str, ',');
while (it.next()) |part| {
try arr.append(allocator, std.meta.stringToEnum(log.Scope, part) orelse {
log.fatal(.app, "invalid option choice", .{ .arg = "--log_filter_scopes", .value = part });
return false;
});
}
common.log_filter_scopes = arr.items;
return true;
}
if (std.mem.eql(u8, "--user_agent_suffix", opt)) {
const str = args.next() orelse {
log.fatal(.app, "missing argument value", .{ .arg = "--user_agent_suffix" });
return error.InvalidArgument;
};
for (str) |c| {
if (!std.ascii.isPrint(c)) {
log.fatal(.app, "not printable character", .{ .arg = "--user_agent_suffix" });
return error.InvalidArgument;
}
}
common.user_agent_suffix = try allocator.dupe(u8, str);
return true;
}
if (std.mem.eql(u8, "--web_bot_auth_key_file", opt)) {
const str = args.next() orelse {
log.fatal(.app, "missing argument value", .{ .arg = "--web_bot_auth_key_file" });
return error.InvalidArgument;
};
common.web_bot_auth_key_file = try allocator.dupe(u8, str);
return true;
}
if (std.mem.eql(u8, "--web_bot_auth_keyid", opt)) {
const str = args.next() orelse {
log.fatal(.app, "missing argument value", .{ .arg = "--web_bot_auth_keyid" });
return error.InvalidArgument;
};
common.web_bot_auth_keyid = try allocator.dupe(u8, str);
return true;
}
if (std.mem.eql(u8, "--web_bot_auth_domain", opt)) {
const str = args.next() orelse {
log.fatal(.app, "missing argument value", .{ .arg = "--web_bot_auth_domain" });
return error.InvalidArgument;
};
common.web_bot_auth_domain = try allocator.dupe(u8, str);
return true;
}
return false;
}
================================================
FILE: src/Notification.zig
================================================
// Copyright (C) 2023-2025 Lightpanda (Selecy SAS)
//
// Francis Bouvier <francis@lightpanda.io>
// Pierre Tachoire <pierre@lightpanda.io>
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
const std = @import("std");
const lp = @import("lightpanda");
const log = @import("log.zig");
const Page = @import("browser/Page.zig");
const Transfer = @import("browser/HttpClient.zig").Transfer;
const Allocator = std.mem.Allocator;
const List = std.DoublyLinkedList;
// Allows code to register for and emit events.
// Keeps two lists
// 1 - for a given event type, a linked list of all the listeners
// 2 - for a given listener, a list of all it's registration
// The 2nd one is so that a listener can unregister all of it's listeners
// (there's currently no need for a listener to unregister only 1 or more
// specific listener).
//
// Scoping is important. Imagine we created a global singleton registry, and our
// CDP code registers for the "network_bytes_sent" event, because it needs to
// send messages to the client when this happens. Our HTTP client could then
// emit a "network_bytes_sent" message. It would be easy, and it would work.
// That is, it would work until multiple CDP clients connect, and because
// everything's just one big global, events from one CDP session would be sent
// to all CDP clients.
//
// To avoid this, one way or another, we need scoping. We could still have
// a global registry but every "register" and every "emit" has some type of
// "scope". This would have a run-time cost and still require some coordination
// between components to share a common scope.
//
// Instead, the approach that we take is to have a notification instance per
// CDP connection (BrowserContext). Each CDP connection has its own notification
// that is shared across all Sessions (tabs) within that connection. This ensures
// proper isolation between different CDP clients while allowing a single client
// to receive events from all its tabs.
const Notification = @This();
// Every event type (which are hard-coded), has a list of Listeners.
// When the event happens, we dispatch to those listener.
event_listeners: EventListeners,
// list of listeners for a specified receiver
// @intFromPtr(receiver) -> [listener1, listener2, ...]
// Used when `unregisterAll` is called.
listeners: std.AutoHashMapUnmanaged(usize, std.ArrayList(*Listener)),
allocator: Allocator,
mem_pool: std.heap.MemoryPool(Listener),
const EventListeners = struct {
page_remove: List = .{},
page_created: List = .{},
page_navigate: List = .{},
page_navigated: List = .{},
page_network_idle: List = .{},
page_network_almost_idle: List = .{},
page_frame_created: List = .{},
http_request_fail: List = .{},
http_request_start: List = .{},
http_request_intercept: List = .{},
http_request_done: List = .{},
http_request_auth_required: List = .{},
http_response_data: List = .{},
http_response_header_done: List = .{},
};
const Events = union(enum) {
page_remove: PageRemove,
page_created: *Page,
page_navigate: *const PageNavigate,
page_navigated: *const PageNavigated,
page_network_idle: *const PageNetworkIdle,
page_network_almost_idle: *const PageNetworkAlmostIdle,
page_frame_created: *const PageFrameCreated,
http_request_fail: *const RequestFail,
http_request_start: *const RequestStart,
http_request_intercept: *const RequestIntercept,
http_request_auth_required: *const RequestAuthRequired,
http_request_done: *const RequestDone,
http_response_data: *const ResponseData,
http_response_header_done: *const ResponseHeaderDone,
};
const EventType = std.meta.FieldEnum(Events);
pub const PageRemove = struct {};
pub const PageNavigate = struct {
req_id: u32,
frame_id: u32,
timestamp: u64,
url: [:0]const u8,
opts: Page.NavigateOpts,
};
pub const PageNavigated = struct {
req_id: u32,
frame_id: u32,
timestamp: u64,
url: [:0]const u8,
opts: Page.NavigatedOpts,
};
pub const PageNetworkIdle = struct {
req_id: u32,
frame_id: u32,
timestamp: u64,
};
pub const PageNetworkAlmostIdle = struct {
req_id: u32,
frame_id: u32,
timestamp: u64,
};
pub const PageFrameCreated = struct {
frame_id: u32,
parent_id: u32,
timestamp: u64,
};
pub const RequestStart = struct {
transfer: *Transfer,
};
pub const RequestIntercept = struct {
transfer: *Transfer,
wait_for_interception: *bool,
};
pub const RequestAuthRequired = struct {
transfer: *Transfer,
wait_for_interception: *bool,
};
pub const ResponseData = struct {
data: []const u8,
transfer: *Transfer,
};
pub const ResponseHeaderDone = struct {
transfer: *Transfer,
};
pub const RequestDone = struct {
transfer: *Transfer,
};
pub const RequestFail = struct {
transfer: *Transfer,
err: anyerror,
};
pub fn init(allocator: Allocator) !*Notification {
const notification = try allocator.create(Notification);
errdefer allocator.destroy(notification);
notification.* = .{
.listeners = .{},
.event_listeners = .{},
.allocator = allocator,
.mem_pool = std.heap.MemoryPool(Listener).init(allocator),
};
return notification;
}
pub fn deinit(self: *Notification) void {
const allocator = self.allocator;
var it = self.listeners.valueIterator();
while (it.next()) |listener| {
listener.deinit(allocator);
}
self.listeners.deinit(allocator);
self.mem_pool.deinit();
allocator.destroy(self);
}
pub fn register(self: *Notification, comptime event: EventType, receiver: anytype, func: EventFunc(event)) !void {
var list = &@field(self.event_listeners, @tagName(event));
var listener = try self.mem_pool.create();
errdefer self.mem_pool.destroy(listener);
listener.* = .{
.node = .{},
.list = list,
.receiver = receiver,
.event = event,
.func = @ptrCast(func),
.struct_name = @typeName(@typeInfo(@TypeOf(receiver)).pointer.child),
};
const allocator = self.allocator;
const gop = try self.listeners.getOrPut(allocator, @intFromPtr(receiver));
if (gop.found_existing == false) {
gop.value_ptr.* = .{};
}
try gop.value_ptr.append(allocator, listener);
// we don't add this until we've successfully added the entry to
// self.listeners
list.append(&listener.node);
}
pub fn unregister(self: *Notification, comptime event: EventType, receiver: anytype) void {
var listeners = self.listeners.getPtr(@intFromPtr(receiver)) orelse return;
var i: usize = 0;
while (i < listeners.items.len) {
const listener = listeners.items[i];
if (listener.event != event) {
i += 1;
continue;
}
listener.list.remove(&listener.node);
self.mem_pool.destroy(listener);
_ = listeners.swapRemove(i);
}
if (listeners.items.len == 0) {
listeners.deinit(self.allocator);
const removed = self.listeners.remove(@intFromPtr(receiver));
lp.assert(removed == true, "Notification.unregister", .{ .type = event });
}
}
pub fn unregisterAll(self: *Notification, receiver: *anyopaque) void {
var kv = self.listeners.fetchRemove(@intFromPtr(receiver)) orelse return;
for (kv.value.items) |listener| {
listener.list.remove(&listener.node);
self.mem_pool.destroy(listener);
}
kv.value.deinit(self.allocator);
}
pub fn dispatch(self: *Notification, comptime event: EventType, data: ArgType(event)) void {
if (self.listeners.count() == 0) {
return;
}
const list = &@field(self.event_listeners, @tagName(event));
var node = list.first;
while (node) |n| {
const listener: *Listener = @fieldParentPtr("node", n);
const func: EventFunc(event) = @ptrCast(@alignCast(listener.func));
func(listener.receiver, data) catch |err| {
log.err(.app, "dispatch error", .{
.err = err,
.event = event,
.source = "notification",
.listener = listener.struct_name,
});
};
node = n.next;
}
}
// Given an event type enum, returns the type of arg the event emits
fn ArgType(comptime event: Notification.EventType) type {
inline for (std.meta.fields(Notification.Events)) |f| {
if (std.mem.eql(u8, f.name, @tagName(event))) {
return f.type;
}
}
unreachable;
}
// Given an event type enum, returns the listening function type
fn EventFunc(comptime event: Notification.EventType) type {
return *const fn (*anyopaque, ArgType(event)) anyerror!void;
}
// A listener. This is 1 receiver, with its function, and the linked list
// node that goes in the appropriate EventListeners list.
const Listener = struct {
// the receiver of the event, i.e. the self parameter to `func`
receiver: *anyopaque,
// the function to call
func: *const anyopaque,
// For logging slightly better error
struct_name: []const u8,
event: Notification.EventType,
// intrusive linked list node
node: List.Node,
// The event list this listener belongs to.
