Merge pull request #16442 from Flarna/node_url

[node] Add more constructor options to url.URLSearchParams

types/node/index.d.ts

@@ -1858,7 +1858,7 @@ declare module "url" {
     export function resolve(from: string, to: string): string;
 
     export class URLSearchParams implements Iterable<string[]> {
-        constructor(init?: URLSearchParams | string);
+        constructor(init?: URLSearchParams | string | { [key: string]: string | string[] } | Iterable<string[]> );
         append(name: string, value: string): void;
         delete(name: string): void;
         entries(): Iterator<string[]>;

types/node/node-tests.ts

@@ -494,6 +494,26 @@ namespace url_tests {
 
         searchParams.sort();
     }
+
+    {
+        const searchParams = new url.URLSearchParams({
+            user: 'abc',
+            query: ['first', 'second']
+        });
+
+        assert.equal(searchParams.toString(), 'user=abc&query=first%2Csecond');
+        assert.deepEqual(searchParams.getAll('query'), ['first,second']);
+    }
+
+    {
+        // Using an array
+        let params = new url.URLSearchParams([
+            ['user', 'abc'],
+            ['query', 'first'],
+            ['query', 'second']
+        ]);
+        assert.equal(params.toString(), 'user=abc&query=first&query=second');
+    }
 }
 
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