fickle-rivets-adapter.js

var rv          = require("rivets");
var fickle      = require("fickle");

// Attempt at making a rivets/fickle adapter that remembers keypaths,
// really doesn't work when you start trying to set values :/

function adapt() {
    var ctx = fickle.context();
    history = {};

    function stack(verb, obj, keypath) {
        //Keep last accessed fickle object and full keypaths
        if(!history[verb]) history[verb] = {obj : null, path : ''};
        h = history[verb];
        if(obj._hook) {
            h.obj = obj;
            h.path = keypath;
        } else {
            h.path += '.'+keypath;
        }
        return h;
    }

    rv.adapters['.'] = {
        observe: function(obj, keypath, callback) {
            var h = stack('observe', obj, keypath);
            console.log('observe', keypath, h);
            ctx.on(h.obj, h.path, callback);
        },

        unobserve: function(obj, keypath, callback) {
            var h = stack('unobserve', obj, keypath);
            console.log('unobserve', keypath, h);
            ctx.clear(h.obj, h.path, callback);
        },
        get: function(obj, keypath) {
            var h = stack('get', obj, keypath);
            console.log('get', keypath, h);
            return h.obj.get(h.path);
        },
        set: function(obj, keypath, value) {
            var h = stack('get', obj, keypath);
            console.log('set', obj, keypath, h.obj, h.path);
            return h.obj.get(h.path);
        }
    };
}

adapt();

var page = fickle({
    title : "HELLO WORLD",
    data  : {
        firstname : "Pomke",
        lastname : "Nohkan"
    }
});

rv.bind(document, page);