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wip: migrate to bun
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37
test/isArray.spec.ts
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37
test/isArray.spec.ts
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import assert from 'node:assert';
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import lodashStable from 'lodash';
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import { falsey, stubFalse, args, slice, symbol, realm } from './utils';
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import isArray from '../src/isArray';
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describe('isArray', () => {
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it('should return `true` for arrays', () => {
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assert.strictEqual(isArray([1, 2, 3]), true);
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});
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it('should return `false` for non-arrays', () => {
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const expected = lodashStable.map(falsey, stubFalse);
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const actual = lodashStable.map(falsey, (value, index) =>
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index ? isArray(value) : isArray(),
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);
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assert.deepStrictEqual(actual, expected);
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assert.strictEqual(isArray(args), false);
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assert.strictEqual(isArray(true), false);
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assert.strictEqual(isArray(new Date()), false);
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assert.strictEqual(isArray(new Error()), false);
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assert.strictEqual(isArray(slice), false);
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assert.strictEqual(isArray({ '0': 1, length: 1 }), false);
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assert.strictEqual(isArray(1), false);
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assert.strictEqual(isArray(/x/), false);
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assert.strictEqual(isArray('a'), false);
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assert.strictEqual(isArray(symbol), false);
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});
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it('should work with an array from another realm', () => {
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if (realm.array) {
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assert.strictEqual(isArray(realm.array), true);
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}
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});
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});
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