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48 lines
1.2 KiB
TypeScript
48 lines
1.2 KiB
TypeScript
// Loaded from https://deno.land/x/ramda@v0.27.2/source/sortBy.js
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import _curry2 from './internal/_curry2.js';
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/**
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* Sorts the list according to the supplied function.
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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 Relation
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* @sig Ord b => (a -> b) -> [a] -> [a]
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* @param {Function} fn
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* @param {Array} list The list to sort.
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* @return {Array} A new list sorted by the keys generated by `fn`.
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* @example
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*
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* const sortByFirstItem = R.sortBy(R.prop(0));
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* const pairs = [[-1, 1], [-2, 2], [-3, 3]];
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* sortByFirstItem(pairs); //=> [[-3, 3], [-2, 2], [-1, 1]]
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*
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* const sortByNameCaseInsensitive = R.sortBy(R.compose(R.toLower, R.prop('name')));
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* const alice = {
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* name: 'ALICE',
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* age: 101
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* };
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* const bob = {
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* name: 'Bob',
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* age: -10
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* };
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* const clara = {
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* name: 'clara',
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* age: 314.159
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* };
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* const people = [clara, bob, alice];
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* sortByNameCaseInsensitive(people); //=> [alice, bob, clara]
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*/
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var sortBy = _curry2(function sortBy(fn, list) {
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return Array.prototype.slice.call(list, 0).sort(function(a, b) {
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var aa = fn(a);
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var bb = fn(b);
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return aa < bb ? -1 : aa > bb ? 1 : 0;
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});
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});
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export default sortBy;
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