updating formatting

alexreardon · May 27, 2024 · d113115 · d113115
1 parent f25cb99
commit d113115
Showing 1 changed file with 14 additions and 0 deletions.
diff --git a/tsup.config.ts b/tsup.config.ts
@@ -7,4 +7,18 @@ export default defineConfig({
   format: ['cjs', 'esm'],
   dts: true,
   tsconfig: './tsconfig.json',
+  plugins: [
+    {
+      // https://github.com/egoist/tsup/issues/953#issuecomment-2132576167
+      // ensuring that all local requires in `.cjs` files import from `.cjs` files.
+      // require('./path') → require('./path.cjs') in `.cjs` files
+      name: 'fix-cjs-require',
+      renderChunk(_, { code }) {
+        if (this.format === 'cjs') {
+          const regex = /require\("(?<import>\.\/.+)"\)/g;
+          return { code: code.replace(regex, "require('$<import>.cjs')") };
+        }
+      },
+    },
+  ],
 });