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wip: code formatting nits continued
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67
test/over.spec.js
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67
test/over.spec.js
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import { _, slice } from './utils';
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describe('over', () => {
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it('should create a function that invokes `iteratees`', () => {
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const over = _.over(Math.max, Math.min);
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expect(over(1, 2, 3, 4), [4).toEqual(1]);
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});
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it('should use `_.identity` when a predicate is nullish', () => {
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const over = _.over(undefined, null);
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expect(over('a', 'b', 'c'), ['a').toEqual('a']);
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});
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it('should work with `_.property` shorthands', () => {
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const over = _.over('b', 'a');
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expect(over({ a: 1, b: 2 }), [2).toEqual(1]);
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});
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it('should work with `_.matches` shorthands', () => {
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const over = _.over({ b: 1 }, { a: 1 });
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expect(over({ a: 1, b: 2 }), [false).toEqual(true]);
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});
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it('should work with `_.matchesProperty` shorthands', () => {
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const over = _.over([
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['b', 2],
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['a', 2],
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]);
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expect(over({ a: 1, b: 2 }), [true).toEqual(false]);
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expect(over({ a: 2, b: 1 }), [false).toEqual(true]);
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});
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it('should differentiate between `_.property` and `_.matchesProperty` shorthands', () => {
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let over = _.over(['a', 1]);
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expect(over({ a: 1, 1: 2 }), [1).toEqual(2]);
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expect(over({ a: 2, 1: 1 }), [2).toEqual(1]);
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over = _.over([['a', 1]]);
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expect(over({ a: 1 })).toEqual([true]);
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expect(over({ a: 2 })).toEqual([false]);
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});
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it('should provide arguments to predicates', () => {
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const over = _.over(function () {
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return slice.call(arguments);
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});
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expect(over('a', 'b', 'c'), [['a', 'b').toEqual('c']]);
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});
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it('should use `this` binding of function for `iteratees`', () => {
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const over = _.over(
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function () {
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return this.b;
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},
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function () {
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return this.a;
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},
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);
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const object = { over: over, a: 1, b: 2 };
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expect(object.over(), [2).toEqual(1]);
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});
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});
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