添加错误提示 Meituan-Dianping/mpvue#425

WingGao · WingGao · commit e3f48432fdb0 · 2018-05-08T15:23:59.000+08:00
diff --git a/lib/mp-compiler/parse-ts.js b/lib/mp-compiler/parse-ts.js
@@ -6,6 +6,9 @@ try {
 }
 
 function parseComponentsDeps (scriptContent) {
+  if (ts === null) {
+    throw new Error('Please run `npm install -S typescript` to install TypeScript.')
+  }
   const sourceFile = ts.createSourceFile('test', scriptContent, ts.ScriptTarget.ESNext, /* setParentNodes */ true)
   return delint(sourceFile)
 }

Original file line number	Diff line number	Diff line change
`@@ -6,6 +6,9 @@ try {`
`6`	`6`	`}`
`7`	`7`
`8`	`8`	`function parseComponentsDeps (scriptContent) {`
	`9`	`+ if (ts === null) {`
	`10`	+ throw new Error('Please run `npm install -S typescript` to install TypeScript.')
	`11`	`+ }`
`9`	`12`	`const sourceFile = ts.createSourceFile('test', scriptContent, ts.ScriptTarget.ESNext, /* setParentNodes */ true)`
`10`	`13`	`return delint(sourceFile)`
`11`	`14`	`}`