minor fix

Ashish Aggarwal · Ashish Aggarwal · commit 60f611c6780c · 2018-06-30T11:35:52.000+05:30
diff --git a/src/tracer.ts b/src/tracer.ts
@@ -145,12 +145,12 @@ export default class Tracer {
 
     extract(format: string, carrier: any): SpanContext {
         if (!carrier) {
-            return;
+            return null;
         }
 
         const propagator = this._registry._propagators(format);
         if (!propagator) {
-            throw new Error('extracttor for the given format is not supported');
+            throw new Error('extractor for the given format is not supported');
         }
 
         return propagator.extract(carrier);

Original file line number	Diff line number	Diff line change
`@@ -145,12 +145,12 @@ export default class Tracer {`
`145`	`145`
`146`	`146`	`extract(format: string, carrier: any): SpanContext {`
`147`	`147`	`if (!carrier) {`
`148`		`- return;`
	`148`	`+ return null;`
`149`	`149`	`}`
`150`	`150`
`151`	`151`	`const propagator = this._registry._propagators(format);`
`152`	`152`	`if (!propagator) {`
`153`		`- throw new Error('extracttor for the given format is not supported');`
	`153`	`+ throw new Error('extractor for the given format is not supported');`
`154`	`154`	`}`
`155`	`155`
`156`	`156`	`return propagator.extract(carrier);`