@clduab11/gemini-flow
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Revolutionary AI agent swarm coordination platform with Google Services integration, multimedia processing, and production-ready monitoring. Features 8 Google AI services, quantum computing capabilities, and enterprise-grade security.
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text/typescript
/**
* Pattern Recognition Engine - ML-powered Code Analysis
*
* Implements machine learning algorithms for recognizing code patterns,
* architectural structures, and coding styles
*/
import { Logger } from "../utils/logger.js";
export interface PatternMatch {
type: string;
confidence: number;
location: {
file: string;
line: number;
column: number;
};
context: string;
metadata: Record<string, any>;
}
export interface ArchitecturalPattern {
name: string;
description: string;
indicators: string[];
confidence: number;
files: string[];
structure: Record<string, any>;
}
export interface CodingStyle {
indentation: {
type: "spaces" | "tabs";
size: number;
};
lineLength: number;
naming: {
variables: "camelCase" | "snake_case" | "PascalCase";
functions: "camelCase" | "snake_case" | "PascalCase";
classes: "PascalCase" | "snake_case";
constants: "UPPER_CASE" | "camelCase";
};
quotes: "single" | "double" | "mixed";
semicolons: boolean;
trailingCommas: boolean;
}
export interface FrameworkSignature {
framework: string;
version?: string;
confidence: number;
patterns: string[];
dependencies: string[];
structure: string[];
}
export class PatternRecognitionEngine {
private logger: Logger;
private patterns: Map<string, RegExp[]> = new Map();
private architecturalIndicators: Map<string, string[]> = new Map();
private frameworkSignatures: Map<string, RegExp[]> = new Map();
constructor() {
this.logger = new Logger("PatternRecognition");
this.initializePatterns();
this.initializeArchitecturalIndicators();
this.initializeFrameworkSignatures();
}
/**
* Analyze code content for patterns
*/
async analyzePatterns(
content: string,
filePath: string,
): Promise<PatternMatch[]> {
const matches: PatternMatch[] = [];
const lines = content.split("\n");
// Analyze each pattern type
for (const [patternType, regexes] of this.patterns) {
const patternMatches = await this.findPatternMatches(
content,
lines,
filePath,
patternType,
regexes,
);
matches.push(...patternMatches);
}
return matches.sort((a, b) => b.confidence - a.confidence);
}
/**
* Detect architectural patterns in codebase
*/
async detectArchitecture(
files: string[],
contents: Map<string, string>,
): Promise<ArchitecturalPattern[]> {
const patterns: ArchitecturalPattern[] = [];
for (const [patternName, indicators] of this.architecturalIndicators) {
const detection = await this.detectArchitecturalPattern(
patternName,
indicators,
files,
contents,
);
if (detection.confidence > 0.5) {
patterns.push(detection);
}
}
return patterns.sort((a, b) => b.confidence - a.confidence);
}
/**
* Extract coding style from content
*/
extractCodingStyle(content: string): CodingStyle {
const lines = content.split("\n");
return {
indentation: this.analyzeIndentation(lines),
lineLength: this.analyzeLineLength(lines),
naming: this.analyzeNamingConventions(content),
quotes: this.analyzeQuoteStyle(content),
semicolons: this.analyzeSemicolonUsage(content),
trailingCommas: this.analyzeTrailingCommas(content),
};
}
/**
* Identify framework signatures
*/
async identifyFrameworks(
files: string[],
contents: Map<string, string>,
): Promise<FrameworkSignature[]> {
const signatures: FrameworkSignature[] = [];
for (const [framework, patterns] of this.frameworkSignatures) {
const signature = await this.detectFrameworkSignature(
framework,
patterns,
files,
contents,
);
if (signature.confidence > 0.3) {
