fix(jest): add externalHelpers:true for jest (#673)

Helper functions will show up in jest test coverage as uncovered lines.
swc-project · Jan 5, 2023 · e353c1a · e353c1a
1 parent 639cae5
commit e353c1a
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/packages/core/index.ts b/packages/core/index.ts
@@ -35,6 +35,7 @@ function transformOption(path: string, options?: Options, jest = false): SwcOpti
     filename: path,
     jsc: {
       target: opts.target ?? DEFAULT_ES_TARGET,
+      externalHelpers: jest ? true : false,
       parser: {
         syntax: 'typescript' as const,
         tsx: typeof opts.jsx !== 'undefined' ? opts.jsx : path.endsWith('.tsx'),