Add .promise()

README.md

@@ -19,6 +19,9 @@ niceTry(() => JSON.parse('true')) // true
 niceTry(() => JSON.parse('truee')) // undefined
 niceTry() // undefined
 niceTry(true) // undefined
+
+await niceTry.promise(async () => JSON.parse('true')) // true
+await niceTry.promise(async () => JSON.parse('truee')) // undefined
 ```
 
 ## API

src/index.js

@@ -9,4 +9,15 @@ module.exports = function(fn) {
 
 	try { return fn() } catch (e) {}
 
-}
+}
+
+/**
+ * Tries to execute an asynchronous function and discards any error that occurs.
+ * @param {Function} fn - Asynchronous function that might or might not throw an error.
+ * @returns {?*} Promise which resolves with the return-value of the asynchronous function when no error occurred.
+ */
+module.exports.promise = async function (fn) {
+
+	try { return await fn() } catch (e) {}
+
+}

test/index.js

@@ -29,4 +29,15 @@ describe('index()', function() {
 
 	})
 
+	it('should return a value when called with an asynchronous function that returns a value', async function () {
+
+		assert.strictEqual(await index.promise(async () => JSON.parse('truee')), undefined)
+
+	})
+
+	it('should return undefined when called with an asynchronous function that throws an error', async function () {
+
+		assert.strictEqual(await index.promise(async () => JSON.parse('true')), true)
+
+	})
 })