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<h1><a href="../../../index.html">All files</a> / <a href="index.html">src/tools/audit</a> metrics.ts</h1>
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<span class="strong">0% </span>
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<span class='fraction'>0/14</span>
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<span class="cline-any cline-neutral"> </span></td><td class="text"><pre class="prettyprint lang-js">/**
* Audit Metrics Collection
*
* Collects project-wide metrics:
* - Lines of Code (LOC)
* - Cyclomatic Complexity
* - File counts
* - Test coverage (placeholder)
*/
import { existsSync, readdirSync, readFileSync } from 'fs';
import { join } from 'path';
export interface ProjectMetrics {
loc: {
total: number;
byFile: Record<string, number>;
average: number;
};
complexity: {
total: number;
byFile: Record<string, number>;
average: number;
max: number;
maxFile: string;
};
files: {
total: number;
gdscript: number;
scenes: number;
resources: number;
};
testCoverage: number; // Percentage (0-100)
}
/**
* Collect comprehensive project metrics
*/
export async function <span class="fstat-no" title="function not covered" >collectMetrics(</span>
projectPath: string,
files: string[]
): Promise<ProjectMetrics> {
const metrics: ProjectMetrics = <span class="cstat-no" title="statement not covered" >{</span>
loc: { total: 0, byFile: {}, average: 0 },
complexity: { total: 0, byFile: {}, average: 0, max: 0, maxFile: '' },
files: { total: files.length, gdscript: 0, scenes: 0, resources: 0 },
testCoverage: 0,
};
// Filter by file type
const gdFiles = <span class="cstat-no" title="statement not covered" >files.filter(<span class="fstat-no" title="function not covered" >(f</span>) => <span class="cstat-no" title="statement not covered" >f.endsWith('.gd'))</span>;</span>
const sceneFiles = <span class="cstat-no" title="statement not covered" >files.filter(<span class="fstat-no" title="function not covered" >(f</span>) => <span class="cstat-no" title="statement not covered" >f.endsWith('.tscn'))</span>;</span>
const resourceFiles = <span class="cstat-no" title="statement not covered" >files.filter(<span class="fstat-no" title="function not covered" >(f</span>) => <span class="cstat-no" title="statement not covered" >f.endsWith('.tres'))</span>;</span>
<span class="cstat-no" title="statement not covered" > metrics.files.gdscript = gdFiles.length;</span>
<span class="cstat-no" title="statement not covered" > metrics.files.scenes = sceneFiles.length;</span>
<span class="cstat-no" title="statement not covered" > metrics.files.resources = resourceFiles.length;</span>
// Analyze GDScript files
<span class="cstat-no" title="statement not covered" > for (const file of gdFiles) {</span>
const filePath = <span class="cstat-no" title="statement not covered" >join(projectPath, file);</span>
<span class="cstat-no" title="statement not covered" > try {</span>
const source = <span class="cstat-no" title="statement not covered" >readFileSync(filePath, 'utf-8');</span>
// Count lines of code
const lines = <span class="cstat-no" title="statement not covered" >source.split('\n').length;</span>
<span class="cstat-no" title="statement not covered" > metrics.loc.total += lines;</span>
<span class="cstat-no" title="statement not covered" > metrics.loc.byFile[file] = lines;</span>
// Calculate cyclomatic complexity (simplified)
const complexityScore = <span class="cstat-no" title="statement not covered" >calculateComplexity(source);</span>
<span class="cstat-no" title="statement not covered" > metrics.complexity.total += complexityScore;</span>
<span class="cstat-no" title="statement not covered" > metrics.complexity.byFile[file] = complexityScore;</span>
<span class="cstat-no" title="statement not covered" > <span class="missing-if-branch" title="if path not taken" >I</span>if (complexityScore > metrics.complexity.max) {</span>
<span class="cstat-no" title="statement not covered" > metrics.complexity.max = complexityScore;</span>
<span class="cstat-no" title="statement not covered" > metrics.complexity.maxFile = file;</span>
}
} catch {
// Skip unreadable files
}
}
// Calculate averages
<span class="cstat-no" title="statement not covered" > <span class="missing-if-branch" title="if path not taken" >I</span>if (gdFiles.length > 0) {</span>
<span class="cstat-no" title="statement not covered" > metrics.loc.average = Math.round(metrics.loc.total / gdFiles.length);</span>
<span class="cstat-no" title="statement not covered" > metrics.complexity.average = Math.round(</span>
metrics.complexity.total / gdFiles.length
);
}
// Estimate test coverage (count test files vs. source files)
const testFiles = <span class="cstat-no" title="statement not covered" >files.filter(<span class="fstat-no" title="function not covered" >(f</span>) => <span class="cstat-no" title="statement not covered" >f.includes('/test/') || f.includes('_test.gd'))</span>;</span>
