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43 lines
1.0 KiB
43 lines
1.0 KiB
/** |
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* @file |
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* |
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* Watch changes to *.es6.js files and compile them to ES5 during development. |
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* |
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* @internal This file is part of the core javascript build process and is only |
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* meant to be used in that context. |
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*/ |
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'use strict'; |
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const fs = require('fs'); |
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const path = require('path'); |
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const chokidar = require('chokidar'); |
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const changeOrAdded = require('./changeOrAdded'); |
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const log = require('./log'); |
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// Match only on .es6.js files. |
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const fileMatch = './**/*.es6.js'; |
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// Ignore everything in node_modules |
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const watcher = chokidar.watch(fileMatch, { |
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ignoreInitial: true, |
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ignored: './node_modules/**' |
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}); |
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const unlinkHandler = (err) => { |
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if (err) { |
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log(err); |
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} |
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}; |
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// Watch for filesystem changes. |
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watcher |
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.on('add', changeOrAdded) |
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.on('change', changeOrAdded) |
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.on('unlink', (filePath) => { |
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const fileName = filePath.slice(0, -7); |
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fs.stat(`${fileName}.js`, () => { |
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fs.unlink(`${fileName}.js`, unlinkHandler); |
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}); |
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}) |
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.on('ready', () => log(`Watching '${fileMatch}' for changes.`));
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