packages/rich-text: fix tests

Bump node-fetch from 2.6.1 to 2.6.7

.editorconfig

@@ -1,7 +1,24 @@
-[*.{js,jsx,ts,tsx,vue}]
+# Editor configuration, see http://editorconfig.org
+root = true
+
+[*]
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+charset = utf-8
 indent_style = space
 indent_size = 2
-end_of_line = lf
-trim_trailing_whitespace = true
-insert_final_newline = true
-max_line_length = 100
+
+# Ignore diffs/patches
+[*.{diff,patch}]
+end_of_line = unset
+insert_final_newline = unset
+trim_trailing_whitespace = unset
+indent_size = unset
+charset = unset
+indent_style = unset
+indent_size = unset
+
+[*.md]
+max_line_length = off
+trim_trailing_whitespace = false

.envrc

@@ -0,0 +1,2 @@
+watch_file flake.nix
+use_flake

.gitignore

@@ -1,5 +1,13 @@
+.direnv
 node_modules
 .DS_Store
 dist
 dist-ssr
 *.local
+tags
+.temp
+.cache
+docs/.vitepress/cache
+docs/.vitepress/dist
+__screenshots__
+__snapshots__

LICENSE.md

@@ -0,0 +1,660 @@
+### GNU AFFERO GENERAL PUBLIC LICENSE
+
+Version 3, 19 November 2007
+
+Copyright (C) 2007 Free Software Foundation, Inc.
+<https://fsf.org/>
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+#### 15. Disclaimer of Warranty.
+
+THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
+APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
+HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT
+WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND
+PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE PROGRAM PROVE
+DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR OR
+CORRECTION.
+
+#### 16. Limitation of Liability.
+
+IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR
+CONVEYS THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
+INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES
+ARISING OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT
+NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR
+LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM
+TO OPERATE WITH ANY OTHER PROGRAMS), EVEN IF SUCH HOLDER OR OTHER
+PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+
+#### 17. Interpretation of Sections 15 and 16.
+
+If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+END OF TERMS AND CONDITIONS
+
+### How to Apply These Terms to Your New Programs
+
+If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these
+terms.
+
+To do so, attach the following notices to the program. It is safest to
+attach them to the start of each source file to most effectively state
+the exclusion of warranty; and each file should have at least the
+"copyright" line and a pointer to where the full notice is found.
+
+        <one line to give the program's name and a brief idea of what it does.>
+        Copyright (C) <year>  <name of author>
+
+        This program is free software: you can redistribute it and/or modify
+        it under the terms of the GNU Affero General Public License as
+        published by the Free Software Foundation, either version 3 of the
+        License, or (at your option) any later version.
+
+        This program is distributed in the hope that it will be useful,
+        but WITHOUT ANY WARRANTY; without even the implied warranty of
+        MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+        GNU Affero General Public License for more details.
+
+        You should have received a copy of the GNU Affero General Public License
+        along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper
+mail.
+
+If your software can interact with users remotely through a computer
+network, you should also make sure that it provides a way for users to
+get its source. For example, if your program is a web application, its
+interface could display a "Source" link that leads users to an archive
+of the code. There are many ways you could offer source, and different
+solutions will be better for different programs; see section 13 for
+the specific requirements.
+
+You should also get your employer (if you work as a programmer) or
+school, if any, to sign a "copyright disclaimer" for the program, if
+necessary. For more information on this, and how to apply and follow
+the GNU AGPL, see <https://www.gnu.org/licenses/>.

docs/.vitepress/config.mts

@@ -0,0 +1,47 @@
+import { defineConfig } from 'vitepress';
+import { defineConfig as defineViteConfig } from 'vite';
+import vueJsx from '@vitejs/plugin-vue-jsx'
+import { join } from 'path';
+
+export default defineConfig({
+  lang: 'en-US',
+  title: 'Schlechtenburg',
+  description: 'Experimental WYSIWYG editor framework made with Vue 3 and TypeScript',
+  lastUpdated: true,
+
+  themeConfig: {
+    sidebar: [
+      {
+        text: 'User Guide',
+        items: [
+          { text: 'Introduction', link: '/' },
+          { text: 'Try it out', link: '/try' },
+          { text: 'Why Schlechtenburg?', link: '/why' },
+          { text: 'Installation and usage', link: '/installation' },
+        ]
+      },
+      {
+        text: 'Creating Blocks',
+        items: [
+          { text: 'Basics', link: '/creating-blocks/' },
+          { text: 'Examples', link: '/creating-blocks/examples' },
+        ]
+      }
+    ]
+  },
+
+  vite: defineViteConfig({
+    plugins: [
+      vueJsx(),
+    ],
+    resolve: {
+      alias: {
+        '@schlechtenburg/core': join(__dirname, '../../packages/core/lib/index.ts'),
+        '@schlechtenburg/paragraph': join(__dirname, '../../packages/paragraph/lib/index.ts'),
+        '@schlechtenburg/heading': join(__dirname, '../../packages/heading/lib/index.ts'),
+        '@schlechtenburg/image': join(__dirname, '../../packages/image/lib/index.ts'),
+        '@schlechtenburg/layout': join(__dirname, '../../packages/layout/lib/index.ts'),
+      },
+    },
+  }),
+});

docs/ExampleEditor.scss

@@ -0,0 +1,42 @@
+.example-editor {
+  display: flex;
+  flex-direction: column;
+	margin-left: 4rem;
+
+  &--mode {
+    display: flex;
+    justify-content: stretch;
+    align-items: center;
+  }
+
+  &--mode-tab {
+    display: flex;
+    margin-top: 1px;
+    padding: 0.25rem 1rem;
+    border-top: 1px solid var(--vp-c-divider-light);
+    border-right: 1px solid var(--vp-c-divider-light);
+
+    input {
+      display: none;
+    }
+
+    &_checked {
+      color: var(--vp-c-brand);
+    }
+  }
+
+  &--sb {
+    display: flex;
+    flex-direction: column;
+    border: 1px solid var(--vp-c-divider-light);
+  }
+
+  &--json {
+    margin: 0;
+    border: 1px solid var(--vp-c-divider-light);
+
+    background-color: var(--vp-c-text-1);
+    color: var(--vp-c-bg);
+    overflow: scroll;
+  }
+}

docs/ExampleEditor.tsx

@@ -0,0 +1,102 @@
+import {
+  computed,
+  defineComponent,
+  reactive,
+  ref,
+} from 'vue';
+
+import { SbMain, IBlockData, SbMode } from '@schlechtenburg/core';
+
+import SbLayout from '@schlechtenburg/layout';
+import SbHeading from '@schlechtenburg/heading';
+import SbParagraph from '@schlechtenburg/paragraph';
+import SbImage from '@schlechtenburg/image';
+
+import exampleData from './example-data';
+
+import './ExampleEditor.scss';
+
+export default defineComponent({
+  name: 'ExampleEditor',
+
+  setup() {
+    const activeTab = ref('edit');
+    const block: IBlockData<any> = reactive({ ...exampleData });
+    const dateID = +(new Date());
+
+    const displayedElement = computed(() => {
+      switch (activeTab.value) {
+        case 'data':
+          return <pre class="example-editor--json"><code>{ JSON.stringify(block, null, 2) }</code></pre>;
+        default:
+          return <SbMain
+            class="example-editor--sb"
+            block={block}
+            availableBlocks={[
+              SbLayout,
+              SbHeading,
+              SbImage,
+              SbParagraph,
+            ]}
+            mode={activeTab.value as SbMode}
+            eventUpdate={(data:IBlockData<any>) => {
+              block.id = data.id;
+              block.name = data.name;
+              block.data = data.data;
+            }}
+          />;
+      }
+    });
+
+    const onModeChange = ($event: Event) => {
+      activeTab.value = ($event.target as HTMLSelectElement).value;
+    };
+
+    return () => {
+      return <div class="example-editor">
+        <div class="example-editor--mode">
+          <label class={{
+            'example-editor--mode-tab': true,
+            'example-editor--mode-tab_checked': activeTab.value === SbMode.Edit,
+          }}>
+            <input
+              type="radio"
+              name={`example-editor-${dateID}`}
+              value={SbMode.Edit}
+              checked={activeTab.value === SbMode.Edit}
+              onChange={onModeChange}
+            />
+            Editor mode
+          </label>
+          <label class={{
+            'example-editor--mode-tab': true,
+            'example-editor--mode-tab_checked': activeTab.value === SbMode.View,
+          }}>
+            <input
+              type="radio"
+              name={`example-editor-${dateID}`}
+              value={SbMode.View}
+              checked={activeTab.value === SbMode.View}
+              onChange={onModeChange}
+            />
+            View mode
+          </label>
+          <label class={{
+            'example-editor--mode-tab': true,
+            'example-editor--mode-tab_checked': activeTab.value === "data",
+          }}>
+            <input
+              type="radio"
+              name={`example-editor-${dateID}`}
+              value="data"
+              checked={activeTab.value === "data"}
+              onChange={onModeChange}
+            />
+            JSON Data structure
+          </label>
+        </div>
+        {displayedElement.value}
+      </div>;
+    };
+  },
+});

docs/ExampleStandaloneEditor.tsx

@@ -0,0 +1,51 @@
+import {
+  defineComponent,
+  onMounted,
+} from 'vue';
+
+import { startSchlechtenburg } from '@schlechtenburg/standalone';
+import { SbMode } from '@schlechtenburg/core';
+
+import SbLayout from '@schlechtenburg/layout';
+import SbHeading from '@schlechtenburg/heading';
+import SbParagraph from '@schlechtenburg/paragraph';
+import SbImage from '@schlechtenburg/image';
+
+import exampleData from './example-data';
+
+import './ExampleEditor.scss';
+
+export default defineComponent({
+  name: 'ExampleStandaloneEditor',
+
+  setup() {
+    const block = exampleData;
+
+    onMounted(async () => {
+      // getBlock could be used to access the block data inside the editor
+      const { getBlock } = await startSchlechtenburg(
+        '#example-editor',
+        {
+          // The input block data
+          block,
+
+          mode: SbMode.Edit,
+          // The list of available blocks in this editor instance
+          availableBlocks: [
+            SbLayout,
+            SbHeading,
+            SbParagraph,
+            SbImage,
+          ],
+
+          // This callback will be alled any time the block data gets updated
+          onUpdate: (blockData) => {
+            console.log('got update', blockData);
+          }
+        },
+      )
+    });
+
+    return () => <div id="example-editor"></div>;
+  },
+});

docs/api.json

@@ -0,0 +1,165 @@
+{
+	"id": 6,
+	"name": "Documentation",
+	"variant": "project",
+	"kind": 1,
+	"flags": {},
+	"children": [
+		{
+			"id": 7,
+			"name": "@schlechtenburg/core",
+			"variant": "declaration",
+			"kind": 2,
+			"flags": {},
+			"readme": [
+				{
+					"kind": "text",
+					"text": "# "
+				},
+				{
+					"kind": "code",
+					"text": "`@schlechtenburg/core`"
+				},
+				{
+					"kind": "text",
+					"text": "\n\n> TODO: description\n\n## Usage\n\n"
+				},
+				{
+					"kind": "code",
+					"text": "```\nconst core = require('@schlechtenburg/core');\n\n// TODO: DEMONSTRATE API\n```"
+				}
+			]
+		},
+		{
+			"id": 8,
+			"name": "@schlechtenburg/heading",
+			"variant": "declaration",
+			"kind": 2,
+			"flags": {},
+			"readme": [
+				{
+					"kind": "text",
+					"text": "# "
+				},
+				{
+					"kind": "code",
+					"text": "`@schlechtenburg/heading`"
+				},
+				{
+					"kind": "text",
+					"text": "\n\n> TODO: description\n\n## Usage\n\n"
+				},
+				{
+					"kind": "code",
+					"text": "```\nconst heading = require('@schlechtenburg/heading');\n\n// TODO: DEMONSTRATE API\n```"
+				}
+			]
+		},
+		{
+			"id": 9,
+			"name": "@schlechtenburg/standalone",
+			"variant": "declaration",
+			"kind": 2,
+			"flags": {},
+			"readme": [
+				{
+					"kind": "text",
+					"text": "# "
+				},
+				{
+					"kind": "code",
+					"text": "`@schlechtenburg/core`"
+				},
+				{
+					"kind": "text",
+					"text": "\n\n> TODO: description\n\n## Usage\n\n"
+				},
+				{
+					"kind": "code",
+					"text": "```\nconst core = require('@schlechtenburg/core');\n\n// TODO: DEMONSTRATE API\n```"
+				}
+			]
+		},
+		{
+			"id": 10,
+			"name": "@schlechtenburg/paragraph",
+			"variant": "declaration",
+			"kind": 2,
+			"flags": {},
+			"readme": [
+				{
+					"kind": "text",
+					"text": "# "
+				},
+				{
+					"kind": "code",
+					"text": "`@schlechtenburg/paragraph`"
+				},
+				{
+					"kind": "text",
+					"text": "\n\n> TODO: description\n\n## Usage\n\n"
+				},
+				{
+					"kind": "code",
+					"text": "```\nconst paragraph = require('@schlechtenburg/paragraph');\n\n// TODO: DEMONSTRATE API\n```"
+				}
+			]
+		},
+		{
+			"id": 11,
+			"name": "@schlechtenburg/layout",
+			"variant": "declaration",
+			"kind": 2,
+			"flags": {},
+			"readme": [
+				{
+					"kind": "text",
+					"text": "# "
+				},
+				{
+					"kind": "code",
+					"text": "`@schlechtenburg/layout`"
+				},
+				{
+					"kind": "text",
+					"text": "\n\n> TODO: description\n\n## Usage\n\n"
+				},
+				{
+					"kind": "code",
+					"text": "```\nconst layout = require('@schlechtenburg/layout');\n\n// TODO: DEMONSTRATE API\n```"
+				}
+			]
+		},
+		{
+			"id": 12,
+			"name": "@schlechtenburg/image",
+			"variant": "declaration",
+			"kind": 2,
+			"flags": {},
+			"readme": [
+				{
+					"kind": "text",
+					"text": "# "
+				},
+				{
+					"kind": "code",
+					"text": "`@schlechtenburg/image`"
+				},
+				{
+					"kind": "text",
+					"text": "\n\n> TODO: description\n\n## Usage\n\n"
+				},
+				{
+					"kind": "code",
+					"text": "```\nconst image = require('@schlechtenburg/image');\n\n// TODO: DEMONSTRATE API\n```"
+				}
+			]
+		}
+	],
+	"packageName": "schlechtenburg",
+	"symbolIdMap": {},
+	"files": {
+		"entries": {},
+		"reflections": {}
+	}
+}

docs/creating-blocks/examples.md

@@ -0,0 +1,3 @@
+# Example blocks
+
+As Schlechtenburg is still in active development, it's good to check out the official blocks to see what they look like.

