wehub-resource-sync
76 lines
2.9 KiB
JavaScript
76 lines
2.9 KiB
JavaScript
#!/usr/bin/env node
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// scripts/check/check-duplication.mjs
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// Catraca de duplicação de código. Roda jscpd@4 (PINADO — o v5 é um rewrite Rust com
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// CLI/JSON incompatíveis) sobre src+open-sse e compara a % atual contra um baseline
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// congelado (duplication-baseline.json). Falha se a duplicação SUBIR. Ataca a assinatura
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// nº1 de slop de IA (GitClear 2026: duplicação 4-8x na era IA) — no nosso caso, o
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// copy-paste dos executors (48/50 sobrescrevem execute() inteiro). --update ratcheta.
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import fs from "node:fs";
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import os from "node:os";
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import path from "node:path";
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import { execFileSync } from "node:child_process";
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import { pathToFileURL } from "node:url";
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const ROOT = process.cwd();
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const BASELINE_PATH = path.resolve(
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process.argv.includes("--baseline")
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? process.argv[process.argv.indexOf("--baseline") + 1]
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: path.join(ROOT, "config/quality/duplication-baseline.json")
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);
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const UPDATE = process.argv.includes("--update");
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const EPS = 0.05; // tolerância de ruído de float (jscpd é determinístico; isto é margem)
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// Use local binary (pinned in package.json devDependencies — no registry download at CI time)
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const JSCPD_BIN = path.join(ROOT, "node_modules", ".bin", "jscpd");
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const JSCPD_FIXED_ARGS = [
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"src",
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"open-sse",
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"--reporters",
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"json",
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"--silent",
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"--min-tokens",
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"50",
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"--ignore",
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"**/*.test.ts,**/*.test.tsx,**/__tests__/**",
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];
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/** Avalia a % atual contra o baseline. */
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export function evaluateDuplication(current, baseline, eps = EPS) {
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return {
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regressed: current > baseline + eps,
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improved: current < baseline - eps,
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};
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}
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function measureDuplicationPct() {
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const out = fs.mkdtempSync(path.join(os.tmpdir(), "jscpd-"));
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execFileSync(JSCPD_BIN, [...JSCPD_FIXED_ARGS, "--output", out], { stdio: "ignore" });
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const report = JSON.parse(fs.readFileSync(path.join(out, "jscpd-report.json"), "utf8"));
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return report.statistics.total.percentage;
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}
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function main() {
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if (!fs.existsSync(BASELINE_PATH)) {
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console.error(`[duplication] FAIL — ${path.basename(BASELINE_PATH)} ausente.`);
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process.exit(2);
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}
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const baseline = JSON.parse(fs.readFileSync(BASELINE_PATH, "utf8"));
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const current = measureDuplicationPct();
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const { regressed, improved } = evaluateDuplication(current, baseline.percentage, EPS);
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if (UPDATE && improved) {
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baseline.percentage = current;
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fs.writeFileSync(BASELINE_PATH, JSON.stringify(baseline, null, 2) + "\n");
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console.log(`[duplication] baseline ratcheado: ${current}% (era ${baseline.percentage}%)`);
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}
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if (regressed) {
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console.error(
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`[duplication] REGRESSÃO — ${current}% > baseline ${baseline.percentage}% (+${EPS} tolerância)\n` +
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` → extraia o trecho duplicado (helper compartilhado) ou ajuste duplication-baseline.json com justificativa.`
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);
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process.exit(1);
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}
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console.log(`[duplication] OK — ${current}% (baseline ${baseline.percentage}%)`);
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}
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if (import.meta.url === pathToFileURL(process.argv[1] || "").href) main();
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