// We need this in order to be able to remove the node from the list
list: *List,
};
const testing = std.testing;
test "Notification" {
var notifier = try Notification.init(testing.allocator);
defer notifier.deinit();
// noop
notifier.dispatch(.page_navigate, &.{
.frame_id = 0,
.req_id = 1,
.timestamp = 4,
.url = undefined,
.opts = .{},
});
var tc = TestClient{};
try notifier.register(.page_navigate, &tc, TestClient.pageNavigate);
notifier.dispatch(.page_navigate, &.{
.frame_id = 0,
.req_id = 1,
.timestamp = 4,
.url = undefined,
.opts = .{},
});
try testing.expectEqual(4, tc.page_navigate);
notifier.unregisterAll(&tc);
notifier.dispatch(.page_navigate, &.{
.frame_id = 0,
.req_id = 1,
.timestamp = 10,
.url = undefined,
.opts = .{},
});
try testing.expectEqual(4, tc.page_navigate);
try notifier.register(.page_navigate, &tc, TestClient.pageNavigate);
try notifier.register(.page_navigated, &tc, TestClient.pageNavigated);
notifier.dispatch(.page_navigate, &.{
.frame_id = 0,
.req_id = 1,
.timestamp = 10,
.url = undefined,
.opts = .{},
});
notifier.dispatch(.page_navigated, &.{ .frame_id = 0, .req_id = 1, .timestamp = 6, .url = undefined, .opts = .{} });
try testing.expectEqual(14, tc.page_navigate);
try testing.expectEqual(6, tc.page_navigated);
notifier.unregisterAll(&tc);
notifier.dispatch(.page_navigate, &.{
.frame_id = 0,
.req_id = 1,
.timestamp = 100,
.url = undefined,
.opts = .{},
});
notifier.dispatch(.page_navigated, &.{ .frame_id = 0, .req_id = 1, .timestamp = 100, .url = undefined, .opts = .{} });
try testing.expectEqual(14, tc.page_navigate);
try testing.expectEqual(6, tc.page_navigated);
{
// unregister
try notifier.register(.page_navigate, &tc, TestClient.pageNavigate);
try notifier.register(.page_navigated, &tc, TestClient.pageNavigated);
notifier.dispatch(.page_navigate, &.{ .frame_id = 0, .req_id = 1, .timestamp = 100, .url = undefined, .opts = .{} });
notifier.dispatch(.page_navigated, &.{ .frame_id = 0, .req_id = 1, .timestamp = 1000, .url = undefined, .opts = .{} });
try testing.expectEqual(114, tc.page_navigate);
try testing.expectEqual(1006, tc.page_navigated);
notifier.unregister(.page_navigate, &tc);
notifier.dispatch(.page_navigate, &.{ .frame_id = 0, .req_id = 1, .timestamp = 100, .url = undefined, .opts = .{} });
notifier.dispatch(.page_navigated, &.{ .frame_id = 0, .req_id = 1, .timestamp = 1000, .url = undefined, .opts = .{} });
try testing.expectEqual(114, tc.page_navigate);
try testing.expectEqual(2006, tc.page_navigated);
notifier.unregister(.page_navigated, &tc);
notifier.dispatch(.page_navigate, &.{ .frame_id = 0, .req_id = 1, .timestamp = 100, .url = undefined, .opts = .{} });
notifier.dispatch(.page_navigated, &.{ .frame_id = 0, .req_id = 1, .timestamp = 1000, .url = undefined, .opts = .{} });
try testing.expectEqual(114, tc.page_navigate);
try testing.expectEqual(2006, tc.page_navigated);
// already unregistered, try anyways
notifier.unregister(.page_navigated, &tc);
notifier.dispatch(.page_navigate, &.{ .frame_id = 0, .req_id = 1, .timestamp = 100, .url = undefined, .opts = .{} });
notifier.dispatch(.page_navigated, &.{ .frame_id = 0, .req_id = 1, .timestamp = 1000, .url = undefined, .opts = .{} });
try testing.expectEqual(114, tc.page_navigate);
try testing.expectEqual(2006, tc.page_navigated);
}
}
const TestClient = struct {
page_navigate: u64 = 0,
page_navigated: u64 = 0,
fn pageNavigate(ptr: *anyopaque, data: *const Notification.PageNavigate) !void {
const self: *TestClient = @ptrCast(@alignCast(ptr));
self.page_navigate += data.timestamp;
}
fn pageNavigated(ptr: *anyopaque, data: *const Notification.PageNavigated) !void {
const self: *TestClient = @ptrCast(@alignCast(ptr));
self.page_navigated += data.timestamp;
}
};
================================================
FILE: src/SemanticTree.zig
================================================
// Copyright (C) 2023-2026 Lightpanda (Selecy SAS)
//
// Francis Bouvier <francis@lightpanda.io>
// Pierre Tachoire <pierre@lightpanda.io>
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. See <https://www.gnu.org/licenses/>.
const std = @import("std");
const lp = @import("lightpanda");
const log = @import("log.zig");
const isAllWhitespace = @import("string.zig").isAllWhitespace;
const Page = lp.Page;
const interactive = @import("browser/interactive.zig");
const CData = @import("browser/webapi/CData.zig");
const Element = @import("browser/webapi/Element.zig");
const Node = @import("browser/webapi/Node.zig");
const AXNode = @import("cdp/AXNode.zig");
const CDPNode = @import("cdp/Node.zig");
const Self = @This();
dom_node: *Node,
registry: *CDPNode.Registry,
page: *Page,
arena: std.mem.Allocator,
prune: bool = true,
interactive_only: bool = false,
max_depth: u32 = std.math.maxInt(u32) - 1,
pub fn jsonStringify(self: @This(), jw: *std.json.Stringify) error{WriteFailed}!void {
var visitor = JsonVisitor{ .jw = jw, .tree = self };
var xpath_buffer: std.ArrayList(u8) = .{};
const listener_targets = interactive.buildListenerTargetMap(self.page, self.arena) catch |err| {
log.err(.app, "listener map failed", .{ .err = err });
return error.WriteFailed;
};
self.walk(self.dom_node, &xpath_buffer, null, &visitor, 1, listener_targets, 0) catch |err| {
log.err(.app, "semantic tree json dump failed", .{ .err = err });
return error.WriteFailed;
};
}
pub fn textStringify(self: @This(), writer: *std.Io.Writer) error{WriteFailed}!void {
var visitor = TextVisitor{ .writer = writer, .tree = self, .depth = 0 };
var xpath_buffer: std.ArrayList(u8) = .empty;
const listener_targets = interactive.buildListenerTargetMap(self.page, self.arena) catch |err| {
log.err(.app, "listener map failed", .{ .err = err });
return error.WriteFailed;
};
self.walk(self.dom_node, &xpath_buffer, null, &visitor, 1, listener_targets, 0) catch |err| {
log.err(.app, "semantic tree text dump failed", .{ .err = err });
return error.WriteFailed;
};
}
const OptionData = struct {
value: []const u8,
text: []const u8,
selected: bool,
};
const NodeData = struct {
id: CDPNode.Id,
axn: AXNode,
role: []const u8,
name: ?[]const u8,
value: ?[]const u8,
options: ?[]OptionData = null,
xpath: []const u8,
is_interactive: bool,
node_name: []const u8,
};
fn walk(self: @This(), node: *Node, xpath_buffer: *std.ArrayList(u8), parent_name: ?[]const u8, visitor: anytype, index: usize, listener_targets: interactive.ListenerTargetMap, current_depth: u32) !void {
if (current_depth > self.max_depth) return;
// 1. Skip non-content nodes
if (node.is(Element)) |el| {
const tag = el.getTag();
if (tag.isMetadata() or tag == .svg) return;
// We handle options/optgroups natively inside their parents, skip them in the general walk
if (tag == .datalist or tag == .option or tag == .optgroup) return;
// Check visibility using the engine's checkVisibility which handles CSS display: none
if (!el.checkVisibility(self.page)) {
return;
}
if (el.is(Element.Html)) |html_el| {
if (html_el.getHidden()) return;
}
} else if (node.is(CData.Text)) |text_node| {
const text = text_node.getWholeText();
if (isAllWhitespace(text)) {
return;
}
} else if (node._type != .document and node._type != .document_fragment) {
return;
}
const cdp_node = try self.registry.register(node);
const axn = AXNode.fromNode(node);
const role = try axn.getRole();
var is_interactive = false;
var value: ?[]const u8 = null;
var options: ?[]OptionData = null;
var node_name: []const u8 = "text";
if (node.is(Element)) |el| {
node_name = el.getTagNameLower();
if (el.is(Element.Html.Input)) |input| {
value = input.getValue();
if (el.getAttributeSafe(comptime lp.String.wrap("list"))) |list_id| {
options = try extractDataListOptions(list_id, self.page, self.arena);
}
} else if (el.is(Element.Html.TextArea)) |textarea| {
value = textarea.getValue();
} else if (el.is(Element.Html.Select)) |select| {
value = select.getValue(self.page);
options = try extractSelectOptions(el.asNode(), self.page, self.arena);
}
if (el.is(Element.Html)) |html_el| {
if (interactive.classifyInteractivity(el, html_el, listener_targets) != null) {
is_interactive = true;
}
}
} else if (node._type == .document or node._type == .document_fragment) {
node_name = "root";
}
const initial_xpath_len = xpath_buffer.items.len;
try appendXPathSegment(node, xpath_buffer.writer(self.arena), index);
const xpath = xpath_buffer.items;
var name = try axn.getName(self.page, self.arena);
const has_explicit_label = if (node.is(Element)) |el|
el.getAttributeSafe(.wrap("aria-label")) != null or el.getAttributeSafe(.wrap("title")) != null
else
false;
const structural = isStructuralRole(role);
// Filter out computed concatenated names for generic containers without explicit labels.
// This prevents token bloat and ensures their StaticText children aren't incorrectly pruned.
// We ignore interactivity because a generic wrapper with an event listener still shouldn't hoist all text.
if (name != null and structural and !has_explicit_label) {
name = null;
}
var data = NodeData{
.id = cdp_node.id,
.axn = axn,
.role = role,
.name = name,
.value = value,
.options = options,
.xpath = xpath,
.is_interactive = is_interactive,
.node_name = node_name,
};
var should_visit = true;
if (self.interactive_only) {
var keep = false;
if (interactive.isInteractiveRole(role)) {
keep = true;
} else if (interactive.isContentRole(role)) {
if (name != null and name.?.len > 0) {
keep = true;
}
} else if (std.mem.eql(u8, role, "RootWebArea")) {
keep = true;
} else if (is_interactive) {
keep = true;
}
if (!keep) {
should_visit = false;
}
} else if (self.prune) {
if (structural and !is_interactive and !has_explicit_label) {
should_visit = false;
}
if (std.mem.eql(u8, role, "StaticText") and node._parent != null) {
if (parent_name != null and name != null and std.mem.indexOf(u8, parent_name.?, name.?) != null) {
should_visit = false;
}
}
}
var did_visit = false;
var should_walk_children = true;
if (should_visit) {
should_walk_children = try visitor.visit(node, &data);
did_visit = true; // Always true if should_visit was true, because visit() executed and opened structures
} else {
// If we skip the node, we must NOT tell the visitor to close it later
did_visit = false;
}
if (should_walk_children) {
// If we are printing this node normally OR skipping it and unrolling its children,
// we walk the children iterator.
