feat: add polyfill of URL.canParse for browser compatibility

packages/next-polyfill-module/src/index.js

@@ -161,3 +161,23 @@ if (!Object.hasOwn) {
     return Object.prototype.hasOwnProperty.call(Object(object), property)
   }
 }
+
+/**
+ * Available in:
+ * Edge: 120
+ * Firefox: 115
+ * Chrome: 120
+ * Safari: 17.0
+ *
+ * https://caniuse.com/mdn-api_url_canparse_static
+ */
+// Modified from https://github.com/zloirock/core-js/blob/master/packages/core-js/modules/web.url.can-parse.js
+if (!('canParse' in URL)) {
+  URL.canParse = function (url, base) {
+    try {
+      return !!new URL(url, base)
+    } catch {
+      return false
+    }
+  }
+}

packages/next-polyfill-nomodule/package.json

@@ -14,7 +14,7 @@
     "prepublishOnly": "cd ../../ && turbo run build"
   },
   "devDependencies": {
-    "core-js": "3.6.5",
+    "core-js": "3.38.1",
     "microbundle": "0.15.0",
     "object-assign": "4.1.1",
     "whatwg-fetch": "3.0.0"

packages/next-polyfill-nomodule/src/index.js

@@ -49,6 +49,7 @@ import 'core-js/features/string/trim-left'
 import 'core-js/features/string/trim-right'
 import 'core-js/features/url'
 import 'core-js/features/url/to-json'
+import 'core-js/features/url/can-parse'
 import 'core-js/features/url-search-params'
 import 'core-js/features/weak-map'
 import 'core-js/features/weak-set'

packages/next/src/client/components/react-dev-overlay/internal/helpers/get-socket-url.ts

@@ -1,4 +1,3 @@
-import { canParseUrl } from '../../../../../lib/url'
 import { normalizedAssetPrefix } from '../../../../../shared/lib/normalized-asset-prefix'
 
 function getSocketProtocol(assetPrefix: string): string {
@@ -16,7 +15,7 @@ export function getSocketUrl(assetPrefix: string | undefined): string {
   const prefix = normalizedAssetPrefix(assetPrefix)
   const protocol = getSocketProtocol(assetPrefix || '')
 
-  if (canParseUrl(prefix)) {
+  if (URL.canParse(prefix)) {
     // since normalized asset prefix is ensured to be a URL format,
     // we can safely replace the protocol
     return prefix.replace(/^http/, 'ws')

packages/next/src/lib/url.ts

@@ -20,15 +20,3 @@ export function stripNextRscUnionQuery(relativeUrl: string): string {
 
   return urlInstance.pathname + urlInstance.search
 }
-
-export function canParseUrl(url: string): boolean {
-  if (typeof URL.canParse === 'function') {
-    return URL.canParse(url)
-  }
-  try {
-    new URL(url)
-    return true
-  } catch {}
-
-  return false
-}

packages/next/src/server/lib/router-server.ts

@@ -47,7 +47,6 @@ import {
 } from '../dev/hot-reloader-types'
 import { normalizedAssetPrefix } from '../../shared/lib/normalized-asset-prefix'
 import { NEXT_PATCH_SYMBOL } from './patch-fetch'
-import { canParseUrl } from '../../lib/url'
 
 const debug = setupDebug('next:router-server:main')
 const isNextFont = (pathname: string | null) =>
@@ -677,7 +676,7 @@ export async function initialize(opts: {
         if (assetPrefix) {
           hmrPrefix = normalizedAssetPrefix(assetPrefix)
 
-          if (canParseUrl(hmrPrefix)) {
+          if (URL.canParse(hmrPrefix)) {
             // remove trailing slash from pathname
             // return empty string if pathname is '/'
             // to avoid conflicts with '/_next' below

packages/next/src/shared/lib/normalized-asset-prefix.ts

@@ -1,5 +1,3 @@
-import { canParseUrl } from '../../lib/url'
-
 export function normalizedAssetPrefix(assetPrefix: string | undefined): string {
   // remove all leading slashes and trailing slashes
   const escapedAssetPrefix = assetPrefix?.replace(/^\/+|\/+$/g, '') || false
@@ -10,7 +8,7 @@ export function normalizedAssetPrefix(assetPrefix: string | undefined): string {
     return ''
   }
 
-  if (canParseUrl(escapedAssetPrefix)) {
+  if (URL.canParse(escapedAssetPrefix)) {
     const url = new URL(escapedAssetPrefix).toString()
     return url.endsWith('/') ? url.slice(0, -1) : url
   }