Enable esmExternals by default (#29878)

## Bug - [ ] Related issues linked using `fixes #number` - [ ] Integration tests added - [ ] Errors have helpful link attached, see `contributing.md` ## Feature - [ ] Implements an existing feature request or RFC. Make sure the feature request has been accepted for implementation before opening a PR. - [ ] Related issues linked using `fixes #number` - [ ] Integration tests added - [ ] Documentation added - [ ] Telemetry added. In case of a feature if it's used or not. - [ ] Errors have helpful link attached, see `contributing.md` ## Documentation / Examples - [ ] Make sure the linting passes
vercel · Oct 13, 2021 · d622534 · d622534
1 parent d1d7a95
commit d622534
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diff --git a/packages/next/server/config-shared.ts b/packages/next/server/config-shared.ts
@@ -218,7 +218,7 @@ export const defaultConfig: NextConfig = {
     disableOptimizedLoading: false,
     gzipSize: true,
     craCompat: false,
-    esmExternals: false,
+    esmExternals: true,
     staticPageGenerationTimeout: 60,
     // default to 50MB limit
     isrMemoryCacheSize: 50 * 1024 * 1024,

diff --git a/test/integration/externals/next.config.js b/test/integration/externals/next.config.js
diff --git a/test/integration/externals/node_modules/esm-package/correct.js b/test/integration/externals/node_modules/esm-package/correct.js
diff --git a/test/integration/externals/node_modules/esm-package/package.json b/test/integration/externals/node_modules/esm-package/package.json
diff --git a/test/integration/externals/node_modules/esm-package/wrong.mjs b/test/integration/externals/node_modules/esm-package/wrong.mjs
diff --git a/test/integration/externals/node_modules/module-package/correct.js b/test/integration/externals/node_modules/module-package/correct.js
diff --git a/test/integration/externals/node_modules/module-package/package.json b/test/integration/externals/node_modules/module-package/package.json
diff --git a/test/integration/externals/node_modules/module-package/wrong.mjs b/test/integration/externals/node_modules/module-package/wrong.mjs
diff --git a/test/integration/externals/node_modules/preact/compat.js b/test/integration/externals/node_modules/preact/compat.js
diff --git a/test/integration/externals/pages/ssg.js b/test/integration/externals/pages/ssg.js
diff --git a/test/integration/externals/pages/ssr.js b/test/integration/externals/pages/ssr.js
diff --git a/test/integration/externals/pages/static.js b/test/integration/externals/pages/static.js
diff --git a/test/integration/externals/test/index.test.js b/test/integration/externals/test/index.test.js