First cut.

Author: ntwigg

browser-extension/src/datamodel/textarea-handler.ts

@@ -0,0 +1,80 @@
+export type CommentType = 
+  | 'GH_ISSUE_NEW'
+  | 'GH_PR_NEW' 
+  | 'GH_ISSUE_ADD_COMMENT'
+  | 'GH_ISSUE_EDIT_COMMENT'
+  | 'GH_PR_ADD_COMMENT'
+  | 'GH_PR_EDIT_COMMENT'
+  | 'GH_PR_CODE_COMMENT'
+  | 'REDDIT_POST_NEW'
+  | 'REDDIT_COMMENT_NEW'
+  | 'REDDIT_COMMENT_EDIT'
+  | 'GL_ISSUE_NEW'
+  | 'GL_MR_NEW'
+  | 'GL_ISSUE_ADD_COMMENT'
+  | 'GL_MR_ADD_COMMENT'
+  | 'BB_ISSUE_NEW'
+  | 'BB_PR_NEW'
+  | 'BB_ISSUE_ADD_COMMENT'
+  | 'BB_PR_ADD_COMMENT';
+
+export interface CommentContext {
+  unique_key: string;
+}
+
+export interface TextareaInfo<T extends CommentContext = CommentContext> {
+  element: HTMLTextAreaElement;
+  type: CommentType;
+  context: T;
+}
+
+export interface TextareaHandler<T extends CommentContext = CommentContext> {
+  // Content script functionality
+  identify(): TextareaInfo<T>[];
+  readContent(textarea: HTMLTextAreaElement): string;
+  setContent(textarea: HTMLTextAreaElement, content: string): void;
+  onSubmit(textarea: HTMLTextAreaElement, callback: (success: boolean) => void): void;
+  
+  // Context extraction
+  extractContext(textarea: HTMLTextAreaElement): T | null;
+  determineType(textarea: HTMLTextAreaElement): CommentType | null;
+  
+  // Popup functionality helpers
+  generateDisplayTitle(context: T): string;
+  generateIcon(type: CommentType): string;
+  buildUrl(context: T, withDraft?: boolean): string;
+}
+
+export abstract class BaseTextareaHandler<T extends CommentContext = CommentContext> implements TextareaHandler<T> {
+  protected domain: string;
+  
+  constructor(domain: string) {
+    this.domain = domain;
+  }
+  
+  abstract identify(): TextareaInfo<T>[];
+  abstract extractContext(textarea: HTMLTextAreaElement): T | null;
+  abstract determineType(textarea: HTMLTextAreaElement): CommentType | null;
+  abstract generateDisplayTitle(context: T): string;
+  abstract generateIcon(type: CommentType): string;
+  abstract buildUrl(context: T, withDraft?: boolean): string;
+  
+  readContent(textarea: HTMLTextAreaElement): string {
+    return textarea.value;
+  }
+  
+  setContent(textarea: HTMLTextAreaElement, content: string): void {
+    textarea.value = content;
+    textarea.dispatchEvent(new Event('input', { bubbles: true }));
+    textarea.dispatchEvent(new Event('change', { bubbles: true }));
+  }
+  
+  onSubmit(textarea: HTMLTextAreaElement, callback: (success: boolean) => void): void {
+    const form = textarea.closest('form');
+    if (form) {
+      form.addEventListener('submit', () => {
+        setTimeout(() => callback(true), 100);
+      }, { once: true });
+    }
+  }
+}