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feat: add Collection#subtract() (#8393)

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* feat: add `Collection#missing()`

* test: add test for `Collection#missing()`

* chore: rename `missing` to `complement`

* docs: fix name

* test: fix test name

Co-authored-by: Almeida <almeidx@pm.me>

* chore: sort alphabetically

* fix: edit condition

Co-authored-by: Almeida <almeidx@pm.me>

* refactor: rename to `subtract`

* docs: fix description

Co-authored-by: Jiralite <33201955+Jiralite@users.noreply.github.com>

* fix: change condition

* fix: resolved eslint formatting error

Co-authored-by: Almeida <almeidx@pm.me>
Co-authored-by: Jiralite <33201955+Jiralite@users.noreply.github.com>
Co-authored-by: kodiakhq[bot] <49736102+kodiakhq[bot]@users.noreply.github.com>
Co-authored-by: Aura Román <kyradiscord@gmail.com>
This commit is contained in:
Synbulat Biishev
2022-11-20 00:34:26 +03:00
committed by GitHub
parent b2fabd130a
commit 291f36cd73
2 changed files with 33 additions and 4 deletions
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21
packages/collection/__tests__/collection.test.ts
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@@ -3,17 +3,17 @@
import { describe, test, expect } from 'vitest';
import { Collection } from '../src/index.js';
type TestCollection = Collection<string, number>;
type TestCollection<V> = Collection<string, V>;
function createCollection(): TestCollection {
function createCollection<V = number>(): TestCollection<V> {
return new Collection();
}
function createCollectionFrom(...entries: [key: string, value: number][]): TestCollection {
function createCollectionFrom<V = number>(...entries: [key: string, value: V][]): TestCollection<V> {
return new Collection(entries);
}
function createTestCollection(): TestCollection {
function createTestCollection(): TestCollection<number> {
return createCollectionFrom(['a', 1], ['b', 2], ['c', 3]);
}
@@ -770,6 +770,19 @@ describe('sort() tests', () => {
});
});
describe('subtract() tests', () => {
const coll1 = createCollectionFrom(['a', 1], ['b', 2], ['c', 3], ['d', undefined]);
const coll2 = createCollectionFrom(['b', 2], ['c', 0]);
test('it returns a new collection', () => {
const c = coll1.subtract(coll2);
expect(c).toBeInstanceOf(Collection);
expect(c.size).toStrictEqual(3);
expect(c).toStrictEqual(createCollectionFrom(['a', 1], ['c', 3], ['d', undefined]));
});
});
describe('sweep() test', () => {
const coll = createTestCollection();