1 files changed, 88 insertions, 0 deletions
diff --git a/packages/telemetry/src/config.ts b/packages/telemetry/src/config.ts
new file mode 100644
index 000000000..359b1e11f
--- /dev/null
+++ b/packages/telemetry/src/config.ts
@@ -0,0 +1,88 @@
+import fs from 'node:fs';
+import os from 'node:os';
+import path from 'node:path';
+import process from 'node:process';
+import dget from 'dlv';
+import { dset } from 'dset';
+
+interface ConfigOptions {
+	name: string;
+}
+
+// Adapted from https://github.com/sindresorhus/env-paths
+function getConfigDir(name: string) {
+	const homedir = os.homedir();
+	const macos = () => path.join(homedir, 'Library', 'Preferences', name);
+	const win = () => {
+		const { APPDATA = path.join(homedir, 'AppData', 'Roaming') } = process.env;
+		return path.join(APPDATA, name, 'Config');
+	};
+	const linux = () => {
+		const { XDG_CONFIG_HOME = path.join(homedir, '.config') } = process.env;
+		return path.join(XDG_CONFIG_HOME, name);
+	};
+	// eslint-disable-next-line @typescript-eslint/switch-exhaustiveness-check
+	switch (process.platform) {
+		case 'darwin':
+			return macos();
+		case 'win32':
+			return win();
+		default:
+			return linux();
+	}
+}
+
+export class GlobalConfig {
+	private dir: string;
+	private file: string;
+
+	constructor(private project: ConfigOptions) {
+		this.dir = getConfigDir(this.project.name);
+		this.file = path.join(this.dir, 'config.json');
+	}
+
+	private _store?: Record<string, any>;
+	private get store(): Record<string, any> {
+		if (this._store) return this._store;
+		this.ensureDir();
+		if (fs.existsSync(this.file)) {
+			try {
+				this._store = JSON.parse(fs.readFileSync(this.file).toString());
+			} catch {}
+		}
+		if (!this._store) {
+			this._store = {};
+			this.write();
+		}
+		return this._store;
+	}
+	private set store(value: Record<string, any>) {
+		this._store = value;
+		this.write();
+	}
+	private ensureDir() {
+		fs.mkdirSync(this.dir, { recursive: true });
+	}
+	write() {
+		fs.writeFileSync(this.file, JSON.stringify(this.store, null, '\t'));
+	}
+	clear(): void {
+		this.store = {};
+		fs.rmSync(this.file, { recursive: true });
+	}
+	delete(key: string): boolean {
+		dset(this.store, key, undefined);
+		this.write();
+		return true;
+	}
+	get(key: string): any {
+		return dget(this.store, key);
+	}
+	has(key: string): boolean {
+		return typeof this.get(key) !== 'undefined';
+	}
+	set(key: string, value: any): void {
+		dset(this.store, key, value);
+		this.write();
+	}
+}