experiments: add a figure + figcaption node

docs/src/demos/Experiments/Figure/index.vue

@@ -0,0 +1,81 @@
+<template>
+  <div v-if="editor">
+    <editor-content :editor="editor" />
+
+    <h2>HTML</h2>
+    {{ editor.getHTML() }}
+  </div>
+</template>
+
+<script>
+import { Editor, EditorContent } from '@tiptap/vue-2'
+import StarterKit from '@tiptap/starter-kit'
+import { Figure } from './figure'
+
+export default {
+  components: {
+    EditorContent,
+  },
+
+  data() {
+    return {
+      editor: null,
+    }
+  },
+
+  mounted() {
+    this.editor = new Editor({
+      extensions: [
+        StarterKit,
+        Figure,
+      ],
+      content: `
+        <p>Figure + Figcaption</p>
+        <figure>
+          <img src="https://source.unsplash.com/8xznAGy4HcY/800x400" alt="Random photo of something" title="Who’s dat?">
+          <figcaption>
+            <p>Amazing caption</p>
+          </figcaption>
+        </figure>
+        <p>That’s it.</p>
+      `,
+    })
+  },
+
+  beforeDestroy() {
+    this.editor.destroy()
+  },
+}
+</script>
+
+<style lang="scss" scoped>
+::v-deep {
+  .ProseMirror {
+    > * + * {
+      margin-top: 0.75em;
+    }
+
+    figure {
+      max-width: 25rem;
+      border: 3px solid #0D0D0D;
+      border-radius: 0.5rem;
+      margin: 1rem 0;
+      padding: 0.5rem;
+    }
+
+    figcaption {
+      margin-top: 0.25rem;
+      text-align: center;
+      padding: 0.5rem;
+      border: 2px dashed #0D0D0D20;
+      border-radius: 0.5rem;
+    }
+
+    img {
+      max-width: 100%;
+      height: auto;
+      border-radius: 0.5rem;
+    }
+  }
+}
+</style>