ts-prime/dist/es/entries.test.js

A utility library for JavaScript and Typescript.

import { ensureType } from './ensureType';
import { fromEntries, entries } from './entries';
import { pipe } from './pipe';
test('should return pairs', function () {
    var start = { a: 1, b: 2, c: 3 };
    var actual = entries({ a: 1, b: 2, c: 3 });
    ensureType(actual);
    expect(fromEntries(actual)).toEqual(start);
    ensureType(fromEntries(actual));
    expect(actual).toEqual([
        ['a', 1],
        ['b', 2],
        ['c', 3],
    ]);
});
test('should return pairs', function () {
    var start = { a: 1, b: 2, c: 3 };
    var actual = entries({ a: 1, b: 2, c: 3 });
    var result = pipe(start, entries(), fromEntries());
    ensureType(result);
    ensureType(actual);
    expect(fromEntries(actual)).toEqual(start);
    ensureType(fromEntries(actual));
    expect(actual).toEqual([
        ['a', 1],
        ['b', 2],
        ['c', 3],
    ]);
});
test('should return pairs', function () {
    var start = ["a", "b", "c"].map(function (v, i) { return [v, i]; });
    var result = fromEntries(start);
    ensureType(result);
    expect(result).toEqual({
        a: 0, b: 1, c: 2
    });
});