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72 lines
1.9 KiB
72 lines
1.9 KiB
/* 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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const toScalar = (value) =>
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typeof value === 'string' || typeof value === 'number' ? value : !!value
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removeEventListener('message', onMessage)
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postMessage({
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wappalyzer: {
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dom: technologies.reduce((technologies, { name, dom }) => {
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try {
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Object.keys(dom).forEach((selector) => {
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let nodes = []
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try {
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nodes = document.querySelectorAll(selector)
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} catch (error) {
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// Continue
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}
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if (!nodes.length) {
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return
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}
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nodes.forEach((node) => {
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dom[selector].forEach(({ properties }) => {
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if (properties) {
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Object.keys(properties).forEach((property) => {
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if (
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Object.prototype.hasOwnProperty.call(node, property)
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) {
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const value = node[property]
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if (typeof value !== 'undefined') {
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technologies.push({
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name,
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selector,
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property,
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value: toScalar(value),
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})
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}
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}
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})
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}
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})
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})
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})
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} catch (error) {
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// Fail quietly
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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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