signatures.push(signature);
}
}
return signatures.sort((a, b) => b.confidence - a.confidence);
}
/**
* Learn new patterns from examples
*/
async learnPattern(
examples: string[],
patternType: string,
): Promise<RegExp[]> {
// Extract common patterns from examples using ML techniques
const patterns: RegExp[] = [];
// Simple pattern extraction (in real implementation would use more sophisticated ML)
const commonSubstrings = this.findCommonSubstrings(examples);
for (const substring of commonSubstrings) {
try {
// Convert common substrings to regex patterns
const pattern = this.convertToRegex(substring);
if (pattern) {
patterns.push(pattern);
}
} catch (error) {
this.logger.warn(`Failed to create pattern from: ${substring}`, error);
}
}
// Store learned patterns
if (patterns.length > 0) {
this.patterns.set(patternType, patterns);
this.logger.info(
`Learned ${patterns.length} patterns for type: ${patternType}`,
);
}
return patterns;
}
/**
* Initialize built-in pattern recognizers
*/
private initializePatterns(): void {
// Function patterns
this.patterns.set("function", [
/function\s+([a-zA-Z_$][a-zA-Z0-9_$]*)\s*\(/g,
/const\s+([a-zA-Z_$][a-zA-Z0-9_$]*)\s*=\s*(?:async\s+)?\([^)]*\)\s*=>/g,
/([a-zA-Z_$][a-zA-Z0-9_$]*)\s*:\s*\([^)]*\)\s*=>/g,
]);
// Class patterns
this.patterns.set("class", [
/class\s+([a-zA-Z_$][a-zA-Z0-9_$]*)\s*(?:extends\s+([a-zA-Z_$][a-zA-Z0-9_$]*))?\s*{/g,
/interface\s+([a-zA-Z_$][a-zA-Z0-9_$]*)\s*(?:extends\s+([^{]+))?\s*{/g,
]);
// React component patterns
this.patterns.set("react-component", [
/const\s+([A-Z][a-zA-Z0-9_$]*)\s*=\s*\([^)]*\)\s*=>\s*{/g,
/function\s+([A-Z][a-zA-Z0-9_$]*)\s*\([^)]*\)\s*{[\s\S]*?return\s*\(/g,
/React\.FC<([^>]+)>/g,
]);
// Hook patterns (React)
this.patterns.set("react-hook", [
/const\s+\[([^,]+),\s*([^]]+)\]\s*=\s*useState/g,
/const\s+([a-zA-Z_$][a-zA-Z0-9_$]*)\s*=\s*useCallback/g,
/const\s+([a-zA-Z_$][a-zA-Z0-9_$]*)\s*=\s*useMemo/g,
/useEffect\s*\(/g,
]);
// API patterns
this.patterns.set("api-endpoint", [
/app\.(get|post|put|delete|patch)\s*\(\s*['"`]([^'"`]+)['"`]/g,
/router\.(get|post|put|delete|patch)\s*\(\s*['"`]([^'"`]+)['"`]/g,
/@(Get|Post|Put|Delete|Patch)\s*\(\s*['"`]([^'"`]+)['"`]/g,
]);
// Database patterns
this.patterns.set("database", [
/SELECT\s+[\s\S]*?FROM\s+([a-zA-Z_][a-zA-Z0-9_]*)/gi,
/INSERT\s+INTO\s+([a-zA-Z_][a-zA-Z0-9_]*)/gi,
/UPDATE\s+([a-zA-Z_][a-zA-Z0-9_]*)\s+SET/gi,
/DELETE\s+FROM\s+([a-zA-Z_][a-zA-Z0-9_]*)/gi,
]);
// Error handling patterns
this.patterns.set("error-handling", [
/try\s*{[\s\S]*?}\s*catch\s*\([^)]*\)\s*{/g,
/throw\s+new\s+([a-zA-Z_$][a-zA-Z0-9_$]*)/g,
/\.catch\s*\(/g,
/Promise\.reject/g,
]);
// Async patterns
this.patterns.set("async-await", [
/async\s+function/g,
/const\s+[^=]*=\s*async\s+/g,
/await\s+/g,
/Promise\.(all|race|allSettled)/g,
]);
}
/**
* Initialize architectural pattern indicators
*/
private initializeArchitecturalIndicators(): void {
this.architecturalIndicators.set("mvc", [
"models/",
"views/",
"controllers/",
"Model.js",
"Controller.js",
"View.js",
]);
this.architecturalIndicators.set("mvvm", [
"models/",
"views/",
"viewmodels/",
"ViewModel.js",
"DataBinding",
]);
this.architecturalIndicators.set("layered", [
"presentation/",
"business/",
"data/",
"services/",
"repositories/",
"entities/",
]);
this.architecturalIndicators.set("microservices", [
"services/",
"api-gateway/",
"service-discovery/",
"docker-compose.yml",
"kubernetes/",
".k8s/",
]);
this.architecturalIndicators.set("event-driven", [
"events/",
"handlers/",
"subscribers/",
"EventEmitter",
"EventBus",
"Publisher",
]);
this.architecturalIndicators.set("clean-architecture", [
"entities/",
"use-cases/",
"interface-adapters/",
"frameworks/",
"domain/",
"application/",
"infrastructure/",
]);
}
/**
