feat: implement comprehensive type safety system with BrainyTypes API
Major enhancements for type safety and developer experience: - Add BrainyTypes static API for type management and AI-powered suggestions - Implement strict type validation for all 31 NounType categories - Remove dangerous generic add() method that bypassed type safety - Add intelligent type inference with confidence scoring - Provide helpful error messages with typo suggestions using Levenshtein distance - Update all internal code, examples, and documentation to use typed methods - Enhance CLI with new type management commands (types, suggest, validate) Breaking changes: - Remove deprecated add() method - use addNoun() with explicit type parameter - All addNoun() calls now require explicit type as second parameter This release significantly improves type safety across the entire system while maintaining backward compatibility for properly typed method calls. 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
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40 changed files with 1704 additions and 497 deletions
326
src/utils/brainyTypes.ts
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326
src/utils/brainyTypes.ts
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/**
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* BrainyTypes - Complete type management for Brainy
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*
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* Provides type lists, validation, and intelligent suggestions
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* for nouns and verbs using semantic embeddings.
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*
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* @example
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* ```typescript
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* import { BrainyTypes } from '@soulcraft/brainy'
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*
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* // Get all available types
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* const nounTypes = BrainyTypes.nouns // ['Person', 'Organization', ...]
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* const verbTypes = BrainyTypes.verbs // ['Contains', 'Creates', ...]
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*
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* // Validate types
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* BrainyTypes.isValidNoun('Person') // true
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* BrainyTypes.isValidVerb('Unknown') // false
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*
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* // Get intelligent suggestions
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* const personData = {
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* name: 'John Doe',
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* email: 'john@example.com'
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* }
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* const suggestion = await BrainyTypes.suggestNoun(personData)
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* console.log(suggestion.type) // 'Person'
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* console.log(suggestion.confidence) // 0.92
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* ```
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*/
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import { NounType, VerbType } from '../types/graphTypes.js'
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import { BrainyTypes as InternalBrainyTypes, TypeMatchResult } from '../augmentations/typeMatching/brainyTypes.js'
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/**
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* Type suggestion result
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*/
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export interface TypeSuggestion {
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/** The suggested type */
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type: NounType | VerbType
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/** Confidence score between 0 and 1 */
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confidence: number
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/** Human-readable explanation */
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reason?: string
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/** Alternative suggestions */
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alternatives?: Array<{
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type: NounType | VerbType
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confidence: number
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}>
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}
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/**
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* BrainyTypes - Complete type management for Brainy
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*
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* Static class providing type lists, validation, and intelligent suggestions.
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* No instantiation needed - all methods are static.
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*/
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export class BrainyTypes {
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private static instance: InternalBrainyTypes | null = null
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private static initialized = false
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/**
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* All available noun types
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* @example
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* ```typescript
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* BrainyTypes.nouns.forEach(type => console.log(type))
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* // 'Person', 'Organization', 'Location', ...
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* ```
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*/
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static readonly nouns: readonly NounType[] = Object.freeze(Object.values(NounType))
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/**
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* All available verb types
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* @example
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* ```typescript
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* BrainyTypes.verbs.forEach(type => console.log(type))
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* // 'Contains', 'Creates', 'RelatedTo', ...
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* ```
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*/
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static readonly verbs: readonly VerbType[] = Object.freeze(Object.values(VerbType))
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/**
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* Get or create the internal matcher instance
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*/
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private static async getInternalMatcher(): Promise<InternalBrainyTypes> {
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if (!this.instance) {
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this.instance = new InternalBrainyTypes()
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await this.instance.init()
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this.initialized = true
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}
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return this.instance
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}
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/**
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* Check if a string is a valid noun type
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*
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* @param type The type string to check
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* @returns True if valid noun type
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*
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* @example
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* ```typescript
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* BrainyTypes.isValidNoun('Person') // true
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* BrainyTypes.isValidNoun('Unknown') // false
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* BrainyTypes.isValidNoun('Contains') // false (it's a verb)
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* ```
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*/
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static isValidNoun(type: string): type is NounType {
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return (this.nouns as readonly string[]).includes(type)
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}
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/**
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* Check if a string is a valid verb type
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*
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* @param type The type string to check
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* @returns True if valid verb type
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*
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* @example
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* ```typescript
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* BrainyTypes.isValidVerb('Contains') // true
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* BrainyTypes.isValidVerb('Unknown') // false
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* BrainyTypes.isValidVerb('Person') // false (it's a noun)
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* ```
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*/
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static isValidVerb(type: string): type is VerbType {
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return (this.verbs as readonly string[]).includes(type)
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}
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/**
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* Suggest the most appropriate noun type for an object
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*
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* @param data The object or data to analyze
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* @returns Promise resolving to type suggestion with confidence score
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*
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* @example
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* ```typescript
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* const data = {
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* title: 'Quarterly Report',
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* author: 'Jane Smith',
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* pages: 42
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* }
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* const suggestion = await BrainyTypes.suggestNoun(data)
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* console.log(suggestion.type) // 'Document'
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* console.log(suggestion.confidence) // 0.88
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*
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* // Check alternatives if confidence is low
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* if (suggestion.confidence < 0.8) {
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* console.log('Also consider:', suggestion.alternatives)
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* }
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* ```
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*/
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static async suggestNoun(data: any): Promise<TypeSuggestion> {
