Skip to content

allow use of <button> elements with `data-md-button="{style}" #72

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
Jul 17, 2023
Merged

allow use of <button> elements with `data-md-button="{style}" #72

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
46 changes: 46 additions & 0 deletions src/index.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -84,6 +84,39 @@ type Style = {
}

const styles = new WeakMap<Element, Style>()
const manualStyles = {
'header-1': {prefix: '# '},
'header-2': {prefix: '## '},
'header-3': {prefix: '### '},
'header-4': {prefix: '#### '},
'header-5': {prefix: '##### '},
'header-6': {prefix: '###### '},
bold: {prefix: '**', suffix: '**', trimFirst: true},
italic: {prefix: '_', suffix: '_', trimFirst: true},
quote: {prefix: '> ', multiline: true, surroundWithNewlines: true},
code: {
prefix: '`',
suffix: '`',
blockPrefix: '```',
blockSuffix: '```'
},
link: {prefix: '[', suffix: '](url)', replaceNext: 'url', scanFor: 'https?://'},
image: {prefix: '![', suffix: '](url)', replaceNext: 'url', scanFor: 'https?://'},
'unordered-list': {
prefix: '- ',
multiline: true,
unorderedList: true
},
'ordered-list': {
prefix: '1. ',
multiline: true,
orderedList: true
},
'task-list': {prefix: '- [ ] ', multiline: true, surroundWithNewlines: true},
mention: {prefix: '@', prefixSpace: true},
ref: {prefix: '#', prefixSpace: true},
strikethrough: {prefix: '~~', suffix: '~~', trimFirst: true}
} as const

class MarkdownButtonElement extends HTMLElement {
constructor() {
Expand Down Expand Up @@ -275,6 +308,17 @@ if (!window.customElements.get('md-strikethrough')) {
window.customElements.define('md-strikethrough', MarkdownStrikethroughButtonElement)
}

function applyFromToolbar(event: Event) {
const {target, currentTarget} = event
if (!(target instanceof HTMLElement)) return
const mdButton = target.closest('[data-md-button]')
if (!mdButton || mdButton.closest('markdown-toolbar') !== currentTarget) return
const mdButtonStyle = target.getAttribute('data-md-button')
const style = manualStyles[mdButtonStyle as keyof typeof manualStyles]
if (!style) return
applyStyle(target, style)
}

class MarkdownToolbarElement extends HTMLElement {
connectedCallback(): void {
if (!this.hasAttribute('role')) {
Expand All @@ -283,6 +327,8 @@ class MarkdownToolbarElement extends HTMLElement {
this.addEventListener('keydown', focusKeydown)
this.setAttribute('tabindex', '0')
this.addEventListener('focus', onToolbarFocus, {once: true})
this.addEventListener('keydown', keydown(applyFromToolbar))
this.addEventListener('click', applyFromToolbar)
}

disconnectedCallback(): void {
Expand Down
11 changes: 11 additions & 0 deletions test/test.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -869,6 +869,17 @@ describe('markdown-toolbar-element', function () {

assert.equal('## |title|', visualValue())
})

it('can be triggered from a data-md-button', function () {
const headerElement = document.createElement('button')
headerElement.setAttribute('data-md-button', 'header-6')
const toolbar = document.querySelector('markdown-toolbar')
toolbar.appendChild(headerElement)
setVisualValue('|title|')
headerElement.click()

assert.equal('###### |title|', visualValue())
})
})
})
})