chore(readme): add dynamic coverage badge

2026-08-03 07:41:04 +02:00 · 2026-03-16 20:55:01 +08:00
parent 81f67ee287
commit d08becf4b2
4 changed files with 96 additions and 0 deletions
@@ -0,0 +1,51 @@
+import fs from "fs";
+import path from "path";
+
+const CWD = process.cwd();
+const COVERAGE_SUMMARY_PATHS = [
+  path.join(CWD, "coverage", "coverage-summary.json"),
+  path.join(CWD, "src", "coverage", "coverage-summary.json"),
+];
+const BADGE_OUTPUT_PATH = path.join(CWD, "badges", "coverage.json");
+
+const coverageSummaryPath = COVERAGE_SUMMARY_PATHS.find((candidate) => fs.existsSync(candidate));
+if (!coverageSummaryPath) {
+  const checkedPaths = COVERAGE_SUMMARY_PATHS.map((candidate) => `"${candidate}"`).join(", ");
+  console.error(`[coverage-badge] Missing coverage summary. Checked: ${checkedPaths}.`);
+  process.exit(1);
+}
+
+const summary = JSON.parse(fs.readFileSync(coverageSummaryPath, "utf8"));
+const lineCoveragePct = summary?.total?.lines?.pct;
+if (typeof lineCoveragePct !== "number") {
+  console.error(`[coverage-badge] Missing total.lines.pct in "${coverageSummaryPath}".`);
+  process.exit(1);
+}
+
+const roundedPct = Number(lineCoveragePct.toFixed(1));
+const color =
+  lineCoveragePct >= 95
+    ? "brightgreen"
+    : lineCoveragePct >= 90
+      ? "green"
+      : lineCoveragePct >= 80
+        ? "yellowgreen"
+        : lineCoveragePct >= 70
+          ? "yellow"
+          : lineCoveragePct >= 60
+            ? "orange"
+            : "red";
+
+const badge = {
+  schemaVersion: 1,
+  label: "coverage",
+  message: `${roundedPct}%`,
+  color,
+};
+
+fs.mkdirSync(path.dirname(BADGE_OUTPUT_PATH), { recursive: true });
+fs.writeFileSync(BADGE_OUTPUT_PATH, `${JSON.stringify(badge, null, 2)}\n`);
+
+console.log(
+  `[coverage-badge] Wrote "${BADGE_OUTPUT_PATH}" from "${coverageSummaryPath}" (${roundedPct}%).`,
+);