| 1 |
(function () { |
| 2 |
'use strict'; |
| 3 |
|
| 4 |
function insertAfter(newNode, referenceNode) { |
| 5 |
const parent = referenceNode.parentNode; |
| 6 |
if (parent.lastChild === referenceNode) { |
| 7 |
parent.appendChild(newNode); |
| 8 |
} else { |
| 9 |
parent.insertBefore(newNode, referenceNode.nextSibling); |
| 10 |
} |
| 11 |
} |
| 12 |
|
| 13 |
function getElementByXPath(xPath, doc = document) { |
| 14 |
if (doc.evaluate) { |
| 15 |
return doc.evaluate( |
| 16 |
xPath, |
| 17 |
doc, |
| 18 |
null, |
| 19 |
9, |
| 20 |
null |
| 21 |
).singleNodeValue; |
| 22 |
} |
| 23 |
|
| 24 |
xPath = xPath.replace(/^\/+/, ''); |
| 25 |
const steps = xPath.split('/'); |
| 26 |
let current = doc; |
| 27 |
|
| 28 |
for (let i = 0, l = steps.length; i < l && current; i += 1) { |
| 29 |
const match = /([^\[\]]+)(?:\[(\d+)\])?/.exec(steps[i]); |
| 30 |
if (!match) return null; |
| 31 |
const [, tag, idx] = match; |
| 32 |
const pos = idx ? (idx - 1) : 0; |
| 33 |
current = current.getElementsByTagName(tag)[pos] || null; |
| 34 |
} |
| 35 |
return current; |
| 36 |
} |
| 37 |
|
| 38 |
if (!Array.prototype.filter) { |
| 39 |
Array.prototype.filter = function (callback, thisArg) { |
| 40 |
if (typeof callback !== 'function') throw new TypeError(); |
| 41 |
const out = []; |
| 42 |
for (let i = 0, l = this.length >>> 0; i < l; i += 1) { |
| 43 |
if (i in this) { |
| 44 |
const val = this[i]; |
| 45 |
if (callback.call(thisArg, val, i, this)) out.push(val); |
| 46 |
} |
| 47 |
} |
| 48 |
return out; |
| 49 |
}; |
| 50 |
} |
| 51 |
|
| 52 |
function injectWidgetByXpath(xpath) { |
| 53 |
const anchor = |
| 54 |
getElementByXPath(xpath) || document.getElementById('tbdefault'); |
| 55 |
if (anchor) innerInject(anchor); |
| 56 |
} |
| 57 |
|
| 58 |
function injectWidgetByMarker(markerId) { |
| 59 |
const markerNode = document.getElementById(markerId); |
| 60 |
if (markerNode && markerNode.parentNode) innerInject(markerNode.parentNode); |
| 61 |
} |
| 62 |
|
| 63 |
function innerInject(node) { |
| 64 |
if (!node) return; |
| 65 |
|
| 66 |
const fragment = document.createDocumentFragment(); |
| 67 |
const container = document.createElement('span'); |
| 68 |
const script = document.createElement('script'); |
| 69 |
|
| 70 |
container.insertAdjacentHTML('beforeend', '{{HTML}}'); |
| 71 |
script.text = "{{SCRIPT}}"; |
| 72 |
|
| 73 |
fragment.appendChild(container); |
| 74 |
fragment.appendChild(script); |
| 75 |
insertAfter(fragment, node); |
| 76 |
} |
| 77 |
|
| 78 |
window.insertAfter = insertAfter; |
| 79 |
window.getElementByXPath = getElementByXPath; |
| 80 |
window.injectWidgetByXpath = injectWidgetByXpath; |
| 81 |
window.injectWidgetByMarker = injectWidgetByMarker; |
| 82 |
window.innerInject = innerInject; |
| 83 |
}()); |
| 84 |
|