* Initialize framework signature patterns
*/
private initializeFrameworkSignatures(): void {
// React signatures
this.frameworkSignatures.set("react", [
/import\s+React\s+from\s+['"`]react['"`]/g,
/import\s+{\s*[^}]*}\s+from\s+['"`]react['"`]/g,
/React\.createElement/g,
/jsx|tsx/g,
/useState|useEffect|useContext/g,
]);
// Vue signatures
this.frameworkSignatures.set("vue", [
/import\s+Vue\s+from\s+['"`]vue['"`]/g,
/new\s+Vue\s*\(/g,
/\.vue$/g,
/<template>/g,
/defineComponent/g,
]);
// Angular signatures
this.frameworkSignatures.set("angular", [
/import\s+{\s*[^}]*}\s+from\s+['"`]@angular/g,
/@Component\s*\(/g,
/@Injectable\s*\(/g,
/@NgModule\s*\(/g,
/angular\.json/g,
]);
// Express signatures
this.frameworkSignatures.set("express", [
/import\s+express\s+from\s+['"`]express['"`]/g,
/const\s+express\s*=\s*require\s*\(\s*['"`]express['"`]/g,
/app\.(get|post|put|delete|use)\s*\(/g,
/express\(\)/g,
]);
// Next.js signatures
this.frameworkSignatures.set("nextjs", [
/import\s+.*\s+from\s+['"`]next/g,
/getServerSideProps|getStaticProps/g,
/pages\/|app\//g,
/next\.config\.js/g,
]);
}
/**
* Find pattern matches in content
*/
private async findPatternMatches(
content: string,
lines: string[],
filePath: string,
patternType: string,
regexes: RegExp[],
): Promise<PatternMatch[]> {
const matches: PatternMatch[] = [];
for (const regex of regexes) {
let match;
const globalRegex = new RegExp(
regex.source,
regex.flags.includes("g") ? regex.flags : regex.flags + "g",
);
while ((match = globalRegex.exec(content)) !== null) {
const lineNumber = content.substring(0, match.index).split("\n").length;
const line = lines[lineNumber - 1] || "";
matches.push({
type: patternType,
confidence: this.calculatePatternConfidence(match, line, patternType),
location: {
file: filePath,
line: lineNumber,
column:
match.index - content.lastIndexOf("\n", match.index - 1) - 1,
},
context: line.trim(),
metadata: {
matchedText: match[0],
groups: match.slice(1),
pattern: regex.source,
},
});
}
}
return matches;
}
/**
* Calculate confidence score for pattern match
*/
private calculatePatternConfidence(
match: RegExpMatchArray,
line: string,
patternType: string,
): number {
let confidence = 0.7; // Base confidence
// Adjust based on context
if (line.trim().startsWith("//") || line.trim().startsWith("*")) {
confidence *= 0.3; // Comments are less reliable
}
// Adjust based on pattern type specificity
if (patternType === "react-component" && match[0].includes("React.FC")) {
confidence *= 1.2;
}
if (patternType === "function" && match[0].includes("async")) {
confidence *= 1.1;
}
return Math.min(confidence, 1.0);
}
/**
* Detect architectural pattern
*/
private async detectArchitecturalPattern(
patternName: string,
indicators: string[],
files: string[],
contents: Map<string, string>,
): Promise<ArchitecturalPattern> {
const matchingFiles: string[] = [];
let indicatorCount = 0;
for (const indicator of indicators) {
const matchingForIndicator = files.filter(
(file) =>
file.includes(indicator) || contents.get(file)?.includes(indicator),
);
if (matchingForIndicator.length > 0) {
indicatorCount++;
matchingFiles.push(...matchingForIndicator);
}
}
const confidence = indicatorCount / indicators.length;
return {
name: patternName,
description: `${patternName.toUpperCase()} architectural pattern`,
indicators,
confidence,
files: [...new Set(matchingFiles)],
structure: this.analyzeStructure(matchingFiles),
};
}
/**
* Detect framework signature
*/
private async detectFrameworkSignature(
framework: string,
patterns: RegExp[],
files: string[],
contents: Map<string, string>,
): Promise<FrameworkSignature> {
let matches = 0;
const foundPatterns: string[] = [];
const dependencies: string[] = [];
for (const [file, content] of contents) {