docs/creating-blocks/index.md

@@ -0,0 +1,23 @@
+# Creating blocks
+
+After you've been using Schlechtenburg for a short while, you'll probably end up wanting to create your own blocks.
+
+## The anatomy of a block
+
+In general, a block is a javascript object that implements the `IBlockDefinition<T>` interface.
+
+A functional block contains all of the following:
+
+1. A unique name. This will be used to assign JSON data to your specific block. It's good practice to prefix these so you don't run into conflicts with other blocks. Official Schlechtenburg block names are prefixed with `sb-`.
+2. A function that returns a JSON structure representing an "empty" or "default" instance of your block.
+3. A component for the edit mode.
+4. A component for the view mode.
+
+```ts
+export default {
+  name,
+  getDefaultData,
+  edit: defineAsyncComponent(() => import('./edit')),
+  view: defineAsyncComponent(() => import('./view')),
+} as IBlockDefinition<any>;
+```

docs/examples.md

@@ -0,0 +1,20 @@
+<script setup>
+import ExampleEditor from './ExampleEditor'
+import ExampleStandaloneEditor from './ExampleStandaloneEditor'
+</script>
+
+# Examples
+
+## As a View Component
+
+This documentation website already uses Vue under the hood, so Schlechtenburg can just imported as
+any other component:
+
+<ExampleEditor></ExampleEditor>
+
+## Standalone
+
+`@schlechtenburg/standalone` gives you a wrapped version of the editor in case you don't have Vue
+already installed in your application
+
+<ExampleStandaloneEditor></ExampleStandaloneEditor>

docs/index.md

@@ -0,0 +1,19 @@
+---
+layout: home
+
+hero:
+  name: Schlechtenburg
+  text: WYSIWYG that's fun.
+  tagline: What-you-see-is-what-you-get editors are unfortunately still really hard to deal with on the web. The default functionality is usually quickly deployed, but the honeymoon does not last long.
+
+
+    Changes to editor behavior are always needed in the real-world, a fact that Schlechtenburg embraces.
+
+  actions:
+    - theme: brand
+      text: Try it out
+      link: /try
+    - theme: alt
+      text: View Code
+      link: https://git.b12f.io/b12f/schlechtenburg
+---

docs/installation.md

@@ -0,0 +1,120 @@
+# Installation and usage
+
+Schlechtenburg is very modular; consisting of one core package and multiple blocks. All packages are versioned together,
+meaning that v2.0.3 of one package is guaranteed to work with v2.0.3 of another schlechtenburg package.
+
+Schlechtenburg is basically one Vue component, so if you're already using Vue you can import and use it directly.
+Otherwise, there's the standalone version that comes prepackaged with Vue.
+
+[Projects without Vue 3](#your-project-does-not-use-vue-3) | [Projects with Vue 3](#your-project-uses-vue-3)
+
+## Your project does not use Vue 3
+
+### Install npm packages
+
+Install the standalone editor and any blocks you want to use:
+
+```ts
+npm i --save @schlechtenburg/standalone \
+  @schlechtenburg/layout \
+  @schlechtenburg/heading \
+  @schlechtenburg/paragraph
+```
+
+### Initializing the editor
+
+```ts
+// Import the initialization function
+import { startSchlechtenburg } from '@schlechtenburg/standalone';
+import { SbMode } from '@schlechtenburg/core';
+
+// The following are some Schlechtenburg blocks that
+// will be available when editing or viewing
+import {
+  SbLayout,
+  getDefaultData as getEmptyLayoutBlock,
+} from '@schlechtenburg/layout';
+import { SbHeading } from '@schlechtenburg/heading';
+import { SbParagraph } from '@schlechtenburg/paragraph';
+import { SbImage } from '@schlechtenburg/image';
+
+// This will be our input state
+const emptyLayout = getEmptyLayoutBlock();
+
+// This call initializes the Schlechtenburg editor and viewer.
+useSchlechtenburg(
+  // Selector of the element the editor should bind to.
+  // Can also the an `HTMLElement` reference.
+  '#editor', 
+  {
+    // The input block data
+    block: emptyLayout,
+
+    // Whether Schlechtenburg is in what-you-see (editing)
+    // or in what-you-get (viewing)
+    mode: SbMode.Edit,
+
+    // The list of available blocks in this editor instance
+    availableBlocks: [
+      SbLayout,
+      SbHeading,
+      SbParagraph,
+      SbImage,
+    ],
+
+    // This callback will be alled any time the block data gets updated
+    onUpdate: (blockData) => {
+      console.log('Got new block data', blockData);
+    }
+  }, // 
+)
+
+```
+
+**Note:** You need to provide both a root node
+
+## Your project uses Vue 3
+
+
+### Install npm packages
+
+Install the editor core and any blocks you want to use:
+
+```
+npm i --save @schlechtenburg/core \
+  @schlechtenburg/layout \
+  @schlechtenburg/heading \
+  @schlechtenburg/paragraph
+```
+
+
+### Using the editor component
+
+The following example uses TSX, but `SbMain` is just a Vue component here and can be imported and used just like any other vue component.
+
+You need to provide a root
+
+```tsx
+// This is the main Schlechtenburg component
+import { SbMain } from '@schlechtenburg/core';
+
+// The following are some Schlechtenburg blocks that will be available when editing or viewing
+import { SbLayout } from '@schlechtenburg/layout';
+import { SbHeading } from '@schlechtenburg/heading';
+import { SbParagraph } from '@schlechtenburg/paragraph';
+import { SbImage } from '@schlechtenburg/image';
+
+// In your component
+setup () {
+  // ..
+
+  return () => <SbMain
+    availableBlocks={[
+      SbLayout,
+      SbHeading,
+      SbParagraph,
+      SbImage,
+    ]}
+  />;
+}
+```

docs/main.scss

@@ -0,0 +1,72 @@
+*,
+*::before,
+*::after {
+  box-sizing: border-box; 
+}
+
+html {
+  --grey-0: white;
+  --grey-1-t: rgba(0, 0, 0, 0.05);
+  --grey-1: rgb(242, 242, 242);
+  --grey-2-t: rgba(0, 0, 0, 0.1);
+  --grey-2: rgb(230, 230, 230);
+  --grey-3-t: rgba(0, 0, 0, 0.2);
+  --grey-3: rgb(205, 205, 205);
+  --grey-4-t: rgba(0, 0, 0, 0.4);
+  --grey-4: rgb(155, 155, 155);
+  --grey-5-t: rgba(0, 0, 0, 0.7);
+  --grey-5: rgb(75, 75, 75);
+  --black: rgba(0, 0, 0, 0.9);
+
+  --bg: var(--grey-1);
+  --fg: var(--black);
+
+  --interact: #3f9cff;
+  --interact-lite: #3f9cff;
+}
+
+body {
+  margin: 0;
+  min-height: 100vh;
+}
+
+.sb-doc h1,
+.sb-doc h2,
+.sb-doc h3,
+.sb-doc h4,
+.sb-doc h5,
+.sb-doc h6 {
+  position: relative;
+  font-weight: 600;
+  outline: none;
+}
+
+.sb-doc h1 {
+  letter-spacing: -0.02em;
+  line-height: 40px;
+  font-size: 28px;
+}
+
+.sb-doc h2 {
+  margin: 48px 0 16px;
+  border-top: 1px solid var(--vp-c-divider-light);
+  padding-top: 24px;
+  letter-spacing: -0.02em;
+  line-height: 32px;
+  font-size: 24px;
+}
+
+.sb-doc h3 {
+  margin: 32px 0 0;
+  letter-spacing: -0.01em;
+  line-height: 28px;
+  font-size: 20px;
+}
+
+@media (min-width: 768px) {
+  .sb-doc h1 {
+    letter-spacing: -0.02em;
+    line-height: 40px;
+    font-size: 32px;
+  }
+}

docs/main.ts

@@ -0,0 +1,21 @@
+import { createApp } from 'vue'
+import { createRouter, createWebHistory } from 'vue-router';
+import routes  from './routes';
+import App from './App';
+import './main.scss';
+
+const router = createRouter({
+  routes,
+  history: createWebHistory(),
+  scrollBehavior(to) {
+    if (to.hash) {
+      return { el: to.hash };
+    }
+
+    return { top: 0 };
+  }
+});
+
+const app = createApp(App);
+app.use(router);
+app.mount('#app');

docs/try.md

@@ -0,0 +1,8 @@
+---
+layout: page
+---
+<script setup>
+import ExampleEditor from './ExampleEditor';
+</script>
+
+<ExampleEditor></ExampleEditor>

docs/usage.md

@@ -0,0 +1 @@
+# Usage

docs/why.md

@@ -0,0 +1,81 @@
+# Why Schlechtenburg?
+
+Installing a WYSIWYG editor in your application or on your website is often the easy part. The hard
+part comes afterwards: extending and customizing the editor to fit your specific needs. There are
+currently a couple of very good editors, but after reading this text I think you'll agree there's
+still room for improvement. We'll be looking at the following alternative WYSIWYG editors:
+
+* [Quill](https://quilljs.com/)
+* [CKEditor](https://ckeditor.com/ckeditor-5/)
+* [Gutenberg](https://wordpress.org/gutenberg/)
+
+## Block based
+
+Though all three are meant for text editing, Quill and CKEditor are a bit more explicit about this
+in their architecture:
+
+* They input and output a string
+* They have one global toolbar
+
+Gutenberg is a bit more involved, literally using building "blocks" to create its editor. Instead
+of seeing the content as a long string it takes a more component-esque approach. For example, the
+following things are all their own blocks in the gutenberg editor, which a specific react component
+that handles the editing mode, and one that handles the display mode:
+
+* Paragraph
+* Heading
+* List
+* Image
+* Column-based layout
+* External media embeds like YouTube videos
+
+When editing, you are editing, adding or removing one specific block at a time. Blocks can contain
+other blocks in a tree structure, and they all have their own (but uniform) editing UI.
+
+Schlechtenburg takes a block based approach, just like its namesake Gutenberg. This has a couple of advantages:
+
+* You can take strong control over the final rendered HTML of a block that you create
+* Blocks are easily published as reusable JS modules
+* You very rarely need blocks inside text, but the reverse has abundant usecases
+* The mental model is closer to how actual HTML works
+* Very complex pages can be handled by the editor 
+* If you know React or Vue, you understand a lot about how to write blocks for the editor
+
+## Design system with standardized components
+
+Making sure the final rendered data looks correct is always easier than making sure the editing
+experience is great. Schlechtenburg aims to offer a vast library of reusable components, patterns,
+variables, and rules for the editing UI. We call this **SBUI**. Complex blocks require complex editing forms and UIs so
+most of the work goes into creating this UI. A good Design System should help ease the pain.
+
+## Accessible 
+
+Toolbars and editing elements are in the correct tab order, **SBUI** elements are all fully
+accessible.
+
+## JSON only
+
+Input and Output is one standardized, typed, JSON-stringifyable object. For example, a paragraph
+looks like this:
+
+```
+{
+  id: '1590592116800',
+  name: 'sb-paragraph',
+  data: {
+    value: 'This is the second paragraph<br>',
+    align: 'left'
+  }
+},
+```
+
+The main advantage here is that it enables you to write your own tooling around the format, since
+you don't have to deal with HTML or the DOM directly. This also enables really easy subtree rendering,
+by just taking that subtree of the JSON and feeding it to a Schlechtenburg instance. if instead of
+rendering a full page you'd only want to render the images, you could find all of the `sb-image` nodes
+in the tree and rendering them all inside an `sb-layout` block.
+
+## So why not Gutenberg?
+
+Gutenberg is tied heavily into the Wordpress ecosystem, making its inclusion in other sites harder
+than necessary.

flake.lock

@@ -0,0 +1,116 @@
+{
+  "nodes": {
+    "devshell": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1713195852,
+        "narHash": "sha256-MEb4Hx/Aw7pcsmcHXBuldFsrVTfl9Q9dz1JSlxUanmE=",
+        "owner": "numtide",
+        "repo": "devshell",
+        "rev": "2c8e04e5c29299bec53c2e5a73da0f9afa8dabb5",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "devshell",
+        "type": "github"
+      }
+    },
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1701680307,
+        "narHash": "sha256-kAuep2h5ajznlPMD9rnQyffWG8EM/C73lejGofXvdM8=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "4022d587cbbfd70fe950c1e2083a02621806a725",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "flake-utils_2": {
+      "inputs": {
+        "systems": "systems_2"
+      },
+      "locked": {
+        "lastModified": 1710146030,
+        "narHash": "sha256-SZ5L6eA7HJ/nmkzGG7/ISclqe6oZdOZTNoesiInkXPQ=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "b1d9ab70662946ef0850d488da1c9019f3a9752a",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1728018373,
+        "narHash": "sha256-NOiTvBbRLIOe5F6RbHaAh6++BNjsb149fGZd1T4+KBg=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "bc947f541ae55e999ffdb4013441347d83b00feb",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "devshell": "devshell",
+        "flake-utils": "flake-utils_2",
+        "nixpkgs": "nixpkgs"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    },
+    "systems_2": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -0,0 +1,34 @@
+{
+  description = "Schlechtenburg";
+
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
+
+    flake-utils.url = "github:numtide/flake-utils";
+
+    devshell.url = "github:numtide/devshell";
+    devshell.inputs.nixpkgs.follows = "nixpkgs";
+  };
+
+  outputs = { self, flake-utils, devshell, nixpkgs }:
+    flake-utils.lib.simpleFlake {
+      inherit self nixpkgs;
+      name = "schlechtenburg";
+      preOverlays = [ devshell.overlays.default ];
+      shell = { pkgs }: pkgs.devshell.mkShell {
+        devshell.packages = with pkgs; [
+          nodejs
+          nodePackages.typescript
+          nodePackages.typescript-language-server
+          nodePackages.vue-language-server
+          playwright
+        ];
+
+        env = [
+          { name = "PLAYWRIGHT_NODEJS_PATH"; value = "${pkgs.nodejs}/bin/node"; }
+          { name = "PLAYWRIGHT_BROWSERS_PATH"; value = "${pkgs.playwright-driver.browsers}"; }
+          { name = "PLAYWRIGHT_SKIP_VALIDATE_HOST_REQUIREMENTS"; value = "true"; }
+        ];
+      };
+    };
+}

index.html

@@ -1,13 +0,0 @@
-<!DOCTYPE html>
-<html lang="en">
-<head>
-  <meta charset="UTF-8">
-  <link rel="icon" href="/favicon.ico" />
-  <meta name="viewport" content="width=device-width, initial-scale=1.0">
-  <title>Vite App</title>
-</head>
-<body>
-  <div id="app"></div>
-  <script type="module" src="/src/main.ts"></script>
-</body>
-</html>

lerna.json

@@ -2,5 +2,6 @@
   "packages": [
     "packages/*"
   ],
-  "version": "0.0.0"
+  "version": "0.0.0",
+  "$schema": "node_modules/lerna/schemas/lerna-schema.json"
 }

notes.md

@@ -0,0 +1,4 @@
+## Events & type safety
+
+To maintain full type safety, we're not using events via $emit, instead relying on callback
+functions handed in by the parent.

