<template>
  <div>
    <div v-if="editor">
      <button @click="editor.chain().focus().removeMarks().run()">
        clear formatting
      </button>
      <button @click="editor.chain().focus().undo().run()">
        undo
      </button>
      <button @click="editor.chain().focus().redo().run()">
        redo
      </button>
      <button @click="editor.chain().focus().bold().run()" :class="{ 'is-active': editor.isActive('bold') }">
        bold
      </button>
      <button @click="editor.chain().focus().italic().run()" :class="{ 'is-active': editor.isActive('italic') }">
        italic
      </button>
      <button @click="editor.chain().focus().heading({ level: 1 }).run()" :class="{ 'is-active': editor.isActive('heading', { level: 1 }) }">
        h1
      </button>
      <button @click="editor.chain().focus().heading({ level: 2 }).run()" :class="{ 'is-active': editor.isActive('heading', { level: 2 }) }">
        h2
      </button>
    </div>
    <editor-content :editor="editor" />
  </div>
</template>

<script>
import { Editor } from '@tiptap/core'
import { EditorContent } from '@tiptap/vue'
import Document from '@tiptap/extension-document'
import Paragraph from '@tiptap/extension-paragraph'
import Text from '@tiptap/extension-text'
import History from '@tiptap/extension-history'
import Bold from '@tiptap/extension-bold'
import Italic from '@tiptap/extension-italic'
import Code from '@tiptap/extension-code'
import CodeBlock from '@tiptap/extension-code-block'
import Heading from '@tiptap/extension-heading'

export default {
  components: {
    EditorContent,
  },

  data() {
    return {
      editor: null,
    }
  },

  mounted() {
    this.editor = new Editor({
      content: '<h2>Hey there!</h2><p>This editor is based on Prosemirror, fully extendable and renderless. You can easily add custom nodes as Vue components.</p>',
      extensions: [
        Document(),
        Paragraph(),
        Text(),
        CodeBlock(),
        History(),
        Bold(),
        Italic(),
        Code(),
        Heading(),
      ],
    })
  },

  beforeDestroy() {
    this.editor.destroy()
  },
}
</script>
