Expose paste API

Fixes #2390

src/browser/Clipboard.ts

@@ -4,6 +4,7 @@
  */
 
 import { ISelectionService } from 'browser/services/Services';
+import { ICoreService } from 'common/services/Services';
 
 /**
  * Prepares text to be pasted into the terminal by normalizing the line endings
@@ -41,24 +42,21 @@ export function copyHandler(ev: ClipboardEvent, selectionService: ISelectionServ
  * @param ev The original paste event to be handled
  * @param term The terminal on which to apply the handled paste event
  */
-export function pasteHandler(ev: ClipboardEvent, textarea: HTMLTextAreaElement, bracketedPasteMode: boolean, triggerUserInput: (data: string) => void): void {
+export function handlePasteEvent(ev: ClipboardEvent, textarea: HTMLTextAreaElement, bracketedPasteMode: boolean, coreService: ICoreService): void {
   ev.stopPropagation();
-
-  let text: string;
-
-  const dispatchPaste = function(text: string): void {
-    text = prepareTextForTerminal(text);
-    text = bracketTextForPaste(text, bracketedPasteMode);
-    triggerUserInput(text);
-    textarea.value = '';
-  };
-
   if (ev.clipboardData) {
-    text = ev.clipboardData.getData('text/plain');
-    dispatchPaste(text);
+    const text = ev.clipboardData.getData('text/plain');
+    paste(text, textarea, bracketedPasteMode, coreService);
   }
 }
 
+export function paste(text: string, textarea: HTMLTextAreaElement, bracketedPasteMode: boolean, coreService: ICoreService): void {
+  text = prepareTextForTerminal(text);
+  text = bracketTextForPaste(text, bracketedPasteMode);
+  coreService.triggerDataEvent(text, true);
+  textarea.value = '';
+}
+
 /**
  * Moves the textarea under the mouse cursor and focuses it.
  * @param ev The original right click event to be handled.