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sleppslepp
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Refactor analyzer into modules and add EJS template
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15 files changed

+5038
-3819
lines changed

15 files changed

+5038
-3819
lines changed

‎analyze.mjs‎

Lines changed: 176 additions & 3811 deletions
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‎lib/analyze.mjs‎

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import { exec } from './exec.mjs';
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import { startSpan } from './tracing.mjs';
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import { runCounter } from './counter.mjs';
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export function analyzeCommits(repoDir, commits, existingResults = [], options) {
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const { emitProgress, jsonProgress, counterTool } = options;
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const span = startSpan('analyzer.analyze_commits', {
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'analyzer.commits.new': commits.length,
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'analyzer.commits.existing': existingResults.length
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});
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if (!jsonProgress) {
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console.log(`\n🔍 Analyzing ${commits.length} commits...\n`);
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}
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const results = [...existingResults];
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const allLanguages = new Set();
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for (const result of existingResults) {
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Object.keys(result.languages).forEach(lang => allLanguages.add(lang));
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}
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const startTime = Date.now();
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const totalCommits = commits.length;
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try {
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for (let i = 0; i < commits.length; i++) {
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const commit = commits[i];
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const progress = `[${i + 1}/${commits.length}]`;
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const commitProgress = 15 + Math.floor((i / totalCommits) * 70);
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if (!jsonProgress) {
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process.stdout.write(`${progress} ${commit.hash.substring(0, 8)} (${commit.date})...`);
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}
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emitProgress('analyzing', commitProgress, `Analyzing commit ${i + 1} of ${totalCommits}`, {
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current_commit: i + 1,
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total_commits: totalCommits,
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commit_hash: commit.hash.substring(0, 8),
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commit_date: commit.date
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});
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exec(`git -C "${repoDir}" checkout -q ${commit.hash}`, { silent: true });
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const counterData = runCounter(repoDir, { tool: counterTool, emitProgress, jsonProgress });
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Object.keys(counterData.languages).forEach(lang => allLanguages.add(lang));
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let totalLines = 0;
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let totalFiles = 0;
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let totalBytes = 0;
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for (const lang in counterData.languages) {
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totalLines += counterData.languages[lang].code || 0;
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totalFiles += counterData.languages[lang].files || 0;
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totalBytes += counterData.languages[lang].bytes || 0;
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}
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results.push({
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commit: commit.hash,
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date: commit.date,
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message: commit.message,
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analysis: counterData.analysis,
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languages: counterData.languages,
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totalLines,
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totalFiles,
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totalBytes
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});
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if (!jsonProgress) {
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process.stdout.write(' ✓\n');
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}
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}
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const elapsedSeconds = (Date.now() - startTime) / 1000;
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if (commits.length > 0) {
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if (!jsonProgress) {
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console.log(`\n✓ Analysis complete (${elapsedSeconds.toFixed(2)}s)`);
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console.log(`📊 Languages found: ${Array.from(allLanguages).sort().join(', ')}`);
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}
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emitProgress('analyzing', 85, 'Analysis complete', {
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elapsed_seconds: elapsedSeconds,
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languages: Array.from(allLanguages).sort()
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});
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}
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if (results.length === 0) {
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span.setAttributes({
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'analyzer.languages.count': 0,
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'analyzer.total_lines': 0,
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'analyzer.duration_seconds': elapsedSeconds
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});
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span.setStatus('ok');
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return {
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results: [],
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allLanguages: [],
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analysisTime: elapsedSeconds
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};
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}
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const finalCommit = results[results.length - 1];
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let totalLinesInFinal = 0;
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for (const lang in finalCommit.languages) {
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totalLinesInFinal += finalCommit.languages[lang].code;
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}
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const languageOrder = Array.from(allLanguages).sort((a, b) => {
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const linesA = finalCommit.languages[a]?.code || 0;
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const linesB = finalCommit.languages[b]?.code || 0;
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const percA = totalLinesInFinal > 0 ? (linesA / totalLinesInFinal) : 0;
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const percB = totalLinesInFinal > 0 ? (linesB / totalLinesInFinal) : 0;
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if (percB !== percA) {
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return percB - percA;
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}
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return a.localeCompare(b);
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});
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span.setAttributes({
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'analyzer.languages.count': allLanguages.size,
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'analyzer.total_lines': totalLinesInFinal,
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'analyzer.duration_seconds': elapsedSeconds
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});
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span.setStatus('ok');
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return {
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results,
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allLanguages: languageOrder,
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analysisTime: elapsedSeconds
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};
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} catch (err) {
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span.setStatus('error', err.message);
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span.recordException(err);
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throw err;
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} finally {
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span.end();
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}
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}

