index.tsx
TLDR
This file defines a React component called H1
that represents a heading. It includes a display component and an input component for rendering the heading and capturing user input, respectively.
Classes
H1
Represents a heading component. It has the following properties:
-
name
: The name of the component. -
displayName
: The display name of the component. -
slashCommand
: The slash command associated with the component. -
prefix
: The prefix applied to the heading text. -
runSlashCommand
: A function to execute the slash command associated with the component. -
editable
: A boolean indicating whether the heading is editable. -
Display
: A component responsible for rendering the heading. -
Input
: A component responsible for capturing user input for the heading.
// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
// See LICENSE.txt for license information.
import React, {useRef, useEffect} from 'react'
import {marked} from 'marked'
import {BlockInputProps, ContentType} from '../types'
import './h1.scss'
const H1: ContentType = {
name: 'h1',
displayName: 'Title',
slashCommand: '/title',
prefix: '# ',
runSlashCommand: (): void => {},
editable: true,
Display: (props: BlockInputProps) => {
const renderer = new marked.Renderer()
const html = marked('# ' + props.value, {renderer, breaks: true})
return (
<div
dangerouslySetInnerHTML={{__html: html.trim()}}
/>
)
},
Input: (props: BlockInputProps) => {
const ref = useRef<HTMLInputElement|null>(null)
useEffect(() => {
ref.current?.focus()
}, [])
return (
<input
ref={ref}
className='H1'
data-testid='h1'
onChange={(e) => props.onChange(e.currentTarget.value)}
onKeyDown={(e) => {
if (props.value === '' && e.key === 'Backspace') {
props.onCancel()
}
if (e.key === 'Enter') {
props.onSave(props.value)
}
}}
value={props.value}
/>
)
},
}
H1.runSlashCommand = (changeType: (contentType: ContentType) => void, changeValue: (value: string) => void, ...args: string[]): void => {
changeType(H1)
changeValue(args.join(' '))
}
export default H1