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<h1><a href="../../index.html">All files</a> / <a href="index.html">src/tools</a> suggest_refactoring.ts</h1>
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<span class="strong">0% </span>
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<span class='fraction'>0/15</span>
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<span class="cline-any cline-neutral"> </span></td><td class="text"><pre class="prettyprint lang-js">/**
* CTS Suggest Refactoring Tool
* AI-powered refactoring suggestions for signal names
*
* NOTE: This tool currently uses TreeSitterBridge (native bindings).
* Migration to WASM parser (utils/tree_sitter.ts) is planned for future releases.
* See: docs/mcp_upgrade_plan.md Tier 1 Task 3
*/
import { z } from 'zod';
import { ToolDefinition, ToolHandler } from '../types.js';
import { validateToolResponse, SuggestRefactoringResponseSchema } from '../schemas.js';
import { Errors } from '../errors.js';
import { TreeSitterBridge } from '../artifacts/parsers/tree_sitter_bridge.js';
import { ProjectScanner } from '../artifacts/scanner/index.js';
import { SignalGraphBuilder } from '../artifacts/graph/index.js';
import { SignalExtractor } from '../artifacts/parsers/signal_extractor.js';
import { RefactoringEngine } from '../artifacts/refactoring/index.js';
import { PerformanceMonitor } from '../artifacts/monitoring/index.js';
const SuggestRefactoringParamsSchema = <span class="cstat-no" title="statement not covered" >z.object({</span>
projectPath: z.string().describe('Path to Godot project directory'),
minConfidence: z.number().min(0).max(1).default(0.95).describe('Minimum confidence threshold for suggestions'),
maxSuggestions: z.number().min(1).max(100).default(20).describe('Maximum number of suggestions to return'),
includeRename: z.boolean().default(true).describe('Include naming convention rename suggestions'),
includeMerge: z.boolean().default(true).describe('Include signal merge suggestions'),
includeDeprecate: z.boolean().default(false).describe('Include deprecation suggestions'),
});
export const suggestRefactoringTool: ToolDefinition = <span class="cstat-no" title="statement not covered" >{</span>
name: 'CTS_Suggest_Refactoring',
description: 'Generate AI-powered refactoring suggestions for signal names using Levenshtein similarity detection and GDScript naming validation',
inputSchema: {
type: 'object',
properties: {
projectPath: {
type: 'string',
description: 'Path to Godot project directory',
},
minConfidence: {
type: 'number',
description: 'Minimum confidence threshold (0.0-1.0) for suggestions',
default: 0.95,
minimum: 0.0,
maximum: 1.0,
},
maxSuggestions: {
type: 'number',
description: 'Maximum number of suggestions to return',
default: 20,
minimum: 1,
maximum: 100,
},
includeRename: {
type: 'boolean',
description: 'Include naming convention rename suggestions',
default: true,
},
includeMerge: {
type: 'boolean',
description: 'Include signal merge suggestions for similar names',
default: true,
},
includeDeprecate: {
type: 'boolean',
description: 'Include deprecation suggestions',
default: false,
},
},
required: ['projectPath'],
},
};
/**
* Create tool handler
*/
export function <span class="fstat-no" title="function not covered" >createSuggestRefactoringHandler(</span>): ToolHandler {
const monitor = <span class="cstat-no" title="statement not covered" >new PerformanceMonitor();</span>
// Simple cache: projectPath → { graph, timestamp }
const graphCache = <span class="cstat-no" title="statement not covered" >new Map<string, { graph: any; timestamp: number }>();</span>
const CACHE_TTL = <span class="cstat-no" title="statement not covered" >5 * 60 * 1000;</span> // 5 minutes
<span class="cstat-no" title="statement not covered" > return <span class="fstat-no" title="function not covered" >async </span>(args: Record<string, unknown>) => {</span>
const startTime = <span class="cstat-no" title="statement not covered" >Date.now();</span>
