Fix issue vuejs#25: jscodeshift failed to parse some file (vuejs#32)

* fix: closes vuejs#25, jscodeshift failed to parse some files with special
syntax

* chore: format code with prettier

Author: Alan Wang

bin/vue-codemod.ts

@@ -136,7 +136,7 @@ function processTransformation(
     debug(`Processing ${p}…`)
     const fileInfo = {
       path: p,
-      source: fs.readFileSync(p).toString().split('\r\n').join('\n'),
+      source: fs.readFileSync(p).toString().split('\r\n').join('\n')
     }
     const extension = (/\.([^.]*)$/.exec(fileInfo.path) || [])[0]
     if (!extensions.includes(extension)) {

src/wrapAstTransformation.ts

@@ -15,7 +15,16 @@ export default function astTransformationToJSCodeshiftModule<Params = any>(
 ): Transform {
   const transform: Transform = (file, api, options: Params) => {
     const j = api.jscodeshift
-    const root = j(file.source)
+    let root
+    try {
+      root = j(file.source)
+    } catch (err) {
+      console.error(
+        `JSCodeshift failed to parse ${file.path},` +
+          ` please check whether the syntax is valid`
+      )
+      return
+    }
 
     transformAST({ root, j, filename: file.path }, options)
 

transformations/v-model.ts

@@ -42,7 +42,7 @@ export const transformAST: ASTTransformation = ({ j, root }) => {
   // remove model option
   modelCollection.remove()
 
-  if(!valueNodePath.length) return
+  if (!valueNodePath.length) return
 
   // replace the value with modelValue
   // @ts-ignore

vue-transformations/remove-v-on-native.ts

@@ -60,7 +60,7 @@ function fix(node: Node, source: string): Operation[] {
     modifiers.forEach((mod: any) => {
       if (mod?.name === 'native') {
         const comment =
-        '<!-- native modifier has been removed, please confirm whether the function has been affected  -->'
+          '<!-- native modifier has been removed, please confirm whether the function has been affected  -->'
         const vStartTag = mod.parent.parent.parent
         const vElement = vStartTag.parent
         const siblings = vElement.parent.children