feat: biome

packages/cli/tsup.config.ts

@@ -14,6 +14,9 @@ export default defineConfig({
         'process.env.NODE_DEBUG': 'undefined',
     },
     // minify: true,
+    external: [
+        '@biomejs/js-api',
+    ],
     noExternal: [
         'jscodeshift',
         'ast-types',

packages/unminify/package.json

@@ -35,6 +35,8 @@
     "zod": "^3.22.4"
   },
   "devDependencies": {
+    "@biomejs/js-api": "^0.3.0-nightly.efc084c",
+    "@biomejs/wasm-nodejs": "^1.5.1",
     "@types/jscodeshift": "^0.11.11",
     "@types/prettier": "^2.7.3",
     "@types/yargs": "^17.0.32",

packages/unminify/src/transformations/biome.ts

@@ -0,0 +1,45 @@
+import { Biome, Distribution } from '@biomejs/js-api'
+import { createStringTransformationRule } from '@wakaru/shared/rule'
+
+type FormatConfiguration = Parameters<Biome['applyConfiguration']>[0]
+
+let biome: Biome | null = null
+
+const formatConfig: FormatConfiguration = {
+    formatter: {
+        enabled: true,
+        indentStyle: 'space',
+        indentWidth: 2,
+        lineWidth: 80,
+    },
+    javascript: {
+        formatter: {
+            quoteStyle: 'double',
+            jsxQuoteStyle: 'double',
+            // trailing_comma: 'all',
+            trailingComma: 'es5',
+            semicolons: 'always',
+            arrowParentheses: 'always',
+            bracketSameLine: false,
+            bracketSpacing: true,
+            enabled: true,
+        },
+    },
+}
+
+/**
+ * @url https://github.com/biomejs/biome
+ */
+export default createStringTransformationRule({
+    name: 'prettier',
+    transform: async (code) => {
+        if (!biome) {
+            biome = await Biome.create({
+                distribution: Distribution.NODE,
+            })
+            biome.applyConfiguration(formatConfig)
+        }
+
+        return biome.formatContent(code, { filePath: 'example.js' }).content
+    },
+})

packages/unminify/src/transformations/index.ts

@@ -1,3 +1,4 @@
+import biome from './biome'
 import lebab from './lebab'
 import moduleMapping from './module-mapping'
 import prettier from './prettier'
@@ -38,7 +39,8 @@ import type { TransformationRule } from '@wakaru/shared/rule'
 
 export const transformationRules: TransformationRule[] = [
     // first stage - basically prettify the code
-    prettier.withId('prettier'),
+    // prettier.withId('prettier'),
+    biome,
     moduleMapping,
     unCurlyBraces, // add curly braces so that other transformations can works easier, but generally this is not required
     unSequenceExpression, // curly braces can bring out return sequence expression, so it runs before this
@@ -84,5 +86,6 @@ export const transformationRules: TransformationRule[] = [
     unAsyncAwait,
 
     // last stage - prettify the code again after we finish all the transformations
-    prettier.withId('prettier-1'),
+    // prettier.withId('prettier-1'),
+    biome,
 ]