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import unset from '../../utils/unset';
describe('unset', () => {
it('should unset the array', () => {
const test = ['test', 'test1', 'test2'];
expect(unset(test, '[0]')).toEqual([undefined, 'test1', 'test2']);
expect(unset(test, '[1]')).toEqual([undefined, undefined, 'test2']);
expect(unset(test, '[2]')).toEqual([undefined, undefined, undefined]);
});
it('should return original object when path is not defined', () => {
const test = {
test: 'test',
};
expect(unset(test, '')).toEqual(test);
});
it('should unset the flat object', () => {
const test = {
test: 'test',
};
expect(unset(test, 'test')).toEqual({});
});
it('should not unset if specified field is undefined', () => {
const test = {
test: {
test1: 'test',
},
};
expect(unset(test, 'testDummy.test1')).toEqual({ test: { test1: 'test' } });
});
it('should unset the nest object', () => {
const test = {
test: {
min: 'test',
},
};
expect(unset(test, 'test.min')).toEqual({});
});
it('should unset deep object', () => {
const test = {
test: {
bill: {
min: 'test',
},
},
};
expect(unset(test, 'test.bill.min')).toEqual({});
});
it('should unset the including multiple field object', () => {
const deep = {
data: {
firstName: 'test',
clear: undefined,
test: [{ data1: '' }, { data2: '' }],
data: {
test: undefined,
test1: {
ref: {
test: '',
},
},
},
},
};
const test = {
test: {
bill: {
min: [{ deep }],
},
test: 'ha',
},
};
expect(unset(test, 'test.bill.min[0].deep')).toEqual({
test: {
test: 'ha',
},
});
});
it('should unset the object in array', () => {
const test = {
test: [{ min: 'required' }],
};
expect(unset(test, 'test[0].min')).toEqual({});
});
it('should return empty object when inner object is empty object', () => {
const test = {
data: {
firstName: {},
},
};
expect(unset(test, 'data.firstName')).toEqual({});
});
it('should clear empty array', () => {
const test = {
data: {
firstName: {
test: [
{ name: undefined, email: undefined },
{ name: 'test', email: 'last' },
],
deep: {
last: [
{ name: undefined, email: undefined },
{ name: 'test', email: 'last' },
],
},
},
},
};
expect(unset(test, 'data.firstName.test[0]')).toEqual({
data: {
firstName: {
test: [undefined, { name: 'test', email: 'last' }],
deep: {
last: [
{ name: undefined, email: undefined },
{ name: 'test', email: 'last' },
],
},
},
},
});
const test2 = {
arrayItem: [
{
test1: undefined,
test2: undefined,
},
],
data: 'test',
};
expect(unset(test2, 'arrayItem[0].test1')).toEqual({
arrayItem: [
{
test2: undefined,
},
],
data: 'test',
});
});
it('should only remove relevant data', () => {
const data = {
test: {},
testing: {
key1: 1,
key2: [
{
key4: 4,
key5: [],
key6: null,
key7: '',
key8: undefined,
key9: {},
},
],
key3: [],
},
};
expect(unset(data, 'test')).toEqual({
testing: {
key1: 1,
key2: [
{
key4: 4,
key5: [],
key6: null,
key7: '',
key8: undefined,
key9: {},
},
],
key3: [],
},
});
});
it('should remove empty array item', () => {
const data = {
name: [
{
message: 'test',
},
],
};
expect(unset(data, 'name[0]')).toEqual({});
});
it('should not remove nested empty array item', () => {
const data = {
scenario: {
steps: [
{
content: {
question: 'isRequired',
},
},
],
},
};
expect(unset(data, 'scenario.steps[1].messages[0]')).toEqual({
scenario: {
steps: [
{
content: {
question: 'isRequired',
},
},
],
},
});
});
it('should not remove parent if boolean value exists in array', () => {
const data = {
test: [true, undefined, true],
};
expect(unset(data, 'test[2]')).toEqual({
test: [true, undefined, undefined],
});
});
it('should reset the array index', () => {
const data = {
test: [[{ name: 'test' }], [{ name: 'test1' }]],
};
unset(data, 'test.0.0.name');
expect(data).toEqual({
test: [undefined, [{ name: 'test1' }]],
});
const data1 = {
test: [[{ name: 'test' }], [{ name: 'test1' }]],
};
unset(data1, 'test.1.0.name');
expect(data1).toEqual({
test: [[{ name: 'test' }], undefined],
});
const data2 = {
test: [[[{ name: 'test' }]], [{ name: 'test1' }]],
};
unset(data2, 'test.0.0.0.name');
expect(data2).toEqual({
test: [undefined, [{ name: 'test1' }]],
});
const data3 = {
test: [[[{ name: 'test' }]], [[{ name: 'test1' }]]],
};
unset(data3, 'test.1.0.0.name');
expect(data3).toEqual({
test: [[[{ name: 'test' }]], undefined],
});
const data4 = {
test: {
fields: ['1', '2'],
},
};
unset(data4, 'test.fields.1');
expect(data4).toEqual({
test: {
fields: ['1', undefined],
},
});
});
describe('when there are remaining props', () => {
it('should not unset the array', () => {
const test: Record<string, any> = {
test: [{ firstName: 'test' }],
};
test.test.root = {
test: 'message',
};
unset(test, 'test.0.firstName');
expect(test.test.root).toBeDefined();
});
});
describe('in presence of Array polyfills', () => {
beforeAll(() => {
// @ts-expect-error we want to test unset in presence of polyfills
Array.prototype.somePolyfill = () => 123;
});
it('should delete empty arrays', () => {
const data = {
prop: [],
};
unset(data, 'prop.0');
expect(data.prop).toBeUndefined();
});
afterAll(() => {
// @ts-expect-error we want to test unset in presence of polyfills
delete Array.prototype.somePolyfill;
});
});
});
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