Refactor

src/context.ts

@@ -0,0 +1,17 @@
+import * as core from '@actions/core';
+
+export interface Inputs {
+  registry: string;
+  username: string;
+  password: string;
+  logout: string;
+}
+
+export async function getInputs(): Promise<Inputs> {
+  return {
+    registry: core.getInput('registry'),
+    username: core.getInput('username'),
+    password: core.getInput('password', {required: true}),
+    logout: core.getInput('logout')
+  };
+}