mirror of
https://github.com/vector-im/element-web.git
synced 2024-11-16 21:24:59 +08:00
92 lines
2.9 KiB
JavaScript
Executable File
92 lines
2.9 KiB
JavaScript
Executable File
#!/usr/bin/env node
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const fs = require('fs');
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const path = require('path');
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const glob = require('glob');
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const util = require('util');
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const args = require('minimist')(process.argv);
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const chokidar = require('chokidar');
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const componentIndex = path.join('src', 'component-index.js');
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const componentIndexTmp = componentIndex+".tmp";
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const componentsDir = path.join('src', 'components');
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const componentJsGlob = '**/*.js';
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const componentTsGlob = '**/*.tsx';
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let prevFiles = [];
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async function reskindex() {
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const jsFiles = glob.sync(componentJsGlob, {cwd: componentsDir}).sort();
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const tsFiles = glob.sync(componentTsGlob, {cwd: componentsDir}).sort();
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const files = [...tsFiles, ...jsFiles];
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if (!filesHaveChanged(files, prevFiles)) {
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return;
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}
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prevFiles = files;
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const header = args.h || args.header;
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const strm = fs.createWriteStream(componentIndexTmp);
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if (header) {
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strm.write(fs.readFileSync(header));
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strm.write('\n');
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}
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strm.write("/*\n");
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strm.write(" * THIS FILE IS AUTO-GENERATED\n");
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strm.write(" * You can edit it you like, but your changes will be overwritten,\n");
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strm.write(" * so you'd just be trying to swim upstream like a salmon.\n");
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strm.write(" * You are not a salmon.\n");
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strm.write(" */\n\n");
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strm.write("let components = {};\n");
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for (let i = 0; i < files.length; ++i) {
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const file = files[i].replace('.js', '').replace('.tsx', '');
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const moduleName = (file.replace(/\//g, '.'));
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const importName = moduleName.replace(/\./g, "$");
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strm.write("import " + importName + " from './components/" + file + "';\n");
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strm.write(importName + " && (components['"+moduleName+"'] = " + importName + ");");
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strm.write('\n');
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strm.uncork();
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}
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strm.write("export {components};\n");
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// Ensure the file has been fully written to disk before proceeding
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await util.promisify(strm.end);
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fs.rename(componentIndexTmp, componentIndex, function(err) {
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if (err) {
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console.error("Error moving new index into place: " + err);
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} else {
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console.log('Reskindex: completed');
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}
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});
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}
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// Expects both arrays of file names to be sorted
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function filesHaveChanged(files, prevFiles) {
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if (files.length !== prevFiles.length) {
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return true;
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}
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// Check for name changes
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for (let i = 0; i < files.length; i++) {
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if (prevFiles[i] !== files[i]) {
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return true;
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}
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}
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return false;
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}
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// -w indicates watch mode where any FS events will trigger reskindex
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if (!args.w) {
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reskindex();
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return;
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}
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let watchDebouncer = null;
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chokidar.watch(path.join(componentsDir, componentJsGlob)).on('all', (event, path) => {
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if (path === componentIndex) return;
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if (watchDebouncer) clearTimeout(watchDebouncer);
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watchDebouncer = setTimeout(reskindex, 1000);
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});
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