mirror of
https://github.com/swc-project/swc.git
synced 2024-12-22 05:01:42 +03:00
41 lines
1.2 KiB
TypeScript
41 lines
1.2 KiB
TypeScript
// Loaded from https://deno.land/x/ramda@v0.27.2/source/takeLastWhile.js
|
|
|
|
|
|
import _curry2 from './internal/_curry2.js';
|
|
import slice from './slice.js';
|
|
|
|
|
|
/**
|
|
* Returns a new list containing the last `n` elements of a given list, passing
|
|
* each value to the supplied predicate function, and terminating when the
|
|
* predicate function returns `false`. Excludes the element that caused the
|
|
* predicate function to fail. The predicate function is passed one argument:
|
|
* *(value)*.
|
|
*
|
|
* @func
|
|
* @memberOf R
|
|
* @since v0.16.0
|
|
* @category List
|
|
* @sig (a -> Boolean) -> [a] -> [a]
|
|
* @sig (a -> Boolean) -> String -> String
|
|
* @param {Function} fn The function called per iteration.
|
|
* @param {Array} xs The collection to iterate over.
|
|
* @return {Array} A new array.
|
|
* @see R.dropLastWhile, R.addIndex
|
|
* @example
|
|
*
|
|
* const isNotOne = x => x !== 1;
|
|
*
|
|
* R.takeLastWhile(isNotOne, [1, 2, 3, 4]); //=> [2, 3, 4]
|
|
*
|
|
* R.takeLastWhile(x => x !== 'R' , 'Ramda'); //=> 'amda'
|
|
*/
|
|
var takeLastWhile = _curry2(function takeLastWhile(fn, xs) {
|
|
var idx = xs.length - 1;
|
|
while (idx >= 0 && fn(xs[idx])) {
|
|
idx -= 1;
|
|
}
|
|
return slice(idx + 1, Infinity, xs);
|
|
});
|
|
export default takeLastWhile;
|