package.json

@@ -1,22 +1,40 @@
 {
   "name": "schlechtenburg",
   "version": "0.0.0",
-  "license": "GPL-3.0-or-later",
+  "license": "AGPL-3.0-or-later",
   "scripts": {
-    "dev": "vite",
-    "build": "vuedx-typecheck . && vite build"
-  },
-  "dependencies": {
-    "lodash-es": "^4.17.20",
-    "vue": "^3.0.4"
+    "docs:type:build": "npx typedoc --json ./docs/api.json --entryPointStrategy packages --readme none packages/core packages/heading packages/standalone packages/paragraph packages/layout packages/image",
+    "typecheck": "lerna run --stream typecheck",
+    "docs:dev": "vitepress dev docs",
+    "docs:build": "vitepress build docs",
+    "docs:serve": "vitepress serve docs",
+    "test:browser": "vitest"
   },
   "devDependencies": {
-    "@vue/compiler-sfc": "^3.0.4",
-    "@vuedx/typecheck": "^0.3.1-insiders-1606311019.0",
-    "@vuedx/typescript-plugin-vue": "^0.3.1-insiders-1606311019.0",
-    "lerna": "^3.22.1",
-    "sass": "^1.30.0",
-    "typescript": "^4.1.2",
-    "vite": "^1.0.0-rc.13"
-  }
+    "@types/jsdom": "^21.1.7",
+    "@vitejs/plugin-vue": "^5.1.4",
+    "@vitejs/plugin-vue-jsx": "^3.1.0",
+    "@vitest/browser": "^2.1.2",
+    "@vue/test-utils": "^2.4.6",
+    "deep-freeze": "^0.0.1",
+    "lerna": "^8.1.8",
+    "sass": "^1.75.0",
+    "typedoc": "^0.26.7",
+    "typescript": "^5.6.2",
+    "vitepress": "^1.3.4",
+    "vitest": "^2.1.2",
+    "vitest-browser-vue": "^0.0.1",
+    "vue": "^3.5.10"
+  },
+  "dependencies": {
+    "lodash-es": "^4.17.21"
+  },
+  "workspaces": [
+    "packages/core",
+    "packages/heading",
+    "packages/image",
+    "packages/paragraph",
+    "packages/layout",
+    "packages/rich-text"
+  ]
 }

packages/core/__tests__/core.test.js

@@ -1,7 +0,0 @@
-'use strict';
-
-const core = require('..');
-
-describe('@schlechtenburg/core', () => {
-    it('needs tests');
-});

packages/core/__tests__/core.test.ts

@@ -0,0 +1,33 @@
+import { describe, expect, it } from 'vitest'
+import { withSetup } from '../../../test';
+import { useActivation } from '..';
+
+describe('@schlechtenburg/core', () => {
+  const a = 'a';
+  const b = 'b';
+
+  it('Should activate', async () => {
+    const {
+      activeBlockId,
+      isActive,
+      activate,
+      deactivate,
+    } = await withSetup(() => useActivation(a));
+
+    activate(a);
+    expect(activeBlockId.value).toBe(a);
+    expect(isActive.value).toBeTruthy();
+
+    activate(b);
+    expect(activeBlockId.value).toBe(b);
+    expect(isActive.value).toBeFalsy();
+
+    deactivate(activeBlockId.value);
+    expect(isActive.value).toBeFalsy();
+    expect(activeBlockId.value).toBe(null);
+
+    activate();
+    expect(activeBlockId.value).toBe(a);
+    expect(isActive.value).toBeTruthy();
+  });
+});

packages/core/docs/components.json

@@ -0,0 +1,298 @@
+[
+  {
+    "displayName": "sb-block",
+    "description": "Displays a Schlechtenburg block either the mode of the schlechtenburg instance.\nYou can use this to display child blocks inside your own blocks.",
+    "tags": {},
+    "exportName": "SbBlock",
+    "props": [
+      {
+        "name": "block",
+        "description": "The state for the block.",
+        "type": {
+          "name": "IBlockData<any>"
+        },
+        "required": true
+      },
+      {
+        "name": "onUpdate",
+        "description": "Called when the block should be updated.",
+        "type": {
+          "name": "OnUpdateBlockCb"
+        },
+        "defaultValue": {
+          "func": true,
+          "value": "() => {}"
+        }
+      },
+      {
+        "name": "onPrependBlock",
+        "description": "Called when a sibling block should be inserted before the block",
+        "type": {
+          "name": "OnPrependBlockCb"
+        },
+        "defaultValue": {
+          "func": true,
+          "value": "() => {}"
+        }
+      },
+      {
+        "name": "onAppendBlock",
+        "description": "Called when a sibling block should be inserted after the block",
+        "type": {
+          "name": "OnAppendBlockCb"
+        },
+        "defaultValue": {
+          "func": true,
+          "value": "() => {}"
+        }
+      },
+      {
+        "name": "onRemoveSelf",
+        "description": "Called when the block should be removed",
+        "type": {
+          "name": "OnRemoveSelfCb"
+        },
+        "defaultValue": {
+          "func": true,
+          "value": "() => {}"
+        }
+      },
+      {
+        "name": "onActivatePrevious",
+        "description": "Called when the previous sibling block should be activated",
+        "type": {
+          "name": "OnActivatePreviousCb"
+        },
+        "defaultValue": {
+          "func": true,
+          "value": "() => {}"
+        }
+      },
+      {
+        "name": "onActivateNext",
+        "description": "Called when the next sibling block should be activated",
+        "type": {
+          "name": "OnActivateNextCb"
+        },
+        "defaultValue": {
+          "func": true,
+          "value": "() => {}"
+        }
+      }
+    ]
+  },
+  {
+    "displayName": "sb-block-ordering",
+    "exportName": "SbBlockOrdering",
+    "description": "",
+    "tags": {},
+    "props": [
+      {
+        "name": "orientation",
+        "type": {
+          "name": "string"
+        },
+        "defaultValue": {
+          "func": false,
+          "value": "null"
+        }
+      },
+      {
+        "name": "onRemove",
+        "type": {
+          "name": "func"
+        },
+        "defaultValue": {
+          "func": true,
+          "value": "() => {}"
+        }
+      },
+      {
+        "name": "onMoveBackward",
+        "type": {
+          "name": "func"
+        },
+        "defaultValue": {
+          "func": true,
+          "value": "() => {}"
+        }
+      },
+      {
+        "name": "onMoveForward",
+        "type": {
+          "name": "func"
+        },
+        "defaultValue": {
+          "func": true,
+          "value": "() => {}"
+        }
+      }
+    ]
+  },
+  {
+    "displayName": "sb-block-picker",
+    "exportName": "SbBlockPicker",
+    "description": "",
+    "tags": {},
+    "props": [
+      {
+        "name": "onPickedBlock",
+        "type": {
+          "name": "func"
+        },
+        "defaultValue": {
+          "func": true,
+          "value": "() => {}"
+        }
+      }
+    ]
+  },
+  {
+    "displayName": "sb-block-placeholder",
+    "description": "A placeholder for a block.\nDisplays a placeholder for a block, allowing the user to select a block to insert.",
+    "tags": {
+      "sbui": [
+        {
+          "description": true,
+          "title": "sbui"
+        }
+      ]
+    },
+    "exportName": "SbBlockPlaceholder",
+    "props": [
+      {
+        "name": "onInsertBlock",
+        "description": "Called when the user picked a block that should be inserted here.",
+        "type": {
+          "name": "func"
+        },
+        "defaultValue": {
+          "func": true,
+          "value": "() => {}"
+        }
+      }
+    ]
+  },
+  {
+    "displayName": "sb-block-toolbar",
+    "exportName": "SbBlockToolbar",
+    "description": "",
+    "tags": {}
+  },
+  {
+    "displayName": "sb-button",
+    "description": "A button in the schlechtenburg theme",
+    "tags": {
+      "sbui": [
+        {
+          "description": true,
+          "title": "sbui"
+        }
+      ]
+    },
+    "exportName": "SbButton"
+  },
+  {
+    "displayName": "sb-context-menu",
+    "exportName": "SbContextMenu",
+    "description": "",
+    "tags": {},
+    "props": [
+      {
+        "name": "onClose",
+        "type": {
+          "name": "func"
+        },
+        "defaultValue": {
+          "func": true,
+          "value": "() => {}"
+        }
+      },
+      {
+        "name": "onOpen",
+        "type": {
+          "name": "func"
+        },
+        "defaultValue": {
+          "func": true,
+          "value": "() => {}"
+        }
+      }
+    ]
+  },
+  {
+    "displayName": "sb-main-menu",
+    "exportName": "SbMainMenu",
+    "description": "",
+    "tags": {},
+    "props": [
+      {
+        "name": "block",
+        "type": {
+          "name": "IBlockData<any>"
+        },
+        "required": true
+      }
+    ]
+  },
+  {
+    "displayName": "sb-modal",
+    "exportName": "SbModal",
+    "description": "",
+    "tags": {},
+    "props": [
+      {
+        "name": "open",
+        "type": {
+          "name": "boolean"
+        },
+        "defaultValue": {
+          "func": false,
+          "value": "false"
+        }
+      },
+      {
+        "name": "onClose",
+        "type": {
+          "name": "func"
+        },
+        "defaultValue": {
+          "func": true,
+          "value": "() => {}"
+        }
+      }
+    ]
+  },
+  {
+    "displayName": "sb-select",
+    "description": "A select input in the schlechtenburg theme",
+    "tags": {
+      "sbui": [
+        {
+          "description": true,
+          "title": "sbui"
+        }
+      ]
+    },
+    "exportName": "SbSelect"
+  },
+  {
+    "displayName": "sb-toolbar",
+    "description": "Toolbar in the schlechtenburg theme",
+    "tags": {
+      "sbui": [
+        {
+          "description": true,
+          "title": "sbui"
+        }
+      ]
+    },
+    "exportName": "SbToolbar"
+  },
+  {
+    "displayName": "sb-main-menu",
+    "exportName": "SbTreeBlockSelect",
+    "description": "",
+    "tags": {}
+  }
+]

