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@@ -1,5 +1,6 @@
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const _ = require('lodash')
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const cheerio = require('cheerio')
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+const uslug = require('uslug')
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/* global WIKI */
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@@ -142,6 +143,43 @@ module.exports = {
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}
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}
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+ // --------------------------------
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+ // Add header handles
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+ // --------------------------------
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+
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+ let headers = []
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+ $('h1,h2,h3,h4,h5,h6').each((i, elm) => {
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+ if ($(elm).attr('id')) {
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+ return
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+ }
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+ let headerSlug = uslug($(elm).text())
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+
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+ // -> Cannot start with a number (CSS selector limitation)
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+ if (headerSlug.match(/^\d/)) {
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+ headerSlug = `h-${headerSlug}`
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+ }
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+
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+ // -> Make sure header is unique
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+ if (headers.indexOf(headerSlug) >= 0) {
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+ let isUnique = false
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+ let hIdx = 1
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+ while (!isUnique) {
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+ const headerSlugTry = `${headerSlug}-${hIdx}`
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+ if (headers.indexOf(headerSlugTry) < 0) {
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+ isUnique = true
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+ headerSlug = headerSlugTry
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+ }
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+ hIdx++
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+ }
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+ }
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+
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+ // -> Add anchor
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+ $(elm).attr('id', headerSlug).addClass('toc-header')
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+ $(elm).prepend(`<a class="toc-anchor" href="#${headerSlug}">¶</a> `)
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+
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+ headers.push(headerSlug)
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+ })
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+
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return $.html('body').replace('<body>', '').replace('</body>', '')
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}
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}
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NGPixel