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32 lines
746 B
32 lines
746 B
export const tests = [] |
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const t = (f) => tests.push(f) |
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// It works with a single property |
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t(({ eq }) => eq(invert({ language: 'english' }), { english: 'language' })) |
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// It works with multiple properties |
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t(({ eq }) => |
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eq(invert({ firstName: 'John', lastName: 'Doe', age: 32 }), { |
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John: 'firstName', |
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Doe: 'lastName', |
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32: 'age', |
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}), |
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) |
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// Last similar value should override the others |
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t(({ eq }) => |
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eq( |
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invert({ brand: 'ford', motor: 'v8', year: 2000, fast: true, eco: true }), |
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{ |
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ford: 'brand', |
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v8: 'motor', |
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2000: 'year', |
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true: 'eco', |
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}, |
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), |
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) |
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// It should ignore properties from the prototype chain |
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t(({ eq }) => eq(invert({ f: 5, __proto__: { d: 6 } }), { 5: 'f' })) |
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Object.freeze(tests)
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