87 lines
2.5 KiB
JavaScript
Executable File
87 lines
2.5 KiB
JavaScript
Executable File
#!/usr/bin/env node
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var fs = require('fs');
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var path = require('path');
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var glob = require('glob');
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var args = require('optimist').argv;
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var chokidar = require('chokidar');
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var componentIndex = path.join('src', 'component-index.js');
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var componentIndexTmp = componentIndex+".tmp";
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var componentsDir = path.join('src', 'components');
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var componentGlob = '**/*.js';
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var prevFiles = [];
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function reskindex() {
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var files = glob.sync(componentGlob, {cwd: componentsDir}).sort();
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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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var header = args.h || args.header;
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var 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 (var i = 0; i < files.length; ++i) {
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var file = files[i].replace('.js', '');
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var moduleName = (file.replace(/\//g, '.'));
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var 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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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 (var 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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var watchDebouncer = null;
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chokidar.watch(path.join(componentsDir, componentGlob)).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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