Remove hasOwnProperty, use undefined (#183)

jshttp · Oct 8, 2024 · 8f3ee9e · 8f3ee9e
1 parent 93a5b97
commit 8f3ee9e
Showing 1 changed file with 5 additions and 6 deletions.
diff --git a/src/index.ts b/src/index.ts
@@ -59,7 +59,6 @@ const domainValueRegExp =
 const pathValueRegExp = /^[\u0020-\u003A\u003D-\u007E]*$/;
 
 const __toString = Object.prototype.toString;
-const __hasOwnProperty = Object.prototype.hasOwnProperty;
 
 const NullObject = /* @__PURE__ */ (() => {
  const C = function () {};
@@ -94,8 +93,8 @@ export interface ParseOptions {
 export function parse(
  str: string,
  options?: ParseOptions,
-): Record<string, string> {
- const obj: Record<string, string> = new NullObject();
+): Record<string, string | undefined> {
+ const obj: Record<string, string | undefined> = new NullObject();
  const len = str.length;
  // RFC 6265 sec 4.1.1, RFC 2616 2.2 defines a cookie name consists of one char minimum, plus '='.
  if (len < 2) return obj;
@@ -121,7 +120,7 @@ export function parse(
  const key = str.slice(keyStartIdx, keyEndIdx);
 
  // only assign once
- if (!__hasOwnProperty.call(obj, key)) {
+ if (obj[key] === undefined) {
  let valStartIdx = startIndex(str, eqIdx + 1, endIdx);
  let valEndIdx = endIndex(str, endIdx, valStartIdx);
 
@@ -134,7 +133,7 @@ export function parse(
  }
 
  const value = dec(str.slice(valStartIdx, valEndIdx));
- if (value !== undefined) obj[key] = value;
+ obj[key] = value;
  }
 
  index = endIdx + 1;
@@ -366,7 +365,7 @@ export function serialize(
 /**
  * URL-decode string value. Optimized to skip native call when no %.
  */
-function decode(str: string): string | undefined {
+function decode(str: string): string {
  if (str.indexOf("%") === -1) return str;
 
  try {