Issue 596/include only assigned (#817)

* Add new 'include-only-assigned' option

If set, only issues containing assignees will be processed

* Test new flag

* Update code comment

* Update src/classes/issues-processor.ts

Co-authored-by: Francesco Renzi <rentziass@github.com>

* Update index.js with typo fix

Co-authored-by: Francesco Renzi <rentziass@github.com>

src/classes/issue.spec.ts

@@ -62,7 +62,8 @@ describe('Issue', (): void => {
       ignoreIssueUpdates: undefined,
       ignorePrUpdates: undefined,
       exemptDraftPr: false,
-      closeIssueReason: ''
+      closeIssueReason: '',
+      includeOnlyAssigned: false
     };
     issueInterface = {
       title: 'dummy-title',

src/classes/issues-processor.ts

@@ -221,6 +221,14 @@ export class IssuesProcessor {
       return; // Don't process locked issues
     }
 
+    if (this._isIncludeOnlyAssigned(issue)) {
+      issueLogger.info(
+        `Skipping this $$type because its assignees list is empty`
+      );
+      IssuesProcessor._endIssueProcessing(issue);
+      return; // If the issue has an 'include-only-assigned' option set, process only issues with nonempty assignees list
+    }
+
     const onlyLabels: string[] = wordsToList(this._getOnlyLabels(issue));
 
     if (onlyLabels.length > 0) {
@@ -1012,6 +1020,10 @@ export class IssuesProcessor {
     return this.options.onlyLabels;
   }
 
+  private _isIncludeOnlyAssigned(issue: Issue): boolean {
+    return this.options.includeOnlyAssigned && !issue.hasAssignees;
+  }
+
   private _getAnyOfLabels(issue: Issue): string {
     if (issue.isPullRequest) {
       if (this.options.anyOfPrLabels !== '') {

src/interfaces/issues-processor-options.ts

@@ -52,4 +52,5 @@ export interface IIssuesProcessorOptions {
   ignorePrUpdates: boolean | undefined;
   exemptDraftPr: boolean;
   closeIssueReason: string;
+  includeOnlyAssigned: boolean;
 }

src/main.ts

@@ -88,7 +88,8 @@ function _getAndValidateArgs(): IIssuesProcessorOptions {
     ignoreIssueUpdates: _toOptionalBoolean('ignore-issue-updates'),
     ignorePrUpdates: _toOptionalBoolean('ignore-pr-updates'),
     exemptDraftPr: core.getInput('exempt-draft-pr') === 'true',
-    closeIssueReason: core.getInput('close-issue-reason')
+    closeIssueReason: core.getInput('close-issue-reason'),
+    includeOnlyAssigned: core.getInput('include-only-assigned') === 'true'
   };
 
   for (const numberInput of [