Merge pull request #345 from thewhodidthis/bf#339--trial-handler

data/TrialHandler: allow for calling next() like PsychoPy

src/data/TrialHandler.js

@@ -122,6 +122,17 @@ export class TrialHandler extends PsychObject
 	}
 
 
+	/**
+	 * Helps go through each trial in the sequence one by one, mirrors PsychoPy.
+	 */
+	next() {
+		const trialIterator = this[Symbol.iterator]();
+		const { value } = trialIterator.next();
+
+		return value;
+	}
+
+
 	/**
 	 * Iterator over the trial sequence.
 	 *