packages/core/lib/ResizeObserver.d.ts

@@ -1,242 +0,0 @@
-/**
- * The **ResizeObserver** interface reports changes to the dimensions of an
- * [Element](https://developer.mozilla.org/en-US/docs/Web/API/Element)'s content
- * or border box, or the bounding box of an
- * [SVGElement](https://developer.mozilla.org/en-US/docs/Web/API/SVGElement).
- *
- * > **Note**: The content box is the box in which content can be placed,
- * > meaning the border box minus the padding and border width. The border box
- * > encompasses the content, padding, and border. See
- * > [The box model](https://developer.mozilla.org/en-US/docs/Learn/CSS/Building_blocks/The_box_model)
- * > for further explanation.
- *
- * `ResizeObserver` avoids infinite callback loops and cyclic dependencies that
- * are often created when resizing via a callback function. It does this by only
- * processing elements deeper in the DOM in subsequent frames. Implementations
- * should, if they follow the specification, invoke resize events before paint
- * and after layout.
- *
- * @see https://developer.mozilla.org/en-US/docs/Web/API/ResizeObserver
- */
-declare class ResizeObserver {
-  /**
-   * The **ResizeObserver** constructor creates a new `ResizeObserver` object,
-   * which can be used to report changes to the content or border box of an
-   * `Element` or the bounding box of an `SVGElement`.
-   *
-   * @example
-   * var ResizeObserver = new ResizeObserver(callback)
-   *
-   * @param callback
-   * The function called whenever an observed resize occurs. The function is
-   * called with two parameters:
-   * * **entries**
-   *   An array of
-   *   [ResizeObserverEntry](https://developer.mozilla.org/en-US/docs/Web/API/ResizeObserverEntry)
-   *   objects that can be used to access the new dimensions of the element
-   *   after each change.
-   * * **observer**
-   *   A reference to the `ResizeObserver` itself, so it will definitely be
-   *   accessible from inside the callback, should you need it. This could be
-   *   used for example to automatically unobserve the observer when a certain
-   *   condition is reached, but you can omit it if you don't need it.
-   *
-   * The callback will generally follow a pattern along the lines of:
-   * ```js
-   * function(entries, observer) {
-   *   for (let entry of entries) {
-   *     // Do something to each entry
-   *     // and possibly something to the observer itself
-   *   }
-   * }
-   * ```
-   *
-   * The following snippet is taken from the
-   * [resize-observer-text.html](https://mdn.github.io/dom-examples/resize-observer/resize-observer-text.html)
-   * ([see source](https://github.com/mdn/dom-examples/blob/master/resize-observer/resize-observer-text.html))
-   * example:
-   * @example
-   * const resizeObserver = new ResizeObserver(entries => {
-   *   for (let entry of entries) {
-   *     if(entry.contentBoxSize) {
-   *       h1Elem.style.fontSize = Math.max(1.5, entry.contentBoxSize.inlineSize/200) + 'rem';
-   *       pElem.style.fontSize = Math.max(1, entry.contentBoxSize.inlineSize/600) + 'rem';
-   *     } else {
-   *       h1Elem.style.fontSize = Math.max(1.5, entry.contentRect.width/200) + 'rem';
-   *       pElem.style.fontSize = Math.max(1, entry.contentRect.width/600) + 'rem';
-   *     }
-   *   }
-   * });
-   *
-   * resizeObserver.observe(divElem);
-   */
-  constructor(callback: ResizeObserverCallback);
-
-  /**
-   * The **disconnect()** method of the
-   * [ResizeObserver](https://developer.mozilla.org/en-US/docs/Web/API/ResizeObserver)
-   * interface unobserves all observed
-   * [Element](https://developer.mozilla.org/en-US/docs/Web/API/Element) or
-   * [SVGElement](https://developer.mozilla.org/en-US/docs/Web/API/SVGElement)
-   * targets.
-   */
-  disconnect: () => void;
-
-  /**
-   * The `observe()` method of the
-   * [ResizeObserver](https://developer.mozilla.org/en-US/docs/Web/API/ResizeObserver)
-   * interface starts observing the specified
-   * [Element](https://developer.mozilla.org/en-US/docs/Web/API/Element) or
-   * [SVGElement](https://developer.mozilla.org/en-US/docs/Web/API/SVGElement).
-   *
-   * @example
-   * resizeObserver.observe(target, options);
-   *
-   * @param target
-   * A reference to an
-   * [Element](https://developer.mozilla.org/en-US/docs/Web/API/Element) or
-   * [SVGElement](https://developer.mozilla.org/en-US/docs/Web/API/SVGElement)
-   * to be observed.
-   *
-   * @param options
-   * An options object allowing you to set options for the observation.
-   * Currently this only has one possible option that can be set.
-   */
-  observe: (target: Element, options?: ResizeObserverObserveOptions) => void;
-
-  /**
-   * The **unobserve()** method of the
-   * [ResizeObserver](https://developer.mozilla.org/en-US/docs/Web/API/ResizeObserver)
-   * interface ends the observing of a specified
-   * [Element](https://developer.mozilla.org/en-US/docs/Web/API/Element) or
-   * [SVGElement](https://developer.mozilla.org/en-US/docs/Web/API/SVGElement).
-   */
-  unobserve: (target: Element) => void;
-}
-
-interface ResizeObserverObserveOptions {
-  /**
-   * Sets which box model the observer will observe changes to. Possible values
-   * are `content-box` (the default), and `border-box`.
-   *
-   * @default "content-box"
-   */
-  box?: "content-box" | "border-box";
-}
-
-/**
- * The function called whenever an observed resize occurs. The function is
- * called with two parameters:
- *
- * @param entries
- * An array of
- * [ResizeObserverEntry](https://developer.mozilla.org/en-US/docs/Web/API/ResizeObserverEntry)
- * objects that can be used to access the new dimensions of the element after
- * each change.
- *
- * @param observer
- * A reference to the `ResizeObserver` itself, so it will definitely be
- * accessible from inside the callback, should you need it. This could be used
- * for example to automatically unobserve the observer when a certain condition
- * is reached, but you can omit it if you don't need it.
- *
- * The callback will generally follow a pattern along the lines of:
- * @example
- * function(entries, observer) {
- *   for (let entry of entries) {
- *     // Do something to each entry
- *     // and possibly something to the observer itself
- *   }
- * }
- *
- * @example
- * const resizeObserver = new ResizeObserver(entries => {
- *   for (let entry of entries) {
- *     if(entry.contentBoxSize) {
- *       h1Elem.style.fontSize = Math.max(1.5, entry.contentBoxSize.inlineSize/200) + 'rem';
- *       pElem.style.fontSize = Math.max(1, entry.contentBoxSize.inlineSize/600) + 'rem';
- *     } else {
- *       h1Elem.style.fontSize = Math.max(1.5, entry.contentRect.width/200) + 'rem';
- *       pElem.style.fontSize = Math.max(1, entry.contentRect.width/600) + 'rem';
- *     }
- *   }
- * });
- *
- * resizeObserver.observe(divElem);
- */
-type ResizeObserverCallback = (
-  entries: ResizeObserverEntry[],
-  observer: ResizeObserver,
-) => void;
-
-/**
- * The **ResizeObserverEntry** interface represents the object passed to the
- * [ResizeObserver()](https://developer.mozilla.org/en-US/docs/Web/API/ResizeObserver/ResizeObserver)
- * constructor's callback function, which allows you to access the new
- * dimensions of the
- * [Element](https://developer.mozilla.org/en-US/docs/Web/API/Element) or
- * [SVGElement](https://developer.mozilla.org/en-US/docs/Web/API/SVGElement)
- * being observed.
- */
-interface ResizeObserverEntry {
-  /**
-   * An object containing the new border box size of the observed element when
-   * the callback is run.
-   */
-  readonly borderBoxSize: ResizeObserverEntryBoxSize;
-
-  /**
-   * An object containing the new content box size of the observed element when
-   * the callback is run.
-   */
-  readonly contentBoxSize: ResizeObserverEntryBoxSize;
-
-  /**
-   * A [DOMRectReadOnly](https://developer.mozilla.org/en-US/docs/Web/API/DOMRectReadOnly)
-   * object containing the new size of the observed element when the callback is
-   * run. Note that this is better supported than the above two properties, but
-   * it is left over from an earlier implementation of the Resize Observer API,
-   * is still included in the spec for web compat reasons, and may be deprecated
-   * in future versions.
-   */
-  // node_modules/typescript/lib/lib.dom.d.ts
-  readonly contentRect: DOMRectReadOnly;
-
-  /**
-   * A reference to the
-   * [Element](https://developer.mozilla.org/en-US/docs/Web/API/Element) or
-   * [SVGElement](https://developer.mozilla.org/en-US/docs/Web/API/SVGElement)
-   * being observed.
-   */
-  readonly target: Element;
-}
-
-/**
- * The **borderBoxSize** read-only property of the
- * [ResizeObserverEntry](https://developer.mozilla.org/en-US/docs/Web/API/ResizeObserverEntry)
- * interface returns an object containing the new border box size of the
- * observed element when the callback is run.
- */
-interface ResizeObserverEntryBoxSize {
-  /**
-   * The length of the observed element's border box in the block dimension. For
-   * boxes with a horizontal
-   * [writing-mode](https://developer.mozilla.org/en-US/docs/Web/CSS/writing-mode),
-   * this is the vertical dimension, or height; if the writing-mode is vertical,
-   * this is the horizontal dimension, or width.
-   */
-  blockSize: number;
-
-  /**
-   * The length of the observed element's border box in the inline dimension.
-   * For boxes with a horizontal
-   * [writing-mode](https://developer.mozilla.org/en-US/docs/Web/CSS/writing-mode),
-   * this is the horizontal dimension, or width; if the writing-mode is
-   * vertical, this is the vertical dimension, or height.
-   */
-  inlineSize: number;
-}
-
-interface Window {
-  ResizeObserver: typeof ResizeObserver;
-}

packages/core/lib/block-helpers.ts

@@ -0,0 +1,15 @@
+import { v4 as uuidv4 } from 'uuid';
+
+export const generateBlockId = uuidv4;
+
+export const model = {
+  prop: 'block',
+  event: 'update',
+};
+
+export const blockProps = {
+  blockId: {
+    type: String,
+    default: generateBlockId,
+  },
+};

packages/core/lib/blocks.ts

@@ -1,34 +0,0 @@
-import { Component } from 'vue';
-
-export interface BlockDefinition {
-  name: string;
-  getDefaultData: any;
-  edit: Component;
-  display: Component;
-}
-
-export interface BlockLibraryDefinition {
-  [name: string]: BlockDefinition;
-}
-
-export interface BlockProps<T> {
-  blockId: string;
-  data: T;
-}
-
-export interface Block<T> extends BlockProps<T> {
-  name: string;
-}
-
-export const model = {
-  prop: 'block',
-  event: 'update',
-};
-
-export const blockProps = {
-  blockId: {
-    type: String,
-    default: () => `${+(new Date())}`,
-  },
-  data: { type: Object, default: () => ({}) },
-};

packages/core/lib/components/Block.scss

@@ -5,22 +5,23 @@
   align-items: stretch;
   justify-items: stretch;
   height: auto;
+  min-width: 32px;
+  min-height: 32px;
 
   > * > .sb-toolbar {
     opacity: 0;
     pointer-events: none;
   }
 
-  &__edit-cover {
-  }
-
   > .sb-block-ordering {
     opacity: 0;
     pointer-events: none;
   }
 
-  &_active {
-    outline: 1px solid var(--grey-2);
+  &_active,
+  &_active:hover {
+    z-index: 1;
+    outline: 4px solid var(--interact);
 
     > * > .sb-toolbar {
       opacity: 1;
@@ -33,4 +34,8 @@
       pointer-events: all;
     }
   }
+
+  &_highlighted {
+    outline: 2px solid var(--interact);
+  }
 }

packages/core/lib/components/Block.tsx

@@ -6,61 +6,116 @@ import {
   ref,
   Ref,
 } from 'vue';
-import { Block } from '../blocks';
+import {
+  IBlockData,
+  OnUpdateBlockCb,
+  OnActivateNextCb,
+  OnRemoveSelfCb,
+  OnAppendBlockCb,
+  OnPrependBlockCb,
+  OnActivatePreviousCb,
+} from '../types';
 import { SbMode } from '../mode';
-import { useResizeObserver, BlockDimensions } from '../use-resize-observer';
+import { useResizeObserver, SymBlockDimensions } from '../use-resize-observer';
 import { useActivation } from '../use-activation';
+import { useBlockTree } from '../use-block-tree';
 import { useDynamicBlocks } from '../use-dynamic-blocks';
+import hoverCover from '../directives/hover-cover';
 
-import { SbBlockOrdering } from './BlockOrdering';
-import SbMissingBlock from './BlockMissing/index';
+import SbMissingBlock from './MissingBlock';
 
 import './Block.scss';
 
-interface BlockProps {
-  block: Block;
-  eventUpdate: (b?: Block) => void;
-  eventPrependBlock: (b?: Block) => void;
-  eventAppendBlock: (b?: Block) => void;
-  eventRemoveBlock: () => void;
-  eventMoveUp: () => void;
-  eventMoveDown: () => void;
-  sortable: string;
-}
-
+/**
+ * Displays a Schlechtenburg block either the mode of the schlechtenburg instance.
+ * You can use this to display child blocks inside your own blocks.
+ */
 export const SbBlock = defineComponent({
   name: 'sb-block',
 
-  props: {
-    block: {
-      type: (null as unknown) as PropType<Block>,
-      required: true,
-    },
-    sortable: {
-      type: String,
-      default: null,
-    },
-    eventUpdate: { type: Function, default: () => {} },
-    eventPrependBlock: { type: Function, default: () => {} },
-    eventAppendBlock: { type: Function, default: () => {} },
-    eventRemoveBlock: { type: Function, default: () => {} },
-    eventMoveUp: { type: Function, default: () => {} },
-    eventMoveDown: { type: Function, default: () => {} },
+  directives: {
+    hoverCover,
   },
 
-  setup(props: BlockProps, context) {
+  props: {
+    /**
+     * The state for the block.
+     */
+    block: {
+      type: (null as unknown) as PropType<IBlockData<any>>,
+      required: true,
+    },
+    /**
+     * The state for the block.
+     */
+    indexAsChild: {
+      type: Number,
+      default: -1,
+    },
+    /**
+     * Called when the block should be updated.
+     */
+    eventUpdate: {
+      type: (null as unknown) as PropType<OnUpdateBlockCb>,
+      default: () => () => {},
+    },
+    /**
+     * Called when a sibling block should be inserted before the block
+     */
+    eventPrependBlock: {
+      type: (null as unknown) as PropType<OnPrependBlockCb>,
+      default: () => () => {},
+    },
+    /**
+     * Called when a sibling block should be inserted after the block
+     */
+    eventAppendBlock: {
+      type: (null as unknown) as PropType<OnAppendBlockCb>,
+      default: () => () => {},
+    },
+    /**
+     * Called when the block should be removed
+     */
+    eventRemoveSelf: {
+      type: (null as unknown) as PropType<OnRemoveSelfCb>,
+      default: () => () => {},
+    },
+    /**
+     * Called when the previous sibling block should be activated
+     */
+    eventActivatePrevious: {
+      type: (null as unknown) as PropType<OnActivatePreviousCb>,
+      default: () => () => {},
+    },
+    /**
+     * Called when the next sibling block should be activated
+     */
+    eventActivateNext: {
+      type: (null as unknown) as PropType<OnActivateNextCb>,
+      default: () => () => {},
+    },
+  },
+
+  setup(props, context) {
     const el: Ref<null|HTMLElement> = ref(null);
     const { mode, getBlock } = useDynamicBlocks();
-    const { isActive, activate } = useActivation(props.block.blockId);
+    const {
+      isActive,
+      activate,
+    } = useActivation(props.block.id);
     const classes = computed(() => ({
       'sb-block': true,
       'sb-block_active': isActive.value,
     }));
 
-    const { triggerSizeCalculation } = useResizeObserver(el, BlockDimensions);
+    const { triggerSizeCalculation } = useResizeObserver(el, SymBlockDimensions);
     watch(() => props.block.data, triggerSizeCalculation);
 
-    const onChildUpdate = (updated: {[key: string]: any}) => {
+    const { register } = useBlockTree();
+    register(props.block, props.indexAsChild);
+    watch(props.block, () => { register(props.block, props.indexAsChild); });
+
+    const eventChildUpdate = (updated: {[key: string]: any}) => {
       props.eventUpdate({
         ...props.block,
         data: {
@@ -71,43 +126,52 @@ export const SbBlock = defineComponent({
     };
 
     return () => {
-      const BlockComponent = getBlock(props.block.name) as any;
+      const BlockComponent = getBlock(props.block.name)?.[mode.value] as any;
 
       if (!BlockComponent) {
         const MissingBlock = SbMissingBlock[mode.value];
         return <MissingBlock
           name={props.block.name}
-          blockId={props.block.blockId}
+          blockId={props.block.id}
         />;
       }
 
-      if (mode.value === SbMode.Display) {
-        return () => (
-          <BlockComponent
-            data={props.block.data}
-            blockId={props.block.blockId}
-          />
-        );
+      if (mode.value === SbMode.View) {
+        return <BlockComponent
+          data={props.block.data}
+          blockId={props.block.id}
+        />;
       }
 
       return <div
         ref={el}
         class={classes.value}
+        v-hover-cover
       >
-        <div class="sb-block__edit-cover"></div>
-        {context.slots['context-toolbar'] ? context.slots['context-toolbar']() : null}
+        {
+          /**
+           * This is an alternative toolbar location that parent blocks can use to offer UI elements specific to child blocks.
+           * @slot context-toolbar
+           */
+          context.slots['context-toolbar'] ? context.slots['context-toolbar']() : null
+        }
         <BlockComponent
           data={props.block.data}
-          blockId={props.block.blockId}
-          eventUpdate={onChildUpdate}
+          blockId={props.block.id}
+          eventUpdate={eventChildUpdate}
           eventPrependBlock={props.eventPrependBlock}
           eventAppendBlock={props.eventAppendBlock}
-          eventRemoveBlock={props.eventRemoveBlock}
-          onClick={($event: MouseEvent) => {
-            $event.stopPropagation();
-            activate();
+          eventRemoveSelf={props.eventRemoveSelf}
+          eventActivatePrevious={props.eventActivatePrevious}
+          eventActivateNext={props.eventActivateNext}
+
+          {...{
+            onClick: ($event: MouseEvent) => {
+              $event.stopPropagation();
+              activate();
+            },
+            ...context.attrs,
           }}
-          {...context.attrs}
         />
       </div>;
     };

packages/core/lib/components/BlockMissing/index.ts

@@ -1,7 +0,0 @@
-import { defineAsyncComponent } from 'vue';
-
-export default {
-  name: 'sb-missing-block',
-  edit: defineAsyncComponent(() => import('./display')),
-  display: defineAsyncComponent(() => import('./display')),
-};

packages/core/lib/components/BlockOrdering.tsx

@@ -1,4 +1,4 @@
-import { debounce } from 'lodash-es';
+import debounce from 'lodash/debounce';
 import {
   watch,
   reactive,
@@ -15,13 +15,13 @@ export const SbBlockOrdering = defineComponent({
   name: 'sb-block-ordering',
 
