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feat(cli): display scan time, memory usage, and file counts #14

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Merged
merged 1 commit into from
Nov 5, 2025
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feat(cli): display scan time, memory usage, and file counts #14

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14 changes: 14 additions & 0 deletions src/scanner.js
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Original file line number Diff line number Diff line change
Expand Up @@ -92,11 +92,15 @@ function findMatchesInFile(content, rules) {
}

async function run({ configPath = null, staged = false, verbose = false } = {}) {
const startTime = process.hrtime.bigint();
const startMem = process.memoryUsage().heapUsed;

const config = loadConfig(configPath);
const rules = config.rules || [];
const files = listFiles({ staged, ignoreFiles: config.ignoreFiles });

const findings = [];
let filesScanned = 0;
for (const file of files) {
// small optimization: skip binary-ish files by extension
const ext = path.extname(file).toLowerCase();
Expand All @@ -109,6 +113,7 @@ async function run({ configPath = null, staged = false, verbose = false } = {})
if (verbose) console.warn('skip file', file, err.message);
continue;
}
filesScanned++;
const fileFindings = findMatchesInFile(content, rules);
if (fileFindings.length > 0) {
findings.push({ file, matches: fileFindings });
Expand All @@ -128,6 +133,15 @@ async function run({ configPath = null, staged = false, verbose = false } = {})
}
}

const endTime = process.hrtime.bigint();
const endMem = process.memoryUsage().heapUsed;
const durationMs = Number(endTime - startTime) / 1e6;
const memMB = (endMem - startMem) / 1024 / 1024;
console.log(chalk.cyanBright(`\nScan stats:`));
console.log(chalk.cyan(` Files scanned: ${filesScanned}`));
console.log(chalk.cyan(` Time taken: ${durationMs.toFixed(1)} ms`));
console.log(chalk.cyan(` Memory used: ${memMB.toFixed(2)} MB`));

return { findings };
}

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