replicache/src/json.test.ts at main · hmmhmmhm/replicache

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import {assert} from '@esm-bundle/chai';

import {deepEqual} from './json.js';

import type {JSONValue} from './json.js';

const {fail} = assert;

test('JSON deep equal', () => {

const t = (

a: JSONValue | undefined,

b: JSONValue | undefined,

expected = true,

) => {

const res = deepEqual(a, b);

if (res !== expected) {

fail(

JSON.stringify(a) + (expected ? ' === ' : ' !== ') + JSON.stringify(b),

);

}

};

const >

456789,

true,

false,

null,

'',

'a',

'b',

'cdefefsfsafasdadsaas',

[],

{},

{x: 4, y: 5, z: 6},

[7, 8, 9],

] as const;

const testData = [

...oneLevelOfData,

[...oneLevelOfData],

Object.fromEntries(oneLevelOfData.map(v => [JSON.stringify(v), v])),

];

for (let i = 0; i < testData.length; i++) {

for (let j = 0; j < testData.length; j++) {

const a = testData[i];

// "clone" to ensure we do not end up with a and b being the same object.

const b = JSON.parse(JSON.stringify(testData[j]));

t(a, b, i === j);

}

t({a: 1, b: 2}, {b: 2, a: 1});

});

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