Bundle modules into neutral modules

Author: dahlia

fedify/tsdown.config.ts

@@ -2,74 +2,90 @@ import { cp, glob } from "node:fs/promises";
 import { join, sep } from "node:path";
 import { defineConfig } from "tsdown";
 
-export default defineConfig({
-  entry: [
-    "./mod.ts",
-    "./compat/mod.ts",
-    "./federation/mod.ts",
-    "./nodeinfo/mod.ts",
-    "./runtime/mod.ts",
-    "./sig/mod.ts",
-    "./testing/mod.ts",
-    "./vocab/mod.ts",
-    "./webfinger/mod.ts",
-    "./x/cfworkers.ts",
-    "./x/hono.ts",
-    "./x/sveltekit.ts",
-    ...(await Array.fromAsync(glob(`**/*.test.ts`)))
-      .filter((f) =>
-        !f.startsWith(`codegen${sep}`) && f !== `x${sep}denokv.test.ts`
-      )
-      .map((f) => f.replace(sep, "/")),
-  ],
-  dts: true,
-  unbundle: true,
-  external: [/^node:/],
-  inputOptions: {
-    onwarn(warning, defaultHandler) {
-      if (
-        warning.code === "UNRESOLVED_IMPORT" &&
-        warning.id?.endsWith(join("vocab", "vocab.test.ts")) &&
-        warning.exporter === "@std/testing/snapshot"
-      ) {
-        return;
-      } else if (
-        warning.code === "UNRESOLVED_IMPORT" &&
-        warning.id?.endsWith(join("testing", "mod.ts")) &&
-        warning.exporter === "bun:test"
-      ) {
-        return;
-      }
-      defaultHandler(warning);
+export default [
+  defineConfig({
+    entry: [
+      "./testing/mod.ts",
+      ...(await Array.fromAsync(glob(`**/*.test.ts`)))
+        .filter((f) =>
+          !f.startsWith(`codegen${sep}`) && f !== `x${sep}denokv.test.ts`
+        )
+        .map((f) => f.replace(sep, "/")),
+    ],
+    dts: true,
+    unbundle: true,
+    external: [/^node:/],
+    inputOptions: {
+      onwarn(warning, defaultHandler) {
+        if (
+          warning.code === "UNRESOLVED_IMPORT" &&
+          warning.id?.endsWith(join("vocab", "vocab.test.ts")) &&
+          warning.exporter === "@std/testing/snapshot"
+        ) {
+          return;
+        } else if (
+          warning.code === "UNRESOLVED_IMPORT" &&
+          warning.id?.endsWith(join("testing", "mod.ts")) &&
+          warning.exporter === "bun:test"
+        ) {
+          return;
+        }
+        defaultHandler(warning);
+      },
     },
-  },
-  outputOptions: {
-    intro: `
+    outputOptions: {
+      intro: `
       import { Temporal } from "@js-temporal/polyfill";
       import { URLPattern } from "urlpattern-polyfill";
     `,
-  },
-  hooks: {
-    "build:done": async (ctx) => {
-      await cp(
-        join("testing", "fixtures"),
-        join(ctx.options.outDir, "testing", "fixtures"),
-        { recursive: true },
-      );
-      await cp(
-        join("codegen", "schema.yaml"),
-        join(ctx.options.outDir, "codegen", "schema.yaml"),
-        { force: true },
-      );
-      for await (const file of glob(`vocab/**/*.yaml`)) {
+    },
+    hooks: {
+      "build:done": async (ctx) => {
+        await cp(
+          join("testing", "fixtures"),
+          join(ctx.options.outDir, "testing", "fixtures"),
+          { recursive: true },
+        );
         await cp(
-          file,
-          join(ctx.options.outDir, file),
+          join("codegen", "schema.yaml"),
+          join(ctx.options.outDir, "codegen", "schema.yaml"),
           { force: true },
         );
-      }
+        for await (const file of glob(`vocab/**/*.yaml`)) {
+          await cp(
+            file,
+            join(ctx.options.outDir, file),
+            { force: true },
+          );
+        }
+      },
+    },
+  }),
+  defineConfig({
+    entry: [
+      "./mod.ts",
+      "./compat/mod.ts",
+      "./federation/mod.ts",
+      "./nodeinfo/mod.ts",
+      "./runtime/mod.ts",
+      "./sig/mod.ts",
+      "./vocab/mod.ts",
+      "./webfinger/mod.ts",
+      "./x/cfworkers.ts",
+      "./x/hono.ts",
+      "./x/sveltekit.ts",
+    ],
+    dts: true,
+    unbundle: true,
+    platform: "neutral",
+    external: [/^node:/],
+    outputOptions: {
+      intro: `
+      import { Temporal } from "@js-temporal/polyfill";
+      import { URLPattern } from "urlpattern-polyfill";
+    `,
     },
-  },
-});
+  }),
+];
 
 // cSpell: ignore unbundle