1/* 2* Copyright (c) Microsoft Corporation. All rights reserved. 3* Copyright (c) 2023 Huawei Device Co., Ltd. 4* Licensed under the Apache License, Version 2.0 (the "License"); 5* you may not use this file except in compliance with the License. 6* You may obtain a copy of the License at 7* 8* http://www.apache.org/licenses/LICENSE-2.0 9* 10* Unless required by applicable law or agreed to in writing, software 11* distributed under the License is distributed on an "AS IS" BASIS, 12* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13* See the License for the specific language governing permissions and 14* limitations under the License. 15* 16* This file has been modified by Huawei to verify type inference by adding verification statements. 17*/ 18 19// === tests/cases/compiler/dottedSymbolResolution1.ts === 20declare function AssertType(value:any, type:string):void; 21interface JQuery { 22 find(selector: string): JQuery; 23} 24 25interface JQueryStatic { 26 27 (selector: string): JQuery; 28 (object: JQuery): JQuery; 29} 30 31class Base { foo() { } } 32 33function each(collection: string, callback: (indexInArray: any, valueOfElement: any) => any): any; 34function each(collection: JQuery, callback: (indexInArray: number, valueOfElement: Base) => any): any; 35function each(collection: any, callback: (indexInArray: any, valueOfElement: any) => any): any { 36AssertType(null, "null"); 37 return null; 38} 39 40function _setBarAndText(): void { 41 let x: JQuery, $: JQueryStatic 42AssertType(x, "JQuery"); 43AssertType($, "JQueryStatic"); 44 45 each(x.find(" "), function () { 46AssertType(each(x.find(" "), function () { let $this: JQuery = $(''), thisBar = $this.find(".fx-usagebars-calloutbar-this"); // bug lead to 'could not find dotted symbol' here } ), "any"); 47AssertType(each, "{ (string, (any, any) => any): any; (JQuery, (number, Base) => any): any; }"); 48AssertType(x.find(" "), "JQuery"); 49AssertType(x.find, "(string) => JQuery"); 50AssertType(" ", "string"); 51AssertType(function () { let $this: JQuery = $(''), thisBar = $this.find(".fx-usagebars-calloutbar-this"); // bug lead to 'could not find dotted symbol' here }, "() => void"); 52 53 let $this: JQuery = $(''), 54AssertType($this, "JQuery"); 55AssertType($(''), "JQuery"); 56AssertType($, "JQueryStatic"); 57AssertType('', "string"); 58 59 thisBar = $this.find(".fx-usagebars-calloutbar-this"); // bug lead to 'could not find dotted symbol' here 60AssertType(thisBar, "JQuery"); 61AssertType($this.find(".fx-usagebars-calloutbar-this"), "JQuery"); 62AssertType($this.find, "(string) => JQuery"); 63AssertType(".fx-usagebars-calloutbar-this", "string"); 64 65 } ); 66} 67 68