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/*
* @copyright Copyright (c) 2019 Julius Härtl <jus@bitgrid.net>
*
* @author Julius Härtl <jus@bitgrid.net>
*
* @license GNU AGPL version 3 or any later version
*
* 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 <http://www.gnu.org/licenses/>.
*
*/
import { Editor, Text } from 'tiptap'
import {
HardBreak,
Heading,
Code,
BulletList,
OrderedList,
Blockquote,
CodeBlock,
CodeBlockHighlight,
HorizontalRule,
History,
Placeholder,
} from 'tiptap-extensions'
import { Strong, Italic, Strike, Link } from './marks'
import { Image, PlainTextDocument, ListItem } from './nodes'
import MarkdownIt from 'markdown-it'
import taskLists from 'markdown-it-task-lists'
import { translate as t } from '@nextcloud/l10n'
import 'proxy-polyfill'
import { MarkdownSerializer, defaultMarkdownSerializer } from 'prosemirror-markdown'
const loadSyntaxHighlight = async(language) => {
const languages = [language]
const modules = {}
for (let i = 0; i < languages.length; i++) {
try {
const lang = await import(/* webpackChunkName: "highlight/[request]" */'highlight.js/lib/languages/' + languages[i])
modules[languages[i]] = lang.default
} catch (e) {
// No matching highlighing found, fallback to none
return undefined
}
}
if (Object.keys(modules).length === 0 && modules.constructor === Object) {
return undefined
}
return { languages: modules }
}
const createEditor = ({ content, onInit, onUpdate, extensions, enableRichEditing, languages }) => {
let richEditingExtensions = []
if (enableRichEditing) {
richEditingExtensions = [
new Heading(),
new Code(),
new Strong(),
new Italic(),
new Strike(),
new HardBreak(),
new HorizontalRule(),
new BulletList(),
new OrderedList(),
new Blockquote(),
new CodeBlock(),
new ListItem(),
new Link({
openOnClick: true,
}),
new Image(),
new Placeholder({
emptyNodeClass: 'is-empty',
emptyNodeText: t('text', 'Add notes, lists or links …'),
showOnlyWhenEditable: true,
}),
]
} else {
richEditingExtensions = [
new PlainTextDocument(),
new Text(),
new CodeBlockHighlight({
...languages,
}),
]
}
extensions = extensions || []
return new Editor({
content,
onInit,
onUpdate,
extensions: [
...richEditingExtensions,
new History(),
].concat(extensions),
useBuiltInExtensions: enableRichEditing,
})
}
const markdownit = MarkdownIt('commonmark', { html: false, breaks: false })
.enable('strikethrough')
.use(taskLists, { enable: true, labelAfter: true })
const SerializeException = function(message) {
this.message = message
}
const createMarkdownSerializer = (_nodes, _marks) => {
const nodes = Object
.entries(_nodes)
.filter(([, node]) => node.toMarkdown)
.reduce((items, [name, { toMarkdown }]) => ({
...items,
[name]: toMarkdown,
}), {})
const marks = Object
.entries(_marks)
.filter(([, node]) => node.toMarkdown)
.reduce((items, [name, { toMarkdown }]) => ({
...items,
[name]: toMarkdown,
}), {})
return {
serializer: new MarkdownSerializer(
{ ...defaultMarkdownSerializer.nodes, ...nodes },
{ ...defaultMarkdownSerializer.marks, ...marks }
),
serialize(content, options) {
return this.serializer.serialize(content, { ...options, tightLists: true })
.split('\\[').join('[')
.split('\\]').join(']')
},
}
}
const serializePlainText = (tiptap) => {
const doc = tiptap.getJSON()
if (doc.content.length !== 1 || typeof doc.content[0].content === 'undefined' || doc.content[0].content.length !== 1) {
if (doc.content[0].type === 'code_block' && typeof doc.content[0].content === 'undefined') {
return ''
}
throw new SerializeException('Failed to serialize document to plain text')
}
const codeBlock = doc.content[0].content[0]
if (codeBlock.type !== 'text') {
throw new SerializeException('Failed to serialize document to plain text')
}
return codeBlock.text
}
export default createEditor
export { markdownit, createEditor, createMarkdownSerializer, serializePlainText, loadSyntaxHighlight }
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