refactor: rewrite openchrome.applescript to JXA (vitejs#20424)

Author: sapphi-red

packages/vite/bin/openChrome.applescript

@@ -0,0 +1,68 @@
+/*
+Copyright (c) 2015-present, Facebook, Inc.
+
+This source code is licensed under the MIT license found in the
+LICENSE file at
+https://github.com/facebookincubator/create-react-app/blob/master/LICENSE
+*/
+
+/* global Application */
+
+// eslint-disable-next-line @typescript-eslint/no-unused-vars
+function run(argv) {
+  const urlToOpen = argv[0]
+  // Allow requested program to be optional, default to Google Chrome
+  const programName = argv[1] ?? 'Google Chrome'
+
+  const app = Application(programName)
+
+  if (app.windows.length === 0) {
+    app.Window().make()
+  }
+
+  // 1: Looking for tab running debugger then,
+  //    Reload debugging tab if found, then return
+  const found = lookupTabWithUrl(urlToOpen, app)
+  if (found) {
+    found.targetWindow.activeTabIndex = found.targetTabIndex
+    found.targetTab.reload()
+    found.targetWindow.index = 1
+    app.activate()
+    return
+  }
+
+  // 2: Looking for Empty tab
+  //    In case debugging tab was not found
+  //    We try to find an empty tab instead
+  const emptyTabFound = lookupTabWithUrl('chrome://newtab/', app)
+  if (emptyTabFound) {
+    emptyTabFound.targetWindow.activeTabIndex = emptyTabFound.targetTabIndex
+    emptyTabFound.targetTab.url = urlToOpen
+    app.activate()
+    return
+  }
+
+  // 3: Create new tab
+  //    both debugging and empty tab were not found make a new tab with url
+  const firstWindow = app.windows[0]
+  firstWindow.tabs.push(app.Tab({ url: urlToOpen }))
+  app.activate()
+}
+
+/**
+ * Lookup tab with given url
+ */
+function lookupTabWithUrl(lookupUrl, app) {
+  const windows = app.windows()
+  for (const window of windows) {
+    for (const [tabIndex, tab] of window.tabs().entries()) {
+      if (tab.url().includes(lookupUrl)) {
+        return {
+          targetTab: tab,
+          targetTabIndex: tabIndex + 1,
+          targetWindow: window,
+        }
+      }
+    }
+  }
+}

packages/vite/bin/openChrome.js

@@ -77,30 +77,27 @@ async function startBrowserProcess(
 ) {
   // If we're on OS X, the user hasn't specifically
   // requested a different browser, we can try opening
-  // a Chromium browser with AppleScript. This lets us reuse an
+  // a Chromium browser with JXA. This lets us reuse an
   // existing tab when possible instead of creating a new one.
   const preferredOSXBrowser =
     browser === 'google chrome' ? 'Google Chrome' : browser
-  const shouldTryOpenChromeWithAppleScript =
+  const shouldTryOpenChromeWithJXA =
     process.platform === 'darwin' &&
     (!preferredOSXBrowser ||
       supportedChromiumBrowsers.includes(preferredOSXBrowser))
 
-  if (shouldTryOpenChromeWithAppleScript) {
+  if (shouldTryOpenChromeWithJXA) {
     try {
       const ps = await execAsync('ps cax')
       const openedBrowser =
         preferredOSXBrowser && ps.includes(preferredOSXBrowser)
           ? preferredOSXBrowser
           : supportedChromiumBrowsers.find((b) => ps.includes(b))
       if (openedBrowser) {
-        // Try our best to reuse existing tab with AppleScript
-        await execAsync(
-          `osascript openChrome.applescript "${url}" "${openedBrowser}"`,
-          {
-            cwd: join(VITE_PACKAGE_DIR, 'bin'),
-          },
-        )
+        // Try our best to reuse existing tab with JXA
+        await execAsync(`osascript openChrome.js "${url}" "${openedBrowser}"`, {
+          cwd: join(VITE_PACKAGE_DIR, 'bin'),
+        })
         return true
       }
     } catch {