   props: {
-    sortable: {
+    orientation: {
       type: String,
       default: null,
     },
-    eventRemoveBlock: { type: Function, default: () => {} },
-    eventMoveUp: { type: Function, default: () => {} },
-    eventMoveDown: { type: Function, default: () => {} },
+    eventRemove: { type: Function, default: () => {} },
+    eventMoveBackward: { type: Function, default: () => {} },
+    eventMoveForward: { type: Function, default: () => {} },
   },
 
   setup(props) {
@@ -32,7 +32,7 @@ export const SbBlockOrdering = defineComponent({
 
     const classes = computed(() => ({
       'sb-block-ordering': true,
-      [`sb-block-ordering_${props.sortable}`]: !!props.sortable,
+      [`sb-block-ordering_${props.orientation}`]: !!props.orientation,
     }));
 
     const { editorDimensions, blockDimensions } = useBlockSizing();
@@ -47,7 +47,7 @@ export const SbBlockOrdering = defineComponent({
     });
     watch(editorDimensions, resetStyles);
     watch(blockDimensions, resetStyles);
-    watch(() => props.sortable, resetStyles);
+    watch(() => props.orientation, resetStyles);
 
     return () => (
       <div
@@ -55,9 +55,9 @@ export const SbBlockOrdering = defineComponent({
         style={styles}
         onClick={($event: MouseEvent) => $event.stopPropagation()}
       >
-        <SbButton onClick={props.eventMoveUp}>{props.sortable === 'vertical' ? '↑' : '←'}</SbButton>
-        <SbButton onClick={props.eventRemoveBlock}>x</SbButton>
-        <SbButton onClick={props.eventMoveDown}>{props.sortable === 'vertical' ? '↓' : '→'}</SbButton>
+        <SbButton {...{onClick: props.eventMoveBackward}}>{props.orientation === 'vertical' ? '↑' : '←'}</SbButton>
+        <SbButton {...{onClick: props.eventRemove}}>x</SbButton>
+        <SbButton {...{onClick: props.eventMoveForward}}>{props.orientation === 'vertical' ? '↓' : '→'}</SbButton>
       </div>
     );
   },

packages/core/lib/components/BlockPicker.scss

@@ -1,10 +1,4 @@
 .sb-block-picker {
-  display: flex;
-  justify-content: center;
-  align-items: center;
-  height: 100%;
-  width: 100%;
-
   &__add-button {
     padding: 24px 32px;
   }

packages/core/lib/components/BlockPicker.tsx

@@ -3,60 +3,58 @@ import {
   ref,
   defineComponent,
 } from 'vue';
-import {
-  useDynamicBlocks,
-  BlockDefinition,
-} from '../use-dynamic-blocks';
+import { useDynamicBlocks } from '../use-dynamic-blocks';
+import { IBlockDefinition } from '../types';
+import { generateBlockId } from '../block-helpers';
 
 import { SbButton } from './Button';
-import { SbModal } from './Modal';
+import { SbContextMenu, IContextMenuSlotContext } from './ContextMenu';
 
 import './BlockPicker.scss';
 
 export const SbBlockPicker = defineComponent({
   name: 'sb-block-picker',
 
-  props: {},
+  props: {
+    eventPickedBlock: { type: Function, default: () => {} },
+  },
 
   setup(props, context) {
     const open = ref(false);
+
     const { customBlocks } = useDynamicBlocks();
 
     const blockList = computed(() => Object.keys(customBlocks).map((key) => customBlocks[key]));
 
-    const selectBlock = (block: BlockDefinition) => () => {
+    const selectBlock = (block: IBlockDefinition<any>) => {
       open.value = false;
-      context.emit('picked-block', {
+      props.eventPickedBlock({
         name: block.name,
-        blockId: `${+(new Date())}`,
+        id: generateBlockId(),
         data: block.getDefaultData(),
       });
     };
 
     return () => (
       <div class="sb-block-picker">
-        <SbButton
-          class="sb-block-picker__add-button"
-          type="button"
-          onClick={($event: MouseEvent) => {
-            open.value = true;
-            $event.stopPropagation();
-          }}
-        >Add a block</SbButton>
-        <SbModal
-          open={open.value}
-          onClick={($event: MouseEvent) => $event.stopPropagation()}
-          eventClose={() => {
-            open.value = false;
-          }}
-        >
-          {...blockList.value.map((block: BlockDefinition) => (
+        <SbContextMenu
+          class="sb-tree-block-select"
+          v-slots={{
+            context: (slotContext:IContextMenuSlotContext) => context.slots.context
+              ? context.slots.context(slotContext)
+              : <SbButton {...{ onClick: slotContext.toggle }}>Insert a block</SbButton>,
+            default: ({ close }: { close: Function }) => blockList.value.map((block: IBlockDefinition<any>) => (
             <SbButton
-              type="button"
-              onClick={selectBlock(block)}
-            >{block.name}</SbButton>
-          ))}
-        </SbModal>
+              {...{
+                type: 'button',
+                onClick: () => {
+                  selectBlock(block);
+                  close();
+                },
+              }}
+            >{block.name}</SbButton>)),
+          }}
+        ></SbContextMenu>
       </div>
     );
   },

packages/core/lib/components/BlockPlaceholder.scss

@@ -1,5 +1,6 @@
 .sb-block-placeholder {
-  width: 100%;
+  flex-basis: 100%;
+  flex-shrink: 2;
   position: relative;
   overflow: visible;
 
@@ -7,4 +8,12 @@
     background-color: var(--grey-1);
     width: 100%;
   }
+
+  .sb-block-picker {
+    display: flex;
+    justify-content: center;
+    align-items: center;
+    height: 100%;
+    width: 100%;
+  }
 }

packages/core/lib/components/BlockPlaceholder.tsx

@@ -1,18 +1,30 @@
 import { defineComponent } from 'vue';
-import { BlockDefinition } from '../blocks';
+import { IBlockData } from '../types';
 
 import { SbBlockPicker } from './BlockPicker';
 
 import './BlockPlaceholder.scss';
 
+/**
+ * A placeholder for a block.
+ * Displays a placeholder for a block, allowing the user to select a block to insert.
+ * @sbui
+ */
 export const SbBlockPlaceholder = defineComponent({
   name: 'sb-block-placeholder',
 
-  setup(props, context) {
+  props: {
+    /**
+     * Called when the user picked a block that should be inserted here.
+     */
+    eventInsertBlock: { type: Function, default: () => {} },
+  },
+
+  setup(props) {
     return () => (
       <div class="sb-block-placeholder">
         <SbBlockPicker
-          onPickedBlock={(block: BlockDefinition) => context.emit('insert-block', block)}
+          eventPickedBlock={(block: IBlockData<any>) => props.eventInsertBlock(block)}
         />
       </div>
     );

packages/core/lib/components/BlockToolbar.tsx

@@ -0,0 +1,13 @@
+import { defineComponent } from 'vue';
+
+import './BlockToolbar.scss';
+
+export const SbBlockToolbar = defineComponent({
+  name: 'sb-block-toolbar',
+
+  setup() {
+    return () => (
+      <div class="sb-block-toolbar"></div>
+    );
+  },
+});

packages/core/lib/components/Button.tsx

@@ -2,12 +2,16 @@ import { defineComponent } from 'vue';
 
 import './Button.scss';
 
+/**
+ * A button in the schlechtenburg theme
+ * @sbui
+ */
 export const SbButton = defineComponent({
   name: 'sb-button',
 
   inheritAttrs: false,
 
-  setup(props, context) {
+  setup(_, context) {
     return () => (
       <button
         {...{
@@ -15,7 +19,13 @@ export const SbButton = defineComponent({
           class: (context.attrs.class || '') + ' sb-button',
         }}
       >
-        {context.slots.default()}
+        {
+          /**
+           * The button contents
+           * @slot default
+           */
+          context.slots.default?.()
+        }
       </button>
     );
   },

packages/core/lib/components/ContextMenu.scss

@@ -0,0 +1,23 @@
+.sb-context {
+  position: relative;
+}
+
+.sb-context-menu {
+  display: none;
+  flex-direction: column;
+  background: var(--grey-0);
+  border: 1px solid var(--grey-3);
+  top: 100%;
+  left: 0;
+  margin: 0;
+  padding: 0.5rem 0.25rem;
+  z-index: var(--z-context-menu);
+
+  max-height: 70vh;
+  max-width: 100vw;
+  overflow: auto;
+
+  &[open] {
+    display: flex;
+  }
+}

packages/core/lib/components/ContextMenu.tsx

@@ -0,0 +1,84 @@
+import {
+  watch,
+  defineComponent,
+  ref,
+  Ref,
+} from 'vue';
+import { SbButton } from './Button';
+
+import './ContextMenu.scss';
+
+export interface IContextMenuSlotContext {
+  opened: Ref<boolean>;
+  open: () => void;
+  close: () => void;
+  toggle: () => void;
+}
+
+export const SbContextMenu = defineComponent({
+  name: 'sb-context-menu',
+
+  props: {
+    onClose: { type: Function, default: () => {} },
+    onOpen: { type: Function, default: () => {} },
+  },
+
+  setup(props, context) {
+    const opened = ref(false);
+    const open = () => { opened.value = true; };
+    const close = () => { opened.value = false; };
+    const closeOnEscape = ($event: KeyboardEvent) => {
+      if ($event.key === 'Escape') {
+        close();
+      }
+    };
+    const toggle = () => { opened.value ? close() : open() };
+
+    watch(opened, (curr, prev) => {
+      if (curr === prev) {
+        return;
+      }
+
+      if (!curr) {
+        document.body.removeEventListener('click', close);
+        document.body.removeEventListener('keypress', closeOnEscape);
+        props.onClose();
+      } else {
+        setTimeout(() => {
+          document.body.addEventListener('click', close);
+          document.body.addEventListener('keypress', closeOnEscape);
+          props.onOpen();
+        });
+      }
+    });
+
+    return () => (
+      <div class="sb-context">
+        {
+          context.slots.context?.({
+            opened,
+            toggle,
+            close,
+            open,
+          }) || <SbButton {...{ onClick: toggle }}>Menu</SbButton>
+        }
+        <dialog
+          class="sb-context-menu"
+          open={opened.value ? true : undefined}
+          onClick={($event: Event) => {
+            // Make sure clicks inside do not autoclose this
+            $event.stopPropagation();
+          }}
+          {...{ onClose: close /* TODO: DialogHTMLAttributes needs an onClose handler type */ }}
+        >
+            {context.slots.default?.({
+              opened,
+              toggle,
+              close,
+              open,
+            }) || null}
+        </dialog>
+      </div>
+    );
+  },
+});

packages/core/lib/components/Main.scss

@@ -1,10 +1,8 @@
-*,
-*::before,
-*::after {
-  box-sizing: border-box; 
-}
+.sb-main {
+  position: relative;
+  color: var(--fg);
+  background-color: var(--bg);
 
-html {
   --grey-0: white;
   --grey-1-t: rgba(0, 0, 0, 0.05);
   --grey-1: rgb(242, 242, 242);
@@ -22,9 +20,16 @@ html {
   --fg: var(--black);
 
   --interact: #3f9cff;
-}
+  --interact-lite: #3f9cff;
 
-body {
-  margin: 0;
-  min-height: 100vh;
+  --z-toolbar: 2000;
+  --z-context-menu: 3000;
+  --z-tree-block-select: 4000;
+  --z-modal: 10000;
+
+  *,
+  *::before,
+  *::after {
+    box-sizing: border-box; 
+  }
 }

packages/core/lib/components/Main.tsx

@@ -0,0 +1,119 @@
+import {
+  defineComponent,
+  provide,
+  shallowReactive,
+  ref,
+  watch,
+  PropType,
+  Ref,
+} from 'vue';
+import {
+  IBlockData,
+  IBlockDefinition,
+  IBlockLibrary,
+  ITreeNode,
+  OnUpdateBlockCb,
+} from '../types';
+import { model } from '../block-helpers';
+import { SymMode, SbMode } from '../mode';
+import { SymBlockLibrary} from '../use-dynamic-blocks';
+import {
+  SymBlockTree,
+  SymBlockTreeRegister,
+  SymBlockTreeUnregister,
+} from '../use-block-tree';
+import { SymEditorDimensions, useResizeObserver } from '../use-resize-observer';
+import { SymActiveBlock } from '../use-activation';
+
+import { SbMainMenu } from './MainMenu';
+import { SbBlockToolbar } from './BlockToolbar';
+import { SbBlock } from './Block';
+
+export interface ISbMainProps {
+  availableBlocks: IBlockDefinition<any>[];
+  block: IBlockData<any>;
+  eventUpdate: OnUpdateBlockCb;
+  mode: SbMode;
+}
+
+import './Main.scss';
+
+export const SbMain = defineComponent({
+  name: 'sb-main',
+
+  model,
+
+  props: {
+    availableBlocks: {
+      type: Array as PropType<IBlockDefinition<any>[]>,
+      default: () => [],
+    },
+    block: {
+      type: Object as PropType<IBlockData<any>>,
+      required: true,
+    },
+    /**
+     * Called when the block should be updated.
+     */
+    eventUpdate: {
+      type: (null as unknown) as PropType<OnUpdateBlockCb>,
+      default: () => {},
+    },
+    mode: {
+      type: String as PropType<SbMode>,
+      validator(value: any) {
+        return Object.values(SbMode).includes(value);
+      },
+      default: SbMode.Edit,
+    },
+  },
+
+  setup(props: ISbMainProps) {
+    const el: Ref<null|HTMLElement> = ref(null);
+    useResizeObserver(el, SymEditorDimensions);
+
+    const mode = ref(props.mode);
+    provide(SymMode, mode);
+
+    watch(() => props.mode, (newMode) => {
+      mode.value = newMode;
+    });
+
+    const activeBlock = ref(null);
+    provide(SymActiveBlock, activeBlock);
+
+    const blockTree: Ref<ITreeNode|null> = ref(null);
+    provide(SymBlockTree, blockTree);
+    provide(SymBlockTreeRegister, (block: ITreeNode) => { blockTree.value = block; });
+    provide(SymBlockTreeUnregister, () => { blockTree.value = null; });
+
+    const blockLibrary: IBlockLibrary = shallowReactive({
+      ...props.availableBlocks.reduce(
+        (blocks: IBlockLibrary, block: IBlockDefinition<any>) => ({ ...blocks, [block.name]: block }),
+        {},
+      ),
+    });
+
+    provide(SymBlockLibrary, blockLibrary);
+
+    return () => (
+      <div
+        class="sb-main"
+        ref={el}
+      >
+        {
+          mode.value === SbMode.Edit
+          ? <>
+            <SbMainMenu block={props.block} />
+            <SbBlockToolbar />
+          </>
+          : null
+        }
+        <SbBlock
+          block={props.block}
+          eventUpdate={props.eventUpdate}
+        />
+      </div>
+    );
+  },
+});

packages/core/lib/components/MainMenu.scss

@@ -0,0 +1,5 @@
+.sb-main-menu {
+  display: flex;
+  padding-bottom: 4rem;
+  background-color: var(--grey-0);
+}

packages/core/lib/components/MainMenu.tsx

@@ -0,0 +1,27 @@
+import {
+  defineComponent,
+  PropType,
+} from 'vue';
+import { IBlockData } from '../types';
+import { SbTreeBlockSelect } from './TreeBlockSelect';
+
+import './MainMenu.scss';
+
+export const SbMainMenu = defineComponent({
+  name: 'sb-main-menu',
+
+  props: {
+    block: {
+      type: (null as unknown) as PropType<IBlockData<any>>,
+      required: true,
+    },
+  },
+
+  setup() {
+    return () => (
+      <div class="sb-main-menu">
+        <SbTreeBlockSelect />
+      </div>
+    );
+  },
+});

packages/core/lib/components/MissingBlock/index.ts

@@ -0,0 +1,7 @@
+import { defineAsyncComponent } from 'vue';
+
+export default {
+  name: 'sb-missing-block',
+  edit: defineAsyncComponent(() => import('./view')),
+  view: defineAsyncComponent(() => import('./view')),
+};

packages/core/lib/components/MissingBlock/view.tsx

@@ -2,25 +2,18 @@ import { defineComponent, PropType } from 'vue';
 import {
   model,
   blockProps,
-  BlockProps,
-} from '../../blocks';
+} from '../../block-helpers';
 
 import './style.scss';
 
