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| Current File : /var/www/html/infraai.ai/frontend/node_modules/underscore/cjs/restArguments.js |
// Some functions take a variable number of arguments, or a few expected
// arguments at the beginning and then a variable number of values to operate
// on. This helper accumulates all remaining arguments past the function’s
// argument length (or an explicit `startIndex`), into an array that becomes
// the last argument. Similar to ES6’s "rest parameter".
function restArguments(func, startIndex) {
startIndex = startIndex == null ? func.length - 1 : +startIndex;
return function() {
var length = Math.max(arguments.length - startIndex, 0),
rest = Array(length),
index = 0;
for (; index < length; index++) {
rest[index] = arguments[index + startIndex];
}
switch (startIndex) {
case 0: return func.call(this, rest);
case 1: return func.call(this, arguments[0], rest);
case 2: return func.call(this, arguments[0], arguments[1], rest);
}
var args = Array(startIndex + 1);
for (index = 0; index < startIndex; index++) {
args[index] = arguments[index];
}
args[startIndex] = rest;
return func.apply(this, args);
};
}
module.exports = restArguments;