chore: import upstream snapshot with attribution

.github/actions/check-component-ids/utils.js

@@ -0,0 +1,66 @@
+const fs = require("fs");
+const path = require("path");
+
+const EXTENSIONS = [".js", ".jsx", ".ts", ".tsx"];
+// Skip test files — they don't need registered componentIds
+const TEST_PATTERN = /\.test\.[jt]sx?$/;
+
+const EXTRACT_PATTERNS = [
+  /(?:componentId|data-component-id)=["']([^"']+)["']/g,
+  /componentId:\s*["']([^"']+)["']/g,
+  // Match static strings inside JSX expressions like componentId={"value"},
+  // componentId={cond ?? "fallback"}, componentId={cond ? "a" : "b"}, etc.
+  // Uses [^\n}]* to avoid matching across lines.
+  /componentId=\{[^\n}]*["']([^"'\n`]+)["'][^\n}]*\}/g,
+];
+
+function findFiles(dir) {
+  const results = [];
+  function walk(d) {
+    for (const entry of fs.readdirSync(d, { withFileTypes: true })) {
+      const full = path.join(d, entry.name);
+      if (entry.isDirectory() && !entry.name.startsWith(".") && entry.name !== "node_modules") {
+        walk(full);
+      } else if (
+        entry.isFile() &&
+        EXTENSIONS.some((ext) => full.endsWith(ext)) &&
+        !TEST_PATTERN.test(full)
+      ) {
+        results.push(full);
+      }
+    }
+  }
+  walk(dir);
+  return results;
+}
+
+function extractComponentIds(files) {
+  const ids = new Set();
+  for (const file of files) {
+    const content = fs.readFileSync(file, "utf8");
+    for (const pat of EXTRACT_PATTERNS) {
+      pat.lastIndex = 0;
+      let m;
+      while ((m = pat.exec(content)) !== null) {
+        ids.add(m[1]);
+      }
+    }
+  }
+  return ids;
+}
+
+/**
+ * Extract all static componentIds from the MLflow UI source directory.
+ * @param {string} actionDir - path to this action's directory (used to resolve the repo root)
+ * @returns {Set<string>} set of componentId strings found in source
+ */
+function extractComponentIdsFromSource(actionDir) {
+  const srcDir = path.resolve(
+    process.env.GITHUB_WORKSPACE || path.join(actionDir, "../../.."),
+    "mlflow/server/js/src"
+  );
+  const files = findFiles(srcDir);
+  return extractComponentIds(files);
+}
+
+module.exports = { extractComponentIdsFromSource };