Clarified the error message

PissedCapslock · web-flow · commit 0f695ed7163c · 2019-10-21T10:28:49.000+02:00
Clarified the error message by specifying which name and containerKey are already in use.
diff --git a/apps/api-extractor-model/src/mixins/ApiItemContainerMixin.ts b/apps/api-extractor-model/src/mixins/ApiItemContainerMixin.ts
@@ -154,7 +154,7 @@ export function ApiItemContainerMixin<TBaseClass extends IApiItemConstructor>(ba
 
     public addMember(member: ApiItem): void {
       if (this[_membersByContainerKey].has(member.containerKey)) {
-        throw new Error('Another member has already been added with the same name and containerKey');
+        throw new Error(`Another member has already been added with the same name (${member.name}) and containerKey (${member.containterKey})`);
       }
 
       const existingParent: ApiItem | undefined = member.parent;

Original file line number	Diff line number	Diff line change
`@@ -154,7 +154,7 @@ export function ApiItemContainerMixin<TBaseClass extends IApiItemConstructor>(ba`
`154`	`154`
`155`	`155`	`public addMember(member: ApiItem): void {`
`156`	`156`	`if (this[_membersByContainerKey].has(member.containerKey)) {`
`157`		`- throw new Error('Another member has already been added with the same name and containerKey');`
	`157`	+ throw new Error(`Another member has already been added with the same name (${member.name}) and containerKey (${member.containterKey})`);
`158`	`158`	`}`
`159`	`159`
`160`	`160`	`const existingParent: ApiItem \| undefined = member.parent;`