fix: minify at render chunk

Author: sxzz

package.json

@@ -65,7 +65,6 @@
     "prepublishOnly": "pnpm run build"
   },
   "dependencies": {
-    "@ampproject/remapping": "^2.3.0",
     "oxc-minify": "^0.48.2",
     "oxc-resolver": "^4.0.0",
     "oxc-transform": "^0.48.2",
@@ -80,6 +79,7 @@
     "bumpp": "^10.0.2",
     "eslint": "^9.20.0",
     "prettier": "^3.5.0",
+    "rollup": "^4.34.6",
     "tsdown": "^0.5.9",
     "tsx": "^4.19.2",
     "typescript": "^5.7.3",

pnpm-lock.yaml

@@ -1,20 +1,33 @@
 import path from 'node:path'
-import remapping from '@ampproject/remapping'
 import { minify } from 'oxc-minify'
 import { ResolverFactory } from 'oxc-resolver'
 import { transform } from 'oxc-transform'
 import { createUnplugin, type UnpluginInstance } from 'unplugin'
 import { createFilter } from 'unplugin-utils'
 import { resolveOptions, type Options } from './core/options'
+import type { RenderedChunk } from 'rollup'
 
 export const Oxc: UnpluginInstance<Options | undefined, false> = createUnplugin(
   (rawOptions = {}) => {
     const options = resolveOptions(rawOptions)
     const filter = createFilter(options.include, options.exclude)
 
-    const name = 'unplugin-oxc'
+    const renderChunk: any =
+      options.minify !== false
+        ? (code: string, chunk: RenderedChunk) => {
+            const result = minify(chunk.fileName, code, {
+              ...options.minify,
+              sourcemap: options.sourcemap,
+            })
+            return {
+              code: result.code,
+              map: result.map,
+            }
+          }
+        : undefined
+
     return {
-      name,
+      name: 'unplugin-oxc',
       enforce: options.enforce,
 
       resolveId:
@@ -40,34 +53,19 @@ export const Oxc: UnpluginInstance<Options | undefined, false> = createUnplugin(
       },
 
       transform:
-        options.transform !== false || options.minify !== false
+        options.transform !== false
           ? (code, id) => {
-              let map
-              if (options.transform !== false) {
-                const result = transform(id, code, {
-                  ...options.transform,
-                  sourcemap: options.sourcemap,
-                })
-                code = result.code
-                map = result.map
-              }
-
-              if (options.minify !== false) {
-                const result = minify(id, code, {
-                  ...options.minify,
-                  sourcemap: options.sourcemap,
-                })
-                code = result.code
-                if (map && result.map) {
-                  map = remapping([result.map, map], () => null, {})
-                } else {
-                  map = result.map
-                }
-              }
-
-              return { code, map }
+              const result = transform(id, code, {
+                ...options.transform,
+                sourcemap: options.sourcemap,
+              })
+              return { code: result.code, map: result.map }
             }
           : undefined,
+
+      rollup: { renderChunk },
+      rolldown: { renderChunk },
+      vite: { renderChunk },
     }
   },
 )

src/index.ts

@@ -32,11 +32,9 @@ export { Color, foo, node, num, optionalChain };
 
 exports[`rollup > entry-minify.ts 1`] = `
 "// entry-minify.js
-function foo(){return 100}try{foo();}catch(e){}
-
-export { foo };
+function foo(){return 100}try{foo()}catch(e){}export{foo};
 //# sourceMappingURL=entry-minify.js.map
 
 // entry-minify.js.map
-{"version":3,"file":"entry-minify.js","sources":["tests/fixtures/entry-minify.ts"],"sourcesContent":["export function foo(): number {\\n  return 100\\n}\\n\\ntry {\\n  foo()\\n} catch (err) {}\\n"],"names":["err"],"mappings":"AAAO,SAAS,GAAA,EAAc,CAC5B,OACD,GAAA,CAED,GAAI,CACF,GAAK,GACN,CAAQA,MAAAA,CAAAA,CAAK;;;;"}"
+{"version":3,"file":"entry-minify.js","sources":["tests/fixtures/entry-minify.ts"],"sourcesContent":["export function foo(): number {\\n  return 100\\n}\\n\\ntry {\\n  foo()\\n} catch (err) {}\\n"],"names":["err"],"mappings":"AAAO,SAAS,KAAc,CACrB,MAAA,IACR,CAED,GAAI,CACG,KAAA,AACN,OAAQA,EAAK,CAAA"}"
 `;