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import { Node, InputRule } from '@tiptap/core';
import { VueNodeViewRenderer } from '@tiptap/vue-2';
import ReferenceWrapper from '../components/wrappers/reference.vue';
import { PARSE_HTML_PRIORITY_HIGHEST } from '../constants';
const getAnchor = (element) => {
if (element.nodeName === 'A') return element;
return element.querySelector('a');
};
const findReference = (editor, reference) => {
let position;
editor.view.state.doc.descendants((descendant, pos) => {
if (descendant.isText && descendant.text.includes(reference)) {
position = pos + descendant.text.indexOf(reference);
return false;
}
return true;
});
return position;
};
export default Node.create({
name: 'reference',
inline: true,
group: 'inline',
atom: true,
addOptions() {
return {
assetResolver: null,
};
},
addAttributes() {
return {
className: {
default: null,
parseHTML: (element) => getAnchor(element).className,
},
referenceType: {
default: null,
parseHTML: (element) => getAnchor(element).dataset.referenceType,
},
originalText: {
default: null,
parseHTML: (element) => getAnchor(element).dataset.original,
},
href: {
default: null,
parseHTML: (element) => getAnchor(element).getAttribute('href'),
},
text: {
default: null,
parseHTML: (element) => getAnchor(element).textContent,
},
};
},
addCommands() {
return {
insertQuickAction: () => ({ commands }) => commands.insertContent('<p>/</p>'),
};
},
addInputRules() {
const { editor } = this;
const { assetResolver } = this.options;
const referenceInputRegex = /(?:^|\s)([\w/]*([!&#])\d+(\+?s?))(?:\s|\n)/m;
const referenceTypes = {
'#': 'issue',
'!': 'merge_request',
'&': 'epic',
};
return [
new InputRule({
find: referenceInputRegex,
handler: async ({ match }) => {
const [, referenceId, referenceSymbol, expansionType] = match;
const referenceType = referenceTypes[referenceSymbol];
const {
href,
text,
expandedText,
fullyExpandedText,
} = await assetResolver.resolveReference(referenceId);
if (!text) return;
let referenceText = text;
if (expansionType === '+') referenceText = expandedText;
if (expansionType === '+s') referenceText = fullyExpandedText;
const position = findReference(editor, referenceId);
if (!position) return;
editor.view.dispatch(
editor.state.tr.replaceWith(position, position + referenceId.length, [
this.type.create({
referenceType,
originalText: referenceId,
href,
text: referenceText,
}),
]),
);
},
}),
];
},
parseHTML() {
return [
{
tag: 'a.gfm:not([data-link=true])',
priority: PARSE_HTML_PRIORITY_HIGHEST,
},
];
},
renderHTML({ node }) {
return [
'gl-reference',
{
'data-reference-type': node.attrs.referenceType,
'data-original-text': node.attrs.originalText,
href: node.attrs.href,
text: node.attrs.text,
},
node.attrs.text,
];
},
addNodeView() {
return new VueNodeViewRenderer(ReferenceWrapper);
},
});
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