diff options
| -rw-r--r-- | background_scripts/completion.coffee | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/background_scripts/completion.coffee b/background_scripts/completion.coffee index c210878b..0675d13f 100644 --- a/background_scripts/completion.coffee +++ b/background_scripts/completion.coffee @@ -515,6 +515,19 @@ class SearchEngineCompleter onComplete suggestions, filter: filter continuation: (suggestions, onComplete) => + + # We can skip querying the completion engine if any new suggestions we propose will not score highly + # enough to make the list anyway. We construct a suggestion which perfectly matches the query, and + # ask the relevancy function what score it would get. If that score is less than the score of the + # lowest-ranked suggestion from another completer (and there are already 10 suggestions), then + # there's no need to query the completion engine. + perfectRelevancyScore = @computeRelevancy new Suggestion + queryTerms: queryTerms, title: queryTerms.join(" "), relevancyData: factor + + if 10 <= suggestions.length and perfectRelevancyScore < suggestions[suggestions.length-1].relevancy + console.log "skip (cannot make the grade):", suggestions.length, query if SearchEngineCompleter.debug + return onComplete [] + CompletionSearch.complete searchUrl, queryTerms, (suggestions = []) => console.log "fetched suggestions:", suggestions.length, query if SearchEngineCompleter.debug onComplete suggestions.map mkSuggestion |