const sourceFiles = <span class="cstat-no" title="statement not covered" >gdFiles.filter(<span class="fstat-no" title="function not covered" >(f</span>) => <span class="cstat-no" title="statement not covered" >!f.includes('/test/') && !f.includes('_test.gd'))</span>;</span>
<span class="cstat-no" title="statement not covered" > <span class="missing-if-branch" title="if path not taken" >I</span>if (sourceFiles.length > 0) {</span>
<span class="cstat-no" title="statement not covered" > metrics.testCoverage = Math.round((testFiles.length / sourceFiles.length) * 100);</span>
<span class="cstat-no" title="statement not covered" > metrics.testCoverage = Math.min(100, metrics.testCoverage); </span>// Cap at 100%
}
<span class="cstat-no" title="statement not covered" > return metrics;</span>
}
/**
* Calculate cyclomatic complexity for source code
*
* Simplified metric: count control flow statements
* - Base complexity: 1
* - +1 for each: if, elif, for, while, match, and, or
*/
function <span class="fstat-no" title="function not covered" >calculateComplexity(</span>source: string): number {
let complexity = <span class="cstat-no" title="statement not covered" >1;</span> // Base complexity
// Count control flow keywords
const controlFlowPatterns = <span class="cstat-no" title="statement not covered" >[</span>
/\bif\b/g,
/\belif\b/g,
/\bfor\b/g,
/\bwhile\b/g,
/\bmatch\b/g,
/\band\b/g,
/\bor\b/g,
];
<span class="cstat-no" title="statement not covered" > for (const pattern of controlFlowPatterns) {</span>
const matches = <span class="cstat-no" title="statement not covered" >source.match(pattern);</span>
<span class="cstat-no" title="statement not covered" > <span class="missing-if-branch" title="if path not taken" >I</span>if (matches) {</span>
<span class="cstat-no" title="statement not covered" > complexity += matches.length;</span>
}
}
<span class="cstat-no" title="statement not covered" > return complexity;</span>
}
/**
* Calculate file-level complexity breakdown
*/
export function <span class="fstat-no" title="function not covered" >getComplexityBreakdown(</span>metrics: ProjectMetrics): {
low: number;
medium: number;
high: number;
} {
const breakdown = <span class="cstat-no" title="statement not covered" >{ low: 0, medium: 0, high: 0 };</span>
<span class="cstat-no" title="statement not covered" > for (const complexity of Object.values(metrics.complexity.byFile)) {</span>
<span class="cstat-no" title="statement not covered" > if (complexity <= 10) {</span>
<span class="cstat-no" title="statement not covered" > breakdown.low++;</span>
} else <span class="cstat-no" title="statement not covered" >if (complexity <= 20) {</span>
<span class="cstat-no" title="statement not covered" > breakdown.medium++;</span>
} else {
<span class="cstat-no" title="statement not covered" > breakdown.high++;</span>
}
}
<span class="cstat-no" title="statement not covered" > return breakdown;</span>
}
/**
* Get top N most complex files
*/
export function <span class="fstat-no" title="function not covered" >getTopComplexFiles(</span>
metrics: ProjectMetrics,
n: number = <span class="branch-0 cbranch-no" title="branch not covered" >10</span>
): Array<{ file: string; complexity: number }> {
const entries = <span class="cstat-no" title="statement not covered" >Object.entries(metrics.complexity.byFile);</span>
<span class="cstat-no" title="statement not covered" > entries.sort(<span class="fstat-no" title="function not covered" >(a</span>, b) => <span class="cstat-no" title="statement not covered" >b[1] - a[1])</span>;</span>
<span class="cstat-no" title="statement not covered" > return entries.slice(0, n).map(<span class="fstat-no" title="function not covered" >([</span>file, complexity]) => (<span class="cstat-no" title="statement not covered" >{</span></span>
file,
complexity,
}));
}
/**
* Get top N largest files
*/
export function <span class="fstat-no" title="function not covered" >getTopLargestFiles(</span>
metrics: ProjectMetrics,
n: number = <span class="branch-0 cbranch-no" title="branch not covered" >10</span>
): Array<{ file: string; loc: number }> {
const entries = <span class="cstat-no" title="statement not covered" >Object.entries(metrics.loc.byFile);</span>
<span class="cstat-no" title="statement not covered" > entries.sort(<span class="fstat-no" title="function not covered" >(a</span>, b) => <span class="cstat-no" title="statement not covered" >b[1] - a[1])</span>;</span>
<span class="cstat-no" title="statement not covered" > return entries.slice(0, n).map(<span class="fstat-no" title="function not covered" >([</span>file, loc]) => (<span class="cstat-no" title="statement not covered" >{</span></span>
file,
loc,
}));
}
</pre></td></tr></table></pre>
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