‎lib/audio.mjs‎

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import { AUDIO_MAX_VOICES, AUDIO_DETUNE_MAX } from './constants.mjs';
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/**
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* Compute pre-baked audio data for all commits and all metrics.
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* This moves audio state calculation from browser runtime to build time.
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*/
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export function computeAudioData(results, allLanguages) {
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if (results.length === 0) return [];
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const metrics = ['lines', 'files', 'bytes'];
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const metricKeys = { lines: 'code', files: 'files', bytes: 'bytes' };
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const minMax = {};
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for (const metric of metrics) {
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let min = Infinity;
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let max = 0;
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for (const commit of results) {
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let total = 0;
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for (const lang in commit.languages) {
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total += commit.languages[lang][metricKeys[metric]] || 0;
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}
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min = Math.min(min, total);
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max = Math.max(max, total);
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}
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minMax[metric] = { min, max };
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}
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const audioData = [];
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const maxVoices = Math.min(allLanguages.length, AUDIO_MAX_VOICES);
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for (let i = 0; i < results.length; i++) {
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const commit = results[i];
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const prevCommit = i > 0 ? results[i - 1] : null;
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const frameData = {};
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for (const metric of metrics) {
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const key = metricKeys[metric];
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const { min, max } = minMax[metric];
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let total = 0;
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for (const lang in commit.languages) {
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total += commit.languages[lang][key] || 0;
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}
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const masterIntensity = max > min
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? Math.round(((total - min) / (max - min)) * 100) / 100
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: 1;
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const activeVoices = [];
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for (let v = 0; v < maxVoices; v++) {
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const lang = allLanguages[v];
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const value = commit.languages[lang]?.[key] || 0;
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const prevValue = prevCommit?.languages[lang]?.[key] || 0;
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const gain = total > 0 ? value / total : 0;
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if (gain === 0) continue;
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let detune = 0;
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if (prevCommit && prevValue > 0) {
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const growthRate = (value - prevValue) / prevValue;
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detune = Math.max(-AUDIO_DETUNE_MAX, Math.min(AUDIO_DETUNE_MAX, growthRate * AUDIO_DETUNE_MAX));
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} else if (value > 0 && prevValue === 0) {
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detune = AUDIO_DETUNE_MAX * 0.5;
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}
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activeVoices.push([v, Math.round(gain * 100) / 100, Math.round(detune * 10) / 10]);
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}
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frameData[metric] = [masterIntensity, ...activeVoices];
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}
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audioData.push(frameData);
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}
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return audioData;
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}

‎lib/constants.mjs‎

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export const SCHEMA_VERSION = '2.2';
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export const DEFAULT_COUNTER_TOOL = 'scc';
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// Exclude directories for code counting (common build/dependency folders)
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export const EXCLUDE_DIRS = [
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'node_modules',
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'.git',
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'dist',
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'build',
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'target',
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'pkg',
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'.venv',
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'venv',
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'__pycache__',
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'.pytest_cache',
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'.mypy_cache',
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'vendor'
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];
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// Audio sonification constants (used for pre-computing audio data)
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export const AUDIO_MAX_VOICES = 16; // Max languages with audio
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export const AUDIO_DETUNE_MAX = 25; // Max pitch variation in cents (+/- 25)

