| 1 | const { assign, create, defineProperties, keys } = Object;
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| 2 |
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| 3 | /**
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| 4 | * Create a clean Object
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| 5 | * - without a prototype
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| 6 | * - with immutable properties.
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| 7 | *
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| 8 | * @param {Object} interfaceObject
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| 9 | * @param {Object} options
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| 10 | * @return {Object}
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| 11 | */
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| 12 | function dictionary(interfaceObject, options = {}) {
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| 13 | const { enumerable = true } = options;
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| 14 | const reduceInterface = (descriptors, propertyName) =>
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| 15 | assign(descriptors, {
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| 16 | [propertyName]: {
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| 17 | enumerable,
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| 18 | value: interfaceObject[propertyName],
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| 19 | },
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| 20 | });
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| 21 |
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| 22 | return defineProperties(
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| 23 | create(null),
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| 24 | keys(interfaceObject).reduce(reduceInterface, create(null))
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| 25 | );
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| 26 | }
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| 27 |
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| 28 | module.exports = dictionary;
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