bonsai-analyzer/bin/utils/__tests__/flatten.test.js

Trim your dependency tree.

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");

var _flatten = _interopRequireDefault(require("../flatten"));

describe('flatten', () => {
  it('should take an array of arrays and return a single array', () => {
    const value = [[1], [2], [3]];
    expect((0, _flatten.default)(value)).toEqual([1, 2, 3]);
  });
  it('should take doubly-nested arrays and flatten one level deep', () => {
    const value = [[1], [2, [3], 4], [5]];
    expect((0, _flatten.default)(value)).toEqual([1, 2, [3], 4, 5]);
  });
  it('should flatten all types together', () => {
    const value = [[1], ['foo'], [null], [undefined], [{}]];
    expect((0, _flatten.default)(value)).toEqual([1, 'foo', null, undefined, {}]);
  });
  it('should skip empty inner arrays', () => {
    const value = [[], [], []];
    expect((0, _flatten.default)(value)).toEqual([]);
  });
});