remove maintain attrs

assets/js/app.js

@@ -28,14 +28,13 @@ import { LiveSocket } from 'phoenix_live_view'
 import topbar from 'topbar'
 import Date from './date'
 import DateTime from './datetime'
-import MaintainAttrs from './maintain_attrs'
 
 const csrfTokenElement = document.querySelector("meta[name='csrf-token']")
 let csrfToken
 if (csrfTokenElement) { csrfToken = csrfTokenElement.getAttribute('content') }
 const liveSocket = new LiveSocket('/live', Socket, {
   params: { _csrf_token: csrfToken },
-  hooks: { Date, DateTime, MaintainAttrs }
+  hooks: { Date, DateTime }
 })
 
 // Show progress bar on live navigation and form submits

assets/js/maintain_attrs.js

@@ -1,22 +0,0 @@
-// maintain user adjusted attributes, like textbox length on phoenix liveview
-// update. https://github.com/phoenixframework/phoenix_live_view/issues/1011
-
-export default {
-  attrs () {
-    if (this.el && this.el.getAttribute('data-attrs')) {
-      return this.el.getAttribute('data-attrs').split(', ')
-    } else {
-      return []
-    }
-  },
-  beforeUpdate () {
-    if (this.el) {
-      this.prevAttrs = this.attrs().map(name => [name, this.el.getAttribute(name)])
-    }
-  },
-  updated () {
-    if (this.el) {
-      this.prevAttrs.forEach(([name, val]) => this.el.setAttribute(name, val))
-    }
-  }
-}