1/* 2 * Copyright (c) 2022 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 { FunctionDeclaration, Node, SourceFile } from 'typescript'; 17import { getFunctionAndMethodReturnInfo, getParameter, ParameterEntity, ReturnTypeEntity } from '../common/commonUtils'; 18 19/** 20 * get function info 21 * @param node 22 * @param sourceFile 23 * @returns 24 */ 25export function getFunctionDeclaration(node: Node, sourceFile: SourceFile): FunctionEntity { 26 const funcNode = node as FunctionDeclaration; 27 let functionName = ''; 28 const args: Array<ParameterEntity> = []; 29 const returnType = getFunctionAndMethodReturnInfo(funcNode, sourceFile); 30 functionName = funcNode.name?.escapedText === undefined ? 'undefind' : funcNode.name.escapedText.toString(); 31 funcNode.parameters.forEach(value => { 32 args.push(getParameter(value, sourceFile)); 33 }); 34 35 return { 36 functionName: functionName, 37 returnType: returnType, 38 args: args 39 }; 40} 41 42export interface FunctionEntity { 43 functionName: string, 44 returnType: ReturnTypeEntity, 45 args: Array<ParameterEntity> 46} 47