Issue #417: Should not return empty string so that it is compatible w…

…ith babel (#428)
vuejs · May 2, 2022 · e2c7a56 · e2c7a56
1 parent 89586a0
commit e2c7a56
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Showing 2 changed files with 2 additions and 4 deletions.
diff --git a/packages/vue2-jest/lib/transformers/typescript.js b/packages/vue2-jest/lib/transformers/typescript.js
@@ -21,8 +21,7 @@ module.exports = scriptLang => ({
 
     res.outputText = stripInlineSourceMap(res.outputText)
 
-    const inputSourceMap =
-      res.sourceMapText !== undefined ? JSON.parse(res.sourceMapText) : ''
+    const inputSourceMap = res.sourceMapText && JSON.parse(res.sourceMapText)
 
     const customTransformer =
       getCustomTransformer(vueJestConfig['transform'], 'js') || {}

diff --git a/packages/vue3-jest/lib/transformers/typescript.js b/packages/vue3-jest/lib/transformers/typescript.js
@@ -21,8 +21,7 @@ module.exports = {
 
     res.outputText = stripInlineSourceMap(res.outputText)
 
-    const inputSourceMap =
-      res.sourceMapText !== undefined ? JSON.parse(res.sourceMapText) : ''
+    const inputSourceMap = res.sourceMapText && JSON.parse(res.sourceMapText)
 
     const customTransformer =
       getCustomTransformer(vueJestConfig['transform'], 'js') || {}