From c8785597c4cda205aa3caa04c89c9b833146fd30 Mon Sep 17 00:00:00 2001
From: EGOIST <0x142857@gmail.com>
Date: Thu, 9 Dec 2021 15:52:19 +0800
Subject: [PATCH] fix: do not polyfill `import.meta.url`

---
 docs/vite.config.ts       |  6 +++---
 package.json              |  1 +
 pnpm-lock.yaml            |  4 ++--
 scripts/utils.ts          | 24 +++++++++++++++++++++++-
 src/markdown-component.ts |  1 +
 types.d.ts                |  2 ++
 6 files changed, 32 insertions(+), 6 deletions(-)

diff --git a/docs/vite.config.ts b/docs/vite.config.ts
index 8ff30c2..5b67895 100644
--- a/docs/vite.config.ts
+++ b/docs/vite.config.ts
@@ -2,8 +2,8 @@ import { defineConfig } from 'vite'
 import prefresh from '@prefresh/vite'
 import { createConfig } from '../scripts/utils'
 
+const config = createConfig('preact', false, true)
 export default defineConfig({
-  ...createConfig('preact', false, true),
-  // @ts-expect-error
-  plugins: [prefresh()],
+  ...config,
+  plugins: [...(config.plugins || []), prefresh()],
 })
diff --git a/package.json b/package.json
index 951cff9..a12c8be 100644
--- a/package.json
+++ b/package.json
@@ -31,6 +31,7 @@
   "dependencies": {
     "element-in-view": "^0.1.0",
     "htm": "^3.0.4",
+    "magic-string": "^0.25.7",
     "marked": "^2.0.0",
     "preact": "^10.5.12",
     "prismjs": "^1.23.0"
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 043a7db..42f5bbd 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -16,6 +16,7 @@ specifiers:
   esbuild-register: ^3.2.0
   fre: ^2.0.4
   htm: ^3.0.4
+  magic-string: ^0.25.7
   marked: ^2.0.0
   preact: ^10.5.12
   prettier: ^2.2.1
@@ -30,6 +31,7 @@ specifiers:
 dependencies:
   element-in-view: 0.1.0
   htm: 3.0.4
+  magic-string: 0.25.7
   marked: 2.0.1
   preact: 10.5.13
   prismjs: 1.23.0
@@ -1379,7 +1381,6 @@ packages:
     resolution: {integrity: sha512-4CrMT5DOHTDk4HYDlzmwu4FVCcIYI8gauveasrdCu2IKIFOJ3f0v/8MDGJCDL9oD2ppz/Av1b0Nj345H9M+XIA==}
     dependencies:
       sourcemap-codec: 1.4.8
-    dev: true
 
   /marked/2.0.1:
     resolution: {integrity: sha512-5+/fKgMv2hARmMW7DOpykr2iLhl0NgjyELk5yn92iE7z8Se1IS9n3UsFm86hFXIkvMBmVxki8+ckcpjBeyo/hw==}
@@ -1725,7 +1726,6 @@ packages:
 
   /sourcemap-codec/1.4.8:
     resolution: {integrity: sha512-9NykojV5Uih4lgo5So5dtw+f0JgJX30KCNI8gwhz2J9A15wD0Ml6tjHKwf6fTSa6fAdVBdZeNOs9eJ71qCk8vA==}
-    dev: true
 
   /supports-color/5.5.0:
     resolution: {integrity: sha512-QjVjwdXIt408MIiAqCX4oUKsgU2EqAGzs2Ppkm4aQYbjm+ZEWEcW4SfFNTr4uMNZma0ey4f5lgLrkB0aX0QMow==}
diff --git a/scripts/utils.ts b/scripts/utils.ts
index 2bf6b87..11d52ff 100644
--- a/scripts/utils.ts
+++ b/scripts/utils.ts
@@ -4,6 +4,7 @@ import { rollup } from 'rollup'
 import dts from 'rollup-plugin-dts'
 import tsResolve from '@egoist/rollup-plugin-ts-resolve'
 import { UserConfig } from 'vite'
+import MagicString from 'magic-string'
 
 const pkg = JSON.parse(fs.readFileSync('./package.json', 'utf8'))
 
@@ -33,11 +34,32 @@ export const createConfig = (
       PRISM_VERSION: JSON.stringify(require('prismjs/package').version),
       PRISM_LANGUAGES: JSON.stringify(getPrismLanguages()),
     },
+    // plugins: [
+    //   {
+    //     name: 'import_meta_url',
+    //     enforce: 'post',
+    //     renderChunk(code) {
+    //       const index = code.indexOf('import_meta_url')
+
+    //       if (index === -1) return
+    //       const s = new MagicString(code)
+    //       s.overwrite(
+    //         index,
+    //         index + 'import_meta_url'.length,
+    //         'import.meta.url'
+    //       )
+    //       return {
+    //         code: s.toString(),
+    //         map: s.generateMap({ hires: true }),
+    //       }
+    //     },
+    //   },
+    // ],
     build: {
       emptyOutDir: false,
       minify,
       sourcemap: true,
-
+      target: 'esnext',
       rollupOptions: {
         preserveEntrySignatures: 'strict',
         input: isWebsite
diff --git a/src/markdown-component.ts b/src/markdown-component.ts
index 4598ac2..cd808f2 100644
--- a/src/markdown-component.ts
+++ b/src/markdown-component.ts
@@ -1,5 +1,6 @@
 export const MD_PROPS_KEY = `MD_C_PROPS`
 
+// prevent vite from shimming import.meta.url
 let docupUrl = import.meta.url
 if (import.meta.env.DEV) {
   // During dev it's not bundled
diff --git a/types.d.ts b/types.d.ts
index 20bf00b..79d3640 100644
--- a/types.d.ts
+++ b/types.d.ts
@@ -20,3 +20,5 @@ interface Window {
   MD_C_PROPS: any
   _MD_COMPONENTS: Record<string, any>
 }
+
+declare const import_meta_url: string