Create global state in observer

Aaron Imming · Aaron Imming · commit 6dd49cd61497 · 2019-07-09T11:44:53.000+08:00
diff --git a/src/common/utils/observer.js b/src/common/utils/observer.js
@@ -3,6 +3,7 @@ import { Map, List } from 'immutable';
 export default class Observer {
     constructor() {
         this.eam = new Map(); // event action map
+        this.state = {};
     }
     register(event, _action, once, unregisterIfError, unregisterAllBefore) {
         if (unregisterAllBefore) {
@@ -53,6 +54,12 @@ export default class Observer {
             this.eam.get(event).forEach(action => action.action(data));
         }
     }
+    setState(state = {}) {
+        this.state = Object.assign({}, this.state, state);
+    }
+    getState(key) {
+        return this.state[key];
+    }
 }
 
 export const observer = new Observer();

Original file line number	Diff line number	Diff line change
`@@ -3,6 +3,7 @@ import { Map, List } from 'immutable';`
`3`	`3`	`export default class Observer {`
`4`	`4`	`constructor() {`
`5`	`5`	`this.eam = new Map(); // event action map`
	`6`	`+ this.state = {};`
`6`	`7`	`}`
`7`	`8`	`register(event, _action, once, unregisterIfError, unregisterAllBefore) {`
`8`	`9`	`if (unregisterAllBefore) {`
`@@ -53,6 +54,12 @@ export default class Observer {`
`53`	`54`	`this.eam.get(event).forEach(action => action.action(data));`
`54`	`55`	`}`
`55`	`56`	`}`
	`57`	`+ setState(state = {}) {`
	`58`	`+ this.state = Object.assign({}, this.state, state);`
	`59`	`+ }`
	`60`	`+ getState(key) {`
	`61`	`+ return this.state[key];`
	`62`	`+ }`
`56`	`63`	`}`
`57`	`64`
`58`	`65`	`export const observer = new Observer();`