-interface MissingBlockProps extends BlockProps<any> {
-  eventUpdate: (b?: any) => void;
-  eventAppendBlock: (b?: any) => void;
-  eventRemoveBlock: () => void;
-}
-
 export default defineComponent({
   name: 'sb-missing-block',
 
   model,
 
   props: {
-    name: String,
     ...blockProps,
+    name: String,
     data: {
       type: (null as unknown) as PropType<any>,
       default: null,
@@ -30,12 +23,9 @@ export default defineComponent({
     eventRemoveBlock: { type: Function, default: () => {} },
   },
 
-  setup(props: MissingBlockProps) {
-    console.log(props, props.name, props.data, props.blockId);
+  setup(props) {
     return () => (
-      <div class="sb-missing-block">
-        Missing block: {props.name}
-      </div>
+      <div class="sb-missing-block">Missing block: {props.name}</div>
     );
   },
 });

packages/core/lib/components/Modal.scss

@@ -2,7 +2,7 @@
   &__overlay {
     background-color: var(--grey-3-t);
     position: fixed;
-    z-index: 10;
+    z-index: var(--z-modal);
     top: 0;
     left: 0;
     bottom: 0;

packages/core/lib/components/Modal.tsx

@@ -5,11 +5,6 @@ import {
 
 import './Modal.scss';
 
-interface ModalProps {
-  open: boolean;
-  eventClose: () => void;
-}
-
 export const SbModal = defineComponent({
   name: 'sb-modal',
 
@@ -18,10 +13,10 @@ export const SbModal = defineComponent({
       type: Boolean,
       default: false,
     },
-    eventClose: { type: Function, default: () => {} },
+    onClose: { type: Function, default: () => {} },
   },
 
-  setup(props: ModalProps, context) {
+  setup(props, context) {
     const classes = computed(() => ({
       'sb-modal': true,
       'sb-modal_open': props.open,
@@ -33,11 +28,11 @@ export const SbModal = defineComponent({
           class="sb-modal__overlay"
           onClick={($event: MouseEvent) => {
             $event.stopPropagation();
-            props.eventClose();
+            props.onClose();
           }}
         >
           <div class="sb-modal__content">
-            {context.slots.default()}
+            {context.slots.default?.()}
           </div>
         </div>
       </div>

packages/core/lib/components/Schlechtenburg.scss

@@ -1,5 +0,0 @@
-.sb-main {
-  position: relative;
-  background-color: var(--bg);
-  padding: 50px 40px;
-}

packages/core/lib/components/Schlechtenburg.tsx

@@ -1,85 +0,0 @@
-import {
-  defineComponent,
-  provide,
-  shallowReactive,
-  ref,
-  watch,
-  PropType,
-  Ref,
-} from 'vue';
-import {
-  model,
-  Block,
-  BlockDefinition,
-  BlockLibraryDefinition,
-} from '../blocks';
-import { Mode, SbMode } from '../mode';
-import { BlockLibrary } from '../use-dynamic-blocks';
-import { EditorDimensions, useResizeObserver } from '../use-resize-observer';
-import { ActiveBlock } from '../use-activation';
-
-import { SbBlock } from './Block';
-
-import './Schlechtenburg.scss';
-
-export interface SchlechtenburgProps {
-  customBlocks: BlockDefinition[];
-  eventUpdate: (b: Block<any>) => void;
-  block: Block<any>;
-  mode: SbMode;
-}
-
-export const Schlechtenburg = defineComponent({
-  name: 'schlechtenburg-main',
-
-  model,
-
-  props: {
-    customBlocks: { type: Array as PropType<BlockDefinition[]>, default: () => [] },
-    block: { type: Object as PropType<Block<any>>, required: true },
-    eventUpdate: { type: Function, default: () => {} },
-    mode: {
-      type: String as PropType<SbMode>,
-      validator(value: any) {
-        return Object.values(SbMode).includes(value);
-      },
-      default: SbMode.Edit,
-    },
-  },
-
-  setup(props: SchlechtenburgProps) {
-    const el: Ref<null|HTMLElement> = ref(null);
-    useResizeObserver(el, EditorDimensions);
-
-    const mode = ref(props.mode);
-    provide(Mode, mode);
-
-    const activeBlock = ref(null);
-    provide(ActiveBlock, activeBlock);
-
-    const blockLibrary: BlockLibraryDefinition = shallowReactive({
-      ...props.customBlocks.reduce(
-        (blocks: {[name: string]: Block<any>}, block: Block<any>) => ({ ...blocks, [block.name]: block }),
-        {},
-      ),
-    });
-
-    provide(BlockLibrary, blockLibrary);
-
-    watch(props.block, () => {
-      console.log('Update', props.block);
-    });
-
-    return () => (
-      <div
-        class="sb-main"
-        ref={el}
-      >
-        <SbBlock
-          block={props.block}
-          eventUpdate={props.eventUpdate}
-        />
-      </div>
-    );
-  },
-});

packages/core/lib/components/Select.scss

@@ -2,6 +2,7 @@
   background-color: var(--grey-0);
   border: 1px solid var(--grey-2);
   position: relative;
+  font-size: 1rem;
 
   &:hover {
     border: 1px solid var(--interact);

packages/core/lib/components/Select.tsx

@@ -1,19 +1,29 @@
 import { defineComponent } from 'vue';
 import './Select.scss';
 
+/**
+ * A select input in the schlechtenburg theme
+ * @sbui
+ */
 export const SbSelect = defineComponent({
   name: 'sb-select',
 
   inheritAttrs: false,
 
-  setup(props, context) {
+  setup(_, context) {
     return () => (
       <div class="sb-select">
         <select
           class="sb-select__input"
           {...context.attrs}
         >
-          {context.slots.default()}
+        {
+          /**
+           * The select options list
+           * @slot default
+           */
+          context.slots.default?.()
+        }
         </select>
       </div>
     );

packages/core/lib/components/Toolbar.scss

@@ -2,4 +2,7 @@
   position: absolute;
   width: auto;
   height: auto;
+  display: flex;
+  flex-wrap: wrap;
+  z-index: var(--z-toolbar);
 }

packages/core/lib/components/Toolbar.tsx

@@ -1,4 +1,4 @@
-import { debounce } from 'lodash-es';
+import debounce from 'lodash/debounce';
 import {
   defineComponent,
   watch,
@@ -8,6 +8,10 @@ import { useBlockSizing } from '../use-resize-observer';
 
 import './Toolbar.scss';
 
+/**
+ * Toolbar in the schlechtenburg theme
+ * @sbui
+ */
 export const SbToolbar = defineComponent({
   name: 'sb-toolbar',
 
@@ -38,7 +42,13 @@ export const SbToolbar = defineComponent({
         style={styles}
         onClick={($event: MouseEvent) => $event.stopPropagation()}
       >
-        {context.slots?.default?.()}
+        {
+          /**
+           * The toolbar contents
+           * @slot default
+           */
+          context.slots.default?.()
+        }
       </div>
     );
   },

packages/core/lib/components/TreeBlockSelect.scss

@@ -0,0 +1,36 @@
+.sb-tree-block-select {
+  &__list {
+    list-style: none;
+    color: var(--fg);
+    margin: 0;
+    padding: 0;
+
+    &_base {
+      padding-right: 1rem;
+    }
+  }
+
+  &__block {
+    padding: 0;
+    margin: 0;
+    padding-left: 1rem;
+
+    &-name {
+      display: block;
+      background: transparent;
+      border: 0;
+      font: inherit;
+      color: inherit;
+      padding: 0.25rem 0.5rem;
+      width: 100%;
+      text-align: left;
+    }
+
+
+    &_active {
+      & > .sb-tree-block-select__block-name {
+        outline: 1px solid var(--interact);
+      }
+    }
+  }
+}

packages/core/lib/components/TreeBlockSelect.tsx

@@ -0,0 +1,58 @@
+import { defineComponent } from 'vue';
+import { ITreeNode } from '../types';
+import { useBlockTree } from '../use-block-tree';
+import { useActivation } from '../use-activation';
+
+import { SbContextMenu } from './ContextMenu';
+import { SbButton } from './Button';
+
+import './TreeBlockSelect.scss';
+
+export const SbTreeBlockSelect = defineComponent({
+  name: 'sb-main-menu',
+
+  setup() {
+    const { blockTree } = useBlockTree();
+    const {
+      activate,
+      activeBlockId,
+    } = useActivation();
+
+    const treeToHtml = (tree: ITreeNode, close: Function) => <li
+      class={{
+        'sb-tree-block-select__block': true,
+        'sb-tree-block-select__block_active': activeBlockId.value === tree.id,
+      }}
+    >
+      <button
+        class="sb-tree-block-select__block-name"
+        onClick={() => {
+          activate(tree.id);
+          close();
+        }}
+        onMouseenter={() => activate(tree.id)}
+      >{tree.name}</button>
+      {tree.children?.length
+        ? <ul class="sb-tree-block-select__list">
+          {tree.children?.map((child: ITreeNode) => treeToHtml(child, close))}
+        </ul>
+          : null
+      }
+    </li>;
+
+
+    return () => (
+      blockTree.value
+        ?  <SbContextMenu
+          class="sb-tree-block-select"
+          v-slots={{
+            context: ({ toggle }: { toggle: Function }) => <SbButton {...{ onClick: toggle }}>Tree</SbButton>,
+            default: ({ close }: { close: Function }) => <ul
+              class="sb-tree-block-select__list sb-tree-block-select__list_base"
+            >{treeToHtml(blockTree.value as ITreeNode, close)}</ul>,
+          }}
+        />
+        : ''
+    );
+  },
+});

packages/core/lib/directives/activation-cover.js

@@ -1,3 +0,0 @@
-export default {
-
-};

packages/core/lib/directives/hover-cover.scss

@@ -0,0 +1,9 @@
+.sb-hover-cover {
+  &:hover {
+    outline: 1px dashed var(--interact);
+  }
+
+  &_child-hovered:hover {
+    outline: none;
+  }
+}

packages/core/lib/directives/hover-cover.ts

@@ -0,0 +1,64 @@
+import './hover-cover.scss';
+
+const findParents = (el: HTMLElement, foundParents: HTMLElement[] = []): HTMLElement[] => {
+  const parent = el.parentElement as HTMLElement|null;
+  if (!parent) {
+    return foundParents;
+  }
+
+  if (parent.classList.contains('sb-hover-cover')) {
+    return findParents(
+      parent,
+      [
+        ...foundParents,
+        parent,
+      ],
+    );
+  }
+
+  return findParents(
+    parent,
+    foundParents,
+  );
+}
+
+const parentData = new WeakMap();
+
+const onMouseEnter = (event: MouseEvent) => {
+  const parents = parentData.get(event.target as HTMLElement);
+  for (const parent of parents) {
+    parent.classList.add('sb-hover-cover_child-hovered');
+  }
+};
+
+const onMouseLeave = (event: MouseEvent) => {
+  const parents = parentData.get(event.target as HTMLElement);
+  if (parents && parents.length) {
+    parents[0].classList.remove('sb-hover-cover_child-hovered');
+  }
+};
+
+export default {
+  updated(el: HTMLElement) {
+    el.classList.add('sb-hover-cover');
+  },
+
+  beforeMount(el: HTMLElement) {
+    el.classList.add('sb-hover-cover');
+  },
+
+  mounted(el: HTMLElement) {
+    el.classList.add('sb-hover-cover');
+
+    const parents = findParents(el);
+    parentData.set(el, parents);
+
+    el.addEventListener('mouseenter', onMouseEnter)
+    el.addEventListener('mouseleave', onMouseLeave)
+  },
+
+  unmounted(el:HTMLElement) {
+    el.removeEventListener('mouseenter', onMouseEnter)
+    el.removeEventListener('mouseleave', onMouseLeave)
+  },
+};

packages/core/lib/index.ts

@@ -1,13 +1,13 @@
 export * from './mode';
-export * from './blocks';
+export * from './types';
+
+export * from './block-helpers';
 
 export * from './use-activation';
 export * from './use-dynamic-blocks';
 export * from './use-resize-observer';
 
