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64 lines
1.8 KiB
TypeScript
64 lines
1.8 KiB
TypeScript
/*!
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Copyright 2018 Propel http://propel.site/. All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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// TODO(ry) Use unknown here for parameters types.
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// tslint:disable-next-line:no-any
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export function assertEqual(actual: any, expected: any, msg?: string) {
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if (!msg) {
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msg = `actual: ${actual} expected: ${expected}`;
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}
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if (!equal(actual, expected)) {
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console.error(
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"assertEqual failed. actual = ",
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actual,
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"expected =",
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expected
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);
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throw new Error(msg);
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}
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}
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export function assert(expr: boolean, msg = "") {
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if (!expr) {
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throw new Error(msg);
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}
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}
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// TODO(ry) Use unknown here for parameters types.
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// tslint:disable-next-line:no-any
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export function equal(c: any, d: any): boolean {
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const seen = new Map();
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return (function compare(a, b) {
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if (Object.is(a, b)) {
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return true;
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}
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if (a && typeof a === "object" && b && typeof b === "object") {
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if (seen.get(a) === b) {
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return true;
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}
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if (Object.keys(a).length !== Object.keys(b).length) {
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return false;
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}
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for (const key in { ...a, ...b }) {
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if (!compare(a[key], b[key])) {
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return false;
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}
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}
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seen.set(a, b);
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return true;
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}
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return false;
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})(c, d);
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}
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