38 lines
1.0 KiB
JavaScript
38 lines
1.0 KiB
JavaScript
const assert = require('node:assert')
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const lodash = require('lodash')
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// test lodash.isEqual
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const arr1 = [1, 2, 3]
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const arr2 = [1, 2, 3]
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const arr3 = [3, 2, 1]
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assert.strictEqual(lodash.isEqual(arr1, arr2), true)
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assert.strictEqual(lodash.isEqual(arr1.sort(), arr3.sort()), true)
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// test lodash.isEmpty
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function isEmpty (obj) {
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return obj == null || (lodash.isObject(obj) && lodash.isEmpty(obj))
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}
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// true
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assert.strictEqual(isEmpty(null), true)
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assert.strictEqual(isEmpty({}), true)
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assert.strictEqual(isEmpty([]), true)
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// false
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assert.strictEqual(isEmpty(true), false)
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assert.strictEqual(isEmpty(false), false)
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assert.strictEqual(isEmpty(1), false)
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assert.strictEqual(isEmpty(0), false)
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assert.strictEqual(isEmpty(-1), false)
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assert.strictEqual(isEmpty(''), false)
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assert.strictEqual(isEmpty('1'), false)
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// test lodash.unionBy
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const list = [
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{ host: 1, port: 1, dns: 2 },
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{ host: 1, port: 1, dns: 3 },
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{ host: 1, port: 2, dns: 3 },
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{ host: 1, port: 2, dns: 3 },
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]
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console.info(lodash.unionBy(list, 'host', 'port'))
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