refactor: extract typescript compiler to own module

Author: eddyerburgh

jest-vue.js

@@ -3,17 +3,11 @@ const compileTemplate = require('./lib/template-compiler')
 const generateSourceMap = require('./lib/generate-source-map')
 const addTemplateMapping = require('./lib/add-template-mapping')
 const convertSourceMap = require('convert-source-map')
-const typescript = require('typescript')
 const compileBabel = require('./lib/compilers/babel-compiler')
+const compileTypescript = require('./lib/compilers/typescript-compiler')
 
 const splitRE = /\r?\n/g
 
-function compileTypescript (scriptContent) {
-  return {
-    code: typescript.transpile(scriptContent)
-  }
-}
-
 function processScript (scriptPart) {
   if (scriptPart.lang === 'typescript' || scriptPart.lang === 'ts') {
     return compileTypescript(scriptPart.content)

lib/compilers/typescript-compiler.js

@@ -0,0 +1,7 @@
+const typescript = require('typescript')
+
+module.exports = function compileTypescript (scriptContent) {
+  return {
+    code: typescript.transpile(scriptContent)
+  }
+}