fix: localization master callback + various fixes

server/jobs/render-page.js

@@ -29,16 +29,25 @@ module.exports = async (job) => {
 
     $('h1,h2,h3,h4,h5,h6').each((idx, el) => {
       const depth = _.toSafeInteger(el.name.substring(1)) - (isStrict ? 1 : 2)
+      let leafPathError = false
+
       const leafPath = _.reduce(_.times(depth), (curPath, curIdx) => {
         if (_.has(toc, curPath)) {
           const lastLeafIdx = _.get(toc, curPath).length - 1
-          curPath = `${curPath}[${lastLeafIdx}].children`
+          if (lastLeafIdx >= 0) {
+            curPath = `${curPath}[${lastLeafIdx}].children`
+          } else {
+            leafPathError = true
+          }
         }
         return curPath
       }, 'root')
 
+      if (leafPathError) { return }
+
       const leafSlug = $('.toc-anchor', el).first().attr('href')
       $('.toc-anchor', el).remove()
+
       _.get(toc, leafPath).push({
         title: _.trim($(el).text()),
         anchor: leafSlug,