feat(v8/core): make @sentry/core emit .mjs files

Author: AbhiPrasad

dev-packages/rollup-utils/npmHelpers.mjs

@@ -117,11 +117,16 @@ export function makeBaseNPMConfig(options = {}) {
   });
 }
 
-export function makeNPMConfigVariants(baseConfig) {
+export function makeNPMConfigVariants(baseConfig, options = {}) {
+  const { emitMjs = false } = options;
   const variantSpecificConfigs = [
     { output: { format: 'cjs', dir: path.join(baseConfig.output.dir, 'cjs') } },
     { output: { format: 'esm', dir: path.join(baseConfig.output.dir, 'esm') } },
   ];
 
+  if (emitMjs) {
+    variantSpecificConfigs[1].output.entryFileNames = '[name].mjs';
+  }
+
   return variantSpecificConfigs.map(variant => deepMerge(baseConfig, variant));
 }

packages/core/package.json

@@ -16,8 +16,21 @@
     "types-ts3.8"
   ],
   "main": "build/cjs/index.js",
-  "module": "build/esm/index.js",
+  "module": "build/esm/index.mjs",
   "types": "build/types/index.d.ts",
+  "exports": {
+    "./package.json": "./package.json",
+    ".": {
+      "import": {
+        "types": "./build/types/index.d.ts",
+        "default": "./build/esm/index.mjs"
+      },
+      "require": {
+        "types": "./build/types/index.d.ts",
+        "default": "./build/esm/index.js"
+      }
+    }
+  },
   "typesVersions": {
     "<4.9": {
       "build/types/index.d.ts": [

packages/core/rollup.npm.config.mjs

@@ -1,3 +1,3 @@
 import { makeBaseNPMConfig, makeNPMConfigVariants } from '@sentry-internal/rollup-utils';
 
-export default makeNPMConfigVariants(makeBaseNPMConfig());
+export default makeNPMConfigVariants(makeBaseNPMConfig(), { emitMjs: true });