var it = node.childrenIterator();
var tag_counts = std.StringArrayHashMap(usize).init(self.arena);
while (it.next()) |child| {
var tag: []const u8 = "text()";
if (child.is(Element)) |el| {
tag = el.getTagNameLower();
}
const gop = try tag_counts.getOrPut(tag);
if (!gop.found_existing) {
gop.value_ptr.* = 0;
}
gop.value_ptr.* += 1;
try self.walk(child, xpath_buffer, name, visitor, gop.value_ptr.*, listener_targets, current_depth + 1);
}
}
if (did_visit) {
try visitor.leave();
}
xpath_buffer.shrinkRetainingCapacity(initial_xpath_len);
}
fn extractSelectOptions(node: *Node, page: *Page, arena: std.mem.Allocator) ![]OptionData {
var options = std.ArrayListUnmanaged(OptionData){};
var it = node.childrenIterator();
while (it.next()) |child| {
if (child.is(Element)) |el| {
if (el.getTag() == .option) {
if (el.is(Element.Html.Option)) |opt| {
const text = opt.getText(page);
const value = opt.getValue(page);
const selected = opt.getSelected();
try options.append(arena, .{ .text = text, .value = value, .selected = selected });
}
} else if (el.getTag() == .optgroup) {
var group_it = child.childrenIterator();
while (group_it.next()) |group_child| {
if (group_child.is(Element.Html.Option)) |opt| {
const text = opt.getText(page);
const value = opt.getValue(page);
const selected = opt.getSelected();
try options.append(arena, .{ .text = text, .value = value, .selected = selected });
}
}
}
}
}
return options.toOwnedSlice(arena);
}
fn extractDataListOptions(list_id: []const u8, page: *Page, arena: std.mem.Allocator) !?[]OptionData {
if (page.document.getElementById(list_id, page)) |referenced_el| {
if (referenced_el.getTag() == .datalist) {
return try extractSelectOptions(referenced_el.asNode(), page, arena);
}
}
return null;
}
fn appendXPathSegment(node: *Node, writer: anytype, index: usize) !void {
if (node.is(Element)) |el| {
const tag = el.getTagNameLower();
try std.fmt.format(writer, "/{s}[{d}]", .{ tag, index });
} else if (node.is(CData.Text)) |_| {
try std.fmt.format(writer, "/text()[{d}]", .{index});
}
}
const JsonVisitor = struct {
jw: *std.json.Stringify,
tree: Self,
pub fn visit(self: *JsonVisitor, node: *Node, data: *NodeData) !bool {
try self.jw.beginObject();
try self.jw.objectField("nodeId");
try self.jw.write(try std.fmt.allocPrint(self.tree.arena, "{d}", .{data.id}));
try self.jw.objectField("backendDOMNodeId");
try self.jw.write(data.id);
try self.jw.objectField("nodeName");
try self.jw.write(data.node_name);
try self.jw.objectField("xpath");
try self.jw.write(data.xpath);
if (node.is(Element)) |el| {
try self.jw.objectField("nodeType");
try self.jw.write(1);
try self.jw.objectField("isInteractive");
try self.jw.write(data.is_interactive);
try self.jw.objectField("role");
try self.jw.write(data.role);
if (data.name) |name| {
if (name.len > 0) {
try self.jw.objectField("name");
try self.jw.write(name);
}
}
if (data.value) |value| {
try self.jw.objectField("value");
try self.jw.write(value);
}
if (el._attributes) |attrs| {
try self.jw.objectField("attributes");
try self.jw.beginObject();
var iter = attrs.iterator();
while (iter.next()) |attr| {
try self.jw.objectField(attr._name.str());
try self.jw.write(attr._value.str());
}
try self.jw.endObject();
}
if (data.options) |options| {
try self.jw.objectField("options");
try self.jw.beginArray();
for (options) |opt| {
try self.jw.beginObject();
try self.jw.objectField("value");
try self.jw.write(opt.value);
try self.jw.objectField("text");
try self.jw.write(opt.text);
try self.jw.objectField("selected");
try self.jw.write(opt.selected);
try self.jw.endObject();
}
try self.jw.endArray();
}
} else if (node.is(CData.Text)) |text_node| {
try self.jw.objectField("nodeType");
try self.jw.write(3);
try self.jw.objectField("nodeValue");
try self.jw.write(text_node.getWholeText());
} else {
try self.jw.objectField("nodeType");
try self.jw.write(9);
}
try self.jw.objectField("children");
try self.jw.beginArray();
if (data.options != null) {
// Signal to not walk children, as we handled them natively
return false;
}
return true;
}
pub fn leave(self: *JsonVisitor) !void {
try self.jw.endArray();
try self.jw.endObject();
}
};
fn isStructuralRole(role: []const u8) bool {
const structural_roles = std.StaticStringMap(void).initComptime(.{
.{ "none", {} },
.{ "generic", {} },
.{ "InlineTextBox", {} },
.{ "banner", {} },
.{ "navigation", {} },
.{ "main", {} },
.{ "list", {} },
.{ "listitem", {} },
.{ "table", {} },
.{ "rowgroup", {} },
.{ "row", {} },
.{ "cell", {} },
.{ "region", {} },
});
return structural_roles.has(role);
}
const TextVisitor = struct {
writer: *std.Io.Writer,
tree: Self,
depth: usize,
pub fn visit(self: *TextVisitor, node: *Node, data: *NodeData) !bool {
for (0..self.depth) |_| {
try self.writer.writeByte(' ');
}
var name_to_print: ?[]const u8 = null;
if (data.name) |n| {
if (n.len > 0) {
name_to_print = n;
}
} else if (node.is(CData.Text)) |text_node| {
const trimmed = std.mem.trim(u8, text_node.getWholeText(), " \t\r\n");
if (trimmed.len > 0) {
name_to_print = trimmed;
}
}
const is_text_only = std.mem.eql(u8, data.role, "StaticText") or std.mem.eql(u8, data.role, "none") or std.mem.eql(u8, data.role, "generic");
try self.writer.print("{d}", .{data.id});
if (!is_text_only) {
try self.writer.print(" {s}", .{data.role});
}
if (name_to_print) |n| {
try self.writer.print(" '{s}'", .{n});
}
if (data.value) |v| {
if (v.len > 0) {
try self.writer.print(" value='{s}'", .{v});
}
}
if (data.options) |options| {
try self.writer.writeAll(" options=[");
for (options, 0..) |opt, i| {
if (i > 0) try self.writer.writeAll(",");
try self.writer.print("'{s}'", .{opt.value});
if (opt.selected) {
try self.writer.writeAll("*");
}
}
try self.writer.writeAll("]\n");
self.depth += 1;
return false; // Native handling complete, do not walk children
}
try self.writer.writeByte('\n');
self.depth += 1;
// If this is a leaf-like semantic node and we already have a name,
// skip children to avoid redundant StaticText or noise.
const is_leaf_semantic = std.mem.eql(u8, data.role, "link") or
std.mem.eql(u8, data.role, "button") or
std.mem.eql(u8, data.role, "heading") or
std.mem.eql(u8, data.role, "code");
if (is_leaf_semantic and data.name != null and data.name.?.len > 0) {
return false;
}
return true;
}
pub fn leave(self: *TextVisitor) !void {
if (self.depth > 0) {
self.depth -= 1;
}
}
};
const testing = @import("testing.zig");
test "SemanticTree backendDOMNodeId" {
var registry: CDPNode.Registry = .init(testing.allocator);
defer registry.deinit();
var page = try testing.pageTest("cdp/registry1.html");
defer testing.reset();
defer page._session.removePage();
const st: Self = .{
.dom_node = page.window._document.asNode(),
.registry = ®istry,
.page = page,
.arena = testing.arena_allocator,
.prune = false,
.interactive_only = false,
.max_depth = std.math.maxInt(u32) - 1,
};
const json_str = try std.json.Stringify.valueAlloc(testing.allocator, st, .{});
defer testing.allocator.free(json_str);
try testing.expect(std.mem.indexOf(u8, json_str, "\"backendDOMNodeId\":") != null);
}
test "SemanticTree max_depth" {
var registry: CDPNode.Registry = .init(testing.allocator);
defer registry.deinit();
var page = try testing.pageTest("cdp/registry1.html");
defer testing.reset();
defer page._session.removePage();
const st: Self = .{
.dom_node = page.window._document.asNode(),
.registry = ®istry,
.page = page,
.arena = testing.arena_allocator,
.prune = false,
.interactive_only = false,
.max_depth = 1,
};
var aw: std.Io.Writer.Allocating = .init(testing.allocator);
defer aw.deinit();
try st.textStringify(&aw.writer);
const text_str = aw.written();
try testing.expect(std.mem.indexOf(u8, text_str, "other") == null);
}
================================================
FILE: src/Server.zig
================================================
// Copyright (C) 2023-2025 Lightpanda (Selecy SAS)
//
// Francis Bouvier <francis@lightpanda.io>
// Pierre Tachoire <pierre@lightpanda.io>
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
const std = @import("std");
const lp = @import("lightpanda");
const net = std.net;
const posix = std.posix;
const Allocator = std.mem.Allocator;
const ArenaAllocator = std.heap.ArenaAllocator;
const log = @import("log.zig");
const App = @import("App.zig");
const Config = @import("Config.zig");
const CDP = @import("cdp/cdp.zig").CDP;
const Net = @import("network/websocket.zig");
const HttpClient = @import("browser/HttpClient.zig");
const Server = @This();
app: *App,
allocator: Allocator,
json_version_response: []const u8,
// Thread management
active_threads: std.atomic.Value(u32) = .init(0),
clients: std.ArrayList(*Client) = .{},
client_mutex: std.Thread.Mutex = .{},
clients_pool: std.heap.MemoryPool(Client),
pub fn init(app: *App, address: net.Address) !*Server {
const allocator = app.allocator;
const json_version_response = try buildJSONVersionResponse(allocator, address);
errdefer allocator.free(json_version_response);
const self = try allocator.create(Server);
errdefer allocator.destroy(self);
self.* = .{
.app = app,
.allocator = allocator,
.json_version_response = json_version_response,
.clients_pool = std.heap.MemoryPool(Client).init(allocator),
};
try self.app.network.bind(address, self, onAccept);
log.info(.app, "server running", .{ .address = address });
return self;
}
pub fn shutdown(self: *Server) void {
self.client_mutex.lock();
defer self.client_mutex.unlock();
for (self.clients.items) |client| {
client.stop();
}
}
pub fn deinit(self: *Server) void {
self.shutdown();
self.joinThreads();
self.clients.deinit(self.allocator);
self.clients_pool.deinit();
self.allocator.free(self.json_version_response);
self.allocator.destroy(self);
}
fn onAccept(ctx: *anyopaque, socket: posix.socket_t) void {
const self: *Server = @ptrCast(@alignCast(ctx));
const timeout_ms: u32 = @intCast(self.app.config.cdpTimeout());
self.spawnWorker(socket, timeout_ms) catch |err| {
log.err(.app, "CDP spawn", .{ .err = err });
posix.close(socket);
};
}
fn handleConnection(self: *Server, socket: posix.socket_t, timeout_ms: u32) void {
defer posix.close(socket);
