refactor($core): use some instead of filter when checking route existence (#2751)

hong4rc · web-flow · commit 1aceca11ac1d · 2021-02-15T17:05:15.000+08:00
diff --git a/packages/@vuepress/core/lib/client/redirect.js b/packages/@vuepress/core/lib/client/redirect.js
@@ -50,5 +50,6 @@ export function handleRedirectForCleanUrls (router) {
 }
 
 function isRouteExists (router, path) {
-  return router.options.routes.filter(route => route.path.toLowerCase() === path.toLowerCase()).length > 0
+  const pathLower = path.toLowerCase()
+  return router.options.routes.some(route => route.path.toLowerCase() === pathLower)
 }

Original file line number	Diff line number	Diff line change
`@@ -50,5 +50,6 @@ export function handleRedirectForCleanUrls (router) {`
`50`	`50`	`}`
`51`	`51`
`52`	`52`	`function isRouteExists (router, path) {`
`53`		`- return router.options.routes.filter(route => route.path.toLowerCase() === path.toLowerCase()).length > 0`
	`53`	`+ const pathLower = path.toLowerCase()`
	`54`	`+ return router.options.routes.some(route => route.path.toLowerCase() === pathLower)`
`54`	`55`	`}`