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Merge pull request #678 from TriliumNext/feature/update_search

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Make exact matches rise higher up in search
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Elian Doran 2024-11-26 22:52:13 +02:00 committed by GitHub
commit 19e5f7364f
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1 changed files with 24 additions and 15 deletions
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39
src/services/search/search_result.ts
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@ -27,43 +27,52 @@ class SearchResult {
this.score = 0;
const note = becca.notes[this.noteId];
const normalizedQuery = fulltextQuery.toLowerCase();
const normalizedTitle = note.title.toLowerCase();
// Note ID exact match, much higher score
if (note.noteId.toLowerCase() === fulltextQuery) {
this.score += 100;
this.score += 1000;
}
if (note.title.toLowerCase() === fulltextQuery) {
this.score += 100; // high reward for exact match #3470
// Title matching scores, make sure to always win
if (normalizedTitle === normalizedQuery) {
this.score += 2000; // Increased from 1000 to ensure exact matches always win
}
else if (normalizedTitle.startsWith(normalizedQuery)) {
this.score += 500; // Increased to give more weight to prefix matches
}
else if (normalizedTitle.includes(` ${normalizedQuery} `) ||
normalizedTitle.startsWith(`${normalizedQuery} `) ||
normalizedTitle.endsWith(` ${normalizedQuery}`)) {
this.score += 300; // Increased to better distinguish word matches
}
// notes with matches on its own note title as opposed to ancestors or descendants
this.addScoreForStrings(tokens, note.title, 1.5);
// matches in attributes don't get extra points and thus are implicitly valued less than note path matches
this.addScoreForStrings(tokens, this.notePathTitle, 1);
// Add scores for partial matches with adjusted weights
this.addScoreForStrings(tokens, note.title, 2.0); // Increased to give more weight to title matches
this.addScoreForStrings(tokens, this.notePathTitle, 0.3); // Reduced to further de-emphasize path matches
if (note.isInHiddenSubtree()) {
this.score = this.score / 2;
this.score = this.score / 3; // Increased penalty for hidden notes
}
}
addScoreForStrings(tokens: string[], str: string, factor: number) {
const chunks = str.toLowerCase().split(" ");
this.score = 0;
let tokenScore = 0;
for (const chunk of chunks) {
for (const token of tokens) {
if (chunk === token) {
this.score += 4 * token.length * factor;
tokenScore += 4 * token.length * factor;
} else if (chunk.startsWith(token)) {
this.score += 2 * token.length * factor;
tokenScore += 2 * token.length * factor;
} else if (chunk.includes(token)) {
this.score += token.length * factor;
tokenScore += token.length * factor;
}
}
}
this.score += tokenScore;
}
}