From eb990efcce1e5390e4ed76b858c05c6f9b3b6c11 Mon Sep 17 00:00:00 2001
From: Lino Le Van <11367844+lino-levan@users.noreply.github.com>
Date: Tue, 14 Mar 2023 13:28:33 -0700
Subject: [PATCH] feat(ext/url): URLSearchParams.size (#17884)

---
 ext/url/00_url.js          | 5 +++++
 ext/url/lib.deno_url.d.ts  | 8 ++++++++
 tools/wpt/expectation.json | 1 +
 3 files changed, 14 insertions(+)

diff --git a/ext/url/00_url.js b/ext/url/00_url.js
index 422a239304..c288225e3e 100644
--- a/ext/url/00_url.js
+++ b/ext/url/00_url.js
@@ -302,6 +302,11 @@ class URLSearchParams {
     webidl.assertBranded(this, URLSearchParamsPrototype);
     return ops.op_url_stringify_search_params(this[_list]);
   }
+
+  get size() {
+    webidl.assertBranded(this, URLSearchParamsPrototype);
+    return this[_list].length;
+  }
 }
 
 webidl.mixinPairIterable("URLSearchParams", URLSearchParams, _list, 0, 1);
diff --git a/ext/url/lib.deno_url.d.ts b/ext/url/lib.deno_url.d.ts
index 329f5bf551..0181c6fb34 100644
--- a/ext/url/lib.deno_url.d.ts
+++ b/ext/url/lib.deno_url.d.ts
@@ -150,6 +150,14 @@ declare class URLSearchParams {
    * ```
    */
   toString(): string;
+
+  /** Contains the number of search parameters
+   *
+   * ```ts
+   * searchParams.size
+   * ```
+   */
+  size: number;
 }
 
 /** The URL interface represents an object providing static methods used for
diff --git a/tools/wpt/expectation.json b/tools/wpt/expectation.json
index 52011ec1e4..885354a45d 100644
--- a/tools/wpt/expectation.json
+++ b/tools/wpt/expectation.json
@@ -2090,6 +2090,7 @@
     "urlsearchparams-has.any.worker.html": true,
     "urlsearchparams-set.any.html": true,
     "urlsearchparams-set.any.worker.html": true,
+    "urlsearchparams-size.any.html": true,
     "urlsearchparams-sort.any.html": true,
     "urlsearchparams-sort.any.worker.html": true,
     "urlsearchparams-stringifier.any.html": true,