perf: reload config via import-without-cache

sxzz · sxzz · commit 0b7e4f41362a · 2025-11-30T08:14:01.000+08:00
diff --git a/package.json b/package.json
@@ -92,6 +92,7 @@
     "cac": "catalog:prod",
     "empathic": "catalog:prod",
     "hookable": "catalog:prod",
+    "import-without-cache": "catalog:prod",
     "obug": "catalog:prod",
     "rolldown": "catalog:prod",
     "rolldown-plugin-dts": "catalog:prod",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
diff --git a/pnpm-workspace.yaml b/pnpm-workspace.yaml
@@ -7,6 +7,9 @@ overrides:
   vite: catalog:docs
 
 catalogs:
+  create:
+    '@clack/prompts': ^0.11.0
+    giget: ^2.0.0
   dev:
     '@sxzz/eslint-config': ^7.4.0
     '@sxzz/prettier-config': ^2.2.6
@@ -22,7 +25,6 @@ catalogs:
     rolldown-plugin-require-cjs: ^0.3.2
     typescript: ~5.9.3
     vitest: ^4.0.14
-
   docs:
     '@shikijs/vitepress-twoslash': ^3.17.0
     '@unocss/eslint-plugin': ^66.5.9
@@ -38,19 +40,22 @@ catalogs:
     vitepress-plugin-llms: ^1.9.3
     vue: ^3.5.25
     vue-tsc: ^3.1.5
-
+  migrate:
+    '@antfu/ni': ^27.0.1
+    consola: ^3.4.2
+    diff: ^8.0.2
   peer:
     '@arethetypeswrong/core': ^0.18.2
     '@vitejs/devtools': ^0.0.0-alpha.18
     publint: ^0.3.15
     unplugin-lightningcss: ^0.4.3
     unplugin-unused: ^0.5.6
-
   prod:
     ansis: ^4.2.0
     cac: ^6.7.14
     empathic: ^2.0.0
     hookable: ^5.5.3
+    import-without-cache: ^0.1.3
     is-in-ci: ^2.0.0
     obug: ^2.1.1
     package-manager-detector: ^1.6.0
@@ -63,15 +68,6 @@ catalogs:
     unconfig-core: ^7.4.1
     unrun: ^0.2.14
 
-  create:
-    '@clack/prompts': ^0.11.0
-    giget: ^2.0.0
-
-  migrate:
-    '@antfu/ni': ^27.0.1
-    consola: ^3.4.2
-    diff: ^8.0.2
-
 ignoredBuiltDependencies:
   - rolldown
   - unrs-resolver
diff --git a/src/config/config.ts b/src/config/config.ts
@@ -3,6 +3,7 @@ import path from 'node:path'
 import process from 'node:process'
 import { pathToFileURL } from 'node:url'
 import { underline } from 'ansis'
+import { init, isSupported } from 'import-without-cache'
 import isInCi from 'is-in-ci'
 import { createDebug } from 'obug'
 import { createConfigCoreLoader } from 'unconfig-core'
@@ -52,11 +53,6 @@ export async function loadViteConfig(
 }
 
 const configPrefix = 'tsdown.config'
-let noCacheLoad = false
-
-export function setNoCacheLoad(): void {
-  noCacheLoad = true
-}
 
 export async function loadConfigFile(
   inlineConfig: InlineConfig,
@@ -110,7 +106,7 @@ export async function loadConfigFile(
     sources,
     cwd,
     stopAt: workspace && path.dirname(workspace),
-  }).load(noCacheLoad)
+  }).load(true)
 
   let exported: UserConfigExport = []
   let file: string | undefined
@@ -146,15 +142,13 @@ type Parser = 'native' | 'unrun'
 function resolveConfigLoader(
   configLoader: InlineConfig['configLoader'] = 'auto',
 ): Parser {
-  if (noCacheLoad) {
-    return 'unrun'
-  } else if (configLoader === 'auto') {
+  if (configLoader === 'auto') {
     const nativeTS = !!(
       process.features.typescript ||
       process.versions.bun ||
       process.versions.deno
     )
-    return nativeTS ? 'native' : 'unrun'
+    return nativeTS && isSupported ? 'native' : 'unrun'
   } else {
     return configLoader === 'native' ? 'native' : 'unrun'
   }
@@ -184,7 +178,18 @@ function createParser(loader: Parser) {
 }
 
 async function nativeImport(id: string) {
-  const mod = await import(pathToFileURL(id).href).catch((error) => {
+  const url = pathToFileURL(id)
+  const importAttributes: Record<string, string> = Object.create(null)
+  if (isSupported) {
+    importAttributes.cache = 'no'
+    init()
+  } else {
+    url.searchParams.set('no-cache', crypto.randomUUID())
+  }
+
+  const mod = await import(url.href, {
+    with: importAttributes,
+  }).catch((error) => {
     const cannotFindModule = error?.message?.includes?.('Cannot find module')
     if (cannotFindModule) {
       const configError = new Error(
diff --git a/src/index.ts b/src/index.ts
@@ -1,13 +1,13 @@
 import path from 'node:path'
 import { fileURLToPath } from 'node:url'
 import { bold, green } from 'ansis'
+import { clearCJSCache } from 'import-without-cache'
 import {
   build as rolldownBuild,
   watch as rolldownWatch,
   type BuildOptions,
   type RolldownWatcher,
 } from 'rolldown'
-import { setNoCacheLoad } from './config/config.ts'
 import {
   resolveConfig,
   type DebugOptions,
@@ -62,8 +62,7 @@ export async function build(
     restarting = true
 
     await Promise.all(disposeCbs.map((cb) => cb()))
-
-    setNoCacheLoad()
+    clearCJSCache()
     build(userOptions)
   }
 
