isDipesh

var inject_binding = function (allBindings, key, value) {
    //https://github.com/knockout/knockout/pull/932#issuecomment-26547528
    return {
        has: function (bindingKey) {
            return (bindingKey == key) || allBindings.has(bindingKey);
        },
        get: function (bindingKey) {
            var binding = allBindings.get(bindingKey);
            if (bindingKey == key) {
                binding = binding ? [].concat(binding, value) : value;