// Client is HUGE (> 512KB) because it has a large rea
gitextract_h4l2nhcz/
├── .github/
│ ├── actions/
│ │ └── install/
│ │ └── action.yml
│ └── workflows/
│ ├── cla.yml
│ ├── e2e-integration-test.yml
│ ├── e2e-test.yml
│ ├── nightly.yml
│ ├── wpt.yml
│ └── zig-test.yml
├── .gitignore
├── CLA.md
├── CONTRIBUTING.md
├── Dockerfile
├── LICENSE
├── LICENSING.md
├── Makefile
├── README.md
├── build.zig
├── build.zig.zon
├── flake.nix
└── src/
├── App.zig
├── ArenaPool.zig
├── Config.zig
├── Notification.zig
├── SemanticTree.zig
├── Server.zig
├── Sighandler.zig
├── TestHTTPServer.zig
├── browser/
│ ├── Browser.zig
│ ├── EventManager.zig
│ ├── Factory.zig
│ ├── HttpClient.zig
│ ├── Mime.zig
│ ├── Page.zig
│ ├── ScriptManager.zig
│ ├── Session.zig
│ ├── URL.zig
│ ├── actions.zig
│ ├── color.zig
│ ├── css/
│ │ ├── Parser.zig
│ │ └── Tokenizer.zig
│ ├── dump.zig
│ ├── interactive.zig
│ ├── js/
│ │ ├── Array.zig
│ │ ├── BigInt.zig
│ │ ├── Caller.zig
│ │ ├── Context.zig
│ │ ├── Env.zig
│ │ ├── Function.zig
│ │ ├── HandleScope.zig
│ │ ├── Inspector.zig
│ │ ├── Integer.zig
│ │ ├── Isolate.zig
│ │ ├── Local.zig
│ │ ├── Module.zig
│ │ ├── Number.zig
│ │ ├── Object.zig
│ │ ├── Origin.zig
│ │ ├── Platform.zig
│ │ ├── Private.zig
│ │ ├── Promise.zig
│ │ ├── PromiseRejection.zig
│ │ ├── PromiseResolver.zig
│ │ ├── Scheduler.zig
│ │ ├── Snapshot.zig
│ │ ├── String.zig
│ │ ├── TaggedOpaque.zig
│ │ ├── TryCatch.zig
│ │ ├── Value.zig
│ │ ├── bridge.zig
│ │ └── js.zig
│ ├── markdown.zig
│ ├── parser/
│ │ ├── Parser.zig
│ │ └── html5ever.zig
│ ├── reflect.zig
│ ├── structured_data.zig
│ ├── tests/
│ │ ├── animation/
│ │ │ └── animation.html
│ │ ├── blob.html
│ │ ├── canvas/
│ │ │ ├── canvas_rendering_context_2d.html
│ │ │ ├── offscreen_canvas.html
│ │ │ └── webgl_rendering_context.html
│ │ ├── cdata/
│ │ │ ├── cdata_section.html
│ │ │ ├── character_data.html
│ │ │ ├── comment.html
│ │ │ ├── data.html
│ │ │ └── text.html
│ │ ├── cdp/
│ │ │ ├── dom1.html
│ │ │ ├── dom2.html
│ │ │ ├── dom3.html
│ │ │ ├── registry1.html
│ │ │ ├── registry2.html
│ │ │ └── registry3.html
│ │ ├── collections/
│ │ │ └── radio_node_list.html
│ │ ├── console/
│ │ │ └── console.html
│ │ ├── crypto.html
│ │ ├── css/
│ │ │ ├── font_face.html
│ │ │ ├── font_face_set.html
│ │ │ ├── media_query_list.html
│ │ │ └── stylesheet.html
│ │ ├── css.html
│ │ ├── custom_elements/
│ │ │ ├── attribute_changed.html
│ │ │ ├── built_in.html
│ │ │ ├── connected.html
│ │ │ ├── connected_from_parser.html
│ │ │ ├── constructor.html
│ │ │ ├── disconnected.html
│ │ │ ├── registry.html
│ │ │ ├── throw_on_dynamic_markup_insertion.html
│ │ │ └── upgrade.html
│ │ ├── document/
│ │ │ ├── adopt_import.html
│ │ │ ├── all_collection.html
│ │ │ ├── children.html
│ │ │ ├── collections.html
│ │ │ ├── create_element.html
│ │ │ ├── create_element_ns.html
│ │ │ ├── document-title.html
│ │ │ ├── document.html
│ │ │ ├── element_from_point.html
│ │ │ ├── focus.html
│ │ │ ├── get_element_by_id.html
│ │ │ ├── get_elements_by_class_name-multiple.html
│ │ │ ├── get_elements_by_class_name.html
│ │ │ ├── get_elements_by_name.html
│ │ │ ├── get_elements_by_tag_name-wildcard.html
│ │ │ ├── get_elements_by_tag_name.html
│ │ │ ├── insert_adjacent_element.html
│ │ │ ├── insert_adjacent_html.html
│ │ │ ├── insert_adjacent_text.html
│ │ │ ├── query_selector.html
│ │ │ ├── query_selector_all.html
│ │ │ ├── query_selector_attributes.html
│ │ │ ├── query_selector_edge_cases.html
│ │ │ ├── query_selector_not.html
│ │ │ ├── replace_children.html
│ │ │ └── write.html
│ │ ├── document_fragment/
│ │ │ ├── document_fragment.html
│ │ │ └── insertion.html
│ │ ├── document_head_body.html
│ │ ├── domexception.html
│ │ ├── domimplementation.html
│ │ ├── domparser.html
│ │ ├── element/
│ │ │ ├── append.html
│ │ │ ├── attributes.html
│ │ │ ├── bounding_rect.html
│ │ │ ├── class_list.html
│ │ │ ├── closest.html
│ │ │ ├── css_style_properties.html
│ │ │ ├── dataset.html
│ │ │ ├── duplicate_ids.html
│ │ │ ├── element.html
│ │ │ ├── get_elements_by_class_name.html
│ │ │ ├── get_elements_by_tag_name.html
│ │ │ ├── get_elements_by_tag_name_ns.html
│ │ │ ├── html/
│ │ │ │ ├── anchor.html
│ │ │ │ ├── button.html
│ │ │ │ ├── details.html
│ │ │ │ ├── dialog.html
│ │ │ │ ├── event_listeners.html
│ │ │ │ ├── fieldset.html
│ │ │ │ ├── form.html
│ │ │ │ ├── htmlelement-props.html
│ │ │ │ ├── image.html
│ │ │ │ ├── input-attrs.html
│ │ │ │ ├── input.html
│ │ │ │ ├── input_click.html
│ │ │ │ ├── input_radio.html
│ │ │ │ ├── label.html
│ │ │ │ ├── li.html
│ │ │ │ ├── link.html
│ │ │ │ ├── media.html
│ │ │ │ ├── ol.html
│ │ │ │ ├── optgroup.html
│ │ │ │ ├── option.html
│ │ │ │ ├── picture.html
│ │ │ │ ├── quote.html
│ │ │ │ ├── script/
│ │ │ │ │ ├── async_text.html
│ │ │ │ │ ├── dynamic.html
│ │ │ │ │ ├── dynamic1.js
│ │ │ │ │ ├── dynamic2.js
│ │ │ │ │ ├── dynamic_inline.html
│ │ │ │ │ ├── empty.js
│ │ │ │ │ ├── order.html
│ │ │ │ │ ├── order.js
│ │ │ │ │ ├── order_async.js
│ │ │ │ │ ├── order_defer.js
│ │ │ │ │ └── script.html
│ │ │ │ ├── select.html
│ │ │ │ ├── slot.html
│ │ │ │ ├── style.html
│ │ │ │ ├── tablecell.html
│ │ │ │ ├── template.html
│ │ │ │ ├── textarea.html
│ │ │ │ ├── time.html
│ │ │ │ └── track.html
│ │ │ ├── inner.html
│ │ │ ├── inner.js
│ │ │ ├── matches.html
│ │ │ ├── outer.html
│ │ │ ├── position.html
│ │ │ ├── pseudo_classes.html
│ │ │ ├── query_selector.html
│ │ │ ├── query_selector_all.html
│ │ │ ├── query_selector_scope.html
│ │ │ ├── remove.html
│ │ │ ├── replace_with.html
│ │ │ ├── selector_invalid.html
│ │ │ ├── styles.html
│ │ │ └── svg/
│ │ │ └── svg.html
│ │ ├── encoding/
│ │ │ ├── text_decoder.html
│ │ │ └── text_encoder.html
│ │ ├── event/
│ │ │ ├── abort_controller.html
│ │ │ ├── composition.html
│ │ │ ├── custom_event.html
│ │ │ ├── error.html
│ │ │ ├── focus.html
│ │ │ ├── keyboard.html
│ │ │ ├── listener_removal.html
│ │ │ ├── message.html
│ │ │ ├── message_multiple_listeners.html
│ │ │ ├── mouse.html
│ │ │ ├── pointer.html
│ │ │ ├── promise_rejection.html
│ │ │ ├── report_error.html
│ │ │ ├── text.html
│ │ │ ├── ui.html
│ │ │ └── wheel.html
│ │ ├── events.html
│ │ ├── file.html
│ │ ├── file_reader.html
│ │ ├── frames/
│ │ │ ├── frames.html
│ │ │ ├── post_message.html
│ │ │ ├── support/
│ │ │ │ ├── after_link.html
│ │ │ │ ├── message_receiver.html
│ │ │ │ ├── page.html
│ │ │ │ ├── sub 1.html
│ │ │ │ ├── sub2.html
│ │ │ │ └── with_link.html
│ │ │ └── target.html
│ │ ├── history.html
│ │ ├── history_after_nav.skip.html
│ │ ├── image_data.html
│ │ ├── integration/
│ │ │ └── custom_element_composition.html
│ │ ├── intersection_observer/
│ │ │ ├── basic.html
│ │ │ ├── disconnect.html
│ │ │ ├── multiple_targets.html
│ │ │ └── unobserve.html
│ │ ├── legacy/
│ │ │ ├── browser.html
│ │ │ ├── crypto.html
│ │ │ ├── css.html
│ │ │ ├── cssom/
│ │ │ │ ├── css_style_declaration.html
│ │ │ │ └── css_stylesheet.html
│ │ │ ├── dom/
│ │ │ │ ├── animation.html
│ │ │ │ ├── attribute.html
│ │ │ │ ├── character_data.html
│ │ │ │ ├── comment.html
│ │ │ │ ├── document.html
│ │ │ │ ├── document_fragment.html
│ │ │ │ ├── document_type.html
│ │ │ │ ├── dom_parser.html
│ │ │ │ ├── element.html
│ │ │ │ ├── event_target.html
│ │ │ │ ├── exceptions.html
│ │ │ │ ├── html_collection.html
│ │ │ │ ├── implementation.html
│ │ │ │ ├── intersection_observer.html
│ │ │ │ ├── named_node_map.html
│ │ │ │ ├── node_filter.html
│ │ │ │ ├── node_list.html
│ │ │ │ ├── node_owner.html
│ │ │ │ ├── performance.html
│ │ │ │ ├── performance_observer.html
│ │ │ │ ├── processing_instruction.html
│ │ │ │ ├── range.html
│ │ │ │ ├── text.html
│ │ │ │ └── token_list.html
│ │ │ ├── encoding/
│ │ │ │ ├── decoder.html
│ │ │ │ └── encoder.html
│ │ │ ├── events/
│ │ │ │ ├── composition.html
│ │ │ │ ├── custom.html
│ │ │ │ ├── event.html
│ │ │ │ ├── keyboard.html
│ │ │ │ └── mouse.html
│ │ │ ├── fetch/
│ │ │ │ ├── fetch.html
│ │ │ │ ├── headers.html
│ │ │ │ ├── request.html
│ │ │ │ └── response.html
│ │ │ ├── file/
│ │ │ │ ├── blob.html
│ │ │ │ └── file.html
│ │ │ ├── html/
│ │ │ │ ├── abort_controller.html
│ │ │ │ ├── canvas.html
│ │ │ │ ├── dataset.html
│ │ │ │ ├── document.html
│ │ │ │ ├── element.html
│ │ │ │ ├── error_event.html
│ │ │ │ ├── history/
│ │ │ │ │ ├── history.html
│ │ │ │ │ ├── history2.html
│ │ │ │ │ └── history_after_nav.skip.html
│ │ │ │ ├── image.html
│ │ │ │ ├── input.html
│ │ │ │ ├── link.html
│ │ │ │ ├── location.html
│ │ │ │ ├── navigation/
│ │ │ │ │ ├── navigation.html
│ │ │ │ │ ├── navigation_after_nav.skip.html
│ │ │ │ │ └── navigation_currententrychange.html
│ │ │ │ ├── navigator.html
│ │ │ │ ├── screen.html
│ │ │ │ ├── script/
│ │ │ │ │ ├── dynamic_import.html
│ │ │ │ │ ├── import.html
│ │ │ │ │ ├── import.js
│ │ │ │ │ ├── import2.js
│ │ │ │ │ ├── importmap.html
│ │ │ │ │ ├── inline_defer.html
│ │ │ │ │ ├── inline_defer.js
│ │ │ │ │ ├── order.html
│ │ │ │ │ ├── order.js
│ │ │ │ │ ├── order_async.js
│ │ │ │ │ ├── order_defer.js
│ │ │ │ │ └── script.html
│ │ │ │ ├── select.html
│ │ │ │ ├── slot.html
│ │ │ │ ├── style.html
│ │ │ │ └── svg.html
│ │ │ ├── storage/
│ │ │ │ └── local_storage.html
│ │ │ ├── streams/
│ │ │ │ └── readable_stream.html
│ │ │ ├── testing.js
│ │ │ ├── url/
│ │ │ │ ├── url.html
│ │ │ │ └── url_search_params.html
│ │ │ ├── window/
│ │ │ │ ├── frames.html
│ │ │ │ └── window.html
│ │ │ ├── xhr/
│ │ │ │ ├── form_data.html
│ │ │ │ ├── progress_event.html
│ │ │ │ └── xhr.html
│ │ │ └── xmlserializer.html
│ │ ├── mcp_actions.html
│ │ ├── media/
│ │ │ ├── mediaerror.html
│ │ │ └── vttcue.html
│ │ ├── message_channel.html
│ │ ├── mutation_observer/
│ │ │ ├── attribute_filter.html
│ │ │ ├── character_data.html
│ │ │ ├── childlist.html
│ │ │ ├── multiple_observers.html
│ │ │ ├── mutation_observer.html
│ │ │ ├── mutations_during_callback.html
│ │ │ ├── observe_multiple_targets.html
│ │ │ ├── reobserve_same_target.html
│ │ │ └── subtree.html
│ │ ├── navigator/
│ │ │ └── navigator.html
│ │ ├── net/
│ │ │ ├── fetch.html
│ │ │ ├── form_data.html
│ │ │ ├── headers.html
│ │ │ ├── request.html
│ │ │ ├── response.html
│ │ │ ├── url_search_params.html
│ │ │ └── xhr.html
│ │ ├── node/