-export * from './directives/activation-cover.js';
-
-export * from './components/Schlechtenburg';
+export * from './components/Main';
 export * from './components/Block';
 export * from './components/BlockPicker';
 export * from './components/BlockOrdering';

packages/core/lib/mode.ts

@@ -1,5 +1,8 @@
+/**
+ * The mode the Schlechtenburg editor is currently in
+ */
 export enum SbMode {
   Edit = 'edit',
-  Display = 'display',
+  View = 'view',
 }
-export const Mode = Symbol('Schlechtenburg mode');
+export const SymMode = Symbol('Schlechtenburg mode');

packages/core/lib/types.d.ts

@@ -0,0 +1,8 @@
+/*
+import {HTMLAttributes} from "vue";
+
+interface DialogHTMLAttributes extends HTMLAttributes {
+  open?: boolean;
+  onClose?: Function;
+}
+*/

packages/core/lib/types.ts

@@ -0,0 +1,172 @@
+import { Component } from 'vue';
+
+/**
+ * Schlechtenburg keeps track of the rendered block tree.
+ * This is useful for e.g. the tree select component in the editor header.
+ *
+ * @internal
+ */
+export interface ITreeNode {
+  id: string;
+  name: string;
+  icon?: string;
+  children: ITreeNode[];
+}
+
+/**
+ * Schlechtenburg inputs and outputs a plain JS Object that can be JSON stringified. This is the
+ * interface type for that data structure. `T` will be the data type of the specific block being
+ *
+ * @see SbMain
+ */
+export interface IBlockData<T> {
+  id: string;
+  name: string;
+  data: T;
+}
+
+
+/**
+ * Callback type for sending full block updates. SbBlock takes this as a prop.
+ *
+ * ```
+ * <SbBlock eventUpdate={myFn as OnUpdateSelfCb}></SbBlock>
+ * ```
+ *
+ * @see SbBlock
+ */
+export type OnUpdateBlockCb = (updated: IBlockData<any>) => void;
+
+/**
+ * Callback type for sending partial self-updates in edit mode.
+ *
+ * ```
+ * props: {
+ *   eventUpdate: {
+ *     type: (null as unknown) as PropType<OnUpdateSelfCb<IYourComponentData>>,
+ *     default: () => {},
+ *   },
+ * }
+ * ```
+ *
+ * @see SbBlock
+ */
+export type OnUpdateSelfCb<T> = (updated: Partial<T>) => void;
+
+/**
+ * Callback type for sending blocks that should be prepended as a sibling before the current block
+ *
+ * ```
+ * props: {
+ *   eventPrependBlock: {
+ *     type: (null as unknown) as PropType<OnPrependBlockCb<IComponentToBePrependedData>>,
+ *     default: () => {},
+ *   },
+ * }
+ * ```
+ *
+ * @see SbBlock
+ */
+export type OnPrependBlockCb =  (block: IBlockData<any>) => void;
+
+/**
+ * Callback type for sending blocks that should be appended as a sibling after the current block
+ *
+ * ```
+ * props: {
+ *   eventAppendBlock: {
+ *     type: (null as unknown) as PropType<OnAppendBlockCb<IComponentToBeAppendedData>>,
+ *     default: () => {},
+ *   },
+ * }
+ * ```
+ *
+ * @see SbBlock
+ */
+export type OnAppendBlockCb =  (block: IBlockData<any>) => void;
+
+/**
+ * Callback type for removing the current block.
+ *
+ * ```
+ * props: {
+ *   eventRemoveSelf: {
+ *     type: (null as unknown) as PropType<OnRemoveSelfCb>,
+ *     default: () => {},
+ *   },
+ * }
+ * ```
+ *
+ * @see SbBlock
+ */
+export type OnRemoveSelfCb =  () => void;
+
+/**
+ * Callback type for activating the previous block.
+ *
+ * ```
+ * props: {
+ *   eventActivatePrevious: {
+ *     type: (null as unknown) as PropType<OnActivatePreviousCb>,
+ *     default: (_i:number) => {},
+ *   },
+ * }
+ * ```
+ *
+ * @see SbBlock
+ */
+export type OnActivatePreviousCb =  (_i:number) => void;
+
+/**
+ * Callback type for activating the next block.
+ *
+ * ```
+ * props: {
+ *   eventActivateNext: {
+ *     type: (null as unknown) as PropType<OnActivateNextCb>,
+ *     default: (_i:number) => {},
+ *   },
+ * }
+ * ```
+ *
+ * @see SbBlock
+ */
+export type OnActivateNextCb =  (_i:number) => void;
+
+/**
+ * Any Block that you create
+ *
+ * @see IBlockDefinition
+ */
+export interface IBlockProps<T> {
+  blockId?: string;
+  data?: T,
+  eventUpdate?: OnUpdateSelfCb<T>;
+  eventPrependBlock?: OnPrependBlockCb;
+  eventAppendBlock?: OnAppendBlockCb;
+  eventRemoveSelf?: OnRemoveSelfCb;
+  eventActivateNext?: OnActivateNextCb;
+  eventActivatePrevious?: OnActivatePreviousCb;
+}
+
+/**
+ * Any Block that you create
+ *
+ * @see IBlockProps
+ */
+export interface IBlockDefinition<T> {
+  name: string;
+  icon?: string;
+  getDefaultData: T;
+  edit: Component<IBlockProps<T>>;
+  view: Component<IBlockProps<T>>;
+}
+
+/**
+ * Schlechtenburg maintains a library of blocks that are available
+ *
+ * @internal
+ */
+export interface IBlockLibrary {
+  [name: string]: IBlockDefinition<any>;
+}

packages/core/lib/use-activation.ts

@@ -3,15 +3,34 @@ import {
   ref,
   inject,
   computed,
+  onBeforeUnmount,
 } from 'vue';
 
-export const ActiveBlock = Symbol('Schlechtenburg active block');
-export function useActivation(currentBlockId: string) {
-  const activeBlockId: Ref<string|null> = inject(ActiveBlock, ref(null));
+export const SymActiveBlock = Symbol('Schlechtenburg active block');
+export function useActivation(currentBlockId: string|null = null) {
+  const activeBlockId: Ref<string|null> = inject(SymActiveBlock, ref(null));
+
   const isActive = computed(() => activeBlockId.value === currentBlockId);
-  const activate = (blockId?: string|null) => {
-    activeBlockId.value = blockId !== undefined ? blockId : currentBlockId;
+
+  const deactivate = (id: string|null = currentBlockId) => {
+    if (activeBlockId.value !== id) {
+      return;
+    }
+
+    activeBlockId.value = null;
   };
+
+  const deactivateCb = (_:Event) => deactivate();
+
+  onBeforeUnmount(() => {
+    document.removeEventListener('click', deactivateCb);
+  })
+
+  const activate = (id: string|null = currentBlockId) => {
+    document.addEventListener('click', deactivateCb, { once: true });
+    activeBlockId.value = id;
+  };
+
   const requestActivation = () => {
     if (activeBlockId.value) {
       return;
@@ -21,8 +40,10 @@ export function useActivation(currentBlockId: string) {
   };
 
   return {
+    activeBlockId,
     isActive,
     activate,
+    deactivate,
     requestActivation,
   };
 }

packages/core/lib/use-block-tree.ts

@@ -0,0 +1,85 @@
+import {
+  ref,
+  Ref,
+  reactive,
+  inject,
+  provide,
+  onUnmounted,
+} from 'vue';
+import {
+  ITreeNode,
+  IBlockData,
+} from './types';
+import { useDynamicBlocks } from './use-dynamic-blocks';
+import { SbMode } from './mode';
+
+export const SymBlockTree= Symbol('Schlechtenburg block tree');
+export const SymBlockTreeRegister = Symbol('Schlechtenburg block tree register');
+export const SymBlockTreeUnregister = Symbol('Schlechtenburg block tree unregister');
+
+export function useBlockTree() {
+  const blockTree: Ref<ITreeNode|null> = inject(SymBlockTree, ref(null));
+  const registerWithParent = inject(SymBlockTreeRegister, (_b: ITreeNode, _i: number) => {});
+  const unregisterWithParent = inject(SymBlockTreeUnregister, (_b: ITreeNode) => {});
+
+  const self: ITreeNode = reactive({
+    id: '',
+    name: '',
+    icon: '',
+    children: [],
+  });
+
+  // Provide a registration function to child blocks
+  provide(SymBlockTreeRegister, (block: ITreeNode, index:number = -1) => {
+    if (self.children.find((child: ITreeNode) => child.id === block.id)) {
+      return;
+    }
+
+    if (index < 0) {
+    }
+
+    const normalizedIndex = index < 0 ? 0 : index;
+
+    self.children =[
+      ...self.children.slice(0, normalizedIndex),
+      block,
+      ...self.children.slice(normalizedIndex),
+    ];
+  });
+
+  // Provide an unregistration function to child blocks
+  provide(SymBlockTreeUnregister, ({ id }: ITreeNode) => {
+    self.children = self.children.filter((child: ITreeNode) => child.id !== id);
+  });
+
+  const { mode } = useDynamicBlocks();
+
+  const register = (block: IBlockData<any>, index: number = 0) => {
+    if (!block.id) {
+      throw new Error(`Cannot register a block without an id: ${JSON.stringify(block)}`);
+    }
+
+    if (mode.value !== SbMode.Edit) {
+      console.warn('Ignoring block tree registration requests outside of edit mode.');
+      return;
+    }
+
+    self.id = block.id;
+    self.name = block.name;
+
+    // Register ourselves at the parent block
+    registerWithParent(self, index);
+  }
+
+  // Unregister from parent when we get destroyed
+  onUnmounted(() => {
+    if (self.id) {
+      unregisterWithParent(self);
+    }
+  });
+
+  return {
+    blockTree,
+    register,
+  };
+}

packages/core/lib/use-dynamic-blocks.ts

@@ -3,14 +3,14 @@ import {
   inject,
   reactive,
 } from 'vue';
-import { BlockLibraryDefinition } from './blocks';
-import { Mode, SbMode } from './mode';
+import { IBlockLibrary } from './types';
+import { SymMode, SbMode } from './mode';
 
-export const BlockLibrary = Symbol('Schlechtenburg block library');
+export const SymBlockLibrary = Symbol('Schlechtenburg block library');
 export function useDynamicBlocks() {
-  const mode = inject(Mode, ref(SbMode.Edit));
-  const customBlocks: BlockLibraryDefinition = inject(BlockLibrary, reactive({}));
-  const getBlock = (name: string) => customBlocks[name]?.[mode.value];
+  const mode = inject(SymMode, ref(SbMode.Edit));
+  const customBlocks: IBlockLibrary = inject(SymBlockLibrary, reactive({}));
+  const getBlock = (name: string) => customBlocks[name];
 
   return {
     mode,

packages/core/lib/use-resize-observer.ts

@@ -2,6 +2,7 @@ import {
   Ref,
   ref,
   inject,
+  onBeforeMount,
   watch,
   provide,
 } from 'vue';
@@ -13,8 +14,8 @@ interface BlockRect {
   top: number;
 }
 
-export const BlockDimensions = Symbol('Schlechtenburg block dimensions');
-export const EditorDimensions = Symbol('Schlechtenburg editor dimensions');
+export const SymBlockDimensions = Symbol('Schlechtenburg block dimensions');
+export const SymEditorDimensions = Symbol('Schlechtenburg editor dimensions');
 export function useResizeObserver(el: Ref<null|HTMLElement>, symbol: symbol) {
   const dimensions: Ref<null|BlockRect> = ref(null);
   provide(symbol, dimensions);
@@ -32,23 +33,25 @@ export function useResizeObserver(el: Ref<null|HTMLElement>, symbol: symbol) {
     };
   };
 
-  const resizeObserver = new ResizeObserver(triggerSizeCalculation);
-  const mutationObserver = new MutationObserver(triggerSizeCalculation);
+  onBeforeMount(() => {
+    const resizeObserver = new ResizeObserver(triggerSizeCalculation);
+    const mutationObserver = new MutationObserver(triggerSizeCalculation);
 
-  watch(el, () => {
-    if (!el.value) {
-      return;
-    }
-    resizeObserver.observe(el.value);
-    mutationObserver.observe(el.value, { attributes: true, childList: false, subtree: false });
-  });
+    watch(el, () => {
+      if (!el.value) {
+        return;
+      }
+      resizeObserver.observe(el.value);
+      mutationObserver.observe(el.value, { attributes: true, childList: false, subtree: false });
+    });
+  })
 
   return { triggerSizeCalculation, dimensions };
 }
 
 export function useBlockSizing() {
-  const editorDimensions: Ref<BlockRect|null> = inject(EditorDimensions, ref(null));
-  const blockDimensions: Ref<BlockRect|null> = inject(BlockDimensions, ref(null));
+  const editorDimensions: Ref<BlockRect|null> = inject(SymEditorDimensions, ref(null));
+  const blockDimensions: Ref<BlockRect|null> = inject(SymBlockDimensions, ref(null));
 
   return { editorDimensions, blockDimensions };
 }

packages/core/package.json

@@ -6,12 +6,18 @@
   "homepage": "",
   "license": "GPL-3.0-or-later",
   "main": "lib/index.ts",
+  "scripts": {
+    "dev": "npm run json-to-md:watch",
+    "typecheck": "vuedx-typecheck --no-pretty ./lib",
+    "test": "echo \"Error: run tests from root\" && exit 1"
+  },
   "directories": {
-    "lib": "lib",
-    "test": "__tests__"
+    "doc": "docs",
+    "lib": "lib"
   },
   "files": [
-    "lib"
+    "lib",
+    "docs"
   ],
   "publishConfig": {
     "access": "public"
@@ -21,7 +27,17 @@
     "url": "git@git.b12f.io:b12f/schlechtenburg.git"
   },
   "dependencies": {
-    "vue": "^3.0.4",
-    "lodash-es": "^4.17.20"
+    "lodash": "^4.17.21",
+    "uuid": "^8.3.2"
+  },
+  "peerDependencies": {
+    "vue": "^3.2.31"
+  },
+  "devDependencies": {
+    "@types/lodash-es": "^4.17.4",
+    "@types/uuid": "^8.3.0",
+    "@vuedx/typecheck": "^0.6.3",
+    "@vuedx/typescript-plugin-vue": "^0.6.3",
+    "vue": "^3.4.23"
   }
 }

packages/core/tsconfig.json

@@ -0,0 +1,9 @@
+{
+  "extends": "../../tsconfig.json",
+  "include": [
+    "lib/**/*.ts",
+    "lib/**/*.d.ts",
+    "lib/**/*.tsx",
+    "lib/**/*.vue"
+  ]
+}

packages/heading/__tests__/heading.test.js

@@ -1,7 +0,0 @@
-'use strict';
-
-const heading = require('..');
-
-describe('@schlechtenburg/heading', () => {
-    it('needs tests');
-});

packages/heading/__tests__/heading.test.ts

@@ -0,0 +1,16 @@
+import { describe, expect, it } from 'vitest'
+import { mount } from '@vue/test-utils';
+import SbHeadingEdit from '../lib/edit';
+import SbHeadingView from '../lib/view';
+
+describe('@schlechtenburg/heading', () => {
+  it('edit should render', () => {
+    const edit = mount(SbHeadingEdit);
+    expect(edit.find('p').element).toBeTruthy();
+    expect(edit.find('div.sb-toolbar').element).toBeTruthy();
+  });
+  it('view should render', () => {
+    const edit = mount(SbHeadingView);
+    expect(edit.find('h1').element).toBeTruthy();
+  });
+});

packages/heading/docs/components.json

@@ -0,0 +1 @@
+[]

