Add onLoad/onStore

src/storage_manager/config/config.js

@@ -32,6 +32,17 @@ export default {
   // need to be done before save. Useful with remoteStorage to reduce remote calls
   stepsBeforeSave: 1,
 
+  /**
+   * Callback triggered before the store call (can be asynchronous).
+   * This can be used to enrich the project data to store.
+   */
+  onStore: data => data,
+
+  /**
+   * Callback triggered after the load call (can be asynchronous).
+   */
+  onLoad: data => data,
+
   // Default storage options
   options: {
     local: {

src/storage_manager/index.js

@@ -270,6 +270,7 @@ export default () => {
 
     async __exec(storage, opts, data) {
       const ev = data ? 'store' : 'load';
+      const { onStore, onLoad } = this.getConfig();
       let result;
 
       this.onStart(ev, data);
@@ -280,13 +281,15 @@ export default () => {
 
       try {
         if (data) {
-          const toStore = (opts.onStore && (await opts.onStore(data))) || data;
+          let toStore = (onStore && (await onStore(data))) || data;
+          toStore = (opts.onStore && (await opts.onStore(toStore))) || toStore;
           await storage.store(toStore, opts);
           result = data;
         } else {
           result = await storage.load(opts);
           result = this.__clearKeys(result);
           result = (opts.onLoad && (await opts.onLoad(result))) || result;
+          result = (onLoad && (await onLoad(result))) || result;
         }
         this.onAfter(ev, result);
         this.onEnd(ev, result);