Turn on promise-function-async and init-declarations and satisfy them with async functions and null-initialized lets

tests/workflow.test.ts

@@ -40,7 +40,11 @@ const findStep = (steps: Mapping[], key: string, value: string): Mapping => {
 test("all committed YAML parses", async () => {
   const files = await yamlFiles();
   assert(files.length > 0);
-  await Promise.all(files.map((file) => yaml(file)));
+  await Promise.all(
+    files.map(async (file) => {
+      await yaml(file);
+    }),
+  );
 });
 
 test("the action exposes only the master key and scopes it to preparation", async () => {
@@ -94,7 +98,12 @@ test("the source protection script stages immutable action files", async () => {
       "profiles.json",
       "prompt.md",
     ];
-    const stats = await Promise.all(files.map((file) => stat(`${path}/${file}`)));
+    const stats = await Promise.all(
+      files.map(async (file) => {
+        const info = await stat(`${path}/${file}`);
+        return info;
+      }),
+    );
     for (const [index, info] of stats.entries()) {
       assert(info.isFile(), files[index]);
       expect(info.mode & 0o022, files[index]).toStrictEqual(0);
@@ -110,7 +119,12 @@ test("module-relative runtime assets exist", async () => {
   const assets = [...source.matchAll(/new URL\("(?<asset>[^"]+)", import\.meta\.url\)/gu)].map(
     ([, asset = ""]) => new URL(asset, module),
   );
-  const stats = await Promise.all(assets.map((asset) => stat(asset)));
+  const stats = await Promise.all(
+    assets.map(async (asset) => {
+      const info = await stat(asset);
+      return info;
+    }),
+  );
   for (const [index, info] of stats.entries()) {
     assert(info.isFile(), assets[index]?.pathname);
   }