1/* 2 * Copyright (c) 2023 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16import { ConstructorDeclaration, isIdentifier, Node, SourceFile } from 'typescript'; 17 18/** 19 * get constructors info 20 * @param node 21 * @param sourceFile 22 * @returns 23 */ 24export function getConstructorDeclaration(node: Node, sourceFile: SourceFile): Array<ConstructorEntity> { 25 const constructorNode = node as ConstructorDeclaration; 26 const constructors: Array<ConstructorEntity> = []; 27 constructorNode.parameters.forEach(value => { 28 const paramElement = value.name; 29 let name = ''; 30 let typeName = ''; 31 let typeKind = -1; 32 if (isIdentifier(paramElement)) { 33 name = paramElement.escapedText.toString(); 34 } else { 35 name = sourceFile.text.substring(paramElement.pos, paramElement.end).trimStart().trimEnd(); 36 } 37 38 const paramTypeElement = value.type; 39 if (paramTypeElement !== undefined) { 40 typeName = sourceFile.text.substring(paramTypeElement.pos, paramTypeElement.end).trimStart().trimEnd(); 41 typeKind = paramTypeElement.kind; 42 } 43 44 constructors.push( 45 { 46 name: name, 47 typeName: typeName, 48 typeKind: typeKind 49 } 50 ); 51 }); 52 return constructors; 53} 54 55export interface ConstructorEntity { 56 name: string, 57 typeName: string, 58 typeKind: number 59} 60