2c6506af65
* Set the id of the inserted <script>. * Check if the <script> still exists before trying to remove it.
43 lines
1.1 KiB
JavaScript
43 lines
1.1 KiB
JavaScript
module.exports = function(el) {
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var code = (el.text || el.textContent || el.innerHTML || "")
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var src = (el.src || "")
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var parent = el.parentNode || document.querySelector("head") || document.documentElement
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var script = document.createElement("script")
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if (code.match("document.write")) {
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if (console && console.log) {
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console.log("Script contains document.write. Can’t be executed correctly. Code skipped ", el)
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}
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return false
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}
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script.type = "text/javascript"
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script.id = el.id;
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/* istanbul ignore if */
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if (src !== "") {
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script.src = src
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script.async = false // force synchronous loading of peripheral JS
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}
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if (code !== "") {
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try {
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script.appendChild(document.createTextNode(code))
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}
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catch (e) {
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/* istanbul ignore next */
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// old IEs have funky script nodes
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script.text = code
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}
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}
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// execute
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parent.appendChild(script)
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// avoid pollution only in head or body tags
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if ((parent instanceof HTMLHeadElement || parent instanceof HTMLBodyElement) && parent.contains(script)) {
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parent.removeChild(script)
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}
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return true
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}
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