Add only-issue-types option to filter issues by type (#1255)

* Add `only-issue-types` Option to Filter Issues by Type

* white-space fix in readme table

Co-authored-by: andig <cpuidle@gmail.com>

---------

Co-authored-by: andig <cpuidle@gmail.com>

src/classes/issue.ts

@@ -24,6 +24,7 @@ export class Issue implements IIssue {
   markedStaleThisRun: boolean;
   operations = new Operations();
   private readonly _options: IIssuesProcessorOptions;
+  readonly issue_type?: string;
 
   constructor(
     options: Readonly<IIssuesProcessorOptions>,
@@ -43,6 +44,15 @@ export class Issue implements IIssue {
     this.assignees = issue.assignees || [];
     this.isStale = isLabeled(this, this.staleLabel);
     this.markedStaleThisRun = false;
+
+    if (
+      typeof (issue as any).type === 'object' &&
+      (issue as any).type !== null
+    ) {
+      this.issue_type = (issue as any).type.name;
+    } else {
+      this.issue_type = undefined;
+    }
   }
 
   get isPullRequest(): boolean {

src/classes/issues-processor.ts

@@ -252,6 +252,23 @@ export class IssuesProcessor {
       return; // If the issue has an 'include-only-assigned' option set, process only issues with nonempty assignees list
     }
 
+    if (this.options.onlyIssueTypes) {
+      const allowedTypes = this.options.onlyIssueTypes
+        .split(',')
+        .map(t => t.trim().toLowerCase())
+        .filter(Boolean);
+      const issueType = (issue.issue_type || '').toLowerCase();
+      if (!allowedTypes.includes(issueType)) {
+        issueLogger.info(
+          `Skipping this $$type because its type ('${
+            issue.issue_type
+          }') is not in onlyIssueTypes (${allowedTypes.join(', ')})`
+        );
+        IssuesProcessor._endIssueProcessing(issue);
+        return;
+      }
+    }
+
     const onlyLabels: string[] = wordsToList(this._getOnlyLabels(issue));
 
     if (onlyLabels.length > 0) {