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 type { FunctionDeclaration, Node, SourceFile } from 'typescript'; 17import { getFunctionAndMethodReturnInfo, getParameter } from '../common/commonUtils'; 18import type { ParameterEntity, ReturnTypeEntity } from '../common/commonUtils'; 19 20/** 21 * get function info 22 * @param node 23 * @param sourceFile 24 * @returns 25 */ 26export function getFunctionDeclaration(node: Node, sourceFile: SourceFile): FunctionEntity { 27 const funcNode = node as FunctionDeclaration; 28 let functionName = ''; 29 const args: Array<ParameterEntity> = []; 30 const returnType = getFunctionAndMethodReturnInfo(funcNode, sourceFile); 31 functionName = funcNode.name?.escapedText === undefined ? 'undefind' : funcNode.name.escapedText.toString(); 32 funcNode.parameters.forEach(value => { 33 args.push(getParameter(value, sourceFile)); 34 }); 35 36 return { 37 functionName: functionName, 38 returnType: returnType, 39 args: args 40 }; 41} 42 43export interface FunctionEntity { 44 functionName: string, 45 returnType: ReturnTypeEntity, 46 args: Array<ParameterEntity> 47} 48