const params = <span class="cstat-no" title="statement not covered" >SuggestRefactoringParamsSchema.parse(args);</span>
<span class="cstat-no" title="statement not covered" > console.error(`[CTS Refactor] Generating suggestions for ${params.projectPath}`);</span>
<span class="cstat-no" title="statement not covered" > console.error(`[CTS Refactor] Min confidence: ${params.minConfidence}, Max suggestions: ${params.maxSuggestions}`);</span>
// Check cache
const cached = <span class="cstat-no" title="statement not covered" >graphCache.get(params.projectPath);</span>
const now = <span class="cstat-no" title="statement not covered" >Date.now();</span>
let graph;
<span class="cstat-no" title="statement not covered" > if (cached && (now - cached.timestamp) < CACHE_TTL) {</span>
<span class="cstat-no" title="statement not covered" > console.error('[CTS Refactor] Using cached signal graph');</span>
<span class="cstat-no" title="statement not covered" > graph = cached.graph;</span>
} else {
// Build graph
<span class="cstat-no" title="statement not covered" > console.error('[CTS Refactor] Building signal graph...');</span>
const bridge = <span class="cstat-no" title="statement not covered" >new TreeSitterBridge();</span>
const extractor = <span class="cstat-no" title="statement not covered" >new SignalExtractor();</span>
const scanner = <span class="cstat-no" title="statement not covered" >new ProjectScanner(bridge);</span>
const builder = <span class="cstat-no" title="statement not covered" >new SignalGraphBuilder(extractor);</span>
const scanResult = <span class="cstat-no" title="statement not covered" >await monitor.monitorOperation('refactor_scan', <span class="fstat-no" title="function not covered" >async </span>() => {</span>
<span class="cstat-no" title="statement not covered" > return await scanner.scanProject(params.projectPath);</span>
});
<span class="cstat-no" title="statement not covered" > graph = await monitor.monitorOperation('refactor_graph', <span class="fstat-no" title="function not covered" >async </span>() => {</span>
<span class="cstat-no" title="statement not covered" > return await builder.buildFullGraph(scanResult);</span>
});
// Update cache
<span class="cstat-no" title="statement not covered" > graphCache.set(params.projectPath, { graph, timestamp: now });</span>
<span class="cstat-no" title="statement not covered" > console.error(`[CTS Refactor] Graph cached for ${params.projectPath}`);</span>
}
// Generate suggestions
<span class="cstat-no" title="statement not covered" > console.error('[CTS Refactor] Generating refactoring suggestions...');</span>
const engine = <span class="cstat-no" title="statement not covered" >new RefactoringEngine();</span>
const allSuggestions = <span class="cstat-no" title="statement not covered" >await monitor.monitorOperation('generate_suggestions', <span class="fstat-no" title="function not covered" >async </span>() => {</span>
<span class="cstat-no" title="statement not covered" > return await engine.generateSuggestions(graph);</span>
});
// Filter by type and confidence
let filteredSuggestions = <span class="cstat-no" title="statement not covered" >allSuggestions.filter(<span class="fstat-no" title="function not covered" >s </span>=> <span class="cstat-no" title="statement not covered" >s.confidence >= params.minConfidence)</span>;</span>
<span class="cstat-no" title="statement not covered" > <span class="missing-if-branch" title="if path not taken" >I</span>if (!params.includeRename) {</span>
<span class="cstat-no" title="statement not covered" > filteredSuggestions = filteredSuggestions.filter(<span class="fstat-no" title="function not covered" >s </span>=> <span class="cstat-no" title="statement not covered" >s.type !== 'rename')</span>;</span>
}
<span class="cstat-no" title="statement not covered" > <span class="missing-if-branch" title="if path not taken" >I</span>if (!params.includeMerge) {</span>
