mirror of
https://github.com/swc-project/swc.git
synced 2024-12-23 05:32:09 +03:00
37 lines
1004 B
TypeScript
37 lines
1004 B
TypeScript
// Loaded from https://deno.land/x/ramda@v0.27.2/source/pickBy.js
|
|
|
|
|
|
import _curry2 from './internal/_curry2.js';
|
|
|
|
|
|
/**
|
|
* Returns a partial copy of an object containing only the keys that satisfy
|
|
* the supplied predicate.
|
|
*
|
|
* @func
|
|
* @memberOf R
|
|
* @since v0.8.0
|
|
* @category Object
|
|
* @sig ((v, k) -> Boolean) -> {k: v} -> {k: v}
|
|
* @param {Function} pred A predicate to determine whether or not a key
|
|
* should be included on the output object.
|
|
* @param {Object} obj The object to copy from
|
|
* @return {Object} A new object with only properties that satisfy `pred`
|
|
* on it.
|
|
* @see R.pick, R.filter
|
|
* @example
|
|
*
|
|
* const isUpperCase = (val, key) => key.toUpperCase() === key;
|
|
* R.pickBy(isUpperCase, {a: 1, b: 2, A: 3, B: 4}); //=> {A: 3, B: 4}
|
|
*/
|
|
var pickBy = _curry2(function pickBy(test, obj) {
|
|
var result = {};
|
|
for (var prop in obj) {
|
|
if (test(obj[prop], prop, obj)) {
|
|
result[prop] = obj[prop];
|
|
}
|
|
}
|
|
return result;
|
|
});
|
|
export default pickBy;
|