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import { HIGHER_PARSE_RULE_PRIORITY } from '../constants';
// Transforms generated HTML back to GFM for Banzai::Filter::TaskListFilter
export default () => ({
name: 'task_list_item',
schema: {
attrs: {
state: {
default: null,
},
},
defining: true,
draggable: false,
content: 'paragraph block*',
parseDOM: [
{
priority: HIGHER_PARSE_RULE_PRIORITY,
tag: 'li.task-list-item',
getAttrs: (el) => {
const checkbox = el.querySelector('input[type=checkbox].task-list-item-checkbox');
if (checkbox?.matches('[data-inapplicable]')) {
return { state: 'inapplicable' };
} else if (checkbox?.checked) {
return { state: 'done' };
}
return {};
},
},
],
toDOM(node) {
return [
'li',
{
class: () => {
if (node.attrs.state === 'inapplicable') {
return 'task-list-item inapplicable';
}
return 'task-list-item';
},
},
[
'input',
{
type: 'checkbox',
class: 'task-list-item-checkbox',
checked: node.attrs.state === 'done',
'data-inapplicable': node.attrs.state === 'inapplicable',
},
],
['div', { class: 'todo-content' }, 0],
];
},
},
toMarkdown(state, node) {
switch (node.attrs.state) {
case 'done':
state.write('[x] ');
break;
case 'inapplicable':
state.write('[~] ');
break;
default:
state.write('[ ] ');
break;
}
state.renderContent(node);
},
});
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