1/* 2 * Copyright (c) 2021 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 * as ts from "typescript"; 17 18export function findInnerExprOfParenthesis(expr: ts.ParenthesizedExpression): ts.Expression { 19 while (expr.expression.kind === ts.SyntaxKind.ParenthesizedExpression) { 20 expr = <ts.ParenthesizedExpression>expr.expression; 21 } 22 return expr.expression; 23} 24 25export function findOuterNodeOfParenthesis(expr: ts.Node): ts.Node { 26 let parent = expr.parent; 27 while (parent.kind === ts.SyntaxKind.ParenthesizedExpression) { 28 parent = parent.parent; 29 } 30 return parent; 31} 32