Merge b4eec55 into 571be4f

src/index.js

@@ -86,6 +86,10 @@ class Keyv extends EventEmitter {
 			.then(() => true);
 	}
 
+	async has(key) {
+		return Boolean(await this.get(key, { raw: true }));
+	}
+
 	delete(key) {
 		key = this._getKeyPrefix(key);
 		const store = this.opts.store;

test/keyv.js

@@ -85,6 +85,14 @@ test.serial('.get(key, {raw: true}) returns the raw object instead of the value'
 	t.is(rawObject.value, 'bar');
 });
 
+test.serial('.has(key) where key is the key we are looking for', async t => {
+	const store = new Map();
+	const keyv = new Keyv({ store });
+	await keyv.set('foo', 'bar');
+	t.is(await keyv.has('foo'), true);
+	t.is(await keyv.has('fizz'), false);
+});
+
 test.serial('Keyv uses custom serializer when provided instead of json-buffer', async t => {
 	t.plan(3);
 	const store = new Map();