27 lines
941 B
JavaScript
27 lines
941 B
JavaScript
/*
|
|
* https://github.com/digitalmoksha/markdown-it-inject-linenumbers/blob/master/index.js
|
|
*/
|
|
export default function injectLinenumbersPlugin (md) {
|
|
//
|
|
// Inject line numbers for sync scroll. Notes:
|
|
//
|
|
// - We track only headings and paragraphs, at any level.
|
|
// - TODO Footnotes content causes jumps. Level limit filters it automatically.
|
|
function injectLineNumbers (tokens, idx, options, env, slf) {
|
|
var line
|
|
// if (tokens[idx].map && tokens[idx].level === 0) {
|
|
if (tokens[idx].map) {
|
|
line = tokens[idx].map[0]
|
|
tokens[idx].attrJoin('class', 'source-line')
|
|
tokens[idx].attrSet('data-source-line', String(line))
|
|
}
|
|
return slf.renderToken(tokens, idx, options, env, slf)
|
|
}
|
|
|
|
md.renderer.rules.paragraph_open = injectLineNumbers
|
|
md.renderer.rules.heading_open = injectLineNumbers
|
|
md.renderer.rules.list_item_open = injectLineNumbers
|
|
md.renderer.rules.table_open = injectLineNumbers
|
|
}
|
|
|