fix(vitest): throw an error if vitest is imported using require() (#4466

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vitest-dev · Nov 13, 2023 · e5cf141 · e5cf141
1 parent a2d4d22
commit e5cf141
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/packages/vitest/index.cjs b/packages/vitest/index.cjs
@@ -0,0 +1,5 @@
+throw new Error(
+  'Vitest cannot be imported in a CommonJS module using require(). Please use "import" instead.'
+  + '\n\nIf you are using "import" in your source code, then it\'s possible it was bundled into require() automatically by your bundler. '
+  + 'In that case, do not bundle CommonJS output since it will never work with Vitest, or use dynamic import() which is available in all CommonJS modules.',
+)