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/*
* SonarQube
* Copyright (C) 2009-2020 SonarSource SA
* mailto:info AT sonarsource DOT com
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
// Copied from https://github.com/facebook/create-react-app/blob/master/packages/react-dev-utils/InterpolateHtmlPlugin.js
// This Webpack plugin lets us interpolate custom variables into `index.html`.
// Usage: `new InterpolateHtmlPlugin({ 'MY_VARIABLE': 42 })`
// Then, you can use %MY_VARIABLE% in your `index.html`.
// It works in tandem with HtmlWebpackPlugin.
// Learn more about creating plugins like this:
// https://github.com/ampedandwired/html-webpack-plugin#events
'use strict';
const escapeStringRegexp = require('escape-string-regexp');
class InterpolateHtmlPlugin {
constructor(replacements) {
this.replacements = replacements;
}
apply(compiler) {
compiler.hooks.compilation.tap('InterpolateHtmlPlugin', compilation => {
compilation.hooks.htmlWebpackPluginBeforeHtmlProcessing.tap('InterpolateHtmlPlugin', data => {
// Run HTML through a series of user-specified string replacements.
Object.keys(this.replacements).forEach(key => {
const value = this.replacements[key];
data.html = data.html.replace(
new RegExp('%' + escapeStringRegexp(key) + '%', 'g'),
value
);
});
});
});
}
}
module.exports = InterpolateHtmlPlugin;
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