90 lines
1.8 KiB
JavaScript
90 lines
1.8 KiB
JavaScript
import fs from 'fs';
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import path from 'path';
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import helpers from './helpers';
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const { isOSX, isWindows, isLinux } = helpers;
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const log = require('loglevel');
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/**
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* Synchronously find a file or directory
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* @param {RegExp} pattern regex
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* @param {string} base path
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* @param {boolean} [findDir] if true, search results will be limited to only directories
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* @returns {Array}
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*/
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function findSync(pattern, basePath, findDir) {
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const matches = [];
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(function findSyncRecurse(base) {
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let children;
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try {
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children = fs.readdirSync(base);
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} catch (exception) {
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if (exception.code === 'ENOENT') {
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return;
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}
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throw exception;
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}
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children.forEach((child) => {
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const childPath = path.join(base, child);
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const childIsDirectory = fs.lstatSync(childPath).isDirectory();
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const patternMatches = pattern.test(childPath);
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if (!patternMatches) {
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if (!childIsDirectory) {
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return;
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}
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findSyncRecurse(childPath);
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return;
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}
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if (!findDir) {
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matches.push(childPath);
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return;
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}
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if (childIsDirectory) {
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matches.push(childPath);
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}
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});
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})(basePath);
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return matches;
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}
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function linuxMatch() {
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return findSync(/libpepflashplayer\.so/, '/opt/google/chrome')[0];
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}
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function windowsMatch() {
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return findSync(
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/pepflashplayer\.dll/,
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'C:\\Program Files (x86)\\Google\\Chrome',
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)[0];
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}
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function darwinMatch() {
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return findSync(
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/PepperFlashPlayer.plugin/,
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'/Applications/Google Chrome.app/',
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true,
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)[0];
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}
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function inferFlash() {
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if (isOSX()) {
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return darwinMatch();
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}
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if (isWindows()) {
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return windowsMatch();
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}
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if (isLinux()) {
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return linuxMatch();
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}
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log.warn('Unable to determine OS to infer flash player');
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return null;
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}
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export default inferFlash;
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