packages/heading/lib/edit.tsx

@@ -1 +1,220 @@
-export default {};
+import {
+  defineComponent,
+  reactive,
+  computed,
+  ref,
+  Ref,
+  onMounted,
+  watch,
+  PropType,
+} from 'vue';
+import {
+  model,
+  useActivation,
+  SbToolbar,
+  SbSelect,
+  OnUpdateSelfCb,
+  OnAppendBlockCb,
+  OnRemoveSelfCb,
+  OnActivateNextCb,
+  OnActivatePreviousCb,
+  generateBlockId,
+} from '@schlechtenburg/core';
+import {
+  getDefaultData,
+  IHeadingData
+} from './util';
+import { getDefaultData as getDefaultParagraphData } from '@schlechtenburg/paragraph';
+
+import './style.scss';
+
+export default defineComponent({
+  name: 'sb-heading-edit',
+
+  model,
+
+  props: {
+    blockId: { type: String, required: true },
+    data: {
+      type: (null as unknown) as PropType<IHeadingData>,
+      default: getDefaultData,
+    },
+    eventUpdate: {
+      type: (null as unknown) as PropType<OnUpdateSelfCb<IHeadingData>>,
+      default: () => {},
+    },
+    eventAppendBlock: {
+      type: (null as unknown) as PropType<OnAppendBlockCb>,
+      default: () => {},
+    },
+    eventRemoveSelf: {
+      type: (null as unknown) as PropType<OnRemoveSelfCb>,
+      default: () => {},
+    },
+    eventActivateNext: {
+      type: (null as unknown) as PropType<OnActivateNextCb>,
+      default: () => {},
+    },
+    eventActivatePrevious: {
+      type: (null as unknown) as PropType<OnActivatePreviousCb>,
+      default: () => {},
+    },
+  },
+
+  setup(props) {
+    const localData = (reactive({
+      value: props.data.value,
+      align: props.data.align,
+      level: props.data.level,
+      focused: false,
+    }) as unknown) as {
+      value: string;
+      align: string;
+      level: number;
+      focused: boolean;
+    };
+
+    const inputEl: Ref<null|HTMLElement> = ref(null);
+
+    const { isActive, activate } = useActivation(props.blockId);
+
+    const focusInput = () => {
+      if (inputEl.value && isActive.value) {
+        inputEl.value.focus();
+      }
+    };
+
+    onMounted(() => {
+      focusInput();
+      if (inputEl.value) {
+        inputEl.value.innerHTML = localData.value;
+      }
+    });
+
+    watch(isActive, focusInput);
+
+    watch(() => props.data, () => {
+      localData.value = props.data.value;
+      localData.align = props.data.align;
+      localData.level = props.data.level;
+      if (inputEl.value) {
+        inputEl.value.innerHTML = localData.value;
+      }
+    });
+
+    const onTextUpdate = ($event: Event) => {
+      localData.value = ($event.target as HTMLElement).innerHTML;
+    };
+
+    const classes = computed(() => ({
+      'sb-heading': true,
+      'sb-heading_focused': localData.focused,
+      [`sb-heading_align-${localData.align}`]: true,
+      [`sb-heading_${localData.level}`]: true,
+    }));
+
+    const setLevel = ($event: Event) => {
+      props.eventUpdate({
+        ...localData,
+        level: parseInt(($event.target as HTMLSelectElement).value, 10),
+      });
+    };
+
+    const setAlignment = ($event: Event) => {
+      props.eventUpdate({
+        ...localData,
+        align: ($event.target as HTMLSelectElement).value,
+      });
+    };
+
+    const onFocus = () => {
+      localData.focused = true;
+      activate();
+    };
+
+    const onBlur = () => {
+      localData.focused = false;
+      props.eventUpdate({
+        value: localData.value,
+        align: localData.align,
+        level: localData.level,
+      });
+    };
+
+    const onKeydown = ($event: KeyboardEvent) => {
+      if ($event.key === 'Enter' && !$event.shiftKey) {
+        const id = generateBlockId();
+        props.eventAppendBlock({
+          id,
+          name: 'sb-paragraph',
+          data: getDefaultParagraphData(),
+        });
+
+        activate(id);
+
+        $event.preventDefault();
+      }
+    };
+
+    const onKeyup = ($event: KeyboardEvent) => {
+      if ($event.key === 'Backspace' && localData.value === '') {
+        props.eventRemoveSelf();
+      }
+
+      const selection = window.getSelection();
+      const node = selection?.focusNode;
+      const childNodes = Array.from(inputEl?.value?.childNodes || []);
+      const index = node ? childNodes.indexOf(node as ChildNode) : -1;
+      if (node === inputEl.value || index === 0 || index === childNodes.length -1) {
+        switch ($event.key) {
+          case 'ArrowDown':
+            props.eventActivateNext();
+            break;
+          case 'ArrowUp':
+            props.eventActivatePrevious();
+            break;
+        }
+      }
+    };
+
+    return () => (
+      <div class={classes.value}>
+        <SbToolbar>
+          <SbSelect
+            {...{
+              value: localData.level,
+              onChange: setLevel,
+            }}
+          >
+            <option value={1}>h1</option>
+            <option value={2}>h2</option>
+            <option value={3}>h3</option>
+            <option value={4}>h4</option>
+            <option value={5}>h5</option>
+            <option value={6}>h6</option>
+          </SbSelect>
+          <SbSelect
+            {...{
+              value: localData.align,
+              onChange: setAlignment,
+            }}
+          >
+            <option>left</option>
+            <option>center</option>
+            <option>right</option>
+          </SbSelect>
+        </SbToolbar>
+        <p
+          class="sb-heading__input"
+          ref={inputEl}
+          contenteditable
+          onInput={onTextUpdate}
+          onFocus={onFocus}
+          onBlur={onBlur}
+          onKeydown={onKeydown}
+          onKeyup={onKeyup}
+        ></p>
+      </div>
+    );
+  },
+});

packages/heading/lib/index.ts

@@ -1,9 +1,13 @@
 import { defineAsyncComponent } from 'vue';
+import { IBlockDefinition } from '@schlechtenburg/core';
 import { getDefaultData } from './util';
 
+export * from './util';
+export const name = 'sb-heading';
+
 export default {
-  name: 'sb-heading',
+  name,
   getDefaultData,
   edit: defineAsyncComponent(() => import('./edit')),
-  display: defineAsyncComponent(() => import('./edit')),
-};
+  view: defineAsyncComponent(() => import('./view')),
+} as IBlockDefinition;

packages/heading/lib/style.scss

@@ -0,0 +1,40 @@
+.sb-heading {
+  flex-basis: 100%;
+  font-weight: bold;
+  line-height: 1.2;
+
+  &_1 {
+    font-size: 4rem;
+  }
+
+  &_2 {
+    font-size: 3rem;
+  }
+
+  &_3 {
+    font-size: 2rem;
+  }
+
+  &_4 {
+    font-size: 1.6rem;
+  }
+
+  &_5 {
+    font-size: 1.2rem;
+  }
+
+  &_6 {
+    font-size: 1rem;
+  }
+
+  &__input {
+    display: block;
+    flex-basis: 100%;
+  }
+
+  &_align {
+    &-left { &, .sb-heading__input { text-align: left; } }
+    &-right {  &, .sb-heading__input { text-align: right; } }
+    &-center {  &, .sb-heading__input { text-align: center; } }
+  }
+}

packages/heading/lib/util.ts

@@ -1,2 +1,11 @@
-export const a = 1;
-export const getDefaultData = () => ({});
+export interface IHeadingData {
+  value: string;
+  align: string;
+  level: number;
+}
+
+export const getDefaultData: () => IHeadingData = () => ({
+  value: '',
+  align: 'left',
+  level: 1,
+});

packages/heading/lib/view.ts

@@ -0,0 +1,44 @@
+import {
+  defineComponent,
+  computed,
+  PropType,
+  h,
+} from 'vue';
+import {
+  model,
+} from '@schlechtenburg/core';
+import {
+  getDefaultData,
+  IHeadingData,
+} from './util';
+
+import './style.scss';
+
+export default defineComponent({
+  name: 'sb-heading-display',
+
+  model,
+
+  props: {
+    data: {
+      type: Object as PropType<IHeadingData>,
+      default: getDefaultData,
+    },
+  },
+
+  setup(props) {
+    const classes = computed(() => ({
+      'sb-heading': true,
+      [`sb-heading_align-${props.data.align}`]: true,
+      [`sb-heading_${props.data.level}`]: true,
+    }));
+
+    return () => h(
+      `h${props.data.level}`,
+      {
+        class: classes.value,
+        innerHTML: props.data.value,
+      },
+    );
+  },
+});

packages/heading/package.json

@@ -4,14 +4,15 @@
   "description": "> TODO: description",
   "author": "Benjamin Bädorf <hello@benjaminbaedorf.eu>",
   "homepage": "",
-  "license": "GPL-3.0-or-later",
+  "license": "AGPL-3.0-or-later",
   "main": "lib/index.ts",
   "directories": {
-    "lib": "lib",
-    "test": "__tests__"
+    "doc": "docs",
+    "lib": "lib"
   },
   "files": [
-    "lib"
+    "lib",
+    "docs"
   ],
   "publishConfig": {
     "access": "public"
@@ -21,10 +22,20 @@
     "url": "git@git.b12f.io:b12f/schlechtenburg.git"
   },
   "scripts": {
+    "dev": "npm run json-to-md:watch",
+    "typecheck": "vuedx-typecheck --no-pretty ./lib",
     "test": "echo \"Error: run tests from root\" && exit 1"
   },
+  "peerDependencies": {
+    "vue": "^3.2.31"
+  },
   "dependencies": {
     "@schlechtenburg/core": "^0.0.0",
-    "vue": "^3.0.4"
+    "@schlechtenburg/paragraph": "^0.0.0"
+  },
+  "devDependencies": {
+    "@vuedx/typecheck": "^0.6.3",
+    "@vuedx/typescript-plugin-vue": "^0.6.3",
+    "vue": "^3.2.31"
   }
 }

packages/heading/tsconfig.json

@@ -0,0 +1,9 @@
+{
+  "extends": "../../tsconfig.json",
+  "include": [
+    "lib/**/*.ts",
+    "lib/**/*.d.ts",
+    "lib/**/*.tsx",
+    "lib/**/*.vue"
+  ]
+}

packages/image/__tests__/image.test.js

@@ -1,7 +0,0 @@
-'use strict';
-
-const image = require('..');
-
-describe('@schlechtenburg/image', () => {
-    it('needs tests');
-});

packages/image/__tests__/image.test.ts

@@ -0,0 +1,16 @@
+import { describe, expect, it } from 'vitest'
+import { mount } from '@vue/test-utils';
+import SbImageEdit from '../lib/edit';
+import SbImageView from '../lib/view';
+
+describe('@schlechtenburg/image', () => {
+  it('edit should render', () => {
+    const edit = mount(SbImageEdit);
+    expect(edit.find('figure').element).toBeTruthy();
+    expect(edit.find('div.sb-toolbar').element).toBeTruthy();
+  });
+  it('view should render', () => {
+    const edit = mount(SbImageView);
+    expect(edit.find('img').element).toBeTruthy();
+  });
+});

packages/image/docs/components.json

@@ -0,0 +1 @@
+[]

packages/image/lib/edit.tsx

@@ -8,16 +8,16 @@ import {
 } from 'vue';
 import {
   model,
-  blockProps,
   SbToolbar,
   SbButton,
-  SbBlock
+  SbBlock,
+  IBlockData,
+  OnUpdateSelfCb,
 } from '@schlechtenburg/core';
-
+import { IParagraphData } from '@schlechtenburg/paragraph';
 import {
   getDefaultData,
-  ImageData,
-  ImageProps,
+  IImageData,
 } from './util';
 
 import './style.scss';
@@ -28,15 +28,17 @@ export default defineComponent({
   model,
 
   props: {
-    ...blockProps,
-    eventUpdate: { type: Function, default: () => {} },
+    eventUpdate: {
+      type: (null as unknown) as PropType<OnUpdateSelfCb<IImageData>>,
+      default: () => {},
+    },
     data: {
-      type: (null as unknown) as PropType<ImageData>,
+      type: (null as unknown) as PropType<IImageData>,
       default: getDefaultData,
     },
   },
 
-  setup(props: ImageProps) {
+  setup(props) {
     const localData = reactive({
       src: props.data.src,
       alt: props.data.alt,
@@ -61,8 +63,13 @@ export default defineComponent({
       if (fileInput.value && fileInput.value.files && fileInput.value.files.length) {
         const reader = new FileReader();
         reader.addEventListener('load', () => {
+          const src = reader?.result?.toString();
+          if (!src) {
+            throw new Error('Couldn\'t load image src');
+          }
+
           props.eventUpdate({
-            src: reader.result,
+            src,
             alt: props.data.alt,
             description: props.data.description,
           });
@@ -72,7 +79,7 @@ export default defineComponent({
       }
     };
 
-    const onDescriptionUpdate = (description) => {
+    const onDescriptionUpdate = (description: IBlockData<IParagraphData>) => {
       props.eventUpdate({
         ...props.data,
         description,
@@ -83,7 +90,7 @@ export default defineComponent({
       <figure class="sb-image">
         <SbToolbar>
           {localData.src
-            ? <SbButton onClick={selectImage}>Change Image</SbButton>
+            ? <SbButton {...{ onClick: selectImage }}>Select Image</SbButton>
             : null}
           <input
             type="file"
@@ -101,10 +108,11 @@ export default defineComponent({
               />
               <SbBlock
                 block={localData.description}
-                eventUpdate={(updated: Block) => onDescriptionUpdate(updated)}
+                onUpdate={(updated: IBlockData<IParagraphData>) => onDescriptionUpdate(updated)}
               />
             </>
-          : <SbButton onClick={selectImage}>Select Image</SbButton>}
+          : <SbButton {...{ onClick: selectImage }}>Select Image</SbButton>
+        }
       </figure>
     );
   },

packages/image/lib/index.ts

@@ -1,9 +1,12 @@
 import { defineAsyncComponent } from 'vue';
 import { getDefaultData } from './util';
 
+export * from './util';
+export const name = 'sb-image';
+
 export default {
-  name: 'sb-image',
+  name,
   getDefaultData,
   edit: defineAsyncComponent(() => import('./edit')),
-  display: defineAsyncComponent(() => import('./display')),
+  view: defineAsyncComponent(() => import('./view')),
 };

packages/image/lib/util.ts

@@ -1,22 +1,25 @@
 import {
-  ParagraphData,
+  IBlockData,
+  generateBlockId,
+} from '@schlechtenburg/core';
+import {
+  name as paragraphName,
+  IParagraphData,
   getDefaultData as getDefaultParagraphData
 } from '@schlechtenburg/paragraph';
-import { BlockData, BlockProps } from '/@/blocks';
 
-export interface ImageData {
+export interface IImageData {
   src: string;
   alt: string;
-  description: ParagraphData;
+  description: IBlockData<IParagraphData>;
 }
 
-export interface ImageProps extends BlockProps {
-  data: ImageData;
-  eventUpdate: (b?: BlockData) => void;
-}
-
-export const getDefaultData: () => ImageData = () => ({
+export const getDefaultData: () => IImageData = () => ({
   src: '',
   alt: '',
-  description: getDefaultParagraphData(),
+  description: {
+    id: generateBlockId(),
+    name: paragraphName,
+    data: getDefaultParagraphData(),
+  },
 });