diff options
Diffstat (limited to 'src/templates/assets/javascripts/integrations/search/query/_')
| -rw-r--r-- | src/templates/assets/javascripts/integrations/search/query/_/index.ts | 172 |
1 files changed, 0 insertions, 172 deletions
diff --git a/src/templates/assets/javascripts/integrations/search/query/_/index.ts b/src/templates/assets/javascripts/integrations/search/query/_/index.ts deleted file mode 100644 index 14482e43..00000000 --- a/src/templates/assets/javascripts/integrations/search/query/_/index.ts +++ /dev/null @@ -1,172 +0,0 @@ -/* - * Copyright (c) 2016-2023 Martin Donath <martin.donath@squidfunk.com> - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to - * deal in the Software without restriction, including without limitation the - * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or - * sell copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS - * IN THE SOFTWARE. - */ - -import { split } from "../../internal" -import { transform } from "../transform" - -/* ---------------------------------------------------------------------------- - * Types - * ------------------------------------------------------------------------- */ - -/** - * Search query clause - */ -export interface SearchQueryClause { - presence: lunr.Query.presence /* Clause presence */ - term: string /* Clause term */ -} - -/* ------------------------------------------------------------------------- */ - -/** - * Search query terms - */ -export type SearchQueryTerms = Record<string, boolean> - -/* ---------------------------------------------------------------------------- - * Functions - * ------------------------------------------------------------------------- */ - -/** - * Transform search query - * - * This function lexes the given search query and applies the transformation - * function to each term, preserving markup like `+` and `-` modifiers. - * - * @param query - Search query - * - * @returns Search query - */ -export function transformSearchQuery( - query: string -): string { - - /* Split query terms with tokenizer */ - return transform(query, part => { - const terms: string[] = [] - - /* Initialize lexer and analyze part */ - const lexer = new lunr.QueryLexer(part) - lexer.run() - - /* Extract and tokenize term from lexeme */ - for (const { type, str: term, start, end } of lexer.lexemes) - switch (type) { - - /* Hack: remove colon - see https://bit.ly/3wD3T3I */ - case "FIELD": - if (!["title", "text", "tags"].includes(term)) - part = [ - part.slice(0, end), - " ", - part.slice(end + 1) - ].join("") - break - - /* Tokenize term */ - case "TERM": - split(term, lunr.tokenizer.separator, (...range) => { - terms.push([ - part.slice(0, start), - term.slice(...range), - part.slice(end) - ].join("")) - }) - } - - /* Return terms */ - return terms - }) -} - -/* ------------------------------------------------------------------------- */ - -/** - * Parse a search query for analysis - * - * Lunr.js itself has a bug where it doesn't detect or remove wildcards for - * query clauses, so we must do this here. - * - * @see https://bit.ly/3DpTGtz - GitHub issue - * - * @param value - Query value - * - * @returns Search query clauses - */ -export function parseSearchQuery( - value: string -): SearchQueryClause[] { - const query = new lunr.Query(["title", "text", "tags"]) - const parser = new lunr.QueryParser(value, query) - - /* Parse Search query */ - parser.parse() - for (const clause of query.clauses) { - clause.usePipeline = true - - /* Handle leading wildcard */ - if (clause.term.startsWith("*")) { - clause.wildcard = lunr.Query.wildcard.LEADING - clause.term = clause.term.slice(1) - } - - /* Handle trailing wildcard */ - if (clause.term.endsWith("*")) { - clause.wildcard = lunr.Query.wildcard.TRAILING - clause.term = clause.term.slice(0, -1) - } - } - - /* Return query clauses */ - return query.clauses -} - -/** - * Analyze the search query clauses in regard to the search terms found - * - * @param query - Search query clauses - * @param terms - Search terms - * - * @returns Search query terms - */ -export function getSearchQueryTerms( - query: SearchQueryClause[], terms: string[] -): SearchQueryTerms { - const clauses = new Set<SearchQueryClause>(query) - - /* Match query clauses against terms */ - const result: SearchQueryTerms = {} - for (let t = 0; t < terms.length; t++) - for (const clause of clauses) - if (terms[t].startsWith(clause.term)) { - result[clause.term] = true - clauses.delete(clause) - } - - /* Annotate unmatched non-stopword query clauses */ - for (const clause of clauses) - if (lunr.stopWordFilter?.(clause.term)) - result[clause.term] = false - - /* Return query terms */ - return result -} |
