{"version":3,"file":"config.cjs","sources":["../../../src/core/config.ts"],"sourcesContent":["import type {\n //\n FuzzyConfig,\n FuzzyFeature,\n MatchTypeScores,\n ScoringModifiers,\n} from \"./types.js\";\n\n/**\n * Default match type scores\n * These values determine the base score for each match type\n * Updated to provide more granular scoring with better differentiation\n */\nexport const DEFAULT_MATCH_TYPE_SCORES: MatchTypeScores = {\n exact: 1.0, // Perfect matches get full score\n prefix: 0.97, // High base for prefixes (will be scaled by length ratio)\n substring: 0.87, // Good base for substrings (will be adjusted by position/coverage)\n phonetic: 0.4, // Moderate - phonetic is a weaker signal\n fuzzy: 0.7, // Good base for fuzzy matches (will be scaled by edit distance)\n fuzzyMin: 0.3, // Lower minimum to allow more fuzzy matches through\n synonym: 0.45, // Moderate for synonyms (will be scaled by length)\n compound: 0.82, // Strong for compound matches (will be scaled by length)\n ngram: 0.28, // Very low - n-grams are weakest signal, avoid gibberish\n};\n\n/**\n * Default scoring modifiers\n * These values control additional scoring behavior\n */\nexport const DEFAULT_SCORING_MODIFIERS: ScoringModifiers = {\n baseScore: 0.0, // Don't add base score - let match types determine score\n shortWordBoost: 0.0, // Disable boost - was inflating weak matches\n shortWordMaxDiff: 3,\n prefixLengthPenalty: false,\n};\n\n/**\n * Default configuration for FuzzyFindJS\n * Provides sensible defaults that work out of the box\n */\nexport const DEFAULT_CONFIG: FuzzyConfig = {\n languages: [\"english\"],\n features: [\"phonetic\", \"compound\", \"synonyms\", \"keyboard-neighbors\", \"partial-words\", \"missing-letters\", \"extra-letters\", \"transpositions\"],\n performance: \"balanced\",\n maxResults: 10,\n minQueryLength: 1, // Allow short words (1-2 chars) for better fuzzy matching\n fuzzyThreshold: 0.33, // Balanced threshold - filters gibberish while keeping good matches\n maxEditDistance: 2,\n ngramSize: 3,\n enableAlphanumericSegmentation: true, // Enabled by default - opt-out for performance if needed\n alphanumericAlphaWeight: 0.7,\n alphanumericNumericWeight: 0.3,\n alphanumericNumericEditDistanceMultiplier: 1.5,\n matchTypeScores: DEFAULT_MATCH_TYPE_SCORES,\n scoringModifiers: DEFAULT_SCORING_MODIFIERS,\n};\n\n/**\n * Performance-optimized configurations\n */\nexport const PERFORMANCE_CONFIGS: Record> = {\n fast: {\n performance: \"fast\",\n features: [\"partial-words\", \"compound\", \"missing-letters\", \"extra-letters\", \"transpositions\"],\n maxEditDistance: 3,\n fuzzyThreshold: 0.33, // Lower threshold for better recall\n maxResults: 3,\n enableAlphanumericSegmentation: true,\n matchTypeScores: {\n exact: 1.0,\n prefix: 0.93, // High base, will be scaled by length\n substring: 0.77, // Moderate base, will be scaled by position/coverage\n fuzzy: 0.65,\n ngram: 0.29,\n fuzzyMin: 0.25, // Lower minimum for better recall\n },\n },\n balanced: {\n performance: \"balanced\",\n features: [\"phonetic\", \"compound\", \"keyboard-neighbors\", \"partial-words\", \"missing-letters\", \"extra-letters\", \"transpositions\"],\n maxEditDistance: 3,\n fuzzyThreshold: 0.33, // Slightly higher to filter gibberish n-gram matches\n maxResults: 10,\n enableAlphanumericSegmentation: true,\n matchTypeScores: {\n ngram: 0.27, // Even lower for balanced mode to avoid gibberish\n },\n },\n comprehensive: {\n performance: \"comprehensive\",\n features: [\"phonetic\", \"compound\", \"synonyms\", \"keyboard-neighbors\", \"partial-words\", \"missing-letters\", \"extra-letters\", \"transpositions\"],\n