feat: add migrate-v2 command

packages/qwik/package.json

@@ -30,7 +30,8 @@
     "@builder.io/qwik": "workspace:^",
     "@builder.io/qwik-dom": "workspace:^",
     "image-size": "^1.0.2",
-    "kleur": "4.1.5"
+    "kleur": "4.1.5",
+    "ignore": "^5.3.1"
   },
   "engines": {
     "node": ">=16.8.0 <18.0.0 || >=18.11"

packages/qwik/src/cli/migrate-v2/replace-package.ts

@@ -0,0 +1,91 @@
+import { basename } from 'path';
+import { isBinaryPath } from './tools/binary-extensions';
+import { visitNotIgnoredFiles } from './tools/visit-not-ignored-files';
+import { readFileSync } from 'fs';
+import { log } from '@clack/prompts';
+
+function writeFileSync(path: string, content: string) {
+  log.info(`"${path}" has been updated`);
+}
+
+export function replacePackage(
+  oldPackageName: string,
+  newPackageName: string
+): void {
+  replacePackageInDependencies(oldPackageName, newPackageName);
+
+  replaceMentions(oldPackageName, newPackageName);
+}
+
+function replacePackageInDependencies(
+  oldPackageName: string,
+  newPackageName: string
+) {
+  visitNotIgnoredFiles('.', (path) => {
+    if (basename(path) !== 'package.json') {
+      return;
+    }
+
+    try {
+      const packageJson = JSON.parse(readFileSync(path, 'utf-8'));
+      for (const deps of [
+        packageJson.dependencies ?? {},
+        packageJson.devDependencies ?? {},
+        packageJson.peerDependencies ?? {},
+        packageJson.optionalDependencies ?? {},
+      ]) {
+        if (oldPackageName in deps) {
+          deps[newPackageName] = deps[oldPackageName];
+          delete deps[oldPackageName];
+        }
+      }
+      writeFileSync(path, JSON.stringify(packageJson, null, 2));
+    } catch (e) {
+      console.warn(
+        `Could not replace ${oldPackageName} with ${newPackageName} in ${path}.`
+      );
+    }
+  });
+}
+
+
+function replaceMentions(
+  oldPackageName: string,
+  newPackageName: string
+) {
+  visitNotIgnoredFiles('.', (path) => {
+    if (isBinaryPath(path)) {
+      return;
+    }
+
+    const ignoredFiles = [
+      'yarn.lock',
+      'package-lock.json',
+      'pnpm-lock.yaml',
+      'bun.lockb',
+      'CHANGELOG.md',
+    ];
+    if (ignoredFiles.includes(basename(path))) {
+      return;
+    }
+
+    try {
+      const contents = readFileSync(path, 'utf-8');
+
+      if (!contents.includes(oldPackageName)) {
+        return;
+      }
+
+      writeFileSync(
+        path,
+        contents.replace(new RegExp(oldPackageName, 'g'), newPackageName)
+      );
+    } catch {
+      // Its **probably** ok, contents can be null if the file is too large or
+      // there was an access exception.
+      log.warn(
+        `An error was thrown when trying to update ${path}. If you believe the migration should have updated it, be sure to review the file and open an issue.`
+      );
+    }
+  });
+}

packages/qwik/src/cli/migrate-v2/run-migration.ts

@@ -0,0 +1,32 @@
+import { confirm, intro, isCancel } from '@clack/prompts';
+import type { AppCommand } from '../utils/app-command';
+import { bgMagenta } from 'kleur/colors';
+import { bye } from '../utils/utils';
+import { replacePackage } from './replace-package';
+
+export async function runV2Migration(app: AppCommand) {
+  intro(
+    `✨  ${bgMagenta(' This command will migrate your Qwik application from v1 to v2 \n')}` +
+      `This includes the following: \n` +
+    //   TODO: package names
+      `  - "@builder.io/qwik", "@builder.io/qwik-city" packages will be rescoped to "@qwik.dev/core" and "@qwik.dev/qwik-city" \n` +
+      `  - related dependencies will be updated \n`
+  );
+  const proceed = await confirm({
+    message: 'Do you want to proceed?',
+    initialValue: true,
+  });
+
+  if (isCancel(proceed) || !proceed) {
+    bye();
+  }
+
+  try {
+      replacePackage('@builder.io/qwik', '@qwik.dev/qwik');
+      replacePackage('@builder.io/qwik-city', '@qwik.dev/city');
+  } catch (error) {
+    console.log(error);
+    throw error
+  }
+
+}