│ │ │ ├── adoption.html
│ │ │ ├── append_child.html
│ │ │ ├── base_uri.html
│ │ │ ├── child_nodes.html
│ │ │ ├── clone_node.html
│ │ │ ├── compare_document_position.html
│ │ │ ├── insert_before.html
│ │ │ ├── is_connected.html
│ │ │ ├── is_equal_node.html
│ │ │ ├── node.html
│ │ │ ├── node_iterator.html
│ │ │ ├── normalize.html
│ │ │ ├── noscript_serialization.html
│ │ │ ├── owner.html
│ │ │ ├── remove_child.html
│ │ │ ├── replace_child.html
│ │ │ ├── text_content.html
│ │ │ ├── tree.html
│ │ │ └── tree_walker.html
│ │ ├── page/
│ │ │ ├── blob.html
│ │ │ ├── load_event.html
│ │ │ ├── meta.html
│ │ │ ├── mod1.js
│ │ │ ├── module.html
│ │ │ └── modules/
│ │ │ ├── base.js
│ │ │ ├── circular-a.js
│ │ │ ├── circular-b.js
│ │ │ ├── dynamic-chain-a.js
│ │ │ ├── dynamic-chain-b.js
│ │ │ ├── dynamic-chain-c.js
│ │ │ ├── dynamic-circular-x.js
│ │ │ ├── dynamic-circular-y.js
│ │ │ ├── importer.js
│ │ │ ├── mixed-circular-dynamic.js
│ │ │ ├── mixed-circular-static.js
│ │ │ ├── re-exporter.js
│ │ │ ├── self_async.js
│ │ │ ├── shared.js
│ │ │ ├── syntax-error.js
│ │ │ ├── test-404.js
│ │ │ └── test-syntax-error.js
│ │ ├── performance.html
│ │ ├── performance_observer/
│ │ │ └── performance_observer.html
│ │ ├── polyfill/
│ │ │ └── webcomponents.html
│ │ ├── processing_instruction.html
│ │ ├── range.html
│ │ ├── range_mutations.html
│ │ ├── selection.html
│ │ ├── shadowroot/
│ │ │ ├── basic.html
│ │ │ ├── custom_elements.html
│ │ │ ├── dom_traversal.html
│ │ │ ├── dump.html
│ │ │ ├── edge_cases.html
│ │ │ ├── events.html
│ │ │ ├── id_collision.html
│ │ │ ├── id_management.html
│ │ │ ├── innerHTML_spec.html
│ │ │ └── scoping.html
│ │ ├── storage.html
│ │ ├── streams/
│ │ │ ├── readable_stream.html
│ │ │ ├── text_decoder_stream.html
│ │ │ └── transform_stream.html
│ │ ├── support/
│ │ │ └── history.html
│ │ ├── testing.js
│ │ ├── url.html
│ │ ├── window/
│ │ │ ├── body_onload1.html
│ │ │ ├── body_onload2.html
│ │ │ ├── body_onload3.html
│ │ │ ├── location.html
│ │ │ ├── named_access.html
│ │ │ ├── onerror.html
│ │ │ ├── report_error.html
│ │ │ ├── screen.html
│ │ │ ├── scroll.html
│ │ │ ├── stubs.html
│ │ │ ├── timers.html
│ │ │ ├── visual_viewport.html
│ │ │ ├── window.html
│ │ │ └── window_event.html
│ │ ├── window_scroll.html
│ │ └── xmlserializer.html
│ └── webapi/
│ ├── AbortController.zig
│ ├── AbortSignal.zig
│ ├── AbstractRange.zig
│ ├── Blob.zig
│ ├── CData.zig
│ ├── CSS.zig
│ ├── Console.zig
│ ├── Crypto.zig
│ ├── CustomElementDefinition.zig
│ ├── CustomElementRegistry.zig
│ ├── DOMException.zig
│ ├── DOMImplementation.zig
│ ├── DOMNodeIterator.zig
│ ├── DOMParser.zig
│ ├── DOMRect.zig
│ ├── DOMTreeWalker.zig
│ ├── Document.zig
│ ├── DocumentFragment.zig
│ ├── DocumentType.zig
│ ├── Element.zig
│ ├── Event.zig
│ ├── EventTarget.zig
│ ├── File.zig
│ ├── FileList.zig
│ ├── FileReader.zig
│ ├── HTMLDocument.zig
│ ├── History.zig
│ ├── IdleDeadline.zig
│ ├── ImageData.zig
│ ├── IntersectionObserver.zig
│ ├── KeyValueList.zig
│ ├── Location.zig
│ ├── MessageChannel.zig
│ ├── MessagePort.zig
│ ├── MutationObserver.zig
│ ├── Navigator.zig
│ ├── Node.zig
│ ├── NodeFilter.zig
│ ├── Performance.zig
│ ├── PerformanceObserver.zig
│ ├── Permissions.zig
│ ├── PluginArray.zig
│ ├── Range.zig
│ ├── ResizeObserver.zig
│ ├── Screen.zig
│ ├── Selection.zig
│ ├── ShadowRoot.zig
│ ├── StorageManager.zig
│ ├── SubtleCrypto.zig
│ ├── TreeWalker.zig
│ ├── URL.zig
│ ├── VisualViewport.zig
│ ├── Window.zig
│ ├── XMLDocument.zig
│ ├── XMLSerializer.zig
│ ├── animation/
│ │ └── Animation.zig
│ ├── canvas/
│ │ ├── CanvasRenderingContext2D.zig
│ │ ├── OffscreenCanvas.zig
│ │ ├── OffscreenCanvasRenderingContext2D.zig
│ │ └── WebGLRenderingContext.zig
│ ├── cdata/
│ │ ├── CDATASection.zig
│ │ ├── Comment.zig
│ │ ├── ProcessingInstruction.zig
│ │ └── Text.zig
│ ├── children.zig
│ ├── collections/
│ │ ├── ChildNodes.zig
│ │ ├── DOMTokenList.zig
│ │ ├── HTMLAllCollection.zig
│ │ ├── HTMLCollection.zig
│ │ ├── HTMLFormControlsCollection.zig
│ │ ├── HTMLOptionsCollection.zig
│ │ ├── NodeList.zig
│ │ ├── RadioNodeList.zig
│ │ ├── iterator.zig
│ │ └── node_live.zig
│ ├── collections.zig
│ ├── css/
│ │ ├── CSSRule.zig
│ │ ├── CSSRuleList.zig
│ │ ├── CSSStyleDeclaration.zig
│ │ ├── CSSStyleProperties.zig
│ │ ├── CSSStyleRule.zig
│ │ ├── CSSStyleSheet.zig
│ │ ├── FontFace.zig
│ │ ├── FontFaceSet.zig
│ │ ├── MediaQueryList.zig
│ │ └── StyleSheetList.zig
│ ├── element/
│ │ ├── Attribute.zig
│ │ ├── DOMStringMap.zig
│ │ ├── Html.zig
│ │ ├── Svg.zig
│ │ ├── html/
│ │ │ ├── Anchor.zig
│ │ │ ├── Area.zig
│ │ │ ├── Audio.zig
│ │ │ ├── BR.zig
│ │ │ ├── Base.zig
│ │ │ ├── Body.zig
│ │ │ ├── Button.zig
│ │ │ ├── Canvas.zig
│ │ │ ├── Custom.zig
│ │ │ ├── DList.zig
│ │ │ ├── Data.zig
│ │ │ ├── DataList.zig
│ │ │ ├── Details.zig
│ │ │ ├── Dialog.zig
│ │ │ ├── Directory.zig
│ │ │ ├── Div.zig
│ │ │ ├── Embed.zig
│ │ │ ├── FieldSet.zig
│ │ │ ├── Font.zig
│ │ │ ├── Form.zig
│ │ │ ├── Generic.zig
│ │ │ ├── HR.zig
│ │ │ ├── Head.zig
│ │ │ ├── Heading.zig
│ │ │ ├── Html.zig
│ │ │ ├── IFrame.zig
│ │ │ ├── Image.zig
│ │ │ ├── Input.zig
│ │ │ ├── LI.zig
│ │ │ ├── Label.zig
│ │ │ ├── Legend.zig
│ │ │ ├── Link.zig
│ │ │ ├── Map.zig
│ │ │ ├── Media.zig
│ │ │ ├── Meta.zig
│ │ │ ├── Meter.zig
│ │ │ ├── Mod.zig
│ │ │ ├── OL.zig
│ │ │ ├── Object.zig
│ │ │ ├── OptGroup.zig
│ │ │ ├── Option.zig
│ │ │ ├── Output.zig
│ │ │ ├── Paragraph.zig
│ │ │ ├── Param.zig
│ │ │ ├── Picture.zig
│ │ │ ├── Pre.zig
│ │ │ ├── Progress.zig
│ │ │ ├── Quote.zig
│ │ │ ├── Script.zig
│ │ │ ├── Select.zig
│ │ │ ├── Slot.zig
│ │ │ ├── Source.zig
│ │ │ ├── Span.zig
│ │ │ ├── Style.zig
│ │ │ ├── Table.zig
│ │ │ ├── TableCaption.zig
│ │ │ ├── TableCell.zig
│ │ │ ├── TableCol.zig
│ │ │ ├── TableRow.zig
│ │ │ ├── TableSection.zig
│ │ │ ├── Template.zig
│ │ │ ├── TextArea.zig
│ │ │ ├── Time.zig
│ │ │ ├── Title.zig
│ │ │ ├── Track.zig
│ │ │ ├── UL.zig
│ │ │ ├── Unknown.zig
│ │ │ └── Video.zig
│ │ └── svg/
│ │ ├── Generic.zig
│ │ └── Rect.zig
│ ├── encoding/
│ │ ├── TextDecoder.zig
│ │ ├── TextDecoderStream.zig
│ │ ├── TextEncoder.zig
│ │ └── TextEncoderStream.zig
│ ├── event/
│ │ ├── CompositionEvent.zig
│ │ ├── CustomEvent.zig
│ │ ├── ErrorEvent.zig
│ │ ├── FocusEvent.zig
│ │ ├── InputEvent.zig
│ │ ├── KeyboardEvent.zig
│ │ ├── MessageEvent.zig
│ │ ├── MouseEvent.zig
│ │ ├── NavigationCurrentEntryChangeEvent.zig
│ │ ├── PageTransitionEvent.zig
│ │ ├── PointerEvent.zig
│ │ ├── PopStateEvent.zig
│ │ ├── ProgressEvent.zig
│ │ ├── PromiseRejectionEvent.zig
│ │ ├── TextEvent.zig
│ │ ├── UIEvent.zig
│ │ └── WheelEvent.zig
│ ├── global_event_handlers.zig
│ ├── media/
│ │ ├── MediaError.zig
│ │ ├── TextTrackCue.zig
│ │ └── VTTCue.zig
│ ├── navigation/
│ │ ├── Navigation.zig
│ │ ├── NavigationActivation.zig
│ │ ├── NavigationHistoryEntry.zig
│ │ └── root.zig
│ ├── net/
│ │ ├── Fetch.zig
│ │ ├── FormData.zig
│ │ ├── Headers.zig
│ │ ├── Request.zig
│ │ ├── Response.zig
│ │ ├── URLSearchParams.zig
│ │ ├── XMLHttpRequest.zig
│ │ └── XMLHttpRequestEventTarget.zig
│ ├── selector/
│ │ ├── List.zig
│ │ ├── Parser.zig
│ │ └── Selector.zig
│ ├── storage/
│ │ ├── Cookie.zig
│ │ └── storage.zig
│ └── streams/
│ ├── ReadableStream.zig
│ ├── ReadableStreamDefaultController.zig
│ ├── ReadableStreamDefaultReader.zig
│ ├── TransformStream.zig
│ ├── WritableStream.zig
│ ├── WritableStreamDefaultController.zig
│ └── WritableStreamDefaultWriter.zig
├── cdp/
│ ├── AXNode.zig
│ ├── Node.zig
│ ├── cdp.zig
│ ├── domains/
│ │ ├── accessibility.zig
│ │ ├── browser.zig
│ │ ├── css.zig
│ │ ├── dom.zig
│ │ ├── emulation.zig
│ │ ├── fetch.zig
│ │ ├── input.zig
│ │ ├── inspector.zig
│ │ ├── log.zig
│ │ ├── lp.zig
│ │ ├── network.zig
│ │ ├── page.zig
│ │ ├── performance.zig
│ │ ├── runtime.zig
│ │ ├── security.zig
│ │ ├── storage.zig
│ │ └── target.zig
│ ├── id.zig
│ └── testing.zig
├── crash_handler.zig
├── crypto.zig
├── data/
│ ├── public_suffix_list.zig
│ └── public_suffix_list_gen.go
├── datetime.zig
├── html5ever/
│ ├── Cargo.toml
│ ├── lib.rs
│ ├── sink.rs
│ └── types.rs
├── id.zig
├── lightpanda.zig
├── log.zig
├── main.zig
├── main_legacy_test.zig
├── main_snapshot_creator.zig
├── mcp/
│ ├── Server.zig
│ ├── protocol.zig
│ ├── resources.zig
│ ├── router.zig
│ └── tools.zig
├── mcp.zig
├── network/
│ ├── Robots.zig
│ ├── Runtime.zig
│ ├── WebBotAuth.zig
│ ├── http.zig
│ └── websocket.zig
├── slab.zig
├── string.zig
├── sys/
│ └── libcurl.zig
├── telemetry/
│ ├── lightpanda.zig
│ └── telemetry.zig
├── test_runner.zig
└── testing.zig
SYMBOL INDEX (101 symbols across 15 files)
FILE: src/browser/tests/legacy/testing.js
function expectEqual (line 14) | function expectEqual(expected, actual) {
function expectError (line 29) | function expectError(expected, fn) {
function withError (line 35) | function withError(cb, fn) {
function skip (line 45) | function skip() {
function assertOk (line 50) | function assertOk() {
function eventually (line 91) | function eventually(fn) {
function async (line 102) | async function async(promise, cb) {
function _recordExecution (line 113) | function _recordExecution() {
function _registerErrorCallback (line 128) | function _registerErrorCallback() {
function _equal (line 151) | function _equal(a, b) {
FILE: src/browser/tests/page/modules/circular-a.js
function getFromB (line 5) | function getFromB() {
FILE: src/browser/tests/page/modules/circular-b.js
function getBValue (line 5) | function getBValue() {
function getFromA (line 9) | function getFromA() {
FILE: src/browser/tests/page/modules/dynamic-chain-a.js
function loadChain (line 1) | async function loadChain() {
FILE: src/browser/tests/page/modules/dynamic-chain-b.js
function loadNext (line 1) | async function loadNext() {
FILE: src/browser/tests/page/modules/dynamic-circular-x.js
function loadY (line 3) | async function loadY() {
FILE: src/browser/tests/page/modules/dynamic-circular-y.js
function loadX (line 3) | async function loadX() {
FILE: src/browser/tests/page/modules/mixed-circular-dynamic.js
function getStaticValue (line 5) | function getStaticValue() {
FILE: src/browser/tests/page/modules/mixed-circular-static.js