<span class="cstat-no" title="statement not covered" > filteredSuggestions = filteredSuggestions.filter(<span class="fstat-no" title="function not covered" >s </span>=> <span class="cstat-no" title="statement not covered" >s.type !== 'merge')</span>;</span>
}
<span class="cstat-no" title="statement not covered" > <span class="missing-if-branch" title="if path not taken" >I</span>if (!params.includeDeprecate) {</span>
<span class="cstat-no" title="statement not covered" > filteredSuggestions = filteredSuggestions.filter(<span class="fstat-no" title="function not covered" >s </span>=> <span class="cstat-no" title="statement not covered" >s.type !== 'deprecate')</span>;</span>
}
// Sort by confidence (descending) and limit
const topSuggestions = <span class="cstat-no" title="statement not covered" >filteredSuggestions</span>
.sort(<span class="fstat-no" title="function not covered" >(a</span>, b) => <span class="cstat-no" title="statement not covered" >b.confidence - a.confidence)</span>
.slice(0, params.maxSuggestions);
<span class="cstat-no" title="statement not covered" > console.error(`[CTS Refactor] Generated ${topSuggestions.length} suggestions (filtered from ${allSuggestions.length})`);</span>
const totalDuration = <span class="cstat-no" title="statement not covered" >Date.now() - startTime;</span>
// Format results using BaseToolResponse pattern
const response = <span class="cstat-no" title="statement not covered" >{</span>
success: true as const,
timestamp: new Date().toISOString(),
toolName: 'CTS_Suggest_Refactoring' as const,
duration_ms: totalDuration,
result: {
projectPath: params.projectPath,
suggestions: topSuggestions.map(<span class="fstat-no" title="function not covered" >(s</span>: any) => (<span class="cstat-no" title="statement not covered" >{</span>
type: s.type,
target: s.target,
replacement: s.replacement,
confidence: s.confidence,
reason: s.reason,
affectedFiles: s.affectedFiles || [],
estimatedImpact: s.estimatedImpact || 'medium',
})),
summary: {
totalGenerated: allSuggestions.length,
afterFiltering: filteredSuggestions.length,
returned: topSuggestions.length,
byType: {
merge: allSuggestions.filter(<span class="fstat-no" title="function not covered" >(s</span>: any) => <span class="cstat-no" title="statement not covered" >s.type === 'merge')</span>.length,
rename: allSuggestions.filter(<span class="fstat-no" title="function not covered" >(s</span>: any) => <span class="cstat-no" title="statement not covered" >s.type === 'rename')</span>.length,
deprecate: allSuggestions.filter(<span class="fstat-no" title="function not covered" >(s</span>: any) => <span class="cstat-no" title="statement not covered" >s.type === 'deprecate')</span>.length,
},
avgConfidence: topSuggestions.length > 0
? topSuggestions.reduce(<span class="fstat-no" title="function not covered" >(s</span>um: number, s: any) => <span class="cstat-no" title="statement not covered" >sum + s.confidence,</span> 0) / topSuggestions.length
: 0,
},
performance: {
scanTime: monitor.getMetricsForOperation('refactor_scan')[0]?.duration || 0,
graphTime: monitor.getMetricsForOperation('refactor_graph')[0]?.duration || 0,
suggestionTime: monitor.getMetricsForOperation('generate_suggestions')[0]?.duration || 0,
cacheHit: !!cached,
},
},
};
// Validate response format
const validation = <span class="cstat-no" title="statement not covered" >validateToolResponse('CTS_Suggest_Refactoring', response);</span>
<span class="cstat-no" title="statement not covered" > <span class="missing-if-branch" title="if path not taken" >I</span>if (!validation.valid) {</span>
<span class="cstat-no" title="statement not covered" > throw Errors.validationError(</span>
'response',
'SuggestRefactoringResponse',
validation.errors?.errors[0]?.message || 'Unknown validation error'
);
}
<span class="cstat-no" title="statement not covered" > return response;</span>
};
}
</pre></td></tr></table></pre>
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