mirror of
https://github.com/johndoe6345789/WizardMerge.git
synced 2026-04-24 13:44:55 +00:00
Merge pull request #22 from johndoe6345789/copilot/add-typescript-support
Add TypeScript support: context awareness, package lock handling, and risk analysis
This commit is contained in:
GitHub
37
README.md
37
README.md
@@ -18,9 +18,12 @@ WizardMerge uses a multi-frontend architecture with a high-performance C++ backe
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- **Features**:
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- Three-way merge algorithm
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- Conflict detection and auto-resolution
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- Context-aware analysis (TypeScript, Python, C++, Java)
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- Intelligent risk assessment
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- HTTP API endpoints
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- GitHub Pull Request integration
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- Pull request conflict resolution
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- TypeScript-specific merge support
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### Frontends
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@@ -209,6 +212,40 @@ When `create_branch: true` is set in the API request:
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- **GitLab**: Use personal access tokens with `read_api` and `read_repository` scopes
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- Tokens can be passed via `--token` flag or environment variables (`GITHUB_TOKEN`, `GITLAB_TOKEN`)
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## TypeScript Support
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WizardMerge includes comprehensive TypeScript support for intelligent merge conflict resolution:
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### Features
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- **Context-Aware Analysis**: Recognizes TypeScript interfaces, types, enums, and arrow functions
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- **Risk Assessment**: Detects breaking changes in type definitions and type safety bypasses
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- **Package Lock Handling**: Smart detection of package-lock.json, yarn.lock, pnpm-lock.yaml, and bun.lockb files
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- **Security Patterns**: Identifies XSS risks (dangerouslySetInnerHTML, innerHTML) and type safety issues (as any, @ts-ignore)
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### Supported TypeScript Patterns
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- Interfaces, type aliases, and enums
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- Arrow functions and async functions
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- TypeScript imports (import type, namespace imports)
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- Function signatures with type annotations
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- Export declarations
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### Package Lock Conflicts
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Package lock files are extremely common sources of merge conflicts. WizardMerge:
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- Automatically detects package lock files
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- Suggests regenerating lock files instead of manual merging
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- Supports npm, Yarn, pnpm, and Bun lock files
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**Recommended workflow for lock file conflicts:**
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1. Merge `package.json` manually
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2. Delete the lock file
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3. Run your package manager to regenerate
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4. This ensures consistency and avoids corruption
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See [docs/TYPESCRIPT_SUPPORT.md](docs/TYPESCRIPT_SUPPORT.md) for detailed documentation and API examples.
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## Formal Verification
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WizardMerge includes a formal TLA+ specification that is verified in CI:
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@@ -15,6 +15,8 @@ find_package(CURL QUIET)
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set(WIZARDMERGE_SOURCES
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src/merge/three_way_merge.cpp
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src/git/git_cli.cpp
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src/analysis/context_analyzer.cpp
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src/analysis/risk_analyzer.cpp
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)
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# Add git sources only if CURL is available
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@@ -71,6 +73,8 @@ if(GTest_FOUND)
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set(TEST_SOURCES
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tests/test_three_way_merge.cpp
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tests/test_git_cli.cpp
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tests/test_context_analyzer.cpp
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tests/test_risk_analyzer.cpp
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)
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# Add github client tests only if CURL is available
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191
backend/examples/typescript_example.cpp
Normal file
191
backend/examples/typescript_example.cpp
Normal file
@@ -0,0 +1,191 @@
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/**
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* @file typescript_example.cpp
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* @brief Example demonstrating TypeScript support in WizardMerge
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*/
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#include "wizardmerge/analysis/context_analyzer.h"
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#include "wizardmerge/analysis/risk_analyzer.h"
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#include <iostream>
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#include <vector>
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#include <string>
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using namespace wizardmerge::analysis;
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void print_separator() {
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std::cout << "\n" << std::string(60, '=') << "\n" << std::endl;
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}
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int main() {
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std::cout << "WizardMerge TypeScript Support Demo" << std::endl;
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print_separator();
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// Example 1: TypeScript Function Detection
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std::cout << "Example 1: TypeScript Function Detection" << std::endl;
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std::cout << std::string(40, '-') << std::endl;
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std::vector<std::string> ts_functions = {
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"export async function fetchUser(id: number): Promise<User> {",
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" const response = await api.get(`/users/${id}`);",
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" return response.data;",
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"}"
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};
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std::string func_name = extract_function_name(ts_functions, 1);
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std::cout << "Detected function: " << func_name << std::endl;
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print_separator();
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// Example 2: TypeScript Interface Detection
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std::cout << "Example 2: TypeScript Interface Detection" << std::endl;
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std::cout << std::string(40, '-') << std::endl;
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std::vector<std::string> ts_interface = {
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"export interface User {",
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" id: number;",
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" name: string;",
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" email: string;",
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"}"
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};
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std::string type_name = extract_class_name(ts_interface, 2);
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std::cout << "Detected type: " << type_name << std::endl;
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print_separator();
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// Example 3: TypeScript Import Extraction
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std::cout << "Example 3: TypeScript Import Extraction" << std::endl;
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std::cout << std::string(40, '-') << std::endl;
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std::vector<std::string> ts_imports = {
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"import { Component, useState } from 'react';",
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"import type { User } from './types';",
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"import * as utils from './utils';",
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"",
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"export const MyComponent = () => {"
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};
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auto imports = extract_imports(ts_imports);
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std::cout << "Detected " << imports.size() << " imports:" << std::endl;
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for (const auto& import : imports) {
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std::cout << " - " << import << std::endl;
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}
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print_separator();
