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35743bd | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 | import { existsSync, readFileSync, writeFileSync } from "node:fs";
import path from "node:path";
function getArg(name, fallbackValue = "") {
const index = process.argv.indexOf(name);
if (index === -1 || index === process.argv.length - 1) {
return fallbackValue;
}
return process.argv[index + 1];
}
function formatPercent(value) {
return `${Number(value ?? 0).toFixed(2)}%`;
}
const inputPath = getArg("--input", "coverage/coverage-summary.json");
const outputPath = getArg("--output", "");
const threshold = Number(getArg("--threshold", "60"));
if (!existsSync(inputPath)) {
console.error(`Coverage summary file not found: ${inputPath}`);
process.exit(1);
}
const summary = JSON.parse(readFileSync(inputPath, "utf8"));
const cwd = process.cwd();
const metrics = [
["lines", "Lines"],
["statements", "Statements"],
["functions", "Functions"],
["branches", "Branches"],
];
const total = summary.total ?? {};
const gatePassed = metrics.every(([metric]) => (total[metric]?.pct ?? 0) >= threshold);
const files = Object.entries(summary)
.filter(([name]) => name !== "total" && /\.(?:[cm]?[jt]sx?)$/.test(name))
.map(([name, stats]) => {
const relativeName = path.relative(cwd, name);
const totalLines = stats.lines?.total ?? 0;
const coveredLines = stats.lines?.covered ?? 0;
return {
name: relativeName,
lines: stats.lines?.pct ?? 0,
branches: stats.branches?.pct ?? 0,
functions: stats.functions?.pct ?? 0,
missingLines: Math.max(totalLines - coveredLines, 0),
};
})
.sort((left, right) => {
if (left.lines !== right.lines) return left.lines - right.lines;
if (left.branches !== right.branches) return left.branches - right.branches;
return right.missingLines - left.missingLines;
})
.slice(0, 15);
const report = [
"# Coverage Report",
"",
`Gate: ${gatePassed ? "PASS" : "FAIL"} at ${threshold}% minimum for lines, statements, functions, and branches.`,
"",
"## Totals",
"",
"| Metric | Covered | Total | Percent | Threshold | Status |",
"| --- | ---: | ---: | ---: | ---: | --- |",
...metrics.map(([metric, label]) => {
const covered = total[metric]?.covered ?? 0;
const totalCount = total[metric]?.total ?? 0;
const pct = total[metric]?.pct ?? 0;
const status = pct >= threshold ? "PASS" : "FAIL";
return `| ${label} | ${covered} | ${totalCount} | ${formatPercent(pct)} | ${threshold}% | ${status} |`;
}),
"",
"## Lowest Coverage Files",
"",
"| File | Lines | Branches | Functions | Missing Lines |",
"| --- | ---: | ---: | ---: | ---: |",
...files.map(
(entry) =>
`| \`${entry.name}\` | ${formatPercent(entry.lines)} | ${formatPercent(entry.branches)} | ${formatPercent(entry.functions)} | ${entry.missingLines} |`
),
];
const reportContent = `${report.join("\n")}\n`;
if (outputPath) {
writeFileSync(outputPath, reportContent);
} else {
process.stdout.write(reportContent);
}
|