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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