function loadDynamicSide (line 3) | async function loadDynamicSide() {
FILE: src/browser/tests/page/modules/shared.js
function increment (line 3) | function increment() {
function getCount (line 7) | function getCount() {
FILE: src/browser/tests/testing.js
function expectTrue (line 8) | function expectTrue(actual) {
function expectFalse (line 12) | function expectFalse(actual) {
function expectEqual (line 16) | function expectEqual(expected, actual, opts) {
function fail (line 31) | function fail(reason) {
function expectError (line 37) | function expectError(expected, fn) {
function withError (line 43) | function withError(cb, fn) {
function eventually (line 55) | function eventually(cb) {
function async (line 66) | async function async(cb) {
function assertOk (line 72) | function assertOk() {
function _equal (line 140) | function _equal(expected, actual) {
function _registerObservation (line 174) | function _registerObservation(status, opts) {
function _currentScriptId (line 195) | function _currentScriptId() {
function _displayValue (line 212) | function _displayValue(value) {
FILE: src/data/public_suffix_list_gen.go
function main (line 10) | func main() {
FILE: src/html5ever/lib.rs
function html5ever_parse_document (line 35) | pub extern "C" fn html5ever_parse_document(
function html5ever_parse_fragment (line 89) | pub extern "C" fn html5ever_parse_fragment(
function html5ever_attribute_iterator_next (line 149) | pub extern "C" fn html5ever_attribute_iterator_next(
function html5ever_attribute_iterator_count (line 171) | pub extern "C" fn html5ever_attribute_iterator_count(c_iter: *const c_vo...
type Memory (line 178) | pub struct Memory {
function html5ever_get_memory_usage (line 185) | pub extern "C" fn html5ever_get_memory_usage() -> Memory {
type StreamingParser (line 199) | pub struct StreamingParser {
function html5ever_streaming_parser_create (line 206) | pub extern "C" fn html5ever_streaming_parser_create(
function html5ever_streaming_parser_feed (line 265) | pub extern "C" fn html5ever_streaming_parser_feed(
function html5ever_streaming_parser_finish (line 300) | pub extern "C" fn html5ever_streaming_parser_finish(parser_ptr: *mut c_v...
function html5ever_streaming_parser_destroy (line 320) | pub extern "C" fn html5ever_streaming_parser_destroy(parser_ptr: *mut c_...
function xml5ever_parse_document (line 333) | pub extern "C" fn xml5ever_parse_document(
FILE: src/html5ever/sink.rs
type Arena (line 30) | type Arena<'arena> = &'arena typed_arena::Arena<ElementData>;
type ElementData (line 33) | pub struct ElementData {
method new (line 38) | fn new(qname: QualName, flags: ElementFlags) -> Self {
type Sink (line 46) | pub struct Sink<'arena> {
type Handle (line 68) | type Handle = *const c_void;
type Output (line 69) | type Output = ();
type ElemName (line 70) | type ElemName<'a>
method finish (line 75) | fn finish(self) -> () {
method parse_error (line 79) | fn parse_error(&self, err: Cow<'static, str>) {
method get_document (line 91) | fn get_document(&self) -> *const c_void {
method set_quirks_mode (line 95) | fn set_quirks_mode(&self, mode: QuirksMode) {
method same_node (line 99) | fn same_node(&self, x: &Ref, y: &Ref) -> bool {
method elem_name (line 103) | fn elem_name(&self, target: &Ref) -> Self::ElemName<'_> {
method get_template_contents (line 109) | fn get_template_contents(&self, target: &Ref) -> Ref {
method is_mathml_annotation_xml_integration_point (line 115) | fn is_mathml_annotation_xml_integration_point(&self, target: &Ref) -> bo...
method pop (line 121) | fn pop(&self, node: &Ref) {
method create_element (line 127) | fn create_element(&self, name: QualName, attrs: Vec<Attribute>, flags: E...
method create_comment (line 142) | fn create_comment(&self, txt: StrTendril) -> Ref {
method create_pi (line 149) | fn create_pi(&self, target: StrTendril, data: StrTendril) -> Ref {
method append (line 157) | fn append(&self, parent: &Ref, child: NodeOrText<Ref>) {
method append_before_sibling (line 193) | fn append_before_sibling(&self, sibling: &Ref, child: NodeOrText<Ref>) {
method append_based_on_parent_node (line 220) | fn append_based_on_parent_node(
method append_doctype_to_document (line 252) | fn append_doctype_to_document(
method add_attrs_if_missing (line 266) | fn add_attrs_if_missing(&self, target: &Ref, attrs: Vec<Attribute>) {
method remove_from_parent (line 278) | fn remove_from_parent(&self, target: &Ref) {
method reparent_children (line 284) | fn reparent_children(&self, node: &Ref, new_parent: &Ref) {
FILE: src/html5ever/types.rs
type CreateElementCallback (line 23) | pub type CreateElementCallback = unsafe extern "C" fn(
type CreateCommentCallback (line 30) | pub type CreateCommentCallback = unsafe extern "C" fn(
type AppendDoctypeToDocumentCallback (line 35) | pub type AppendDoctypeToDocumentCallback = unsafe extern "C" fn(
type CreateProcessingInstruction (line 42) | pub type CreateProcessingInstruction = unsafe extern "C" fn(
type GetDataCallback (line 48) | pub type GetDataCallback = unsafe extern "C" fn(ctx: Ref) -> *mut c_void;
type AppendCallback (line 50) | pub type AppendCallback = unsafe extern "C" fn(
type ParseErrorCallback (line 56) | pub type ParseErrorCallback = unsafe extern "C" fn(ctx: Ref, str: String...
type PopCallback (line 58) | pub type PopCallback = unsafe extern "C" fn(ctx: Ref, node: Ref) -> ();
type AddAttrsIfMissingCallback (line 60) | pub type AddAttrsIfMissingCallback = unsafe extern "C" fn(
type GetTemplateContentsCallback (line 66) | pub type GetTemplateContentsCallback = unsafe extern "C" fn(ctx: Ref, ta...
type RemoveFromParentCallback (line 68) | pub type RemoveFromParentCallback = unsafe extern "C" fn(ctx: Ref, targe...
type ReparentChildrenCallback (line 70) | pub type ReparentChildrenCallback = unsafe extern "C" fn(ctx: Ref, node:...
type AppendBeforeSiblingCallback (line 72) | pub type AppendBeforeSiblingCallback = unsafe extern "C" fn(
type AppendBasedOnParentNodeCallback (line 78) | pub type AppendBasedOnParentNodeCallback = unsafe extern "C" fn(
type Ref (line 85) | pub type Ref = *const c_void;
type CNullable (line 88) | pub struct CNullable<T> {
function none (line 93) | pub fn none() -> CNullable<T> {
function some (line 97) | pub fn some(v: T) -> CNullable<T> {
type Slice (line 103) | pub struct Slice<T> {
method default (line 108) | fn default() -> Self {
type StringSlice (line 113) | pub type StringSlice = Slice<c_uchar>;
type CQualName (line 116) | pub struct CQualName {
method create (line 122) | pub fn create(q: &QualName) -> Self {
method default (line 138) | fn default() -> Self {
type CAttribute (line 148) | pub struct CAttribute {
method default (line 153) | fn default() -> Self {
type CAttributeIterator (line 158) | pub struct CAttributeIterator {
type CNodeOrText (line 164) | pub struct CNodeOrText {
Condensed preview — 697 files, each showing path, character count, and a content snippet. Download the .json file or copy for the full structured content (5,060K chars).
[
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"preview": "name: \"CLA Assistant\"\non:\n issue_comment:\n types: [created]\n pull_request_target:\n types: [opened,closed,synchro"
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"chars": 1559,
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"chars": 259,
"preview": "<!DOCTYPE html>\n<script src=\"../testing.js\"></script>\n\n<script id=comment>\n testing.expectEqual('', new Comment().data)"
},
{
"path": "src/browser/tests/cdata/data.html",
"chars": 250,
"preview": "<!DOCTYPE html>\n<script src=\"../testing.js\"></script>\n\n<div id=a><!-- spice --></div>\n<div id=b>flow</div>\n\n<script id=d"
},
{
"path": "src/browser/tests/cdata/text.html",
"chars": 570,
"preview": "<!DOCTYPE html>\n<a id=\"link\" href=\"foo\" class=\"ok\">OK</a>\n\n<script src=\"../testing.js\"></script>\n<script id=text>\n let "
},
{
"path": "src/browser/tests/cdp/dom1.html",
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"preview": "<p>1</p> <p>2</p>\n"
},
{
"path": "src/browser/tests/cdp/dom2.html",
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"preview": "<div><p>2</p></div>\n"
},
{
"path": "src/browser/tests/cdp/dom3.html",
"chars": 720,
"preview": "<!DOCTYPE html>\n<html>\n<head>\n <title>Test Page</title>\n</head>\n<body>\n <h1>Test Page</h1>\n <nav>\n <a hr"
},
{
"path": "src/browser/tests/cdp/registry1.html",
"chars": 48,
"preview": "<a id=a1>link1</a><div id=d2><p>other</p></div>\n"
},
{
"path": "src/browser/tests/cdp/registry2.html",
"chars": 27,
"preview": "<a id=a1></a><a id=a2></a>\n"
},
{
"path": "src/browser/tests/cdp/registry3.html",
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"preview": "<a id=a1></a><div id=d2><a id=a2></a></div>\n"
},
{
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"chars": 5256,
"preview": "<!DOCTYPE html>\n<script src=\"../testing.js\"></script>\n\n<!-- Test fixtures for RadioNodeList -->\n<form id=\"test_form\">\n "
},
{
"path": "src/browser/tests/console/console.html",
"chars": 545,
"preview": "<!DOCTYPE html>\n<script src=\"../testing.js\"></script>\n\n<script id=\"time\">\n // should not crash\n console.time();\n "
},
{
"path": "src/browser/tests/crypto.html",
"chars": 3882,
"preview": "<!DOCTYPE html>\n<script src=\"testing.js\"></script>\n\n<script id=getRandomValues>\n function isRandom(ta) {\n let uniq ="
},
{
"path": "src/browser/tests/css/font_face.html",
"chars": 1523,
"preview": "<!DOCTYPE html>\n<script src=\"../testing.js\"></script>\n\n<script id=\"constructor_basic\">\n{\n const face = new FontFace(\""
},
{
"path": "src/browser/tests/css/font_face_set.html",
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"chars": 1026,
"preview": "<!DOCTYPE html>\n<head>\n <script src=\"../testing.js\"></script>\n</head>\n\n<body>\n</body>\n\n<script id=matchMedia_basic>\n{\n "
},
{
"path": "src/browser/tests/css/stylesheet.html",
"chars": 13880,
"preview": "<!DOCTYPE html>\n<script src=\"../testing.js\"></script>\n\n<script id=\"document_styleSheets\">\n{\n const sheets = document."
