docsify
Version:
A magical documentation generator.
27 lines (23 loc) • 642 B
JavaScript
/**
* gen toc tree
* @link https://github.com/killercup/grock/blob/5280ae63e16c5739e9233d9009bc235ed7d79a50/styles/solarized/assets/js/behavior.coffee#L54-L81
* @param {Array} toc
* @param {Number} maxLevel
* @return {Array}
*/
export function genTree (toc, maxLevel) {
const headlines = []
const last = {}
toc.forEach(headline => {
const level = headline.level || 1
const len = level - 1
if (level > maxLevel) return
if (last[len]) {
last[len].children = (last[len].children || []).concat(headline)
} else {
headlines.push(headline)
}
last[level] = headline
})
return headlines
}