maxEditDistance: 3,\n fuzzyThreshold: 0.27, // Very low threshold for maximum recall\n maxResults: 20,\n enableAlphanumericSegmentation: true,\n matchTypeScores: {\n exact: 1.0,\n prefix: 0.93, // High base (will be scaled down by length ratio)\n substring: 0.8, // Good base (will be adjusted by position/coverage)\n fuzzy: 0.65,\n fuzzyMin: 0.15, // Very low for maximum recall\n phonetic: 0.45, // Moderate for comprehensive matching\n synonym: 0.5,\n compound: 0.75,\n ngram: 0.35,\n },\n },\n};\n\n/**\n * Language-specific feature recommendations\n */\nexport const LANGUAGE_FEATURES: Record = {\n german: [\n //\n \"phonetic\",\n \"compound\",\n \"synonyms\",\n \"keyboard-neighbors\",\n \"partial-words\",\n \"missing-letters\",\n \"extra-letters\",\n ],\n english: [\n //\n \"phonetic\",\n \"synonyms\",\n \"keyboard-neighbors\",\n \"partial-words\",\n \"missing-letters\",\n \"transpositions\",\n ],\n spanish: [\n //\n \"phonetic\",\n \"synonyms\",\n \"keyboard-neighbors\",\n \"partial-words\",\n \"missing-letters\",\n ],\n french: [\n //\n \"phonetic\",\n \"synonyms\",\n \"keyboard-neighbors\",\n \"partial-words\",\n \"missing-letters\",\n ],\n};\n\n/**\n * Merge user configuration with defaults\n */\nexport function mergeConfig(userConfig: Partial = {}): FuzzyConfig {\n const baseConfig = { ...DEFAULT_CONFIG };\n\n // Apply performance preset if specified\n if (userConfig.performance && userConfig.performance !== \"balanced\") {\n const performanceConfig = PERFORMANCE_CONFIGS[userConfig.performance];\n Object.assign(baseConfig, performanceConfig);\n\n // Deep merge scoring configs from performance preset\n if (performanceConfig.matchTypeScores) {\n baseConfig.matchTypeScores = {\n ...DEFAULT_MATCH_TYPE_SCORES,\n ...performanceConfig.matchTypeScores,\n };\n }\n if (performanceConfig.scoringModifiers) {\n baseConfig.scoringModifiers = {\n ...DEFAULT_SCORING_MODIFIERS,\n ...performanceConfig.scoringModifiers,\n };\n }\n }\n\n // Apply user overrides\n const mergedConfig = { ...baseConfig, ...userConfig };\n\n // Deep merge user scoring configs\n if (userConfig.matchTypeScores) {\n mergedConfig.matchTypeScores = {\n ...baseConfig.matchTypeScores,\n ...userConfig.matchTypeScores,\n };\n }\n if (userConfig.scoringModifiers) {\n mergedConfig.scoringModifiers = {\n ...baseConfig.scoringModifiers,\n ...userConfig.scoringModifiers,\n };\n }\n\n // Auto-adjust features based on languages if not explicitly set\n if (!userConfig.features && userConfig.languages) {\n const recommendedFeatures = new Set();\n\n for (const lang of userConfig.languages) {\n const langFeatures = LANGUAGE_FEATURES[lang] || LANGUAGE_FEATURES.english;\n langFeatures.forEach((feature) => recommendedFeatures.add(feature));\n }\n\n mergedConfig.features = Array.from(recommendedFeatures);\n }\n\n return mergedConfig;\n}\n\n/**\n * Validate configuration\n */\nexport function validateConfig(config: FuzzyConfig): void {\n if (config.maxResults < 1) {\n throw new Error(\"maxResults must be at least 1\");\n }\n\n if (config.minQueryLength < 1) {\n throw new Error(\"minQueryLength must be at least 1\");\n }\n\n if (config.fuzzyThreshold < 0 || config.fuzzyThreshold > 1) {\n throw new Error(\"fuzzyThreshold must be between 0 and 1\");\n }\n\n if (config.maxEditDistance < 0) {\n throw new Error(\"maxEditDistance must be non-negative\");\n }\n\n if (config.ngramSize < 2) {\n throw new Error(\"ngramSize must be at least 2\");\n }\n\n if (config.languages.length === 0) {\n throw new Error(\"At least one language must be specified\");\n 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