@pixelshift.ai/gl-conformance/lib/shims/document-shim.js

Khronos WebGL conformance test suite

module.exports = createFakeDocument

var createCanvas = require('./canvas-shim')
var createBody = require('./body-shim')

function FakeDocument (environment) {
  this.__ENV = environment
  this.body = createBody(this)
}

var proto = FakeDocument.prototype

function scanList (list, id) {
  for (var i = 0; i < list.length; ++i) {
    if (list[i].id === id) {
      return list[i]
    }
  }
  return null
}

proto.getElementById = function (id) {
  var canvas = scanList(this.__ENV.canvasList, id)
  if (canvas) {
    return canvas
  }
  var script = this.__ENV.scriptList[id]
  if (script) {
    return script
  }
  return null
}

proto.getElementsByTagName = function (tag) {
  if (tag === 'title') {
    return [
      {innerText: ''}
    ]
  }
  return []
}

proto.createElement = function (type) {
  switch (type) {
    case 'canvas':
      return createCanvas(this.__ENV)
  }
  return {}
}

function createFakeDocument (environment) {
  return new FakeDocument(environment)
}