54 lines
1.4 KiB
JavaScript
54 lines
1.4 KiB
JavaScript
/* eslint-env browser */
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;(function () {
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try {
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const onMessage = ({ data }) => {
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if (!data.wappalyzer || !data.wappalyzer.technologies) {
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return
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}
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const { technologies } = data.wappalyzer
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removeEventListener('message', onMessage)
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postMessage({
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wappalyzer: {
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js: technologies.reduce((technologies, { name, chains }) => {
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chains.forEach((chain, index) => {
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const value = chain
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.split('.')
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.reduce(
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(value, method) =>
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value &&
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value instanceof Object &&
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Object.prototype.hasOwnProperty.call(value, method) &&
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!(Object.getOwnPropertyDescriptor(value, method) || {}).get
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? value[method]
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: '__UNDEFINED__',
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window
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)
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if (value !== '__UNDEFINED__') {
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technologies.push({
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name,
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chain,
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value:
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typeof value === 'string' || typeof value === 'number'
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? value
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: !!value,
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})
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}
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})
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return technologies
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}, []),
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},
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})
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}
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addEventListener('message', onMessage)
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} catch (e) {
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// Fail quietly
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}
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})()
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