refactor into a generic outputter

src/restore.ts

@@ -1,22 +1,8 @@
-import * as core from "@actions/core";
-
-import { Inputs } from "./constants";
+import { StateOutputSetter } from "./outputSetter";
 import run from "./restoreImpl";
-import * as utils from "./utils/actionUtils";
 
 async function restore(): Promise<void> {
-    const cacheKey = await run();
-    if (cacheKey) {
-        // Store the matched cache key in states
-        utils.setCacheState(cacheKey);
-
-        const isExactKeyMatch = utils.isExactKeyMatch(
-            core.getInput(Inputs.Key, { required: true }),
-            cacheKey
-        );
-        utils.setCacheHitOutput(isExactKeyMatch);
-        core.info(`Cache restored from key: ${cacheKey}`);
-    }
+    await run(new StateOutputSetter());
 }
 
 export default restore;