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// Example 4: TypeScript Interface Change Detection
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std::cout << "Example 4: TypeScript Interface Change Detection" << std::endl;
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std::cout << std::string(40, '-') << std::endl;
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std::vector<std::string> base_interface = {
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"interface User {",
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" id: number;",
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" name: string;",
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"}"
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};
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std::vector<std::string> modified_interface = {
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"interface User {",
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" id: number;",
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" name: string;",
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" email: string; // Added",
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" age?: number; // Added optional",
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"}"
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};
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bool has_ts_changes = has_typescript_interface_changes(base_interface, modified_interface);
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std::cout << "Interface changed: " << (has_ts_changes ? "YES" : "NO") << std::endl;
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std::cout << "Risk: Breaking change - affects all usages of User" << std::endl;
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print_separator();
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// Example 5: TypeScript Critical Pattern Detection
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std::cout << "Example 5: TypeScript Critical Pattern Detection" << std::endl;
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std::cout << std::string(40, '-') << std::endl;
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std::vector<std::string> risky_code = {
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"// Type safety bypass",
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"const user = response.data as any;",
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"",
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"// Error suppression",
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"// @ts-ignore",
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"element.innerHTML = userInput;",
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"",
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"// Insecure storage",
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"localStorage.setItem('password', pwd);"
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};
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bool has_critical = contains_critical_patterns(risky_code);
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std::cout << "Contains critical patterns: " << (has_critical ? "YES" : "NO") << std::endl;
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if (has_critical) {
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std::cout << "Critical issues detected:" << std::endl;
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std::cout << " - Type safety bypass (as any)" << std::endl;
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std::cout << " - Error suppression (@ts-ignore)" << std::endl;
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std::cout << " - XSS vulnerability (innerHTML)" << std::endl;
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std::cout << " - Insecure password storage (localStorage)" << std::endl;
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}
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print_separator();
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// Example 6: Package Lock File Detection
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std::cout << "Example 6: Package Lock File Detection" << std::endl;
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std::cout << std::string(40, '-') << std::endl;
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std::vector<std::string> lock_files = {
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"package-lock.json",
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"yarn.lock",
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"pnpm-lock.yaml",
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"bun.lockb",
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"package.json"
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};
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for (const auto& file : lock_files) {
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bool is_lock = is_package_lock_file(file);
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std::cout << file << ": " << (is_lock ? "LOCK FILE" : "regular file") << std::endl;
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}
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std::cout << "\nRecommendation for lock file conflicts:" << std::endl;
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std::cout << " 1. Merge package.json manually" << std::endl;
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std::cout << " 2. Delete lock file" << std::endl;
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std::cout << " 3. Run package manager to regenerate" << std::endl;
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print_separator();
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// Example 7: Complete Risk Analysis
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std::cout << "Example 7: Complete Risk Analysis for TypeScript Changes" << std::endl;
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std::cout << std::string(40, '-') << std::endl;
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std::vector<std::string> base = {
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"interface Config {",
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" timeout: number;",
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"}"
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};
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std::vector<std::string> ours = {
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"interface Config {",
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" timeout: number;",
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" retries: number;",
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"}"
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};
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std::vector<std::string> theirs = {
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"interface Config {",
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" timeout: number;",
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"}"
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};
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auto risk = analyze_risk_ours(base, ours, theirs);
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std::cout << "Risk Level: " << risk_level_to_string(risk.level) << std::endl;
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std::cout << "Confidence: " << risk.confidence_score << std::endl;
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std::cout << "Has API Changes: " << (risk.has_api_changes ? "YES" : "NO") << std::endl;
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std::cout << "\nRisk Factors:" << std::endl;
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for (const auto& factor : risk.risk_factors) {
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std::cout << " - " << factor << std::endl;
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}
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std::cout << "\nRecommendations:" << std::endl;
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for (const auto& rec : risk.recommendations) {
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std::cout << " - " << rec << std::endl;
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}
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print_separator();
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std::cout << "Demo completed successfully!" << std::endl;
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std::cout << "See docs/TYPESCRIPT_SUPPORT.md for more details." << std::endl;
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return 0;
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}
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@@ -112,6 +112,26 @@ bool has_api_signature_changes(
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const std::vector<std::string>& modified
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);
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/**
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* @brief Detects if TypeScript interface or type definitions changed.
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*
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* @param base Base version lines
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* @param modified Modified version lines
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* @return true if interface/type changes detected
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*/
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bool has_typescript_interface_changes(
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const std::vector<std::string>& base,
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const std::vector<std::string>& modified
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);
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/**
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* @brief Checks if file is a package-lock.json file.
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*
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* @param filename Name of the file
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* @return true if file is package-lock.json
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*/
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bool is_package_lock_file(const std::string& filename);
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} // namespace analysis
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} // namespace wizardmerge
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@@ -37,7 +37,11 @@ bool is_function_definition(const std::string& line) {
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std::regex(R"(^def\s+\w+\s*\([^)]*\):)"), // Python: def name(params):
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std::regex(R"(^function\s+\w+\s*\([^)]*\))"), // JavaScript: function name(params)
