diff options
Diffstat (limited to 'lib/auto.js')
| -rw-r--r-- | lib/auto.js | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/auto.js b/lib/auto.js index 925db77..c36bb8f 100644 --- a/lib/auto.js +++ b/lib/auto.js @@ -134,6 +134,11 @@ export default function (tasks, concurrency, callback) { uncheckedDependencies[key] = remainingDependencies; arrayEach(dependencies, function (dependencyName) { + if (!tasks[dependencyName]) { + throw new Error('async.auto task `' + key + + '` has a non-existent dependency in ' + + dependencies.join(', ')); + } addListener(dependencyName, function () { remainingDependencies--; if (remainingDependencies === 0) { |