fix: mayProxy.isPublicFileRequest judgment (#5693)

Blacate · web-flow · commit 0146001f7def · 2020-08-15T00:28:43.000+08:00
diff --git a/packages/@vue/cli-service/lib/util/prepareProxy.js b/packages/@vue/cli-service/lib/util/prepareProxy.js
@@ -49,7 +49,7 @@ module.exports = function prepareProxy (proxy, appPublicFolder) {
   // https://github.com/facebook/create-react-app/issues/6720
   function mayProxy (pathname) {
     const maybePublicPath = path.resolve(appPublicFolder, pathname.slice(1))
-    const isPublicFileRequest = fs.existsSync(maybePublicPath)
+    const isPublicFileRequest = fs.existsSync(maybePublicPath) && fs.statSync(maybePublicPath).isFile()
     const isWdsEndpointRequest = pathname.startsWith('/sockjs-node') // used by webpackHotDevClient
     return !(isPublicFileRequest || isWdsEndpointRequest)
   }

Original file line number	Diff line number	Diff line change
`@@ -49,7 +49,7 @@ module.exports = function prepareProxy (proxy, appPublicFolder) {`
`49`	`49`	`// https://github.com/facebook/create-react-app/issues/6720`
`50`	`50`	`function mayProxy (pathname) {`
`51`	`51`	`const maybePublicPath = path.resolve(appPublicFolder, pathname.slice(1))`
`52`		`- const isPublicFileRequest = fs.existsSync(maybePublicPath)`
	`52`	`+ const isPublicFileRequest = fs.existsSync(maybePublicPath) && fs.statSync(maybePublicPath).isFile()`
`53`	`53`	`const isWdsEndpointRequest = pathname.startsWith('/sockjs-node') // used by webpackHotDevClient`
`54`	`54`	`return !(isPublicFileRequest \|\| isWdsEndpointRequest)`
`55`	`55`	`}`