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40 lines
1.3 KiB
TypeScript
40 lines
1.3 KiB
TypeScript
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// Loaded from https://deno.land/x/ramda@v0.27.2/source/pluck.js
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import _curry2 from './internal/_curry2.js';
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import map from './map.js';
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import prop from './prop.js';
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/**
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* Returns a new list by plucking the same named property off all objects in
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* the list supplied.
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*
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* `pluck` will work on
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* any [functor](https://github.com/fantasyland/fantasy-land#functor) in
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* addition to arrays, as it is equivalent to `R.map(R.prop(k), f)`.
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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 List
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* @sig Functor f => k -> f {k: v} -> f v
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* @param {Number|String} key The key name to pluck off of each object.
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* @param {Array} f The array or functor to consider.
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* @return {Array} The list of values for the given key.
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* @see R.project, R.prop, R.props
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* @example
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*
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* var getAges = R.pluck('age');
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* getAges([{name: 'fred', age: 29}, {name: 'wilma', age: 27}]); //=> [29, 27]
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*
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* R.pluck(0, [[1, 2], [3, 4]]); //=> [1, 3]
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* R.pluck('val', {a: {val: 3}, b: {val: 5}}); //=> {a: 3, b: 5}
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* @symb R.pluck('x', [{x: 1, y: 2}, {x: 3, y: 4}, {x: 5, y: 6}]) = [1, 3, 5]
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* @symb R.pluck(0, [[1, 2], [3, 4], [5, 6]]) = [1, 3, 5]
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*/
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var pluck = _curry2(function pluck(p, list) {
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return map(prop(p), list);
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});
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export default pluck;
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