jiapengyu
35 lines
931 B
JavaScript
35 lines
931 B
JavaScript
import _curry2 from './internal/_curry2';
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/**
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* Acts as multiple `prop`: array of keys in, array of values out. Preserves
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* order.
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*
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* @func
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* @memberOf R
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* @since v0.1.0
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* @category Object
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* @sig [k] -> {k: v} -> [v]
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* @param {Array} ps The property names to fetch
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* @param {Object} obj The object to query
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* @return {Array} The corresponding values or partially applied function.
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* @example
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*
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* R.props(['x', 'y'], {x: 1, y: 2}); //=> [1, 2]
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* R.props(['c', 'a', 'b'], {b: 2, a: 1}); //=> [undefined, 1, 2]
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*
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* var fullName = R.compose(R.join(' '), R.props(['first', 'last']));
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* fullName({last: 'Bullet-Tooth', age: 33, first: 'Tony'}); //=> 'Tony Bullet-Tooth'
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*/
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var props = /*#__PURE__*/_curry2(function props(ps, obj) {
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var len = ps.length;
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var out = [];
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var idx = 0;
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while (idx < len) {
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out[idx] = obj[ps[idx]];
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idx += 1;
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}
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return out;
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});
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export default props; |