dotfiles/.vscode/extensions/vscodevim.vim-0.1.10/node_modules/lodash/_baseRest.js

36 lines
1 KiB
JavaScript
Raw Normal View History

2016-09-11 09:29:13 +01:00
var apply = require('./_apply');
/* Built-in method references for those with the same name as other `lodash` methods. */
var nativeMax = Math.max;
/**
* The base implementation of `_.rest` which doesn't validate or coerce arguments.
*
* @private
* @param {Function} func The function to apply a rest parameter to.
* @param {number} [start=func.length-1] The start position of the rest parameter.
* @returns {Function} Returns the new function.
*/
function baseRest(func, start) {
start = nativeMax(start === undefined ? (func.length - 1) : start, 0);
return function() {
var args = arguments,
index = -1,
length = nativeMax(args.length - start, 0),
array = Array(length);
while (++index < length) {
array[index] = args[start + index];
}
index = -1;
var otherArgs = Array(start + 1);
while (++index < start) {
otherArgs[index] = args[index];
}
otherArgs[start] = array;
return apply(func, this, otherArgs);
};
}
module.exports = baseRest;