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d9494a5 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 | import { removeUndefinedFields } from '../removeUndefinedFields';
interface PrimitiveTestContext {
description: string;
input: null | undefined | string | number | boolean;
expected: null | undefined | string | number | boolean;
}
interface ObjectTestContext {
description: string;
input: Record<string, unknown>;
expected: Record<string, unknown>;
}
describe('removeUndefinedFields', () => {
describe.each<PrimitiveTestContext>([
{
description: 'null',
input: null,
expected: null,
},
{
description: 'undefined',
input: undefined,
expected: undefined,
},
{
description: 'string',
input: 'string',
expected: 'string',
},
{
description: 'number',
input: 123,
expected: 123,
},
{
description: 'boolean true',
input: true,
expected: true,
},
{
description: 'boolean false',
input: false,
expected: false,
},
])('primitive value: $description', ({ input, expected }) => {
it('should return the value as is', () => {
expect(removeUndefinedFields(input)).toBe(expected);
});
});
describe.each<ObjectTestContext>([
{
description: 'flat object',
input: {
name: 'John',
age: 30,
email: undefined,
phone: null,
address: undefined,
},
expected: {
name: 'John',
age: 30,
phone: null,
},
},
{
description: 'nested object',
input: {
name: 'John',
contact: {
email: undefined,
phone: '123456',
address: {
street: '123 Main St',
apt: undefined,
city: 'New York',
},
},
preferences: undefined,
},
expected: {
name: 'John',
contact: {
phone: '123456',
address: {
street: '123 Main St',
city: 'New York',
},
},
},
},
{
description: 'arrays',
input: {
names: ['John', undefined, 'Jane', null],
tags: [
{ id: 1, label: 'active' },
{ id: undefined, label: 'pending' },
undefined,
{ id: 3, label: undefined },
],
},
expected: {
names: ['John', 'Jane', null],
tags: [{ id: 1, label: 'active' }, { label: 'pending' }, { id: 3 }],
},
},
{
description: 'empty objects after cleaning',
input: {
name: 'John',
metadata: {
tags: undefined,
flags: undefined,
},
settings: {},
},
expected: {
name: 'John',
},
},
])('object case: $description', ({ input, expected }) => {
it('should clean undefined fields correctly', () => {
expect(removeUndefinedFields(input)).toEqual(expected);
});
});
});
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