mirror of
https://github.com/dnote/dnote
synced 2026-03-15 06:55:49 +01:00
82 lines
2.6 KiB
JavaScript
82 lines
2.6 KiB
JavaScript
/* Copyright (C) 2019 Monomax Software Pty Ltd
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*
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* This file is part of Dnote.
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*
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* Dnote 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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* Dnote 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 Dnote. If not, see <https://www.gnu.org/licenses/>.
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*/
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// placeholder.js replaces the placeholders in index.html with real values
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// It is needed to load assets whose paths are not fixed because they change
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// every time they are generated.
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const fs = require('fs');
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const path = require('path');
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const publicPath = process.env.PUBLIC_PATH;
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const compiledPath = process.env.COMPILED_PATH;
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const indexHtmlPath = `${publicPath}/index.html`;
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const assetManifestPath = path.resolve(compiledPath, 'webpack-manifest.json');
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let manifest;
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try {
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// eslint-disable-next-line import/no-dynamic-require,global-require
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manifest = require(assetManifestPath);
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// eslint-disable-next-line no-empty
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} catch (e) {}
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const isProduction = process.env.NODE_ENV === 'PRODUCTION';
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const baseURL = process.env.BASE_URL;
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const assetBaseURL = process.env.ASSET_BASE_URL;
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function getJSBundleTag() {
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let jsBundleUrl;
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if (isProduction) {
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jsBundleUrl = `${baseURL}${manifest['app.js']}`;
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} else {
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jsBundleUrl = `${baseURL}/dist/app.js`;
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}
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return `<script src="${jsBundleUrl}"></script>`;
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}
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// Replace the placeholders with real values
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fs.readFile(indexHtmlPath, 'utf8', (err, data) => {
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if (err) {
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console.log('Error while reading index.html');
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console.log(err);
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process.exit(1);
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}
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const jsBundleTag = getJSBundleTag();
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let result = data.replace(/<!--JS_BUNDLE_PLACEHOLDER-->/g, jsBundleTag);
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result = result.replace(/<!--ASSET_BASE_PLACEHOLDER-->/g, assetBaseURL);
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if (isProduction) {
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const cssBundleUrl = `${baseURL}${manifest['app.css']}`;
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const cssBundleTag = `<link rel="stylesheet" href="${cssBundleUrl}" />`;
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result = result.replace(/<!--CSS_BUNDLE_PLACEHOLDER-->/g, cssBundleTag);
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}
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fs.writeFile(indexHtmlPath, result, 'utf8', writeErr => {
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if (writeErr) {
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console.log('Error while writing index.html');
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console.log(writeErr);
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process.exit(1);
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}
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});
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});
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