handle error for local plugin

src/app/components/local-plugin.js

@@ -12,8 +12,16 @@ module.exports = class LocalPlugin {
   open (plugins) {
     this.profile = JSON.parse(localStorage.getItem('plugins/local')) || { notifications: {} }
     return new Promise((resolve, reject) => {
+      const onValidation = () => {
+        try {
+          const profile = this.create()
+          resolve(profile)
+        } catch (err) {
+          reject(err)
+        }
+      }
       modalDialog('Local Plugin', this.form(plugins),
-        { fn: () => resolve(this.create()) },
+        { fn: () => onValidation() },
         { fn: () => resolve() }
       )
     })
@@ -94,7 +102,7 @@ module.exports = class LocalPlugin {
     return yo`
     <form id="local-plugin-form" onsubmit="${e => this.validate(e)}">
       <div class="form-group">
-        <label for="plugin-name">Plugin Name</label>
+        <label for="plugin-name">Plugin Name <small>(required)</small></label>
         <input class="form-control" onchange="${e => this.updateName(e)}" value="${name}" id="plugin-name" placeholder="Should be camelCase">
       </div>
       <div class="form-group">
@@ -102,7 +110,7 @@ module.exports = class LocalPlugin {
         <input class="form-control" onchange="${e => this.updateDisplayName(e)}" value="${displayName}" id="plugin-displayname" placeholder="Name in the header">
       </div>
       <div class="form-group">
-        <label for="plugin-url">Url</label>
+        <label for="plugin-url">Url <small>(required)</small></label>
         <input class="form-control" onchange="${e => this.updateUrl(e)}" value="${url}" id="plugin-url" placeholder="ex: https://localhost:8000">
       </div>
       <div class="form-group">

src/app/components/plugin-manager-component.js

@@ -104,11 +104,15 @@ class PluginManagerComponent {
    * Add a local plugin to the list of plugins
    */
   async openLocalPlugin () {
+    try {
       const profile = await this.localPlugin.open(this.store.getAll())
       if (!profile) return
       const resolveLocaton = (iframe) => this.appManager.resolveLocation(profile, iframe)
       const api = new Plugin(profile, { resolveLocaton })
       this.appManager.init([{profile, api}])
+    } catch (err) {
+      console.log(`Cannot create Plugin : ${err.message}`)
+    }
   }
 
   render () {