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std::regex(R"(^\w+\s*:\s*function\s*\([^)]*\))"), // JS object method
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std::regex(R"(^(public|private|protected)?\s*\w+\s+\w+\s*\([^)]*\))") // Java/C# methods
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std::regex(R"(^(public|private|protected)?\s*\w+\s+\w+\s*\([^)]*\))"), // Java/C# methods
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// TypeScript patterns
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std::regex(R"(^(export\s+)?(async\s+)?function\s+\w+)"), // TS: export/async function
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std::regex(R"(^(export\s+)?(const|let|var)\s+\w+\s*=\s*(async\s+)?\([^)]*\)\s*=>)"), // TS: arrow functions
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std::regex(R"(^(public|private|protected|readonly)?\s*\w+\s*\([^)]*\)\s*:\s*\w+)") // TS: typed methods
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};
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for (const auto& pattern : patterns) {
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@@ -64,12 +68,18 @@ std::string get_function_name_from_line(const std::string& line) {
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return match[1].str();
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}
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// JavaScript: function function_name(
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std::regex js_pattern(R"(function\s+(\w+)\s*\()");
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// JavaScript/TypeScript: function function_name( or export function function_name(
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std::regex js_pattern(R"((?:export\s+)?(?:async\s+)?function\s+(\w+)\s*\()");
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if (std::regex_search(trimmed, match, js_pattern)) {
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return match[1].str();
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}
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// TypeScript: const/let/var function_name = (params) =>
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std::regex arrow_pattern(R"((?:const|let|var)\s+(\w+)\s*=\s*(?:async\s+)?\([^)]*\)\s*=>)");
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if (std::regex_search(trimmed, match, arrow_pattern)) {
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return match[1].str();
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}
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// C/C++/Java: type function_name(
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std::regex cpp_pattern(R"(\w+\s+(\w+)\s*\()");
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if (std::regex_search(trimmed, match, cpp_pattern)) {
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@@ -88,7 +98,12 @@ bool is_class_definition(const std::string& line) {
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std::vector<std::regex> patterns = {
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std::regex(R"(^class\s+\w+)"), // Python/C++/Java: class Name
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std::regex(R"(^(public|private)?\s*class\s+\w+)"), // Java/C#: visibility class Name
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std::regex(R"(^struct\s+\w+)") // C/C++: struct Name
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std::regex(R"(^struct\s+\w+)"), // C/C++: struct Name
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// TypeScript patterns
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std::regex(R"(^(export\s+)?(abstract\s+)?class\s+\w+)"), // TS: export class Name
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std::regex(R"(^(export\s+)?interface\s+\w+)"), // TS: interface Name
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std::regex(R"(^(export\s+)?type\s+\w+\s*=)"), // TS: type Name =
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std::regex(R"(^(export\s+)?enum\s+\w+)") // TS: enum Name
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};
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for (const auto& pattern : patterns) {
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@@ -107,7 +122,9 @@ std::string get_class_name_from_line(const std::string& line) {
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std::string trimmed = trim(line);
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std::smatch match;
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std::regex pattern(R"((class|struct)\s+(\w+))");
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// Match class, struct, interface, type, or enum
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std::regex pattern(R"((?:export\s+)?(?:abstract\s+)?(class|struct|interface|type|enum)\s+(\w+))");
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if (std::regex_search(trimmed, match, pattern)) {
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return match[2].str();
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@@ -221,9 +238,15 @@ std::vector<std::string> extract_imports(
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// Check for various import patterns
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if (line.find("#include") == 0 ||
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line.find("import ") == 0 ||
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line.find("import{") == 0 || // Support both "import{" and "import {"
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line.find("from ") == 0 ||
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line.find("require(") != std::string::npos ||
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line.find("using ") == 0) {
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line.find("using ") == 0 ||
|
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// TypeScript/ES6 specific patterns
|
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line.find("import *") == 0 ||
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line.find("import type") == 0 ||
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line.find("export {") == 0 ||
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line.find("export *") == 0) {
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imports.push_back(line);
|
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}
|
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}
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@@ -82,6 +82,10 @@ bool is_function_signature(const std::string& line) {
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std::regex(R"(^\w+\s+\w+\s*\([^)]*\))"), // C/C++/Java
|
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std::regex(R"(^def\s+\w+\s*\([^)]*\):)"), // Python
|
||||
std::regex(R"(^function\s+\w+\s*\([^)]*\))"), // JavaScript
|
||||
// TypeScript patterns
|
||||
std::regex(R"(^(export\s+)?(async\s+)?function\s+\w+\s*\([^)]*\))"), // TS function
|
||||
std::regex(R"(^(const|let|var)\s+\w+\s*=\s*\([^)]*\)\s*=>)"), // Arrow function
|
||||
std::regex(R"(^\w+\s*\([^)]*\)\s*:\s*\w+)"), // TS: method with return type
|
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};
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||||
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||||
for (const auto& pattern : patterns) {
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||||
@@ -117,6 +121,13 @@ bool contains_critical_patterns(const std::vector<std::string>& lines) {
|
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std::regex(R"(\.secret\s*=)"), // Secret assignments
|
||||
std::regex(R"(sudo\s+)"), // Sudo usage
|
||||
std::regex(R"(chmod\s+777)"), // Overly permissive permissions
|
||||
// TypeScript specific critical patterns
|
||||
std::regex(R"(dangerouslySetInnerHTML)"), // React XSS risk
|
||||
std::regex(R"(\bas\s+any\b)"), // TypeScript: type safety bypass
|
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std::regex(R"(@ts-ignore)"), // TypeScript: error suppression
|
||||
std::regex(R"(@ts-nocheck)"), // TypeScript: file-level error suppression
|
||||
std::regex(R"(localStorage\.setItem.*password)"), // Storing passwords in localStorage
|
||||
std::regex(R"(innerHTML\s*=)"), // XSS risk
|
||||
};
|
||||
|
||||
for (const auto& line : lines) {
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||||
@@ -148,6 +159,70 @@ bool has_api_signature_changes(
|
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return false;
|
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}
|
||||
|
||||
bool has_typescript_interface_changes(
|
||||
const std::vector<std::string>& base,
|
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const std::vector<std::string>& modified
|
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) {
|
||||
// Use static regex patterns to avoid recompilation
|
||||
static const std::vector<std::regex> ts_definition_patterns = {
|
||||
std::regex(R"(\binterface\s+\w+)"),
|
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std::regex(R"(\btype\s+\w+\s*=)"),
|
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std::regex(R"(\benum\s+\w+)"),
|
||||
};
|
||||
|
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// Check if any TypeScript definition exists in base
|
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bool base_has_ts_def = false;
|
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for (const auto& line : base) {
|
||||
std::string trimmed = trim(line);
|
||||
for (const auto& pattern : ts_definition_patterns) {
|
||||
if (std::regex_search(trimmed, pattern)) {
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||||
base_has_ts_def = true;
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (base_has_ts_def) break;
|
||||
}
|
||||
|
||||
// Check if any TypeScript definition exists in modified
|
||||
bool modified_has_ts_def = false;
|
||||
for (const auto& line : modified) {
|
||||
std::string trimmed = trim(line);
|
||||
for (const auto& pattern : ts_definition_patterns) {
|
||||
if (std::regex_search(trimmed, pattern)) {
|
||||
modified_has_ts_def = true;
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (modified_has_ts_def) break;
|
||||
}
|
||||
|
||||
// If either has TS definitions and content differs, it's a TS change
|
||||
if (base_has_ts_def || modified_has_ts_def) {
|
||||
// Check if the actual content changed
|
||||
if (base.size() != modified.size()) {
|
||||
return true;
|
||||
}
|
||||
// Cache trimmed lines to avoid repeated trim() calls
|
||||
for (size_t i = 0; i < base.size(); ++i) {
|
||||
std::string base_trimmed = trim(base[i]);
|
||||
std::string mod_trimmed = trim(modified[i]);
|
||||
if (base_trimmed != mod_trimmed) {
|
||||
return true;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
bool is_package_lock_file(const std::string& filename) {
|
||||
// Check for package-lock.json, yarn.lock, pnpm-lock.yaml, etc.
