62 lines
1.3 KiB
JavaScript
Executable File
62 lines
1.3 KiB
JavaScript
Executable File
(function() {
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try {
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addEventListener('message', (event => {
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if ( event.data.id !== 'patterns' ) {
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return;
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}
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const patterns = event.data.patterns || {};
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const js = {};
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for ( let appName in patterns ) {
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if ( patterns.hasOwnProperty(appName) ) {
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js[appName] = {};
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for ( let chain in patterns[appName] ) {
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if ( patterns[appName].hasOwnProperty(chain) ) {
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js[appName][chain] = {};
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for ( let index in patterns[appName][chain] ) {
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const value = detectJs(chain);
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if ( value ) {
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js[appName][chain][index] = 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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postMessage({ id: 'js', js }, '*');
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}), false);
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} catch(e) {
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// Fail quietly
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}
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function detectJs(chain) {
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try {
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const properties = chain.split('.');
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var value = properties.length ? window : null;
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for ( let i = 0; i < properties.length; i ++ ) {
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var property = properties[i];
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if ( value.hasOwnProperty(property) ) {
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value = value[property];
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} else {
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value = null;
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break;
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}
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}
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return typeof value === 'string' ? value : !!value;
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} catch(e) {
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// Fail quietly
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}
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}
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}());
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