From c5725a114506a9259ee72f6500119b9b2a3ce6fb Mon Sep 17 00:00:00 2001 From: Yagiz Nizipli Date: Fri, 5 May 2023 15:35:22 -0400 Subject: [PATCH] url: improve `isURL` detection --- lib/internal/url.js | 5 ++++- test/parallel/test-url-is-url.js | 11 +++++++++++ 2 files changed, 15 insertions(+), 1 deletion(-) create mode 100644 test/parallel/test-url-is-url.js diff --git a/lib/internal/url.js b/lib/internal/url.js index d94725a5ff391c..441a02f0455df4 100644 --- a/lib/internal/url.js +++ b/lib/internal/url.js @@ -692,11 +692,14 @@ ObjectDefineProperties(URLSearchParams.prototype, { * * We use `href` and `protocol` as they are the only properties that are * easy to retrieve and calculate due to the lazy nature of the getters. + * + * We check for auth attribute to distinguish legacy url instance with + * WHATWG URL instance. * @param {*} self * @returns {self is URL} */ function isURL(self) { - return Boolean(self?.href && self.protocol); + return Boolean(self?.href && self.protocol && self.auth === undefined); } class URL { diff --git a/test/parallel/test-url-is-url.js b/test/parallel/test-url-is-url.js new file mode 100644 index 00000000000000..0b42bb3b2f2d4a --- /dev/null +++ b/test/parallel/test-url-is-url.js @@ -0,0 +1,11 @@ +// Flags: --expose-internals +'use strict'; + +require('../common'); + +const { URL, parse } = require('url'); +const assert = require('assert'); +const { isURL } = require('internal/url'); + +assert.strictEqual(isURL(new URL('https://www.nodejs.org')), true); +assert.strictEqual(isURL(parse('https://www.nodejs.org')), false);