blob: 4285e04bbab29c6f8f861dcb2548399f91ddfb6a (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
|
import { isString } from 'lodash';
export const getFullSource = (element) => {
const commentNode = element.ownerDocument.body.lastChild;
if (commentNode?.nodeName === '#comment' && isString(commentNode.textContent)) {
return commentNode.textContent.split('\n');
}
return [];
};
const getRangeFromSourcePos = (sourcePos) => {
const [start, end] = sourcePos.split('-');
const [startRow, startCol] = start.split(':');
const [endRow, endCol] = end.split(':');
return {
start: { row: Number(startRow) - 1, col: Number(startCol) - 1 },
end: { row: Number(endRow) - 1, col: Number(endCol) - 1 },
};
};
export const getMarkdownSource = (element) => {
if (!element.dataset.sourcepos) return undefined;
const source = getFullSource(element);
const range = getRangeFromSourcePos(element.dataset.sourcepos);
let elSource = '';
for (let i = range.start.row; i <= range.end.row; i += 1) {
if (i === range.start.row) {
elSource += source[i]?.substring(range.start.col);
} else if (i === range.end.row) {
elSource += `\n${source[i]?.substring(0, range.start.col)}`;
} else {
elSource += `\n${source[i]}` || '';
}
}
return elSource.trim();
};
|