Merge pull request #250 from vuejs/lachlan/force-es5

lmiller1990 · web-flow · commit 4eb19bcef252 · 2020-07-03T00:02:40.000+10:00
Force ES5 for TS compilation
diff --git a/lib/utils.js b/lib/utils.js
@@ -67,7 +67,8 @@ const getTsJestConfig = function getTsJestConfig(config) {
   const createTransformer = require('ts-jest').createTransformer
   const tr = createTransformer()
   const { typescript } = tr.configsFor(config)
-  return { compilerOptions: typescript.options }
+  // Force es5 to prevent const vue_1 = require('vue') from conflicting
+  return { compilerOptions: { ...typescript.options, target: 'es5' } }
 }
 
 function isValidTransformer(transformer) {

Original file line number	Diff line number	Diff line change
`@@ -67,7 +67,8 @@ const getTsJestConfig = function getTsJestConfig(config) {`
`67`	`67`	`const createTransformer = require('ts-jest').createTransformer`
`68`	`68`	`const tr = createTransformer()`
`69`	`69`	`const { typescript } = tr.configsFor(config)`
`70`		`- return { compilerOptions: typescript.options }`
	`70`	`+ // Force es5 to prevent const vue_1 = require('vue') from conflicting`
	`71`	`+ return { compilerOptions: { ...typescript.options, target: 'es5' } }`
`71`	`72`	`}`
`72`	`73`
`73`	`74`	`function isValidTransformer(transformer) {`