Migrate command: Use sync-config-tools package

Author: simolus3

cli/package.json

@@ -16,7 +16,7 @@
     "@oclif/plugin-commands": "^4.1.40",
     "@oclif/plugin-help": "^6",
     "@oclif/plugin-plugins": "^5",
-    "@powersync-community/sync-config-rewriter": "^0.1.4",
+    "@powersync/sync-config-tools": "^0.1.1",
     "@powersync/cli-core": "workspace:*",
     "@powersync/cli-plugin-config-edit": "workspace:*",
     "@powersync/cli-plugin-docker": "workspace:*",

cli/src/commands/migrate/sync-rules.ts

@@ -1,6 +1,6 @@
 import { Flags, ux } from '@oclif/core';
-import { instantiate } from '@powersync-community/sync-config-rewriter';
 import { SharedInstanceCommand, SYNC_FILENAME, YAML_SYNC_RULES_SCHEMA } from '@powersync/cli-core';
+import { instantiate } from '@powersync/sync-config-tools';
 import { access, readFile, writeFile } from 'node:fs/promises';
 import { join } from 'node:path';
 import { fileURLToPath } from 'node:url';
@@ -37,9 +37,7 @@ export default class MigrateSyncRules extends SharedInstanceCommand {
 
     const syncInputContent = await readFile(syncInputPath, 'utf8');
 
-    const wasmBuffer = await readFile(
-      fileURLToPath(import.meta.resolve('@powersync-community/sync-config-rewriter/compiled.wasm'))
-    );
+    const wasmBuffer = await readFile(fileURLToPath(import.meta.resolve('@powersync/sync-config-tools/compiled.wasm')));
 
     const SyncStreamsRewriter = await instantiate(wasmBuffer);
 

cli/test/commands/migrate.test.ts

@@ -0,0 +1,44 @@
+import { runCommand } from '@oclif/test';
+import { mkdtempSync, readFileSync, rmSync, writeFileSync } from 'node:fs';
+import { tmpdir } from 'node:os';
+import { join } from 'node:path';
+import { expect, onTestFinished, test } from 'vitest';
+
+import { root } from '../helpers/root.js';
+
+test('migrates from sync rules to sync streams', async () => {
+  const testDirectory = mkdtempSync(join(tmpdir(), 'migrate-test-'));
+  onTestFinished(() => rmSync(testDirectory, { recursive: true }));
+
+  const inputFile = join(testDirectory, 'input.yaml');
+  const outputFile = join(testDirectory, 'output.yaml');
+  writeFileSync(
+    inputFile,
+    `
+bucket_definitions:
+  user_lists:
+    parameters: SELECT request.user_id() as user_id 
+    data:
+      - SELECT * FROM lists WHERE owner_id = bucket.user_id   
+`
+  );
+
+  const result = await runCommand(`migrate sync-rules --input-file ${inputFile} --output-file ${outputFile}`, { root });
+  expect(result.error).toBeUndefined();
+
+  const transformed = readFileSync(outputFile).toString('utf-8');
+  expect(transformed)
+    .toStrictEqual(`# Adds YAML Schema support for VSCode users with the YAML extension installed. This enables features like validation and autocompletion based on the provided schema.
+# yaml-language-server: $schema=https://unpkg.com/@powersync/service-sync-rules@latest/schema/sync_rules.json
+config:
+  edition: 3
+streams:
+  # This Sync Stream has been translated from bucket definitions. There may be more efficient ways to express these queries.
+  # You can add additional queries to this list if you need them.
+  # For details, see the documentation: https://docs.powersync.com/sync/streams/overview
+  migrated_to_streams:
+    auto_subscribe: true
+    queries:
+      - SELECT * FROM lists WHERE owner_id = auth.user_id()
+`);
+});