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const matcher = await this.getInternalMatcher()
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const result = await matcher.matchNounType(data)
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return {
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type: result.type as NounType,
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confidence: result.confidence,
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reason: result.reasoning,
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alternatives: result.alternatives?.map(alt => ({
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type: alt.type as NounType,
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confidence: alt.confidence
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}))
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}
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}
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/**
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* Suggest the most appropriate verb type for a relationship
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*
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* @param source The source entity
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* @param target The target entity
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* @param hint Optional hint about the relationship
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* @returns Promise resolving to type suggestion with confidence score
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*
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* @example
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* ```typescript
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* const source = { type: 'Person', name: 'Alice' }
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* const target = { type: 'Document', title: 'Research Paper' }
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*
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* const suggestion = await BrainyTypes.suggestVerb(source, target, 'authored')
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* console.log(suggestion.type) // 'CreatedBy'
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* console.log(suggestion.confidence) // 0.91
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*
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* // Without hint
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* const suggestion2 = await BrainyTypes.suggestVerb(source, target)
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* console.log(suggestion2.type) // 'RelatedTo' (more generic)
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* ```
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*/
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static async suggestVerb(
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source: any,
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target: any,
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hint?: string
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): Promise<TypeSuggestion> {
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const matcher = await this.getInternalMatcher()
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const result = await matcher.matchVerbType(source, target, hint)
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return {
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type: result.type as VerbType,
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confidence: result.confidence,
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reason: result.reasoning,
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alternatives: result.alternatives?.map(alt => ({
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type: alt.type as VerbType,
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confidence: alt.confidence
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}))
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}
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}
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/**
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* Get a noun type by name (with validation)
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*
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* @param name The noun type name
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* @returns The NounType enum value
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* @throws Error if invalid noun type
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*
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* @example
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* ```typescript
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* const type = BrainyTypes.getNoun('Person') // NounType.Person
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* const bad = BrainyTypes.getNoun('Unknown') // throws Error
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* ```
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*/
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static getNoun(name: string): NounType {
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if (!this.isValidNoun(name)) {
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throw new Error(`Invalid noun type: '${name}'. Valid types are: ${this.nouns.join(', ')}`)
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}
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return name as NounType
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}
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/**
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* Get a verb type by name (with validation)
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*
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* @param name The verb type name
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* @returns The VerbType enum value
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* @throws Error if invalid verb type
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*
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* @example
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* ```typescript
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* const type = BrainyTypes.getVerb('Contains') // VerbType.Contains
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* const bad = BrainyTypes.getVerb('Unknown') // throws Error
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* ```
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*/
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static getVerb(name: string): VerbType {
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if (!this.isValidVerb(name)) {
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throw new Error(`Invalid verb type: '${name}'. Valid types are: ${this.verbs.join(', ')}`)
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}
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return name as VerbType
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}
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/**
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* Clear the internal cache
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* Useful when processing many different types of data
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*/
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static clearCache(): void {
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this.instance?.clearCache()
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}
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/**
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* Dispose of resources
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* Call when completely done using BrainyTypes
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*/
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static async dispose(): Promise<void> {
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if (this.instance) {
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await this.instance.dispose()
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this.instance = null
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this.initialized = false
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}
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}
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/**
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* Get noun types as a plain object (for iteration)
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* @returns Object with noun type names as keys
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*/
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static getNounMap(): Record<string, NounType> {
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const map: Record<string, NounType> = {}
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for (const noun of this.nouns) {
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map[noun] = noun
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}
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return map
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}
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/**
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* Get verb types as a plain object (for iteration)
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* @returns Object with verb type names as keys
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*/
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static getVerbMap(): Record<string, VerbType> {
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const map: Record<string, VerbType> = {}
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for (const verb of this.verbs) {
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map[verb] = verb
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}
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return map
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}
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}
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// Re-export the enums for convenience
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export { NounType, VerbType }
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/**
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* Helper function to validate and suggest types in one call
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*
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* @example
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* ```typescript
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* import { suggestType } from '@soulcraft/brainy'
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*
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* // For nouns
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* const nounSuggestion = await suggestType('noun', data)
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*
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* // For verbs
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* const verbSuggestion = await suggestType('verb', source, target)
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* ```
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*/
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export async function suggestType(
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kind: 'noun',
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data: any
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): Promise<TypeSuggestion>
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export async function suggestType(
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kind: 'verb',
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source: any,
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target: any,
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hint?: string
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): Promise<TypeSuggestion>
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export async function suggestType(
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kind: 'noun' | 'verb',
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...args: any[]
