diff --git a/app.js b/app.js
new file mode 100644
index 0000000..79a22e0
--- /dev/null
+++ b/app.js
@@ -0,0 +1,120 @@
+import { FileGroup } from "/editor/file-group.js"
+import { FileView } from "/editor/file-view.js"
+import { TextEdit } from "/editor/text-edit.js"
+import { ButtonGroup } from "/forms/button-group.js"
+import { Dropdown } from "/menu/dropdown.js"
+import { Builder } from "/loader/builder.js"
+
+customElements.define(
+  'm-editor-file-group', FileGroup
+)
+customElements.define(
+  'm-editor-file-view', FileView
+)
+customElements.define(
+  'm-editor-text-edit', TextEdit
+)
+customElements.define(
+  'm-forms-button-group', ButtonGroup
+)
+customElements.define(
+  'm-menu-dropdown', Dropdown
+)
+
+class EditorApp extends HTMLElement {
+  constructor() {
+    super()
+    this.attachShadow({mode: 'open'})
+    this.loaded = false
+    this.el = document.createElement(
+      'm-editor-file-group'
+    )
+    addEventListener('message', event => {
+      const message = event.data
+      if (Array.isArray(message)) {
+        if (message[0] === 'doc' && !this.loaded) {
+          this.load(message[1])
+          this.loaded = true
+          this.shadowRoot.appendChild(this.el)
+        } else if (message[0] === 'request-html') {
+          const files = this.el.files.map(
+            ({name, data}) => ({name, data})
+          )
+          this.display(files)
+        }
+      }
+    })
+    parent.postMessage(['ready'], '*')
+    this.shadowRoot.addEventListener('input', (e) => {
+      this.handleInput()
+    })
+  }
+
+  connectedCallback() {
+    const style = document.createElement('style')
+    style.textContent = `
+      :host {
+        display: flex;
+        flex-direction: column;
+        align-items: stretch;
+        margin: 8px;
+      }
+    `
+    this.shadowRoot.append(style)
+  }
+
+  load(doc) {
+    const files = JSON.parse(doc).files
+    for (const file of files) {
+      this.el.addFile(file)
+    }
+    this.display(files)
+  }
+
+  save(e) {
+    const files = this.el.files.map(
+      ({name, data}) => ({name, data})
+    )
+    const data = JSON.stringify({
+      type: 'm-file-group',
+      files,
+    })
+    parent.postMessage(['save', data], '*')
+  }
+
+  display(files) {
+    const builder = new Builder(files)
+    const html = builder.build(files)
+    parent.postMessage(['html', html], '*')
+  }
+
+  handleInput(e) {
+    this.lastInputEvent = e
+    if (!this.inputTimeout) {
+      this.save(this.lastInputEvent)
+      this.lastInputEvent = undefined
+      this.inputTimeout = setTimeout(() => {
+        this.inputTimeout = undefined
+        if (this.lastInputEvent) {
+          this.handleInput(this.lastInputEvent)
+        }
+      }, 100)
+    }
+  }
+}
+
+customElements.define(
+  'm-editor-app', EditorApp
+)
+
+class Setup {
+  async run() {
+    document.body.appendChild(
+      document.createElement(
+        'm-editor-app'
+      )
+    )
+  }
+}
+
+new Setup().run()
\ No newline at end of file
diff --git a/file-view.js b/file-view.js
index 1522f0a..b925f22 100644
--- a/file-view.js
+++ b/file-view.js
@@ -39,7 +39,7 @@ export class FileView extends HTMLElement {
     this.menu = document.createElement(
       'm-menu-dropdown'
     )
-    this.menu.add('Borrar', () => {
+    this.menu.add(this.text.delete, () => {
       this.remove()
     })
     this.shadowRoot.appendChild(this.menu)
diff --git a/text-edit.js b/text-edit.js
index f32db0b..398cfea 100644
--- a/text-edit.js
+++ b/text-edit.js
@@ -6,6 +6,7 @@ export class TextEdit extends HTMLElement {
     this.stackEl.classList.add('stack')
     this.textEl = document.createElement('textarea')
     this.textEl.classList.add('text')
+    this.textEl.setAttribute('spellcheck', 'false')
     this.textEl.rows = 1
     this.stackEl.appendChild(this.textEl)
     this.shadowRoot.appendChild(this.stackEl)
@@ -50,7 +51,7 @@ export class TextEdit extends HTMLElement {
   set value(value) {
     this.textEl.value = value
     this.stackEl.dataset.copy = this.textEl.value
-  }
+  }  
 
   get value() {
     return this.textEl.value