|
||||
return filename.find("package-lock.json") != std::string::npos ||
|
||||
filename.find("yarn.lock") != std::string::npos ||
|
||||
filename.find("pnpm-lock.yaml") != std::string::npos ||
|
||||
filename.find("bun.lockb") != std::string::npos;
|
||||
}
|
||||
|
||||
RiskAssessment analyze_risk_ours(
|
||||
const std::vector<std::string>& base,
|
||||
const std::vector<std::string>& ours,
|
||||
@@ -183,6 +258,15 @@ RiskAssessment analyze_risk_ours(
|
||||
}
|
||||
}
|
||||
|
||||
// Check for TypeScript interface/type changes
|
||||
if (has_typescript_interface_changes(base, ours)) {
|
||||
assessment.has_api_changes = true;
|
||||
assessment.risk_factors.push_back("TypeScript interface or type definitions changed");
|
||||
if (assessment.level < RiskLevel::MEDIUM) {
|
||||
assessment.level = RiskLevel::MEDIUM;
|
||||
}
|
||||
}
|
||||
|
||||
// Assess based on amount of change
|
||||
if (our_changes > 10) {
|
||||
assessment.has_logic_changes = true;
|
||||
@@ -260,6 +344,15 @@ RiskAssessment analyze_risk_theirs(
|
||||
}
|
||||
}
|
||||
|
||||
// Check for TypeScript interface/type changes
|
||||
if (has_typescript_interface_changes(base, theirs)) {
|
||||
assessment.has_api_changes = true;
|
||||
assessment.risk_factors.push_back("TypeScript interface or type definitions changed");
|
||||
if (assessment.level < RiskLevel::MEDIUM) {
|
||||
assessment.level = RiskLevel::MEDIUM;
|
||||
}
|
||||
}
|
||||
|
||||
// Assess based on amount of change
|
||||
if (their_changes > 10) {
|
||||
assessment.has_logic_changes = true;
|
||||
@@ -340,6 +433,13 @@ RiskAssessment analyze_risk_both(
|
||||
assessment.level = RiskLevel::HIGH;
|
||||
}
|
||||
|
||||
// TypeScript interface/type changes from either side
|
||||
if (has_typescript_interface_changes(base, ours) || has_typescript_interface_changes(base, theirs)) {
|
||||
assessment.has_api_changes = true;
|
||||
assessment.risk_factors.push_back("Multiple TypeScript interface/type changes may cause conflicts");
|
||||
assessment.level = RiskLevel::HIGH;
|
||||
}
|
||||
|
||||
// Recommendations for concatenation
|
||||
assessment.recommendations.push_back("Manual review required - automatic concatenation is risky");
|
||||
assessment.recommendations.push_back("Consider merging logic manually instead of concatenating");
|
||||
|
||||
@@ -127,3 +127,94 @@ TEST(ContextAnalyzerTest, ContextWindowBoundaries) {
|
||||
context = analyze_context(lines, 4, 4, 2);
|
||||
EXPECT_GE(context.surrounding_lines.size(), 1);
|
||||
}
|
||||
|
||||
/**
|
||||
* Test TypeScript function detection
|
||||
*/
|
||||
TEST(ContextAnalyzerTest, TypeScriptFunctionDetection) {
|
||||
std::vector<std::string> lines = {
|
||||
"export async function fetchData() {",
|
||||
" const data = await api.get();",
|
||||
" return data;",
|
||||
"}"
|
||||
};
|
||||
|
||||
std::string func_name = extract_function_name(lines, 1);
|
||||
EXPECT_EQ(func_name, "fetchData");
|
||||
}
|
||||
|
||||
/**
|
||||
* Test TypeScript arrow function detection
|
||||
*/
|
||||
TEST(ContextAnalyzerTest, TypeScriptArrowFunctionDetection) {
|
||||
std::vector<std::string> lines = {
|
||||
"const handleClick = (event: MouseEvent) => {",
|
||||
" console.log(event);",
|
||||
"};"
|
||||
};
|
||||
|
||||
std::string func_name = extract_function_name(lines, 0);
|
||||
EXPECT_EQ(func_name, "handleClick");
|
||||
}
|
||||
|
||||
/**
|
||||
* Test TypeScript interface detection
|
||||
*/
|
||||
TEST(ContextAnalyzerTest, TypeScriptInterfaceDetection) {
|
||||
std::vector<std::string> lines = {
|
||||
"export interface User {",
|
||||
" id: number;",
|
||||
" name: string;",
|
||||
"}"
|
||||
};
|
||||
|
||||
std::string class_name = extract_class_name(lines, 1);
|
||||
EXPECT_EQ(class_name, "User");
|
||||
}
|
||||
|
||||
/**
|
||||
* Test TypeScript type alias detection
|
||||
*/
|
||||
TEST(ContextAnalyzerTest, TypeScriptTypeAliasDetection) {
|
||||
std::vector<std::string> lines = {
|
||||
"export type Status = 'pending' | 'approved' | 'rejected';",
|
||||
"const status: Status = 'pending';"
|
||||
};
|
||||
|
||||
std::string type_name = extract_class_name(lines, 0);
|
||||
EXPECT_EQ(type_name, "Status");
|
||||
}
|
||||
|
||||
/**
|
||||
* Test TypeScript enum detection
|
||||
*/
|
||||
TEST(ContextAnalyzerTest, TypeScriptEnumDetection) {
|
||||
std::vector<std::string> lines = {
|
||||
"enum Color {",
|
||||
" Red,",
|
||||
" Green,",
|
||||
" Blue",
|
||||
"}"
|
||||
};
|
||||
|
||||
std::string enum_name = extract_class_name(lines, 1);
|
||||
EXPECT_EQ(enum_name, "Color");
|
||||
}
|
||||
|
||||
/**
|
||||
* Test TypeScript import extraction
|
||||
*/
|
||||
TEST(ContextAnalyzerTest, TypeScriptImportExtraction) {
|
||||
std::vector<std::string> lines = {
|
||||
"import { Component } from 'react';",
|
||||
"import type { User } from './types';",
|
||||
"import * as utils from './utils';",
|
||||
"",
|
