splitEvery.js•792 B
var _curry2 = require('./internal/_curry2');
var slice = require('./slice');
/**
* Splits a collection into slices of the specified length.
*
* @func
* @memberOf R
* @since v0.16.0
* @category List
* @sig Number -> [a] -> [[a]]
* @sig Number -> String -> [String]
* @param {Number} n
* @param {Array} list
* @return {Array}
* @example
*
* R.splitEvery(3, [1, 2, 3, 4, 5, 6, 7]); //=> [[1, 2, 3], [4, 5, 6], [7]]
* R.splitEvery(3, 'foobarbaz'); //=> ['foo', 'bar', 'baz']
*/
module.exports = _curry2(function splitEvery(n, list) {
if (n <= 0) {
throw new Error('First argument to splitEvery must be a positive integer');
}
var result = [];
var idx = 0;
while (idx < list.length) {
result.push(slice(idx, idx += n, list));
}
return result;
});