},
{
"path": "src/browser/tests/css.html",
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"preview": "<!DOCTYPE html>\n<script src=\"testing.js\"></script>\n\n<script id=\"exists\">\n testing.expectEqual('object', typeof CSS);\n "
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"chars": 5179,
"preview": "<!DOCTYPE html>\n<body>\n<script src=\"../testing.js\"></script>\n<script id=\"attribute_changed\">\n{\n let callbackCalls = ["
},
{
"path": "src/browser/tests/custom_elements/built_in.html",
"chars": 3586,
"preview": "<!DOCTYPE html>\n<body>\n<script src=\"../testing.js\"></script>\n<script id=\"built_in\">\n{\n class FancyButton extends HTML"
},
{
"path": "src/browser/tests/custom_elements/connected.html",
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"preview": "<!DOCTYPE html>\n<body>\n<script src=\"../testing.js\"></script>\n<script id=\"connected\">\n{\n let connectedCount = 0;\n\n "
},
{
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"preview": "<!DOCTYPE html>\n<head>\n<script src=\"../testing.js\"></script>\n<script>\n{\n // Define the custom element BEFORE the HTML"
},
{
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"preview": "<!DOCTYPE html>\n<script src=\"../testing.js\"></script>\n<script id=\"constructor\">\n{\n let constructorCalled = false;\n "
},
{
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"preview": "<!DOCTYPE html>\n<body>\n<script src=\"../testing.js\"></script>\n<script id=\"disconnected\">\n{\n let disconnectedCount = 0;"
},
{
"path": "src/browser/tests/custom_elements/registry.html",
"chars": 4598,
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{
"path": "src/browser/tests/custom_elements/throw_on_dynamic_markup_insertion.html",
"chars": 2149,
"preview": "<!DOCTYPE html>\n<head>\n<script src=\"../testing.js\"></script>\n<script>\n// Test that document.open/write/close throw Inval"
},
{
"path": "src/browser/tests/custom_elements/upgrade.html",
"chars": 11278,
"preview": "<!DOCTYPE html>\n<body>\n<my-early id=\"early\"></my-early>\n<script src=\"../testing.js\"></script>\n<script id=\"upgrade\">\n{\n "
},
{
"path": "src/browser/tests/document/adopt_import.html",
"chars": 6670,
"preview": "<!DOCTYPE html>\n<script src=\"../testing.js\"></script>\n<div id=\"test-container\">\n <p id=\"test-p\" class=\"test-class\" data"
},
{
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"chars": 2783,
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},
{
"path": "src/browser/tests/document/children.html",
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"preview": "<!DOCTYPE html>\n<script src=\"../testing.js\"></script>\n\n<head>\n <title>Test</title>\n</head>\n<body>\n <div id=\"test\">Cont"
},
{
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"preview": "<!DOCTYPE html>\n<script src=\"../testing.js\"></script>\n\n<form id=\"form1\"></form>\n<img id=\"img1\" src=\"about:blank\">\n<scrip"
},
{
"path": "src/browser/tests/document/create_element.html",
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"preview": "<!DOCTYPE html>\n<body></body>\n<script src=\"../testing.js\"></script>\n<script id=createElement>\n testing.expectEqual(1, d"
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"chars": 2530,
"preview": "<!DOCTYPE html>\n<body></body>\n<script src=\"../testing.js\"></script>\n<script id=createElementNS>\n const htmlDiv1 = docum"
},
{
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"preview": "<!DOCTYPE html>\n<head id=\"the_head\">\n <script src=\"../testing.js\"></script>\n</head>\n\n<body id=the_body>\n</body>\n\n<scrip"
},
{
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"chars": 13406,
"preview": "<!DOCTYPE html>\n<head id=\"the_head\">\n <meta charset=\"UTF-8\">\n <title>Test Document Title</title>\n <script src=\"../tes"
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{
"path": "src/browser/tests/document/element_from_point.html",
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"preview": "<!DOCTYPE html>\n<script src=\"../testing.js\"></script>\n\n<body>\n <div id=\"div1\" style=\"width: 100px; height: 50px;\">Div 1"
},
{
"path": "src/browser/tests/document/focus.html",
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"preview": "<!DOCTYPE html>\n<script src=\"../testing.js\"></script>\n<body>\n <input id=\"input1\" type=\"text\">\n <input id=\"input2\" type"
},
{
"path": "src/browser/tests/document/get_element_by_id.html",
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"preview": "<!DOCTYPE html>\n<body>\n <script src=\"../testing.js\"></script>\n <div id=\"div-1\">x: <p id=p1>d1</p></div>\n</body>\n\n<scri"
},
{
"path": "src/browser/tests/document/get_elements_by_class_name-multiple.html",
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"preview": "<!DOCTYPE html>\n<script src=\"../testing.js\"></script>\n\n<div id=\"div1\" class=\"foo bar\">Div 1</div>\n<div id=\"div2\" class=\""
},
{
"path": "src/browser/tests/document/get_elements_by_class_name.html",
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"preview": "<!DOCTYPE html>\n<script src=\"../testing.js\"></script>\n\n<div class=\"foo\">foo1</div>\n<span class=\"foo\">foo2</span>\n<p clas"
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{
"path": "src/browser/tests/document/get_elements_by_name.html",
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"preview": "<!DOCTYPE html>\n<script src=\"../testing.js\"></script>\n\n<input name=\"username\" value=\"john\">\n<input name=\"password\" type="
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{
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"preview": "<!DOCTYPE html>\n<script src=\"../testing.js\"></script>\n<div>0</div>\n<div>1</div>\n<div>2</div>\n\n<p id=p1></p>\n<p id=p2></p"
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{
"path": "src/browser/tests/document/insert_adjacent_element.html",
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},
{
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},
{
"path": "src/browser/tests/document/query_selector_attributes.html",
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},
{
"path": "src/browser/tests/document/query_selector_edge_cases.html",
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"preview": "<!DOCTYPE html>\n<script src=\"../testing.js\"></script>\n\n<div id=\"root\">\n <div id=\"a\" class=\"x\">\n <p id=\"b\" class=\"y\">"
},
{
"path": "src/browser/tests/document/query_selector_not.html",
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"preview": "<!DOCTYPE html>\n<script src=\"../testing.js\"></script>\n\n<div id=\"root\">\n <div id=\"container\" class=\"parent\">\n <p id=\""
},
{
"path": "src/browser/tests/document/replace_children.html",
"chars": 9588,
"preview": "<!DOCTYPE html>\n<script src=\"../testing.js\"></script>\n\n<head>\n <title>document.replaceChildren Tests</title>\n</head>\n<b"
},
{
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"chars": 5179,
"preview": "<!DOCTYPE html>\n<head>\n <title>document.write Tests</title>\n <script src=\"../testing.js\"></script>\n</head>\n\n<body>\n\n<!"
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{
"path": "src/browser/tests/document_fragment/document_fragment.html",
"chars": 6032,
"preview": "<!DOCTYPE html>\n<script src=\"../testing.js\"></script>\n\n<body></body>\n\n<script id=document_fragment>\n {\n const df = n"
},
{
"path": "src/browser/tests/document_fragment/insertion.html",
"chars": 7769,
"preview": "<!DOCTYPE html>\n<script src=\"../testing.js\"></script>\n\n<div id=\"container\"></div>\n\n<script id=\"appendChildBasic\">\n{\n //"
},
{
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},
{
"path": "src/browser/tests/domexception.html",
"chars": 3862,
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},
{
"path": "src/browser/tests/domimplementation.html",
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},
{
"path": "src/browser/tests/domparser.html",
"chars": 14266,
"preview": "<!DOCTYPE html>\n<script src=\"testing.js\"></script>\n<body></body>\n\n<script id=basic>\n{\n {\n const parser = new DOMPars"
},
{
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{
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"preview": "<!DOCTYPE html>\n<script src=\"../testing.js\"></script>\n\n<div id=attr1 ClasS=\"sHow\"></div>\n\n<script id=attributes>\n const"
},
{
"path": "src/browser/tests/element/bounding_rect.html",
"chars": 1388,
"preview": "<!DOCTYPE html>\n<head>\n <title>Lightpanda Browser demo</title>\n <meta charset=\"UTF-8\">\n</head>\n<body>\n <h1>Lightpanda"
},
{
"path": "src/browser/tests/element/class_list.html",
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},
{
"path": "src/browser/tests/element/closest.html",
"chars": 2709,
"preview": "<!DOCTYPE html>\n<script src=\"../testing.js\"></script>\n<body></body>\n\n<div id=\"outer\" class=\"container\">\n <div id=\"middl"
},
{
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"chars": 4496,
"preview": "<!DOCTYPE html>\n<script src=\"../testing.js\"></script>\n\n<div id=\"test-div\"></div>\n\n<script id=\"camelCaseAccess\">\n{\n cons"
},
{
"path": "src/browser/tests/element/dataset.html",
"chars": 3997,
"preview": "<!DOCTYPE html>\n<script src=\"../testing.js\"></script>\n\n<div id=\"test\" data-foo=\"bar\" data-hello-world=\"test\"></div>\n<div"
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{
"path": "src/browser/tests/element/element.html",
"chars": 5547,
"preview": "<!DOCTYPE html>\n<script src=\"../testing.js\"></script>\n\n<div id=\"container\">\n <!-- comment -->\n <p id=\"p1\">Paragrap"
},
{
"path": "src/browser/tests/element/get_elements_by_class_name.html",
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"preview": "<!DOCTYPE html>\n<script src=\"../testing.js\"></script>\n\n<div id=\"container\" class=\"container-class\">\n <div class=\"foo\" i"
},
{
"path": "src/browser/tests/element/get_elements_by_tag_name.html",
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"preview": "<!DOCTYPE html>\n<script src=\"../testing.js\"></script>\n\n<div id=\"container\">\n <div id=\"div1\">div1</div>\n <p id=\"p1\">p1<"
},
{
"path": "src/browser/tests/element/get_elements_by_tag_name_ns.html",
"chars": 3920,
"preview": "<!DOCTYPE html>\n<script src=\"../testing.js\"></script>\n\n<div id=\"container\" xmlns=\"http://www.w3.org/1999/xhtml\">\n <div "
},
{
"path": "src/browser/tests/element/html/anchor.html",
"chars": 7058,
"preview": "<!DOCTYPE html>\n<script src=\"../../testing.js\"></script>\n\n<!-- Test anchors with various href values -->\n<a id=a0></a>\n<"
},
{
"path": "src/browser/tests/element/html/button.html",
"chars": 3759,
"preview": "<!DOCTYPE html>\n<script src=\"../../testing.js\"></script>\n\n<!-- Button elements -->\n<button id=\"button1\">Click me</button"
},
{