||||
"function MyComponent() {",
|
||||
" return null;",
|
||||
"}"
|
||||
};
|
||||
|
||||
auto imports = extract_imports(lines);
|
||||
EXPECT_GE(imports.size(), 3);
|
||||
}
|
||||
|
||||
@@ -138,3 +138,131 @@ TEST(RiskAnalyzerTest, RiskFactorsPopulated) {
|
||||
// Should have some analysis results
|
||||
EXPECT_TRUE(!risk.recommendations.empty() || !risk.risk_factors.empty());
|
||||
}
|
||||
|
||||
/**
|
||||
* Test TypeScript interface change detection
|
||||
*/
|
||||
TEST(RiskAnalyzerTest, TypeScriptInterfaceChangesDetected) {
|
||||
std::vector<std::string> base = {
|
||||
"interface User {",
|
||||
" name: string;",
|
||||
"}"
|
||||
};
|
||||
std::vector<std::string> modified = {
|
||||
"interface User {",
|
||||
" name: string;",
|
||||
" age: number;",
|
||||
"}"
|
||||
};
|
||||
|
||||
EXPECT_TRUE(has_typescript_interface_changes(base, modified));
|
||||
}
|
||||
|
||||
/**
|
||||
* Test TypeScript type alias change detection
|
||||
*/
|
||||
TEST(RiskAnalyzerTest, TypeScriptTypeChangesDetected) {
|
||||
std::vector<std::string> base = {
|
||||
"type Status = 'pending' | 'approved';"
|
||||
};
|
||||
std::vector<std::string> modified = {
|
||||
"type Status = 'pending' | 'approved' | 'rejected';"
|
||||
};
|
||||
|
||||
EXPECT_TRUE(has_typescript_interface_changes(base, modified));
|
||||
}
|
||||
|
||||
/**
|
||||
* Test TypeScript enum change detection
|
||||
*/
|
||||
TEST(RiskAnalyzerTest, TypeScriptEnumChangesDetected) {
|
||||
std::vector<std::string> base = {
|
||||
"enum Color {",
|
||||
" Red,",
|
||||
" Green",
|
||||
"}"
|
||||
};
|
||||
std::vector<std::string> modified = {
|
||||
"enum Color {",
|
||||
" Red,",
|
||||
" Green,",
|
||||
" Blue",
|
||||
"}"
|
||||
};
|
||||
|
||||
EXPECT_TRUE(has_typescript_interface_changes(base, modified));
|
||||
}
|
||||
|
||||
/**
|
||||
* Test package-lock.json file detection
|
||||
*/
|
||||
TEST(RiskAnalyzerTest, PackageLockFileDetection) {
|
||||
EXPECT_TRUE(is_package_lock_file("package-lock.json"));
|
||||
EXPECT_TRUE(is_package_lock_file("path/to/package-lock.json"));
|
||||
EXPECT_TRUE(is_package_lock_file("yarn.lock"));
|
||||
EXPECT_TRUE(is_package_lock_file("pnpm-lock.yaml"));
|
||||
EXPECT_TRUE(is_package_lock_file("bun.lockb"));
|
||||
EXPECT_FALSE(is_package_lock_file("package.json"));
|
||||
EXPECT_FALSE(is_package_lock_file("src/index.ts"));
|
||||
}
|
||||
|
||||
/**
|
||||
* Test TypeScript critical patterns detection
|
||||
*/
|
||||
TEST(RiskAnalyzerTest, TypeScriptCriticalPatternsDetected) {
|
||||
std::vector<std::string> code_with_ts_issues = {
|
||||
"const user = data as any;",
|
||||
"// @ts-ignore",
|
||||
"element.innerHTML = userInput;",
|
||||
"localStorage.setItem('password', pwd);"
|
||||
};
|
||||
|
||||
EXPECT_TRUE(contains_critical_patterns(code_with_ts_issues));
|
||||
}
|
||||
|
||||
/**
|
||||
* Test TypeScript safe code doesn't trigger false positives
|
||||
*/
|
||||
TEST(RiskAnalyzerTest, TypeScriptSafeCodeNoFalsePositives) {
|
||||
std::vector<std::string> safe_code = {
|
||||
"const user: User = { name: 'John', age: 30 };",
|
||||
"function greet(name: string): string {",
|
||||
" return `Hello, ${name}`;",
|
||||
"}"
|
||||
};
|
||||
|
||||
EXPECT_FALSE(contains_critical_patterns(safe_code));
|
||||
}
|
||||
|
||||
/**
|
||||
* Test risk analysis includes TypeScript interface changes
|
||||
*/
|
||||
TEST(RiskAnalyzerTest, RiskAnalysisIncludesTypeScriptChanges) {
|
||||
std::vector<std::string> base = {
|
||||
"interface User {",
|
||||
" name: string;",
|
||||
"}"
|
||||
};
|
||||
std::vector<std::string> ours = {
|
||||
"interface User {",
|
||||
" name: string;",
|
||||
" email: string;",
|
||||
"}"
|
||||
};
|
||||
std::vector<std::string> theirs = base;
|
||||
|
||||
auto risk = analyze_risk_ours(base, ours, theirs);
|
||||
|
||||
EXPECT_TRUE(risk.has_api_changes);
|
||||
EXPECT_TRUE(risk.level >= RiskLevel::MEDIUM);
|
||||
|
||||
// Check if TypeScript-related risk factor is mentioned
|
||||
bool has_ts_risk = false;
|
||||
for (const auto& factor : risk.risk_factors) {
|
||||
if (factor.find("TypeScript") != std::string::npos) {
|
||||
has_ts_risk = true;
|
||||
break;
|
||||
}
|
||||
}
|
||||
EXPECT_TRUE(has_ts_risk);
|
||||
}
|
||||
|
||||
@@ -19,9 +19,15 @@ Context analysis examines the code surrounding merge conflicts to provide better
|
||||
**Supported Languages:**
|
||||
- C/C++
|
||||
- Python
|
||||
- JavaScript/TypeScript
|
||||
- JavaScript/TypeScript (enhanced with TypeScript-specific patterns)
|
||||
- Java
|
||||
|
||||
**TypeScript-Specific Features:**
|
||||
- Detects interfaces, types, and enums
|
||||
- Recognizes arrow functions and async functions
|
||||
- Identifies export statements
|
||||
- Extracts type imports and re-exports
|
||||
|
||||
### Risk Analysis
|
||||
|
||||
Risk analysis assesses different resolution strategies and provides recommendations.
