node_modules/core-js/modules/_partial.js

'use strict';
var path = require('./_path');
var invoke = require('./_invoke');
var aFunction = require('./_a-function');
module.exports = function (/* ...pargs */) {
  var fn = aFunction(this);
  var length = arguments.length;
  var pargs = new Array(length);
  var i = 0;
  var _ = path._;
  var holder = false;
  while (length > i) if ((pargs[i] = arguments[i++]) === _) holder = true;
  return function (/* ...args */) {
    var that = this;
    var aLen = arguments.length;
    var j = 0;
    var k = 0;
    var args;
    if (!holder && !aLen) return invoke(fn, pargs, that);
    args = pargs.slice();
    if (holder) for (;length > j; j++) if (args[j] === _) args[j] = arguments[k++];
    while (aLen > k) args.push(arguments[k++]);
    return invoke(fn, args, that);
  };
};