chore: add getUrlParam

Author: Simon he

src/getUrlParam.ts

@@ -0,0 +1,10 @@
+export function getUrlParam(s?: string): Record<string, string> | undefined {
+  s = (s || window.location.search).split('?')[1]
+  if (!s) return
+  return s.split('&').reduce((pre, cur) => {
+    const [key, value] = cur.split('=')
+    pre[key] = value
+    return pre
+  }, {} as Record<string, string>)
+
+}