[exercises/runner.js] Avoid printing of 'fx.apply is not a function' when already detected user did not export a function.

timoxley · timoxley · commit e686419b1fe6 · 2015-11-16T17:17:17.000+08:00
diff --git a/exercises/runner.js b/exercises/runner.js
@@ -26,8 +26,9 @@ function runner() {
     }
 
     if (typeof submittedFx !== 'function') {
-        this.emit('fail', __('fail.must_export_function'))
-        return callback(null, false)
+        var message =  __('fail.must_export_function')
+        this.emit('fail', message)
+        return callback(new Error(message), false)
     }
 
     callback(null, true)

Original file line number	Diff line number	Diff line change
`@@ -26,8 +26,9 @@ function runner() {`
`26`	`26`	`}`
`27`	`27`
`28`	`28`	`if (typeof submittedFx !== 'function') {`
`29`		`- this.emit('fail', __('fail.must_export_function'))`
`30`		`- return callback(null, false)`
	`29`	`+ var message = __('fail.must_export_function')`
	`30`	`+ this.emit('fail', message)`
	`31`	`+ return callback(new Error(message), false)`
`31`	`32`	`}`
`32`	`33`
`33`	`34`	`callback(null, true)`