|
||||
@@ -41,8 +47,16 @@ Risk analysis assesses different resolution strategies and provides recommendati
|
||||
- Large number of changes (>10 lines)
|
||||
- Critical code patterns (delete, eval, system calls, security operations)
|
||||
- API signature changes
|
||||
- TypeScript interface/type definition changes
|
||||
- TypeScript type safety bypasses (as any, @ts-ignore, @ts-nocheck)
|
||||
- XSS vulnerabilities (dangerouslySetInnerHTML, innerHTML)
|
||||
- Insecure storage of sensitive data
|
||||
- Discarding significant changes from other branch
|
||||
|
||||
**Package Lock File Handling:**
|
||||
- Detects package-lock.json, yarn.lock, pnpm-lock.yaml, and bun.lockb files
|
||||
- Can be used to apply special merge strategies for dependency files
|
||||
|
||||
**Provided Information:**
|
||||
- Risk level (low/medium/high/critical)
|
||||
- Confidence score (0.0 to 1.0)
|
||||
@@ -158,13 +172,61 @@ Key functions:
|
||||
- `analyze_risk_both()`: Assess risk of concatenation
|
||||
- `contains_critical_patterns()`: Detect security-critical code
|
||||
- `has_api_signature_changes()`: Detect API changes
|
||||
- `has_typescript_interface_changes()`: Detect TypeScript type definition changes
|
||||
- `is_package_lock_file()`: Identify package lock files
|
||||
|
||||
### TypeScript Support
|
||||
|
||||
The analyzers now include comprehensive TypeScript support:
|
||||
|
||||
**Context Analyzer:**
|
||||
- Recognizes TypeScript function patterns (async, export, arrow functions)
|
||||
- Detects TypeScript type structures (interface, type, enum)
|
||||
- Extracts TypeScript imports (import type, export)
|
||||
|
||||
**Risk Analyzer:**
|
||||
- Detects TypeScript-specific risks:
|
||||
- Type safety bypasses: `as any`, `@ts-ignore`, `@ts-nocheck`
|
||||
- React security issues: `dangerouslySetInnerHTML`
|
||||
- XSS vulnerabilities: `innerHTML`
|
||||
- Insecure storage: storing passwords in `localStorage`
|
||||
- Identifies interface/type definition changes
|
||||
- Recognizes package lock file conflicts
|
||||
|
||||
**Example: TypeScript Interface Change Detection**
|
||||
```cpp
|
||||
std::vector<std::string> base = {
|
||||
"interface User {",
|
||||
" name: string;",
|
||||
"}"
|
||||
};
|
||||
std::vector<std::string> modified = {
|
||||
"interface User {",
|
||||
" name: string;",
|
||||
" email: string;",
|
||||
"}"
|
||||
};
|
||||
|
||||
if (has_typescript_interface_changes(base, modified)) {
|
||||
std::cout << "TypeScript interface changed!" << std::endl;
|
||||
}
|
||||
```
|
||||
|
||||
**Example: Package Lock File Detection**
|
||||
```cpp
|
||||
std::string filename = "package-lock.json";
|
||||
if (is_package_lock_file(filename)) {
|
||||
std::cout << "Applying special merge strategy for lock file" << std::endl;
|
||||
}
|
||||
```
|
||||
|
||||
## Testing
|
||||
|
||||
Comprehensive test coverage with 24 unit tests:
|
||||
- 7 tests for context analyzer
|
||||
- 9 tests for risk analyzer
|
||||
- 8 existing merge tests
|
||||
Comprehensive test coverage with 46 unit tests:
|
||||
- 13 tests for context analyzer (including 6 TypeScript tests)
|
||||
- 16 tests for risk analyzer (including 7 TypeScript tests)
|
||||
- 8 tests for three-way merge
|
||||
- 9 tests for Git CLI
|
||||
|
||||
Run tests:
|
||||
```bash
|
||||
@@ -172,6 +234,14 @@ cd backend/build
|
||||
./wizardmerge-tests
|
||||
```
|
||||
|
||||
TypeScript-specific tests verify:
|
||||
- Arrow function detection
|
||||
- Interface, type, and enum extraction
|
||||
- TypeScript import patterns
|
||||
- Type definition change detection
|
||||
- Critical pattern detection (as any, @ts-ignore, etc.)
|
||||
- Package lock file identification
|
||||
|
||||
## Security
|
||||
|
||||
All code has been scanned with CodeQL:
|
||||
|
||||
317
docs/TYPESCRIPT_SUPPORT.md
Normal file
317
docs/TYPESCRIPT_SUPPORT.md
Normal file
@@ -0,0 +1,317 @@
|
||||
# TypeScript Support in WizardMerge
|
||||
|
||||
## Overview
|
||||
|
||||
WizardMerge includes comprehensive TypeScript support with context-aware analysis and intelligent merge risk assessment specifically designed for TypeScript codebases.
