chore: import upstream snapshot with attribution

frontend/mock/utils.js

@@ -0,0 +1,25 @@
+/**
+ * @param {string} url
+ * @returns {Object}
+ */
+function param2Obj(url) {
+  const search = decodeURIComponent(url.split('?')[1]).replace(/\+/g, ' ')
+  if (!search) {
+    return {}
+  }
+  const obj = {}
+  const searchArr = search.split('&')
+  searchArr.forEach(v => {
+    const index = v.indexOf('=')
+    if (index !== -1) {
+      const name = v.substring(0, index)
+      const val = v.substring(index + 1, v.length)
+      obj[name] = val
+    }
+  })
+  return obj
+}
+
+module.exports = {
+  param2Obj
+}