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123 lines
4.0 KiB
Markdown
123 lines
4.0 KiB
Markdown
---
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tableOfContents: true
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---
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# Node views with JavaScript
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## Introduction
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Using frameworks like Vue or React can feel too complex, if you’re used to work without those two. Good news: You can use Vanilla JavaScript in your node views. There is just a little bit you need to know, but let’s go through this one by one.
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## Render a node view with JavaScript
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Here is what you need to do to render a node view inside your editor:
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1. [Create a node extension](/guide/custom-extensions)
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2. Register a new node view with `addNodeView()`
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3. Write your render function
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4. [Configure Tiptap to use your new node extension](/guide/configuration)
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This is how your node extension could look like:
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```js
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import { Node } from '@tiptap/core'
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export default Node.create({
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// configuration …
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addNodeView() {
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return ({ editor, node, getPos, HTMLAttributes, decorations, extension }) => {
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const dom = document.createElement('div')
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dom.innerHTML = 'Hello, I’m a node view!'
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return {
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dom,
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}
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}
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},
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})
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```
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Got it? Let’s see it in action. Feel free to copy the below example to get started.
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https://embed.tiptap.dev/preview/GuideNodeViews/JavaScript
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That node view even interacts with the editor. Time to see how that is wired up.
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## Access node attributes
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The editor passes a few helpful things to your render function. One of them is the `node` prop. This one enables you to access node attributes in your node view. Let’s say you have [added an attribute](/guide/custom-extensions#attributes) named `count` to your node extension. You could access the attribute like this:
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```js
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addNodeView() {
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return ({ node }) => {
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console.log(node.attrs.count)
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// …
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}
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}
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```
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## Update node attributes
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You can even update node attributes from your node view, with the help of the `getPos` prop passed to your render function. Dispatch a new transaction with an object of the updated attributes:
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```js
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addNodeView() {
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return ({ editor, node, getPos }) => {
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const { view } = editor
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// Create a button …
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const button = document.createElement('button')
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button.innerHTML = `This button has been clicked ${node.attrs.count} times.`
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// … and when it’s clicked …
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button.addEventListener('click', () => {
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if (typeof getPos === 'function') {
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// … dispatch a transaction, for the current position in the document …
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view.dispatch(view.state.tr.setNodeMarkup(getPos(), undefined, {
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count: node.attrs.count + 1,
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}))
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// … and set the focus back to the editor.
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editor.commands.focus()
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}
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})
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// …
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}
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}
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```
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Does seem a little bit too complex? Consider using [React](/guide/node-views/react) or [Vue](/guide/node-views/vue), if you have one of those in your project anyway. It get’s a little bit easier with those two.
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## Adding a content editable
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To add editable content to your node view, you need to pass a `contentDOM`, a container element for the content. Here is a simplified version of a node view with non-editable and editable text content:
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```js
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// Create a container for the node view
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const dom = document.createElement('div')
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// Give other elements containing text `contentEditable = false`
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const label = document.createElement('span')
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label.innerHTML = 'Node view'
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label.contentEditable = false
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// Create a container for the content
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const content = document.createElement('div')
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// Append all elements to the node view container
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dom.append(label, content)
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return {
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// Pass the node view container …
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dom,
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// … and the content container:
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contentDOM: content,
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}
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```
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Got it? You’re free to do anything you like, as long as you return a container for the node view and another one for the content. Here is the above example in action:
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https://embed.tiptap.dev/preview/GuideNodeViews/JavaScriptContent
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Keep in mind that this content is rendered by Tiptap. That means you need to tell what kind of content is allowed, for example with `content: 'inline*'` in your node extension (that’s what we use in the above example).
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