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Add max level option

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This commit is contained in:
qingwei.li 2016-11-27 13:09:18 +08:00
commit eba21726d7
11 changed files with 201 additions and 17 deletions
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10
src/gen-toc.js
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@ -1,7 +1,7 @@
/**
* @link from https://github.com/killercup/grock/blob/5280ae63e16c5739e9233d9009bc235ed7d79a50/styles/solarized/assets/js/behavior.coffee#L54-L81
*/
const tocToTree = function (toc) {
const tocToTree = function (toc, maxLevel) {
const headlines = []
const last = {}
@ -9,6 +9,7 @@ const tocToTree = function (toc) {
const level = headline.level || 1
const len = level - 1
if (level > maxLevel) return
if (last[len]) {
last[len].children = last[len].children || []
last[len].children.push(headline)
@ -34,8 +35,7 @@ const buildHeadlinesTree = function (tree, tpl = '') {
return tpl
}
export default function (toc) {
var tree = tocToTree(toc)
var result = buildHeadlinesTree(tree, '<ul>')
return result
export default function (toc, maxLevel) {
var tree = tocToTree(toc, maxLevel)
return buildHeadlinesTree(tree, '<ul>')
}