Upgrade conf

Fixes #103
Closes #130

index.d.ts

@@ -1,15 +1,11 @@
 /// <reference types="node"/>
-import EventEmitter = require('events');
 import {Except} from 'type-fest';
-import Conf = require('conf');
+import Conf, {Schema as ConfSchema, Options as ConfOptions} from 'conf';
 
 declare namespace ElectronStore {
-	type Schema = Conf.Schema;
+	type Schema<T> = ConfSchema<T>;
 
-	type Options<T> = Except<
-		Conf.Options<T>,
-		'configName' | 'projectName' | 'projectVersion' | 'projectSuffix'
-	> & {
+	type Options<T> = Except<ConfOptions<T>, 'configName' | 'projectName' | 'projectVersion' | 'projectSuffix'> & {
 		/**
 		Name of the storage file (without extension).
 
@@ -24,7 +20,7 @@ declare namespace ElectronStore {
 /**
 Simple data persistence for your [Electron](https://electronjs.org) app or module - Save and load user preferences, app state, cache, etc.
 */
-declare class ElectronStore<T = any> extends Conf<T> {
+declare class ElectronStore<T extends Record<string, any> = Record<string, unknown>> extends Conf<T> {
 	/**
 	Changes are written to disk atomically, so if the process crashes during a write, it will not corrupt the existing store.
 

index.test-d.ts

@@ -1,8 +1,8 @@
-import {expectType} from 'tsd';
+import {expectType, expectAssignable} from 'tsd';
 import Store = require('.');
 
-new Store({defaults: {}});
-new Store({name: 'myConfiguration'});
+new Store({defaults: {}}); // eslint-disable-line no-new
+new Store({name: 'myConfiguration'}); // eslint-disable-line no-new
 
 const store = new Store();
 
@@ -20,20 +20,20 @@ store.clear();
 
 store.openInEditor();
 
-store.size;
-store.store;
+store.size; // eslint-disable-line @typescript-eslint/no-unused-expressions
+store.store; // eslint-disable-line @typescript-eslint/no-unused-expressions
 
 store.store = {
 	foo: 'bar'
 };
 
-store.path;
+store.path; // eslint-disable-line @typescript-eslint/no-unused-expressions
 
-type Schema = Store.Schema;
+type Schema<T> = Store.Schema<T>;
 
 type TypedStore = {
-	isEnabled: boolean,
-	interval: number
+	isEnabled: boolean;
+	interval: number;
 };
 
 const typedStore = new Store<TypedStore>({
@@ -43,7 +43,9 @@ const typedStore = new Store<TypedStore>({
 	}
 });
 
+// TODO: This should not be `| undefined`.
 expectType<number>(typedStore.get('interval'));
+
 const isEnabled = false;
 typedStore.set('isEnabled', isEnabled);
 typedStore.set({
@@ -59,5 +61,5 @@ const offDidChange = typedStore.onDidChange(
 	}
 );
 
-expectType<() => void>(offDidChange);
+expectAssignable<() => void>(offDidChange);
 offDidChange();

package.json

@@ -34,15 +34,15 @@
 		"save"
 	],
 	"dependencies": {
-		"conf": "^6.2.1",
-		"type-fest": "^0.7.1"
+		"conf": "^7.1.1",
+		"type-fest": "^0.16.0"
 	},
 	"devDependencies": {
 		"ava": "^2.1.0",
-		"electron": "^6.0.7",
-		"execa": "^2.0.4",
-		"tsd": "^0.11.0",
-		"xo": "^0.24.0"
+		"electron": "^9.1.0",
+		"execa": "^4.0.3",
+		"tsd": "^0.13.1",
+		"xo": "^0.32.1"
 	},
 	"xo": {
 		"envs": [