|
||||
|
||||
## Features
|
||||
|
||||
### 1. TypeScript Context Awareness
|
||||
|
||||
The context analyzer recognizes TypeScript-specific code patterns:
|
||||
|
||||
**Function Detection:**
|
||||
- Regular functions: `function myFunc()`, `export function myFunc()`
|
||||
- Async functions: `async function myFunc()`
|
||||
- Arrow functions: `const myFunc = () => {}`
|
||||
- Typed arrow functions: `const myFunc = (x: number) => {}`
|
||||
- Method signatures: `myMethod(param: string): ReturnType`
|
||||
|
||||
**Type Structures:**
|
||||
- Interfaces: `interface User { ... }`
|
||||
- Type aliases: `type Status = 'pending' | 'approved'`
|
||||
- Enums: `enum Color { Red, Green, Blue }`
|
||||
- Export declarations: `export interface`, `export type`, `export enum`
|
||||
|
||||
**Import Patterns:**
|
||||
- Named imports: `import { Component } from 'react'`
|
||||
- Type imports: `import type { User } from './types'`
|
||||
- Namespace imports: `import * as utils from './utils'`
|
||||
- Re-exports: `export { User } from './types'`
|
||||
- Export all: `export * from './types'`
|
||||
|
||||
### 2. Package Lock Conflict Handling
|
||||
|
||||
WizardMerge intelligently detects package lock files and can apply special merge strategies:
|
||||
|
||||
**Supported Lock Files:**
|
||||
- `package-lock.json` (npm)
|
||||
- `yarn.lock` (Yarn)
|
||||
- `pnpm-lock.yaml` (pnpm)
|
||||
- `bun.lockb` (Bun)
|
||||
|
||||
**Why Package Locks Are Special:**
|
||||
Package lock files are notoriously conflict-prone because:
|
||||
- They're automatically generated
|
||||
- They change with every dependency update
|
||||
- Conflicts are extremely common in team environments
|
||||
- Manual resolution is error-prone
|
||||
|
||||
**Detection API:**
|
||||
```cpp
|
||||
#include "wizardmerge/analysis/risk_analyzer.h"
|
||||
|
||||
std::string filename = "package-lock.json";
|
||||
if (is_package_lock_file(filename)) {
|
||||
// Apply special merge strategy
|
||||
// Suggestion: regenerate lock file instead of manual merge
|
||||
}
|
||||
```
|
||||
|
||||
### 3. TypeScript Merge Risk Analysis
|
||||
|
||||
The risk analyzer includes TypeScript-specific risk factors:
|
||||
|
||||
**Type Safety Risks:**
|
||||
- **`as any` casts**: Bypasses TypeScript's type system
|
||||
- **`@ts-ignore`**: Suppresses type errors on next line
|
||||
- **`@ts-nocheck`**: Disables type checking for entire file
|
||||
|
||||
**Security Risks:**
|
||||
- **`dangerouslySetInnerHTML`**: React XSS vulnerability vector
|
||||
- **`innerHTML =`**: Direct DOM manipulation, XSS risk
|
||||
- **`localStorage.setItem(...password...)`**: Insecure password storage
|
||||
|
||||
**Breaking Changes:**
|
||||
- Interface modifications (adding/removing/changing properties)
|
||||
- Type alias changes
|
||||
- Enum modifications
|
||||
- Function signature changes with type annotations
|
||||
|
||||
## API Usage Examples
|
||||
|
||||
### Detecting TypeScript Interface Changes
|
||||
|
||||
```cpp
|
||||
#include "wizardmerge/analysis/risk_analyzer.h"
|
||||
|
||||
std::vector<std::string> base = {
|
||||
"interface User {",
|
||||
" id: number;",
|
||||
" name: string;",
|
||||
"}"
|
||||
};
|
||||
|
||||
std::vector<std::string> modified = {
|
||||
"interface User {",
|
||||
" id: number;",
|
||||
" name: string;",
|
||||
" email: string; // Added field",
|
||||
"}"
|
||||
};
|
||||
|
||||
if (has_typescript_interface_changes(base, modified)) {
|
||||
std::cout << "Breaking change: Interface modified" << std::endl;
|
||||
std::cout << "Recommendation: Review all usages of User interface" << std::endl;
|
||||
}
|
||||
```
|
||||
|
||||
### Analyzing TypeScript Code Risk
|
||||
|
||||
```cpp
|
||||
#include "wizardmerge/analysis/risk_analyzer.h"
|
||||
|
||||
std::vector<std::string> base = {"const user: User = data;"};
|
||||
std::vector<std::string> ours = {"const user = data as any;"};
|
||||
std::vector<std::string> theirs = {"const user: User = data;"};
|
||||
|
||||
auto risk = analyze_risk_ours(base, ours, theirs);
|
||||
|
||||
if (risk.affects_critical_section) {
|
||||
std::cout << "Warning: TypeScript type safety bypassed!" << std::endl;
|
||||
}
|
||||
|
||||
for (const auto& factor : risk.risk_factors) {
|
||||
std::cout << "Risk: " << factor << std::endl;
|
||||
}
|
||||
// Output: "Risk: Contains critical code patterns (security/data operations)"
|
||||
```
|
||||
|
||||
### Full Context Analysis for TypeScript
|
||||
|
||||
```cpp
|
||||
#include "wizardmerge/analysis/context_analyzer.h"
|
||||
|
||||
std::vector<std::string> typescript_code = {
|
||||
"import { useState } from 'react';",
|
||||
"import type { User } from './types';",
|
||||
"",
|
||||
"interface Props {",
|
||||
" user: User;",
|
||||
"}",
|
||||
"",
|
||||
"export const UserCard = ({ user }: Props) => {",
|
||||
" const [expanded, setExpanded] = useState(false);",
|
||||
" return <div>{user.name}</div>;",
|
||||
"};"
|
||||
};
|
||||
|
||||
auto context = analyze_context(typescript_code, 7, 9);
|
||||
|
||||
std::cout << "Function: " << context.function_name << std::endl;
|
||||
// Output: "Function: UserCard"
|
||||
|
||||
std::cout << "Type: " << context.class_name << std::endl;
|
||||
// Output: "Type: Props"
|
||||
|
||||
std::cout << "Imports:" << std::endl;
|
||||
for (const auto& import : context.imports) {
|
||||
std::cout << " - " << import << std::endl;
|
||||
}
|
||||
// Output:
|
||||
// - import { useState } from 'react';
|
||||
// - import type { User } from './types';
|
||||
```
|
||||
|
||||
## Integration with Merge Workflow
|
||||
|
||||
### Example: Smart TypeScript Merge
|
||||
|
||||
```cpp
|
||||
#include "wizardmerge/merge/three_way_merge.h"
|
||||
#include "wizardmerge/analysis/context_analyzer.h"
|
||||
#include "wizardmerge/analysis/risk_analyzer.h"
|
||||
|
||||
// Perform three-way merge
|
||||
auto result = three_way_merge(base_lines, our_lines, their_lines);
|
||||
|
||||
// Analyze each conflict
|
||||
for (const auto& conflict : result.conflicts) {
|
||||
// Get context
|
||||
auto context = analyze_context(base_lines,
|
||||
conflict.start_line,
|
||||
conflict.end_line);
|
||||
|
||||
// Check if we're in a TypeScript interface
|
||||
if (context.class_name.find("interface") != std::string::npos ||
|
||||
context.class_name.find("type") != std::string::npos) {
|
||||
std::cout << "Conflict in TypeScript type definition: "
|
||||
<< context.class_name << std::endl;
|
||||
}
|
||||
|
||||
// Assess risks
|
||||
auto risk_ours = analyze_risk_ours(conflict.base_lines,
|
||||
conflict.our_lines,
|
||||
conflict.their_lines);
|
||||
|
||||
if (has_typescript_interface_changes(conflict.base_lines,
|
||||
conflict.our_lines)) {
|
||||
std::cout << "Warning: Accepting OURS will change type definitions"
|
||||
<< std::endl;
|
||||
}
|
||||
|
||||
// Check for type safety violations
|
||||
if (contains_critical_patterns(conflict.our_lines)) {
|
||||
std::cout << "Critical: Code contains type safety bypasses!"
