42 lines
851 B
JavaScript
42 lines
851 B
JavaScript
import { Subscribable } from "./Subscribable.js";
|
|
import { SubscribeValue } from "./SubscribeValue.js";
|
|
|
|
class SubscribeMap extends Subscribable {
|
|
constructor() {
|
|
super();
|
|
Object.assign(this.events, {
|
|
addItem: [],
|
|
changeItem: [],
|
|
removeItem: [],
|
|
});
|
|
this.map = new Map();
|
|
}
|
|
|
|
has(key) {
|
|
return this.map.has(key) && this.map.get(key).exists();
|
|
}
|
|
|
|
get(key) {
|
|
if (this.map.has(key)) {
|
|
return this.map.get(key);
|
|
} else {
|
|
this.map.set(key, new SubscribeValue());
|
|
}
|
|
}
|
|
|
|
set(key, value) {
|
|
let s;
|
|
if (this.map.has(key)) {
|
|
s = this.map.get(key).set(value);
|
|
this.broadcast("changeItem", key);
|
|
} else {
|
|
s = new SubscribeValue().set(value);
|
|
this.map.set(key, s);
|
|
this.broadcast("addItem", key);
|
|
}
|
|
return s;
|
|
}
|
|
}
|
|
|
|
export { SubscribeMap };
|