SYMBOL INDEX (10 symbols across 3 files)

FILE: src/cli-parser.js
  constant VERSION (line 6) | const VERSION = require('../package.json').version;
  function getOpts (line 24) | function getOpts(argv) {
  function getUserOpts (line 30) | function getUserOpts() {
  function validateAndTransformOpts (line 122) | function validateAndTransformOpts(opts) {
  function validateNumber (line 166) | function validateNumber(val, message) {

FILE: src/index.js
  function render (line 11) | function render(url, filePath, opts) {
  function killPhantom (line 91) | function killPhantom(opts, child) {

FILE: src/url-to-image.js
  function main (line 14) | function main() {
  function renderPage (line 37) | function renderPage(opts) {
  function isString (line 120) | function isString(value) {