Add script/clean

script/clean

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+#!/usr/bin/env node
+
+'use strict'
+
+const cleanCaches = require('./lib/clean-caches')
+const cleanDependencies = require('./lib/clean-dependencies')
+const cleanOutputDirectory = require('./lib/clean-output-directory')
+const killRunningAtomInstances = require('./lib/kill-running-atom-instances')
+
+killRunningAtomInstances()
+cleanDependencies()
+cleanCaches()
+cleanOutputDirectory()

script/lib/clean-caches.js

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+'use strict'
+
+const fs = require('fs-extra')
+const os = require('os')
+const path = require('path')
+
+const CONFIG = require('../config')
+
+module.exports = function () {
+  const cachePaths = [
+    path.join(CONFIG.repositoryRootPath, 'cache'),
+    path.join(CONFIG.homeDirPath, '.atom', '.node-gyp'),
+    path.join(CONFIG.homeDirPath, '.atom', 'storage'),
+    path.join(CONFIG.homeDirPath, '.atom', '.apm'),
+    path.join(CONFIG.homeDirPath, '.atom', '.npm'),
+    path.join(CONFIG.homeDirPath, '.atom', 'compile-cache'),
+    path.join(CONFIG.homeDirPath, '.atom', 'atom-shell'),
+    path.join(CONFIG.homeDirPath, '.atom', 'electron'),
+    path.join(os.tmpdir(), 'atom-build'),
+    path.join(os.tmpdir(), 'atom-cached-atom-shells')
+  ]
+
+  for (let path of cachePaths) {
+    console.log(`Cleaning ${path}...`)
+    fs.removeSync(path)
+  }
+}

script/lib/kill-running-atom-instances.js

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+const childProcess = require('child_process')
+
+const CONFIG = require('../config.js')
+
+module.exports = function () {
+  if (process.platform === 'win32') {
+    // Use START as a way to ignore error if Atom.exe isnt running
+    childProcess.execSync(`START taskkill /F /IM ${CONFIG.appMetadata.productName}.exe`)
+  } else {
+    childProcess.execSync(`pkill -9 ${CONFIG.appMetadata.productName} || true`)
+  }
+}