g-element/src/whenever.js

A collection of elements used by Authentic System Solutions

/* from https://github.com/David-Mulder/whenever.js */
export const Whenever = function () {
    var callbacks = [];
    var ready = false;
    var args;
    return {
        get state() {
            return {
                ready: ready,
                args: args,
                pendingCallbacks: callbacks.length
            };
        },
        ready: function () {
            args = arguments;
            callbacks.forEach(function (callback) {
                callback.apply(this, args);
            });
            callbacks = [];
            ready = true;
        },
        whenReady: function (callback) {
            if (ready) {
                callback.apply(this, args);
            } else {
                callbacks.push(callback);
            }
        }
    }
};