"path": "src/browser/tests/element/html/details.html",
"chars": 1466,
"preview": "<!DOCTYPE html>\n<script src=\"../../testing.js\"></script>\n\n<!-- Details elements -->\n<details id=\"details1\">\n <summary>S"
},
{
"path": "src/browser/tests/element/html/dialog.html",
"chars": 2231,
"preview": "<!DOCTYPE html>\n<script src=\"../../testing.js\"></script>\n\n<!-- Dialog elements -->\n<dialog id=\"dialog1\">Dialog content</"
},
{
"path": "src/browser/tests/element/html/event_listeners.html",
"chars": 18674,
"preview": "<!DOCTYPE html>\n<script src=\"../../testing.js\"></script>\n\n<!-- Test inline event listeners set via HTML attributes -->\n<"
},
{
"path": "src/browser/tests/element/html/fieldset.html",
"chars": 784,
"preview": "<!DOCTYPE html>\n<script src=\"../../testing.js\"></script>\n\n<fieldset id=\"fs1\" disabled name=\"group1\">\n <input type=\"text"
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{
"path": "src/browser/tests/element/html/form.html",
"chars": 12999,
"preview": "<!DOCTYPE html>\n<script src=\"../../testing.js\"></script>\n\n<!-- Test fixtures for form.name -->\n<form id=\"form_with_name\""
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{
"path": "src/browser/tests/element/html/htmlelement-props.html",
"chars": 1461,
"preview": "<!DOCTYPE html>\n<script src=\"../../testing.js\"></script>\n\n<div id=\"d1\" hidden>Hidden div</div>\n<div id=\"d2\">Visible div<"
},
{
"path": "src/browser/tests/element/html/image.html",
"chars": 5215,
"preview": "<!DOCTYPE html>\n<script src=\"../../testing.js\"></script>\n\n<script id=\"Image\">\n{\n let i1 = new Image()\n testing.exp"
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"path": "src/browser/tests/element/html/input-attrs.html",
"chars": 2005,
"preview": "<!DOCTYPE html>\n<script src=\"../../testing.js\"></script>\n\n<input id=\"i1\" placeholder=\"Enter name\" min=\"0\" max=\"100\" step"
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{
"path": "src/browser/tests/element/html/input.html",
"chars": 16455,
"preview": "<!DOCTYPE html>\n<script src=\"../../testing.js\"></script>\n\n<input id=\"text1\" type=\"text\" value=\"initial\">\n<input id=\"text"
},
{
"path": "src/browser/tests/element/html/input_click.html",
"chars": 7985,
"preview": "<!DOCTYPE html>\n<script src=\"../../testing.js\"></script>\n\n<!-- Checkbox click tests -->\n<input id=\"checkbox1\" type=\"chec"
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{
"path": "src/browser/tests/element/html/input_radio.html",
"chars": 5035,
"preview": "<!DOCTYPE html>\n<script src=\"../../testing.js\"></script>\n\n<input id=\"radio1\" type=\"radio\" name=\"group1\" checked>\n<input "
},
{
"path": "src/browser/tests/element/html/label.html",
"chars": 2482,
"preview": "<!DOCTYPE html>\n<script src=\"../../testing.js\"></script>\n\n<label id=\"l1\" for=\"input1\">Name</label>\n<input id=\"input1\">\n\n"
},
{
"path": "src/browser/tests/element/html/li.html",
"chars": 465,
"preview": "<!DOCTYPE html>\n<script src=\"../../testing.js\"></script>\n\n<ol>\n <li id=\"li1\" value=\"5\">Item</li>\n <li id=\"li2\">Item</l"
},
{
"path": "src/browser/tests/element/html/link.html",
"chars": 3168,
"preview": "<!DOCTYPE html>\n<script src=\"../../testing.js\"></script>\n\n<script id=link>\n let l2 = document.createElement('link');\n "
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"path": "src/browser/tests/element/html/media.html",
"chars": 8881,
"preview": "<!DOCTYPE html>\n<script src=\"../../testing.js\"></script>\n\n<audio id=\"audio1\" src=\"test.mp3\"></audio>\n<video id=\"video1\" "
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{
"path": "src/browser/tests/element/html/ol.html",
"chars": 1083,
"preview": "<!DOCTYPE html>\n<script src=\"../../testing.js\"></script>\n\n<ol id=\"ol1\" start=\"5\" reversed type=\"a\">\n <li>Item</li>\n</ol"
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{
"path": "src/browser/tests/element/html/optgroup.html",
"chars": 910,
"preview": "<!DOCTYPE html>\n<script src=\"../../testing.js\"></script>\n\n<select>\n <optgroup id=\"og1\" label=\"Group 1\" disabled>\n <o"
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{
"path": "src/browser/tests/element/html/option.html",
"chars": 3137,
"preview": "<!DOCTYPE html>\n<script src=\"../../testing.js\"></script>\n\n<select id=\"select1\">\n <option id=\"opt1\" value=\"val1\">Text 1<"
},
{
"path": "src/browser/tests/element/html/picture.html",
"chars": 1652,
"preview": "<!DOCTYPE html>\n<script src=\"../../testing.js\"></script>\n\n<!-- <script id=\"createElement\">\n{\n const picture = documen"
},
{
"path": "src/browser/tests/element/html/quote.html",
"chars": 478,
"preview": "<!DOCTYPE html>\n<script src=\"../../testing.js\"></script>\n\n<blockquote id=\"q1\" cite=\"https://example.com/source\">Quote</b"
},
{
"path": "src/browser/tests/element/html/script/async_text.html",
"chars": 1989,
"preview": "<!DOCTYPE html>\n<script src=\"../../../testing.js\"></script>\n\n<script id=force_async>\n{\n // Dynamically created scripts"
},
{
"path": "src/browser/tests/element/html/script/dynamic.html",
"chars": 1149,
"preview": "<!DOCTYPE html>\n<head></head>\n<script src=\"../../../testing.js\"></script>\n\n<script id=append_before_src1>\n loaded1 = 0;"
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{
"path": "src/browser/tests/element/html/script/dynamic1.js",
"chars": 14,
"preview": "loaded1 += 1;\n"
},
{
"path": "src/browser/tests/element/html/script/dynamic2.js",
"chars": 14,
"preview": "loaded2 += 1;\n"
},
{
"path": "src/browser/tests/element/html/script/dynamic_inline.html",
"chars": 1624,
"preview": "<!DOCTYPE html>\n<head></head>\n<script src=\"../../../testing.js\"></script>\n\n<script id=textContent_inline>\n window.inlin"
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{
"path": "src/browser/tests/element/html/script/empty.js",
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},
{
"path": "src/browser/tests/element/html/script/order.html",
"chars": 805,
"preview": "<!DOCTYPE html>\n<script src=\"../../../testing.js\"></script>\n\n<script defer id=\"remote_defer\" src=\"order_defer.js\"></scri"
},
{
"path": "src/browser/tests/element/html/script/order.js",
"chars": 45,
"preview": "list += 'a';\ntesting.expectEqual('a', list);\n"
},
{
"path": "src/browser/tests/element/html/script/order_async.js",
"chars": 50,
"preview": "list += 'f';\ntesting.expectEqual('abcdef', list);\n"
},
{
"path": "src/browser/tests/element/html/script/order_defer.js",
"chars": 49,
"preview": "list += 'e';\ntesting.expectEqual('abcde', list);\n"
},
{
"path": "src/browser/tests/element/html/script/script.html",
"chars": 742,
"preview": "<!DOCTYPE html>\n<script src=\"../../../testing.js\"></script>\n\n<script id=\"script\">\n{\n let dom_load = false;\n let attr"
},
{
"path": "src/browser/tests/element/html/select.html",
"chars": 11608,
"preview": "<!DOCTYPE html>\n<script src=\"../../testing.js\"></script>\n\n<select id=\"select1\">\n <option value=\"val1\">Option 1</option>"
},
{
"path": "src/browser/tests/element/html/slot.html",
"chars": 14749,
"preview": "<!DOCTYPE html>\n<script src=\"../../testing.js\"></script>\n\n<script id=\"Slot#basic_creation\">\n{\n const slot = document."
},
{
"path": "src/browser/tests/element/html/style.html",
"chars": 4048,
"preview": "<!DOCTYPE html>\n<script src=\"../../testing.js\"></script>\n\n<script id=\"sheet\">\n {\n // Disconnected style element shou"
},
{
"path": "src/browser/tests/element/html/tablecell.html",
"chars": 1162,
"preview": "<!DOCTYPE html>\n<script src=\"../../testing.js\"></script>\n\n<table>\n <tr>\n <td id=\"td1\" colspan=\"3\" rowspan=\"2\">Cell</"
},
{
"path": "src/browser/tests/element/html/template.html",
"chars": 6492,
"preview": "<!DOCTYPE html>\n<script src=\"../../testing.js\"></script>\n<body>\n<template id=\"basic\">\n <div class=\"container\">\n <h1>"
},
{
"path": "src/browser/tests/element/html/textarea.html",
"chars": 9476,
"preview": "<!DOCTYPE html>\n<script src=\"../../testing.js\"></script>\n\n<!-- TextArea elements -->\n<textarea id=\"textarea1\">initial te"
},
{
"path": "src/browser/tests/element/html/time.html",
"chars": 435,
"preview": "<!DOCTYPE html>\n<script src=\"../../testing.js\"></script>\n\n<time id=\"t1\" datetime=\"2024-01-15\">January 15</time>\n\n<script"
},
{
"path": "src/browser/tests/element/html/track.html",
"chars": 1770,
"preview": "<!DOCTYPE html>\n<script src=\"../../testing.js\"></script>\n\n<video id=\"video1\">\n <track id=\"track1\" kind=\"subtitles\">\n <"
},
{
"path": "src/browser/tests/element/inner.html",
"chars": 6564,
"preview": "<!DOCTYPE html>\n<script src=\"../testing.js\"></script>\n<div id=d1>hello <em>world</em></div>\n<div id=d2>\n <style>h1 { fo"
},
{
"path": "src/browser/tests/element/inner.js",
"chars": 21,
"preview": "inner_loaded = true;\n"
},
{
"path": "src/browser/tests/element/matches.html",
"chars": 2352,
"preview": "<!DOCTYPE html>\n<script src=\"../testing.js\"></script>\n\n<div id=\"test-container\" class=\"container main\">\n <p class=\"text"
},
{
"path": "src/browser/tests/element/outer.html",
"chars": 1040,
"preview": "<!DOCTYPE html>\n<script src=\"../testing.js\"></script>\n<div id=d1>hello <em>world</em></div>\n\n<script id=outerHTML>\n con"
},
{
"path": "src/browser/tests/element/position.html",
"chars": 3346,
"preview": "<!DOCTYPE html>\n<script src=\"../testing.js\"></script>\n\n<div id=\"test1\">Test Element</div>\n<div id=\"test2\">Another Elemen"
},
{
"path": "src/browser/tests/element/pseudo_classes.html",
"chars": 2727,
"preview": "<!DOCTYPE html>\n<script src=\"../testing.js\"></script>\n\n<div id=\"container\">\n <p id=\"first\">First</p>\n <input type="
},
{
"path": "src/browser/tests/element/query_selector.html",
"chars": 2103,
"preview": "<!DOCTYPE html>\n<script src=\"../testing.js\"></script>\n\n<div id=p1>\n <div id=c2>\n <div id=c3></div>\n </div>\n</div>\n<"
},
{
"path": "src/browser/tests/element/query_selector_all.html",
"chars": 6052,
"preview": "<!DOCTYPE html>\n<script src=\"../testing.js\"></script>\n\n<div id=root>\n <div class=\"item\">Item 1</div>\n <span class=\"ite"
}
]
// ... and 497 more files (download for full content)
About this extraction
This page contains the full source code of the lightpanda-io/browser GitHub repository, extracted and formatted as plain text for AI agents and large language models (LLMs). The extraction includes 697 files (4.6 MB), approximately 1.2M tokens, and a symbol index with 101 extracted functions, classes, methods, constants, and types. Use this with OpenClaw, Claude, ChatGPT, Cursor, Windsurf, or any other AI tool that accepts text input. You can copy the full output to your clipboard or download it as a .txt file.
Extracted by GitExtract — free GitHub repo to text converter for AI. Built by Nikandr Surkov.