Rename server => modules

modules/actions/serveMetadata.js

@@ -0,0 +1,44 @@
+const path = require("path");
+
+const addLeadingSlash = require("../utils/addLeadingSlash");
+
+function getMatchingEntries(entry, entries) {
+  const dirname = entry.name || ".";
+
+  return Object.keys(entries)
+    .filter(name => entry.name !== name && path.dirname(name) === dirname)
+    .map(name => entries[name]);
+}
+
+function getMetadata(entry, entries) {
+  const metadata = {
+    path: addLeadingSlash(entry.name),
+    type: entry.type
+  };
+
+  if (entry.type === "file") {
+    metadata.contentType = entry.contentType;
+    metadata.integrity = entry.integrity;
+    metadata.lastModified = entry.lastModified;
+    metadata.size = entry.size;
+  } else if (entry.type === "directory") {
+    metadata.files = getMatchingEntries(entry, entries).map(e =>
+      getMetadata(e, entries)
+    );
+  }
+
+  return metadata;
+}
+
+function serveMetadata(req, res) {
+  const metadata = getMetadata(req.entry, req.entries);
+
+  res
+    .set({
+      "Cache-Control": "public,max-age=31536000", // 1 year
+      "Cache-Tag": "meta"
+    })
+    .send(metadata);
+}
+
+module.exports = serveMetadata;