fix: incorrect filepath resolution during dynamic import

src/core/loadFromCode.ts

@@ -1,5 +1,6 @@
 import path from 'node:path'
 import fs, { promises as fsp } from 'node:fs'
+import { pathToFileURL } from 'node:url'
 
 interface LoadFromCodeOptions {
   filepath: string
@@ -18,9 +19,10 @@ export async function loadFromCode<T = any>({
   const fileBase = `${filepath}.timestamp-${Date.now()}`
   const ext = isESM ? '.mjs' : '.cjs'
   const fileNameTmp = `${fileBase}${ext}`
+  const fileUrl = pathToFileURL(fileNameTmp).toString()
   await fsp.writeFile(fileNameTmp, code, 'utf8')
   try {
-    const result = await import(fileNameTmp)
+    const result = await import(fileUrl)
     return result.default || result
   }
   finally {

tsup.config.ts

@@ -1,4 +1,8 @@
+import process from 'node:process'
+import { promises as fsp } from 'node:fs'
+import path from 'node:path'
 import { type Options, defineConfig } from 'tsup'
+import fg from 'fast-glob'
 
 const shared: Options = {
   dts: true,
@@ -7,15 +11,27 @@ const shared: Options = {
   shims: false,
 }
 
+const snippet = 'const result = await Promise.resolve().then(() => _interopRequireWildcard(require(fileUrl)));'
+
 export default defineConfig([{
+  ...shared,
+  entry: ['src/json5-loader.cts'],
+  format: 'cjs',
+  dts: false,
+}, {
   ...shared,
   entry: [
     'src/{index,rsbuild,helper,server}.ts',
   ],
   format: ['cjs', 'esm'],
-}, {
-  ...shared,
-  entry: ['src/json5-loader.cts'],
-  format: 'cjs',
-  dts: false,
+  onSuccess: async () => {
+    const files = await fg('dist/chunk-*.cjs', { cwd: process.cwd() })
+    for (const file of files) {
+      const filepath = path.join(process.cwd(), file)
+      const content = await fsp.readFile(filepath, 'utf-8')
+      if (content.includes(snippet)) {
+        await fsp.writeFile(filepath, content.replace(snippet, 'const result = await import(fileUrl);'), 'utf-8')
+      }
+    }
+  },
 }])