‎lib/counter.mjs‎

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import { EXCLUDE_DIRS } from './constants.mjs';
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import { exec } from './exec.mjs';
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function emptyAnalysis(tool) {
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return {
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languages: {},
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analysis: {
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elapsed_seconds: 0,
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n_files: 0,
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n_lines: 0,
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files_per_second: 0,
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lines_per_second: 0,
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counter_tool: tool,
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counter_version: 'unknown'
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}
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};
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}
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function runScc(repoDir, { emitProgress, jsonProgress }) {
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try {
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const startTime = Date.now();
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const excludeArgs = EXCLUDE_DIRS.map(d => `--exclude-dir "${d}"`).join(' ');
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const result = exec(
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`scc "${repoDir}" --format json --no-cocomo ${excludeArgs} --count-as "editorconfig:INI"`,
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{ silent: true, ignoreError: true }
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);
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const elapsedSeconds = (Date.now() - startTime) / 1000;
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if (!result) {
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return {
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languages: {},
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analysis: {
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elapsed_seconds: elapsedSeconds,
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n_files: 0,
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n_lines: 0,
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files_per_second: 0,
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lines_per_second: 0,
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counter_tool: 'scc',
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counter_version: 'unknown'
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}
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};
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}
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const data = JSON.parse(result);
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let totalFiles = 0;
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let totalLines = 0;
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const languages = {};
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for (const entry of data) {
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const langName = entry.Name;
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languages[langName] = {
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files: entry.Count || 0,
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blank: entry.Blank || 0,
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comment: entry.Comment || 0,
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code: entry.Code || 0,
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complexity: entry.Complexity || 0,
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bytes: entry.Bytes || 0,
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lines: entry.Lines || 0
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};
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totalFiles += entry.Count || 0;
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totalLines += entry.Lines || 0;
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}
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const analysis = {
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elapsed_seconds: elapsedSeconds,
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n_files: totalFiles,
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n_lines: totalLines,
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files_per_second: elapsedSeconds > 0 ? totalFiles / elapsedSeconds : 0,
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lines_per_second: elapsedSeconds > 0 ? totalLines / elapsedSeconds : 0,
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counter_tool: 'scc',
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counter_version: '3.x'
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};
79+
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return { languages, analysis };
81+
} catch (error) {
82+
if (!jsonProgress) {
83+
console.error(` ⚠ Warning: scc failed - ${error.message}`);
84+
} else {
85+
emitProgress('analyzing', 0, 'scc failed', { error: error.message });
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}
87+
return emptyAnalysis('scc');
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}
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}
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function runCloc(repoDir, { emitProgress, jsonProgress }) {
92+
try {
93+
const excludeDirs = EXCLUDE_DIRS.join(',');
94+
const result = exec(
95+
`cloc "${repoDir}" --json --quiet --exclude-dir=${excludeDirs}`,
96+
{ silent: true, ignoreError: true }
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);
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if (!result) {
100+
return emptyAnalysis('cloc');
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}
102+
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const data = JSON.parse(result);
104+
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const header = data.header || {};
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const analysis = {
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elapsed_seconds: header.elapsed_seconds || 0,
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n_files: header.n_files || 0,
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n_lines: header.n_lines || 0,
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files_per_second: header.files_per_second || 0,
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lines_per_second: header.lines_per_second || 0,
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counter_tool: 'cloc',
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counter_version: header.cloc_version || 'unknown'
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};
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const languages = {};
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for (const [lang, stats] of Object.entries(data)) {
118+
if (lang !== 'header' && lang !== 'SUM') {
119+
languages[lang] = {
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files: stats.nFiles || 0,
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blank: stats.blank || 0,
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comment: stats.comment || 0,
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code: stats.code || 0
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};
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}
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}
127+
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return { languages, analysis };
129+
} catch (error) {
130+
if (!jsonProgress) {
131+
console.error(` ⚠ Warning: cloc failed - ${error.message}`);
132+
} else {
133+
emitProgress('analyzing', 0, 'cloc failed', { error: error.message });
134+
}
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return emptyAnalysis('cloc');
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}
137+
}
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export function runCounter(repoDir, { tool, emitProgress, jsonProgress }) {
140+
if (tool === 'scc') {
141+
return runScc(repoDir, { emitProgress, jsonProgress });
142+
}
143+
return runCloc(repoDir, { emitProgress, jsonProgress });
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}

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