model/localStorage Cotonic

model/localStorage

get/+key
Gets item key from localStorage. Returns the content as payload.

cotonic.broker.call("model/localStorage/get/a")
.then(
    function(m) {
        console.log("a is set to:", m.payload)
    }
);

post/+key
Update, or insert message under key in localStorage.

cotonic.broker.publish("model/localStorage/post/a", "Hello world!");

delete/+key
Delete item stored under key from localStorage.

cotonic.broker.publish("model/localStorage/delete/a");

event/+key
Subscribe to changes or deletions from localStorage. When the message payload is null the item is delete. Otherwise the payload is set to the newly updated value.

cotonic.broker.subscribe("model/localStorage/event/+key",
    function(m, a) {
        if(m.payload === null) {
            console.log("localStorage item:", a.key, "deleted");
        else {
            console.log("localStorage item:", a.key, "changed", m.payload);
        }
    });
=> Logs update to localStorage elements.

event/ping
When the localStorage model is enabled it publishes a retained message under the topic model/localStorage/event/ping. It makes it possible to detect the localStorage model is enabled.

cotonic.broker.subscribe("model/localStorage/event/ping",
    function() {
        console.log("localStorage is enabled");
    });