for (const pattern of patterns) {
if (pattern.test(content)) {
matches++;
foundPatterns.push(pattern.source);
}
}
}
// Check package.json for dependencies
const packageJson = contents.get("package.json");
if (packageJson) {
try {
const pkg = JSON.parse(packageJson);
const allDeps = { ...pkg.dependencies, ...pkg.devDependencies };
Object.keys(allDeps).forEach((dep) => {
if (
dep.includes(framework) ||
this.isRelatedDependency(framework, dep)
) {
dependencies.push(dep);
}
});
} catch (error) {
// Invalid package.json
}
}
const confidence =
(matches + dependencies.length * 2) / (patterns.length + 5);
return {
framework,
confidence: Math.min(confidence, 1.0),
patterns: foundPatterns,
dependencies,
structure: this.analyzeFrameworkStructure(framework, files),
};
}
/**
* Analyze indentation style
*/
private analyzeIndentation(lines: string[]): {
type: "spaces" | "tabs";
size: number;
} {
let spaceCount = 0;
let tabCount = 0;
const spaceSizes: number[] = [];
for (const line of lines) {
if (line.startsWith("\t")) {
tabCount++;
} else if (line.startsWith(" ")) {
spaceCount++;
const match = line.match(/^( +)/);
if (match) {
spaceSizes.push(match[1].length);
}
}
}
const type = tabCount > spaceCount ? "tabs" : "spaces";
const size =
type === "spaces" && spaceSizes.length > 0
? Math.round(spaceSizes.reduce((a, b) => a + b, 0) / spaceSizes.length)
: type === "tabs"
? 1
: 2;
return { type, size };
}
/**
* Analyze line length preferences
*/
private analyzeLineLength(lines: string[]): number {
const lengths = lines
.filter((line) => line.trim().length > 0)
.map((line) => line.length)
.sort((a, b) => a - b);
// Return 90th percentile as typical max line length
const index = Math.floor(lengths.length * 0.9);
return lengths[index] || 80;
}
/**
* Analyze naming conventions
*/
private analyzeNamingConventions(content: string): CodingStyle["naming"] {
const variableMatches =
content.match(/(?:const|let|var)\s+([a-zA-Z_$][a-zA-Z0-9_$]*)/g) || [];
const functionMatches =
content.match(/function\s+([a-zA-Z_$][a-zA-Z0-9_$]*)/g) || [];
const classMatches =
content.match(/class\s+([a-zA-Z_$][a-zA-Z0-9_$]*)/g) || [];
return {
variables: this.detectNamingStyle(
variableMatches.map((m) => m.split(/\s+/)[1]),
),
functions: this.detectNamingStyle(
functionMatches.map((m) => m.split(/\s+/)[1]),
),
classes: this.detectNamingStyle(
classMatches.map((m) => m.split(/\s+/)[1]),
) as "PascalCase" | "snake_case",
constants: "UPPER_CASE" as const, // Default assumption
};
}
/**
* Detect naming style from examples
*/
private detectNamingStyle(
names: string[],
): "camelCase" | "snake_case" | "PascalCase" {
if (names.length === 0) return "camelCase";
let camelCaseCount = 0;
let snakeCaseCount = 0;
let pascalCaseCount = 0;
for (const name of names) {
if (/^[a-z][a-zA-Z0-9]*$/.test(name)) camelCaseCount++;
else if (/^[a-z][a-z0-9_]*$/.test(name)) snakeCaseCount++;
else if (/^[A-Z][a-zA-Z0-9]*$/.test(name)) pascalCaseCount++;
}
if (pascalCaseCount > camelCaseCount && pascalCaseCount > snakeCaseCount) {
return "PascalCase";
} else if (snakeCaseCount > camelCaseCount) {
return "snake_case";
}
return "camelCase";
}
/**
* Analyze quote style preferences
*/
private analyzeQuoteStyle(content: string): "single" | "double" | "mixed" {
const singleQuotes = (content.match(/'/g) || []).length;
const doubleQuotes = (content.match(/"/g) || []).length;
if (Math.abs(singleQuotes - doubleQuotes) < 5) return "mixed";
return singleQuotes > doubleQuotes ? "single" : "double";
}
/**
* Analyze semicolon usage
*/
private analyzeSemicolonUsage(content: string): boolean {
const lines = content.split("\n");
const codeLines = lines.filter(
(line) =>
line.trim() &&
!line.trim().startsWith("//") &&
!line.trim().startsWith("*"),
);
const semicolonLines = codeLines.filter((line) =>
