13af6ab5fSopenharmony_ci/* 23af6ab5fSopenharmony_ci * Copyright (c) 2024 Huawei Device Co., Ltd. 33af6ab5fSopenharmony_ci * Licensed under the Apache License, Version 2.0 (the "License"); 43af6ab5fSopenharmony_ci * you may not use this file except in compliance with the License. 53af6ab5fSopenharmony_ci * You may obtain a copy of the License at 63af6ab5fSopenharmony_ci * 73af6ab5fSopenharmony_ci * http://www.apache.org/licenses/LICENSE-2.0 83af6ab5fSopenharmony_ci * 93af6ab5fSopenharmony_ci * Unless required by applicable law or agreed to in writing, software 103af6ab5fSopenharmony_ci * distributed under the License is distributed on an "AS IS" BASIS, 113af6ab5fSopenharmony_ci * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 123af6ab5fSopenharmony_ci * See the License for the specific language governing permissions and 133af6ab5fSopenharmony_ci * limitations under the License. 143af6ab5fSopenharmony_ci */ 153af6ab5fSopenharmony_ci 163af6ab5fSopenharmony_ci// Object destructuring 173af6ab5fSopenharmony_cilet a = 5, b = 10, c = 15, d = 20, s = 'foo'; 183af6ab5fSopenharmony_cilet rest, rest2; 193af6ab5fSopenharmony_ci({ a, b, s } = { a: 100, b: 200, s: 'bar' }); // NOT OK 203af6ab5fSopenharmony_ci({ a, ...rest } = { a: 1, b: 2 }); // NOT OK 213af6ab5fSopenharmony_ci({ a, b: { c, d: s } } = { a: 1, b: { c: 3, d: 'baz' }}); // NOT OK 223af6ab5fSopenharmony_ci({ a, b: { ...rest } } = { a: 1, b: { c: 3, d: 'bah' }}); // NOT OK 233af6ab5fSopenharmony_ci 243af6ab5fSopenharmony_cifunction getObject() { 253af6ab5fSopenharmony_ci return { a: 1, b: 2 }; 263af6ab5fSopenharmony_ci} 273af6ab5fSopenharmony_ci({ a, b } = getObject()); // NOT OK 283af6ab5fSopenharmony_ci 293af6ab5fSopenharmony_ci// Array destructuring 303af6ab5fSopenharmony_ci[a, b, c] = [10, 20, 30]; 313af6ab5fSopenharmony_ci[a, b] = [b, a]; 323af6ab5fSopenharmony_ci[a, b, ...rest] = [10, 20, 30, 40, 50]; // NOT OK 333af6ab5fSopenharmony_ci[a, b, [c, d]] = [10, 20, [300, 400], 50]; 343af6ab5fSopenharmony_ci[a, b, [c, ...rest]] = [10, 20, [30, 40, 50]]; // NOT OK 353af6ab5fSopenharmony_ci 363af6ab5fSopenharmony_cilet tuple: [number, string, number] = [1, '2', 3]; 373af6ab5fSopenharmony_ci[a, , b] = tuple; 383af6ab5fSopenharmony_ci[a, ...rest] = tuple; // NOT OK 393af6ab5fSopenharmony_ci 403af6ab5fSopenharmony_ciconst getArray = (): number[] => [1, 2, 3]; 413af6ab5fSopenharmony_ci[a, b] = getArray(); 423af6ab5fSopenharmony_ci 433af6ab5fSopenharmony_ciconst set: Set<number> = new Set([1, 2, 3, 4]); 443af6ab5fSopenharmony_ci[a, b, c] = set; // NOT OK 453af6ab5fSopenharmony_ci 463af6ab5fSopenharmony_ciconst map: Map<number, number> = new Map(); 473af6ab5fSopenharmony_ci[[a, b], [c, d]] = map; // NOT OK 483af6ab5fSopenharmony_ci 493af6ab5fSopenharmony_ci// Mixed destructuring 503af6ab5fSopenharmony_cilet e: number, f: number, x: { e: number }, g; 513af6ab5fSopenharmony_ci[a, b, [x, { f }]] = [1, 2, [{ e: 20 }, { f: 5 }]]; // NOT OK 523af6ab5fSopenharmony_ci[a, b, {e, e: f, ...g}] = [1, 2, {e: 10}]; // NOT OK 533af6ab5fSopenharmony_ci[a, b, ...{length}] = [1, 2, {e: 10}]; // NOT OK 543af6ab5fSopenharmony_ci 553af6ab5fSopenharmony_ci({ a, b : [c, d] } = { a: 1, b: [2, 3] }); // NOT OK 563af6ab5fSopenharmony_ci({ 573af6ab5fSopenharmony_ci a, 583af6ab5fSopenharmony_ci b: { 593af6ab5fSopenharmony_ci s, 603af6ab5fSopenharmony_ci c: [d, f], 613af6ab5fSopenharmony_ci }, 623af6ab5fSopenharmony_ci} = { a: 10, b: { s: 'foo', c: [30, 40] } }); // NOT OK 63