Add .reset() method (#84)

Co-authored-by: Sindre Sorhus <sindresorhus@gmail.com>

fixture.js

@@ -11,12 +11,27 @@ process.on('uncaughtException', error => {
 
 const store = new Store({name: 'electron-store'});
 
+const storeWithSchema = new Store({
+	name: 'electron-store-with-schema',
+	schema: {
+		foo: {
+			default: 42
+		}
+	}
+});
+
 store.set('unicorn', '🦄');
 assert.strictEqual(store.get('unicorn'), '🦄');
 
 store.delete('unicorn');
 assert.strictEqual(store.get('unicorn'), undefined);
 
+storeWithSchema.set('foo', 77);
+assert.strictEqual(storeWithSchema.get('foo'), 77);
+
+storeWithSchema.reset('foo');
+assert.strictEqual(storeWithSchema.get('foo'), 42);
+
 // To be checked in AVA
 store.set('ava', '🚀');
 

index.test-d.ts

@@ -14,6 +14,7 @@ store.set({
 store.delete('foo');
 store.get('foo');
 store.get('foo', 42);
+store.reset('foo');
 store.has('foo');
 store.clear();
 

readme.md

@@ -249,6 +249,10 @@ Set multiple items at once.
 
 Get an item or `defaultValue` if the item does not exist.
 
+#### .reset(...keys)
+
+Reset items to their default values, as defined by the `defaults` or `schema` option.
+
 #### .has(key)
 
 Check if an item exists.