mirror of
https://github.com/gravitational/teleport.git
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75 lines
2.1 KiB
JavaScript
75 lines
2.1 KiB
JavaScript
/*
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* Teleport
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* Copyright (C) 2023 Gravitational, Inc.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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const path = require('path');
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const webpack = require('webpack');
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module.exports = function initCompiler({ webpackConfig }) {
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// These callbacks are used to notify a subscriber when the very
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// first webpack compilation happents
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let pendingCallbacks = [];
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const webpackCompiler = webpack(webpackConfig);
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// ProgressPlugin is used to output the compilation progress to console
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new webpack.ProgressPlugin({
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entries: true,
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modules: false,
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profile: false,
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}).apply(webpackCompiler);
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function isLocalIndexHtmlReady() {
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return webpackCompiler.outputFileSystem.existsSync(
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path.join(process.cwd(), '//dist//index.html')
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);
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}
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function readLocalIndexHtml() {
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return webpackCompiler.outputFileSystem.readFileSync(
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path.join(process.cwd(), '//dist//index.html'),
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'utf8'
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);
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}
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function callWhenReady(cb) {
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pendingCallbacks.push(cb);
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}
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// onReady is called every time when webpack compilation finishes
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function onReady() {
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if (isLocalIndexHtmlReady() && pendingCallbacks.length > 0) {
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const cbs = pendingCallbacks;
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pendingCallbacks = [];
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cbs.forEach(cb => {
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cb();
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});
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}
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}
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// subscribe to 'done' events
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webpackCompiler.hooks.done.tap('GravitationalDevServer', onReady);
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return {
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webpackCompiler,
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isLocalIndexHtmlReady,
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readLocalIndexHtml,
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callWhenReady,
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};
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};
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