line.trim().endsWith(";"),
);
return semicolonLines.length > codeLines.length * 0.6;
}
/**
* Analyze trailing comma usage
*/
private analyzeTrailingCommas(content: string): boolean {
const arrayMatches = content.match(/\[[^\]]*,\s*\]/g) || [];
const objectMatches = content.match(/{[^}]*,\s*}/g) || [];
const totalMatches = arrayMatches.length + objectMatches.length;
return totalMatches > 3; // Assume trailing commas if found in multiple places
}
/**
* Find common substrings in examples
*/
private findCommonSubstrings(examples: string[]): string[] {
if (examples.length < 2) return [];
const commonSubstrings: Set<string> = new Set();
const minLength = 3;
for (let i = 0; i < examples.length - 1; i++) {
for (let j = i + 1; j < examples.length; j++) {
const common = this.longestCommonSubstring(examples[i], examples[j]);
if (common.length >= minLength) {
commonSubstrings.add(common);
}
}
}
return Array.from(commonSubstrings);
}
/**
* Find longest common substring between two strings
*/
private longestCommonSubstring(str1: string, str2: string): string {
const dp: number[][] = Array(str1.length + 1)
.fill(null)
.map(() => Array(str2.length + 1).fill(0));
let maxLength = 0;
let endingPos = 0;
for (let i = 1; i <= str1.length; i++) {
for (let j = 1; j <= str2.length; j++) {
if (str1[i - 1] === str2[j - 1]) {
dp[i][j] = dp[i - 1][j - 1] + 1;
if (dp[i][j] > maxLength) {
maxLength = dp[i][j];
endingPos = i;
}
}
}
}
return str1.substring(endingPos - maxLength, endingPos);
}
/**
* Convert common substring to regex pattern
*/
private convertToRegex(substring: string): RegExp | null {
if (substring.length < 3) return null;
// Escape special regex characters
const escaped = substring.replace(/[.*+?^${}()|[\]\\]/g, "\\$&");
try {
return new RegExp(escaped, "g");
} catch (error) {
return null;
}
}
/**
* Check if dependency is related to framework
*/
private isRelatedDependency(framework: string, dependency: string): boolean {
const relatedDeps: Record<string, string[]> = {
react: ["react-dom", "react-router", "react-query", "@types/react"],
vue: ["vue-router", "vuex", "nuxt", "@vue/"],
angular: ["@angular/", "ng-", "angular-"],
express: ["express-", "body-parser", "cors", "helmet"],
nextjs: ["next", "@next/"],
};
const related = relatedDeps[framework] || [];
return related.some((rel) => dependency.includes(rel));
}
/**
* Analyze structure for patterns
*/
private analyzeStructure(files: string[]): Record<string, any> {
const structure: Record<string, any> = {
directories: new Set(),
fileTypes: new Set(),
depth: 0,
};
for (const file of files) {
const parts = file.split("/");
structure.depth = Math.max(structure.depth, parts.length);
// Add directories
for (let i = 0; i < parts.length - 1; i++) {
structure.directories.add(parts[i]);
}
// Add file extensions
const ext = file.split(".").pop();
if (ext) {
structure.fileTypes.add(ext);
}
}
return {
directories: Array.from(structure.directories),
fileTypes: Array.from(structure.fileTypes),
depth: structure.depth,
fileCount: files.length,
};
}
/**
* Analyze framework-specific structure
*/
private analyzeFrameworkStructure(
framework: string,
files: string[],
): string[] {
const frameworkStructures: Record<string, string[]> = {
react: ["src/", "components/", "hooks/", "pages/", "public/"],
vue: ["src/", "components/", "views/", "router/", "store/"],
angular: ["src/app/", "components/", "services/", "modules/"],
express: ["routes/", "controllers/", "middleware/", "models/"],
nextjs: ["pages/", "components/", "public/", "styles/"],
};
const expectedStructure = frameworkStructures[framework] || [];
return expectedStructure.filter((dir) =>
files.some((file) => file.includes(dir)),
);
}
}
export default PatternRecognitionEngine;