feat: miniprogram

package.json

@@ -9,6 +9,7 @@
   ],
   "main": "./dist/cjs/full/index.js",
   "module": "./dist/es/full/index.js",
+  "miniprogram": "./dist/miniprogram",
   "exports": {
     ".": {
       "import": "./dist/es/full/index.js",
@@ -171,7 +172,8 @@
     "build:es": "vite build",
     "build:cjs": "tsx ./scripts/build-cjs.ts",
     "build:iife": "tsx ./scripts/build-iife.ts",
-    "build": "conc \"pnpm:build:es\" \"pnpm:build:cjs\" \"pnpm:build:iife\"",
+    "build:miniprogram": "tsx ./scripts/build-miniprogram.ts",
+    "build": "conc \"pnpm:build:es\" \"pnpm:build:cjs\" \"pnpm:build:iife\" \"pnpm:build:miniprogram\"",
     "postbuild:es": "tsc -p ./tsconfig.pkg.json --declarationDir ./dist/es",
     "postbuild:cjs": "tsc -p ./tsconfig.pkg.json --declarationDir ./dist/cjs",
     "postbuild": "conc \"pnpm:copy:wasm\" \"pnpm:docs:build\"",

scripts/babel-plugin-miniprogram-patch.ts

@@ -0,0 +1,14 @@
+import type { PluginItem } from "@babel/core";
+
+export function miniprogramPatch(): PluginItem {
+  return {
+    visitor: {
+      Identifier(path) {
+        if (path.node.name !== "WebAssembly") {
+          return;
+        }
+        path.node.name = "WXWebAssembly";
+      },
+    },
+  };
+}

scripts/build-miniprogram.ts

@@ -0,0 +1,47 @@
+import { writeFile } from "node:fs/promises";
+import { type LibraryOptions, build } from "vite";
+import babel from "vite-plugin-babel";
+import viteConfig from "../vite.config.js";
+import { miniprogramPatch } from "./babel-plugin-miniprogram-patch";
+
+async function buildCjs() {
+  await build({
+    ...viteConfig,
+    build: {
+      ...viteConfig.build,
+      target: ["es2018"],
+      lib: {
+        ...(viteConfig.build?.lib as LibraryOptions),
+        entry: {
+          index: "./src/full/index.ts",
+        },
+        formats: ["cjs"],
+      },
+      outDir: "dist/miniprogram",
+      rollupOptions: {
+        ...viteConfig.build?.rollupOptions,
+        output: {
+          ...viteConfig.build?.rollupOptions?.output,
+          manualChunks: {},
+        },
+      },
+    },
+    plugins: [
+      ...viteConfig.plugins!,
+      babel({
+        babelConfig: {
+          plugins: [miniprogramPatch()],
+        },
+        filter: /zxing_(reader|writer|full)\.js$/,
+        include: /zxing_(reader|writer|full)\.js$/,
+      }),
+    ],
+    configFile: false,
+  });
+  await writeFile(
+    "dist/miniprogram/package.json",
+    `${JSON.stringify({ type: "commonjs" }, undefined, 2)}\n`,
+  );
+}
+
+buildCjs();