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): Promise<TypeSuggestion> {
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if (kind === 'noun') {
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return BrainyTypes.suggestNoun(args[0])
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} else {
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return BrainyTypes.suggestVerb(args[0], args[1], args[2])
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}
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}
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173
src/utils/typeValidation.ts
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173
src/utils/typeValidation.ts
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import { NounType, VerbType } from '../types/graphTypes.js'
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// Type sets for O(1) validation
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const VALID_NOUN_TYPES = new Set<string>(Object.values(NounType))
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const VALID_VERB_TYPES = new Set<string>(Object.values(VerbType))
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// Type guards
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export function isValidNounType(type: unknown): type is NounType {
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return typeof type === 'string' && VALID_NOUN_TYPES.has(type as string)
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}
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export function isValidVerbType(type: unknown): type is VerbType {
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return typeof type === 'string' && VALID_VERB_TYPES.has(type as string)
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}
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// Validators with helpful errors
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export function validateNounType(type: unknown): NounType {
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if (!isValidNounType(type)) {
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const suggestion = findClosestMatch(String(type), VALID_NOUN_TYPES)
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throw new Error(
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`Invalid noun type: '${type}'. ${suggestion ? `Did you mean '${suggestion}'?` : ''} ` +
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`Valid types are: ${[...VALID_NOUN_TYPES].sort().join(', ')}`
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)
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}
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return type
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}
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export function validateVerbType(type: unknown): VerbType {
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if (!isValidVerbType(type)) {
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const suggestion = findClosestMatch(String(type), VALID_VERB_TYPES)
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throw new Error(
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`Invalid verb type: '${type}'. ${suggestion ? `Did you mean '${suggestion}'?` : ''} ` +
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`Valid types are: ${[...VALID_VERB_TYPES].sort().join(', ')}`
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)
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}
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return type
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}
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// Graph entity validators
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export interface ValidatedGraphNoun {
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noun: NounType
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[key: string]: any
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}
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export interface ValidatedGraphVerb {
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verb: VerbType
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[key: string]: any
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}
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export function validateGraphNoun(noun: unknown): ValidatedGraphNoun {
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if (!noun || typeof noun !== 'object') {
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throw new Error('Invalid noun: must be an object')
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}
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const n = noun as any
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if (!n.noun) {
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throw new Error('Invalid noun: missing required "noun" type field')
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}
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n.noun = validateNounType(n.noun)
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return n as ValidatedGraphNoun
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}
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export function validateGraphVerb(verb: unknown): ValidatedGraphVerb {
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if (!verb || typeof verb !== 'object') {
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throw new Error('Invalid verb: must be an object')
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}
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const v = verb as any
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if (!v.verb) {
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throw new Error('Invalid verb: missing required "verb" type field')
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}
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v.verb = validateVerbType(v.verb)
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return v as ValidatedGraphVerb
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}
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// Helper for suggestions using Levenshtein distance
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function findClosestMatch(input: string, validSet: Set<string>): string | null {
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if (!input) return null
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const lower = input.toLowerCase()
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let bestMatch: string | null = null
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let bestScore = Infinity
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for (const valid of validSet) {
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const validLower = valid.toLowerCase()
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// Exact match (case-insensitive)
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if (validLower === lower) {
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return valid
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}
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// Substring match
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if (validLower.includes(lower) || lower.includes(validLower)) {
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return valid
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}
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// Calculate Levenshtein distance
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const distance = levenshteinDistance(lower, validLower)
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if (distance < bestScore && distance <= 3) { // Threshold of 3 for suggestions
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bestScore = distance
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bestMatch = valid
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}
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}
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return bestMatch
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}
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// Levenshtein distance implementation
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function levenshteinDistance(str1: string, str2: string): number {
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const m = str1.length
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const n = str2.length
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const dp: number[][] = Array(m + 1).fill(null).map(() => Array(n + 1).fill(0))
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for (let i = 0; i <= m; i++) {
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dp[i][0] = i
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}
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for (let j = 0; j <= n; j++) {
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dp[0][j] = j
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}
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for (let i = 1; i <= m; i++) {
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for (let j = 1; j <= n; j++) {
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if (str1[i - 1] === str2[j - 1]) {
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dp[i][j] = dp[i - 1][j - 1]
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} else {
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dp[i][j] = 1 + Math.min(
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dp[i - 1][j], // deletion
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dp[i][j - 1], // insertion
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dp[i - 1][j - 1] // substitution
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)
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}
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}
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}
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return dp[m][n]
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}
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// Batch validation helpers
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export function validateNounTypes(types: unknown[]): NounType[] {
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return types.map(validateNounType)
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}
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export function validateVerbTypes(types: unknown[]): VerbType[] {
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return types.map(validateVerbType)
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}
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// Export validation statistics for monitoring
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export interface ValidationStats {
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validated: number
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failed: number
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inferred: number
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suggestions: number
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}
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let stats: ValidationStats = {
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validated: 0,
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failed: 0,
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inferred: 0,
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suggestions: 0
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}
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export function getValidationStats(): ValidationStats {
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return { ...stats }
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}
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export function resetValidationStats(): void {
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stats = {
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validated: 0,
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failed: 0,
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inferred: 0,
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suggestions: 0
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}
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}
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