refactor: migrate sound data generation logic from build.ts to apps/backend/scripts/build.ts, enhancing project structure and maintainability

Author: tomast1337

apps/backend/scripts/build.ts

@@ -1,36 +1,94 @@
-import { $, build } from 'bun';
-
-await $`rm -rf dist`;
-
-const optionalRequirePackages = [
-  'class-transformer',
-  'class-transformer/storage',
-  'class-validator',
-  '@nestjs/microservices',
-  '@nestjs/websockets',
-  '@fastify/static',
-];
-
-const result = await build({
-  entrypoints: ['./src/main.ts'],
-  outdir: './dist',
-  target: 'bun',
-  minify: false,
-  sourcemap: 'linked',
-  external: optionalRequirePackages.filter((pkg) => {
-    try {
-      require(pkg);
-      return false;
-    } catch (_) {
-      return true;
+import * as Bun from 'bun';
+import { existsSync, mkdirSync, writeFileSync } from 'fs';
+import { resolve } from 'path';
+
+import { getLatestVersionSoundList } from '@nbw/sounds';
+
+const writeSoundList = async () => {
+  function writeJSONFile(
+    dir: string,
+    fileName: string,
+    data: Record<string, any> | string[],
+  ) {
+    const path = resolve(dir, fileName);
+    const jsonString = JSON.stringify(data, null, 0);
+    writeFileSync(path, jsonString);
+  }
+
+  const dataDir = resolve(__dirname, '..', 'public', 'data');
+
+  const soundListPath = 'soundList.json';
+
+  // Try to create the output directory if it doesn't exist
+  try {
+    mkdirSync(dataDir, { recursive: true });
+  } catch (err) {
+    if (err instanceof Error && err.message.includes('EEXIST')) {
+      console.log('Sound data files already exist; skipping generation.');
+      process.exit(0);
     }
-  }),
-  splitting: true,
-});
+  }
+
+  // If the files already exist, exit early
+  const files = [soundListPath].map((fileName) => resolve(dataDir, fileName));
+
+  if (files.every((file) => existsSync(file))) {
+    console.log('Sound data files already exist; skipping generation.');
+    process.exit(0);
+  }
+
+  console.log('Generating sound data files...');
+
+  // Write list of sounds in the latest MC version to a JSON file
+  // Filter the list to only include sounds that match the chosen patterns
+  // (defined in the shared/ module)
+  getLatestVersionSoundList().then((soundList) => {
+    writeJSONFile(dataDir, soundListPath, soundList);
+  });
+};
+
+const build = async () => {
+  await Bun.$`rm -rf dist`;
+
+  const optionalRequirePackages = [
+    'class-transformer',
+    'class-transformer/storage',
+    'class-validator',
+    '@nestjs/microservices',
+    '@nestjs/websockets',
+    '@fastify/static',
+  ];
+
+  const result = await Bun.build({
+    entrypoints: ['./src/main.ts'],
+    outdir: './dist',
+    target: 'bun',
+    minify: false,
+    sourcemap: 'linked',
+    external: optionalRequirePackages.filter((pkg) => {
+      try {
+        require(pkg);
+        return false;
+      } catch (_) {
+        return true;
+      }
+    }),
+    splitting: true,
+  });
+
+  if (!result.success) {
+    console.log(result.logs[0]);
+    process.exit(1);
+  }
 
-if (!result.success) {
-  console.log(result.logs[0]);
-  process.exit(1);
-}
+  console.log('Built successfully!');
+};
 
-console.log('Built successfully!');
+build()
+  .then(() => {
+    writeSoundList();
+  })
+  .catch((err) => {
+    console.error(err);
+    process.exit(1);
+  });

build.ts

@@ -55,8 +55,7 @@
     "test": "cd ./apps/backend && bun test",
     "cy:open": "bun run test:cy",
     "test:cy": "cd ./tests && bun run cy:open",
-    "prettier": "prettier --write .",
-    "build:data": "bun ./build.ts"
+    "prettier": "prettier --write ."
   },
   "keywords": [],
   "author": "",