fix(ssr): remove context

src/core/router/history/base.js

@@ -1,4 +1,4 @@
-import { getBasePath, getPath, isAbsolutePath } from '../util'
+import { getPath, isAbsolutePath } from '../util'
 import { noop } from '../../util/core'
 
 function getAlias (path, alias) {
@@ -18,9 +18,13 @@ export class History {
     this.config = config
   }
 
+  getBasePath() {
+    return this.config.basePath
+  }
+
   getFile (path) {
     const { config } = this
-    const base = getBasePath(config.basePath)
+    const base = this.getBasePath()
 
     path = config.alias ? getAlias(path, config.alias) : path
     path = getFileName(path)

src/core/router/history/hash.js

@@ -20,6 +20,15 @@ export class HashHistory extends History {
     this.mode = 'hash'
   }
 
+  getBasePath() {
+    const path = window.location.pathname || ''
+    const base = this.config.basePath
+
+    return /^(\/|https?:)/g.test(base)
+      ? base
+      : cleanPath(path + '/' + base)
+  }
+
   getCurrentPath () {
     // We can't use location.hash here because it's not
     // consistent across browsers - Firefox will pre-decode it!