async-lock - npm Package Compare versions

Comparing version 0.2.0 to 0.2.1

package.json

README.md

		@@ -16,3 +16,3 @@ # async-lock
		* @param {String\|Array} key resource key or keys to lock
		* @param {function} fn async function with node.js style
		* @param {function} fn execute function
		* @param {function} cb (optional) callback function, otherwise will return a promise
		@@ -27,11 +27,26 @@ * @param {Object} opts (optional) options
		}, opts);

		// Promise mode
		lock.acquire(key, function(){
		// return value or promise
		}, opts).then(function(){
		// lock released
		});
		```

		## Promise mode
		## Error Handling

		```
		// Callback mode
		lock.acquire(key, function(done){
		done(new Error('error'));
		}, function(err, ret){
		console.log(err.message) // output: error
		});

		// Promise mode
		lock.acquire(key, function(){
		// return value or promise
		}).then(function(){
		// lock released
		throw new Error('error');
		}).catch(function(err){
		console.log(err.message) // output: error
		});
		@@ -38,0 +53,0 @@ ```

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