Extensions
hashtag
A hashtag, as a node rather than styled text.
The same argument as `mention`: an atom cannot be half-deleted into `#mat`, and a document that stores the tag as an attribute can be asked for its tags without anyone parsing prose. Typing `#word` and a space makes one; `#` inside a word — `a#b`, a colour, a URL fragment — is left alone.
1 · Install
One package for every extension · there is no @matrajs/hashtag to install.
npm i @matrajs/core2 · Add it to the editor
Import it and put it in the extensions array. That array is the whole feature list:
what is not in it is not in your bundle and not in the document's schema.
import { createEditor, document, paragraph, text, hashtag } from '@matrajs/core'
const editor = createEditor({
extensions: [document, paragraph, text, hashtag({ … })],
element: document.querySelector('#editor'),
})3 · Use it
Run a command, and give focus back · a click on a button takes it away.
editor.commands.insertHashtag('…')
editor.focus()Wired to a button, with the pressed state kept in step:
const button = document.querySelector('#insertHashtag')
button.addEventListener('click', () => {
editor.commands.insertHashtag('…')
editor.focus()
})
const read = () => button.setAttribute('aria-pressed', String(editor.isActive('hashtag')))
editor.on('selectionChange', read)
editor.on('change', read)
read()
Both events, not one. selectionChange covers the caret moving into
it;
change covers the command that changed it without moving anything. A
toolbar wired to only the first goes stale the moment someone uses the keyboard.
Options
hashtag is a function · call it with an options object.
| Option | Type | What it does |
|---|---|---|
name | string | Node name, if you need two kinds of tag in one editor. |
render | (tag: string) => string | What appears in the document. Defaults to `#tag`. |
Commands
Every one returns true if it changed the document and false
if it could not · a command that does not apply where the caret is says so rather than
throwing.
| Command | Call |
|---|---|
insertHashtag |
editor.commands.insertHashtag(tag: string)
|
In the document
| Attribute | Default |
|---|---|
tag | none |
-
Reads
span[data-hashtag]when HTML is pasted or loaded. -
Writes
spaningetHTML()andrenderToHTML().