Refactor script into separate modules

src/index.ts

@@ -0,0 +1,61 @@
+import * as pathMod from "path";
+import * as fs from "fs";
+import * as yaml from "js-yaml";
+
+export const REPO = pathMod.dirname(__dirname);
+export const DELAY_BETWEEN_GAMES_MS = 250;
+
+export class UnsupportedError extends Error {
+    constructor(message?: string) {
+        super(message);
+        Object.setPrototypeOf(this, new.target.prototype);
+    }
+}
+
+export class UnsupportedOsError extends UnsupportedError {
+    constructor(message?: string) {
+        super(message);
+        Object.setPrototypeOf(this, new.target.prototype);
+    }
+}
+
+export class UnsupportedPathError extends UnsupportedError {
+    constructor(message?: string) {
+        super(message);
+        Object.setPrototypeOf(this, new.target.prototype);
+    }
+}
+
+export enum PathType {
+    FileSystem,
+    Registry,
+}
+
+export abstract class YamlFile<T = object> {
+    data: T;
+    abstract path: string;
+    abstract defaultData: T;
+
+    load(): void {
+        if (fs.existsSync(this.path)) {
+            this.data = yaml.safeLoad(fs.readFileSync(this.path, "utf8"));
+        } else {
+            this.data = this.defaultData;
+        }
+    }
+
+    save(): void {
+        fs.writeFileSync(
+            this.path,
+            yaml.safeDump(
+                this.data,
+                {
+                    sortKeys: true,
+                    indent: 2,
+                    skipInvalid: true,
+                    lineWidth: 120,
+                }
+            )
+        );
+    }
+}