From: Eduardo San Martin Morote <posva13@gmail.com>
Date: Sun, 30 Jun 2019 16:00:44 +0000 (+0200)
Subject: fix(query): fix empty query
X-Git-Tag: v4.0.0-alpha.0~324
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5c68ad0f764ea2f2ca4831449b1226696551c68c;p=thirdparty%2Fvuejs%2Frouter.git

fix(query): fix empty query
---

diff --git a/__tests__/query.spec.js b/__tests__/query.spec.js
index fe561dbb..47d3ad10 100644
--- a/__tests__/query.spec.js
+++ b/__tests__/query.spec.js
@@ -15,4 +15,11 @@ describe('parseQuery', () => {
       foo: 'a',
     })
   })
+
+  it('works with an empty string', () => {
+    const emptyQuery = parseQuery('')
+    expect(Object.keys(emptyQuery)).toHaveLength(0)
+    expect(emptyQuery).toEqual({})
+    expect(parseQuery('?')).toEqual({})
+  })
 })
diff --git a/src/history/utils.ts b/src/history/utils.ts
index 70857fcd..3ad84263 100644
--- a/src/history/utils.ts
+++ b/src/history/utils.ts
@@ -54,6 +54,9 @@ export function parseURL(location: string): HistoryLocationNormalized {
 export function parseQuery(search: string): HistoryQuery {
   const hasLeadingIM = search[0] === '?'
   const query: HistoryQuery = {}
+  // avoid creating an object with an empty key and empty value
+  // because of split('&')
+  if (search === '' || search === '?') return query
   const searchParams = (hasLeadingIM ? search.slice(1) : search).split('&')
   for (let i = 0; i < searchParams.length; ++i) {
     const [key, value] = searchParams[i].split('=')