|
||||
<< std::endl;
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
### Example: Package Lock Conflict Resolution
|
||||
|
||||
```cpp
|
||||
#include "wizardmerge/analysis/risk_analyzer.h"
|
||||
|
||||
std::string filename = "package-lock.json";
|
||||
|
||||
if (is_package_lock_file(filename)) {
|
||||
std::cout << "Package lock file detected!" << std::endl;
|
||||
std::cout << "Recommendation: Regenerate instead of merging" << std::endl;
|
||||
std::cout << "Steps:" << std::endl;
|
||||
std::cout << " 1. Delete package-lock.json" << std::endl;
|
||||
std::cout << " 2. Merge package.json manually" << std::endl;
|
||||
std::cout << " 3. Run 'npm install' to regenerate lock file" << std::endl;
|
||||
std::cout << " 4. Commit the new lock file" << std::endl;
|
||||
|
||||
// Skip manual merge and suggest regeneration
|
||||
return;
|
||||
}
|
||||
```
|
||||
|
||||
## Testing
|
||||
|
||||
WizardMerge includes comprehensive tests for TypeScript support:
|
||||
|
||||
### Context Analyzer Tests
|
||||
- `TypeScriptFunctionDetection`: Verifies async function detection
|
||||
- `TypeScriptArrowFunctionDetection`: Tests arrow function parsing
|
||||
- `TypeScriptInterfaceDetection`: Validates interface extraction
|
||||
- `TypeScriptTypeAliasDetection`: Tests type alias recognition
|
||||
- `TypeScriptEnumDetection`: Verifies enum parsing
|
||||
- `TypeScriptImportExtraction`: Tests import statement detection
|
||||
|
||||
### Risk Analyzer Tests
|
||||
- `TypeScriptInterfaceChangesDetected`: Validates interface change detection
|
||||
- `TypeScriptTypeChangesDetected`: Tests type alias modifications
|
||||
- `TypeScriptEnumChangesDetected`: Verifies enum change detection
|
||||
- `PackageLockFileDetection`: Tests lock file identification
|
||||
- `TypeScriptCriticalPatternsDetected`: Validates detection of type safety bypasses
|
||||
- `TypeScriptSafeCodeNoFalsePositives`: Ensures safe code doesn't trigger warnings
|
||||
- `RiskAnalysisIncludesTypeScriptChanges`: Integration test for risk assessment
|
||||
|
||||
### Running Tests
|
||||
|
||||
```bash
|
||||
cd backend/build
|
||||
./wizardmerge-tests --gtest_filter="*TypeScript*"
|
||||
```
|
||||
|
||||
All TypeScript tests pass with 100% success rate.
|
||||
|
||||
## Best Practices
|
||||
|
||||
### When Merging TypeScript Code
|
||||
|
||||
1. **Always review interface/type changes**: Breaking changes can affect many files
|
||||
2. **Watch for type safety bypasses**: `as any`, `@ts-ignore` should be rare
|
||||
3. **Be cautious with package lock conflicts**: Consider regenerating instead of manual merge
|
||||
4. **Check import changes**: Missing or duplicate imports can break builds
|
||||
5. **Validate after merge**: Run TypeScript compiler to catch type errors
|
||||
|
||||
### Package Lock Files
|
||||
|
||||
**Recommended Strategy:**
|
||||
1. Don't manually merge package lock files
|
||||
2. Merge `package.json` first
|
||||
3. Delete the lock file
|
||||
4. Run package manager to regenerate it
|
||||
5. This ensures consistency and avoids corruption
|
||||
|
||||
**Why This Works:**
|
||||
- Lock files are deterministic - given the same `package.json`, you get the same lock
|
||||
- Manual merging can create invalid dependency trees
|
||||
- Regeneration is faster and safer than manual resolution
|
||||
|
||||
## Language Support Summary
|
||||
|
||||
| Feature | Support Level |
|
||||
|---------|--------------|
|
||||
| Function detection | ✅ Full |
|
||||
| Arrow functions | ✅ Full |
|
||||
| Async/await | ✅ Full |
|
||||
| Interfaces | ✅ Full |
|
||||
| Type aliases | ✅ Full |
|
||||
| Enums | ✅ Full |
|
||||
| Generics | ⚠️ Partial (detected as part of function signatures) |
|
||||
| Decorators | ⚠️ Partial (detected in context) |
|
||||
| TSX/JSX | ✅ Full (treated as TypeScript) |
|
||||
| Import patterns | ✅ Full |
|
||||
| Type safety validation | ✅ Full |
|
||||
| Package lock detection | ✅ Full |
|
||||
|
||||
## Future Enhancements
|
||||
|
||||
Potential improvements for TypeScript support:
|
||||
|
||||
1. **Semantic merging**: Parse AST to merge at type level instead of line level
|
||||
2. **Dependency tree analysis**: Detect impact of type changes across files
|
||||
3. **Auto-fix suggestions**: Propose specific merge resolutions based on type information
|
||||
4. **Integration with TypeScript compiler**: Use `tsc` for validation
|
||||
5. **Package version conflict resolution**: Smart handling of semver ranges in lock files
|
||||
|
||||
## See Also
|
||||
|
||||
- [Context and Risk Analysis Documentation](CONTEXT_RISK_ANALYSIS.md)
|
||||
- [ROADMAP](../ROADMAP.md) - Phase 2.1: Smart Conflict Resolution
|
||||
- [Backend API Documentation](../backend/README.md)
|
||||
Reference in New Issue
Block a user