cc.fovea.cordova.purchase/src/js/ready.js

Cordova Purchase plugin for iOS, Android, Windows (AppStore, Play, UWP)

(function() {


var isReady = false;

var callbacks = [];

/// ## <a name="ready"></a>*store.ready(callback)*
/// Register the `callback` to be called when the store is ready to be used.
///
/// If the store is already ready, `callback` is executed immediately.
///
/// `store.ready()` without arguments will return the `ready` status.
///
store.ready = function (cb) {

    /// ### alternate usage (internal)
    ///
    /// `store.ready(true)` will set the `ready` status to true,
    /// and call the registered callbacks.
    if (cb === true) {
        if (isReady) return this;
        isReady = true;
        for (var i = 0; i < callbacks.length; ++i)
            store.utils.callExternal('ready.callback', callbacks[i]);
        callbacks = [];
    }
    else if (cb) {
        if (isReady) {
            // defer execution to prevent falsy belief that code works
            // whereas it only works synchronously.
            setTimeout(function() {
                store.utils.callExternal('ready.callback', cb);
            }, 1);
            return this;
        }
        else {
            callbacks.push(cb);
        }
    }
    else {
        return isReady;
    }
    return this;
};

// Remove any callbacks registered with `ready`
store.ready.unregister = function(cb) {
    callbacks = callbacks.filter(function(o) {
        return o !== cb;
    });
};

store.ready.reset = function() {
    isReady = false;
    callbacks = [];
};

})();