Improve relevance scoring for titles and object-name matches in search results

sphinx/themes/basic/static/searchtools.js

@@ -328,10 +328,14 @@ const Search = {
  for (const [title, foundTitles] of Object.entries(allTitles)) {
  if (title.toLowerCase().trim().includes(queryLower) && (queryLower.length >= title.length/2)) {
  for (const [file, id] of foundTitles) {
- let score = Math.round(100 * queryLower.length / title.length)
+ let isMainTitle = titles[file] === title
+ // score these a little bit above document matches, with more of a boost
+ // for main document titles
+ let baseScore = Scorer.title + (isMainTitle ? 2 : 1)
+ let score = Math.round(baseScore * queryLower.length / title.length)
  normalResults.push([
  docNames[file],
- titles[file] !== title ? `${titles[file]} > ${title}` : title,
+ isMainTitle ? title : `${titles[file]} > ${title}`,
  id !== null ? "#" + id : "",
  null,
  score,

tests/js/searchtools.js

@@ -100,7 +100,7 @@ describe('Basic html theme search', function() {
  'Main Page',
  '#main-page',
  null,
- 100,
+ 17,
  'index.rst'
  ]
  ];