Move prepareTextForClipboard logic into SelectionManager

src/SelectionManager.ts

@@ -42,6 +42,9 @@ const CLEAR_MOUSE_DISTANCE = 10;
 const LINE_DATA_CHAR_INDEX = 1;
 const LINE_DATA_WIDTH_INDEX = 2;
 
+const NON_BREAKING_SPACE_CHAR = String.fromCharCode(160);
+const ALL_NON_BREAKING_SPACE_REGEX = new RegExp(NON_BREAKING_SPACE_CHAR, 'g');
+
 export class SelectionManager extends EventEmitter {
   protected _model: SelectionModel;
 
@@ -177,7 +180,13 @@ export class SelectionManager extends EventEmitter {
       result.push(this._translateBufferLineToString(this._buffer.get(end[1]), true, 0, end[0]));
     }
 
-    return result.join('\n');
+    // Format string by replacing non-breaking space chars with regular spaces
+    // and joining the array into a multi-line string.
+    const formattedResult = result.map(line => {
+      return line.replace(ALL_NON_BREAKING_SPACE_REGEX, ' ');
+    }).join('\n');
+
+    return formattedResult;
   }
 
   /**

src/handlers/Clipboard.test.ts

@@ -2,15 +2,6 @@ import { assert } from 'chai';
 import * as Terminal from '../xterm';
 import * as Clipboard from './Clipboard';
 
-
-describe('evaluateCopiedTextProcessing', function () {
-  it('should replace non-breaking spaces with regular spaces', () => {
-    const nbsp = String.fromCharCode(160);
-    const result = Clipboard.prepareTextForClipboard(`foo${nbsp}bar\ntest${nbsp}${nbsp}`);
-    assert.equal(result, 'foo bar\ntest  ');
-  });
-});
-
 describe('evaluatePastedTextProcessing', function () {
   it('should replace carriage return + line feed with line feed on windows', function () {
     const pastedText = 'foo\r\nbar\r\n',

src/handlers/Clipboard.ts

@@ -16,24 +16,6 @@ interface IWindow extends Window {
 
 declare var window: IWindow;
 
-const SPACE_CHAR = String.fromCharCode(32);
-const NON_BREAKING_SPACE_CHAR = String.fromCharCode(160);
-const ALL_NON_BREAKING_SPACE_REGEX = new RegExp(NON_BREAKING_SPACE_CHAR, 'g');
-
-/**
- * Prepares text copied from terminal selection, to be saved in the clipboard by:
- *   1. stripping all trailing white spaces
- *   2. converting all non-breaking spaces to regular spaces
- * @param {string} text The copied text that needs processing for storing in clipboard
- * @returns {string}
- */
-export function prepareTextForClipboard(text: string): string {
-  // TODO: Pass an unjoined string array into this function so not splitting is needed
-  return text.split('\n').map(line => {
-    return line.replace(ALL_NON_BREAKING_SPACE_REGEX, SPACE_CHAR);
-  }).join('\n');
-}
-
 /**
  * Prepares text to be pasted into the terminal by normalizing the line endings
  * @param text The pasted text that needs processing before inserting into the terminal
@@ -50,17 +32,14 @@ export function prepareTextForTerminal(text: string, isMSWindows: boolean): stri
  * @param {ClipboardEvent} ev The original copy event to be handled
  */
 export function copyHandler(ev: ClipboardEvent, term: ITerminal, selectionManager: ISelectionManager) {
-  // We cast `window` to `any` type, because TypeScript has not declared the `clipboardData`
-  // property that we use below for Internet Explorer.
-  let text = prepareTextForClipboard(selectionManager.selectionText);
-
   if (term.browser.isMSIE) {
-    window.clipboardData.setData('Text', text);
+    window.clipboardData.setData('Text', selectionManager.selectionText);
   } else {
-    ev.clipboardData.setData('text/plain', text);
+    ev.clipboardData.setData('text/plain', selectionManager.selectionText);
   }
 
-  ev.preventDefault(); // Prevent or the original text will be copied.
+  // Prevent or the original text will be copied.
+  ev.preventDefault();
 }
 
 /**
@@ -111,7 +90,7 @@ export function rightClickHandler(ev: MouseEvent, textarea: HTMLTextAreaElement,
   textarea.style.zIndex = '1000';
 
   // Get textarea ready to copy from the context menu
-  textarea.value = prepareTextForClipboard(selectionManager.selectionText);
+  textarea.value = selectionManager.selectionText;
   textarea.focus();
   textarea.select();
 

src/xterm.js

@@ -13,7 +13,7 @@
 import { CompositionHelper } from './CompositionHelper';
 import { EventEmitter } from './EventEmitter';
 import { Viewport } from './Viewport';
-import { rightClickHandler, pasteHandler, copyHandler, prepareTextForClipboard } from './handlers/Clipboard';
+import { rightClickHandler, pasteHandler, copyHandler } from './handlers/Clipboard';
 import { CircularList } from './utils/CircularList';
 import { C0 } from './EscapeSequences';
 import { InputHandler } from './InputHandler';
@@ -1385,8 +1385,7 @@ Terminal.prototype.hasSelection = function() {
  * behavior outside of xterm.js.
  */
 Terminal.prototype.getSelection = function() {
-  // TODO: Should prepareTextForClipboard logic be moved to SelectionManager?
-  return prepareTextForClipboard(this.selectionManager.selectionText);
+  return this.selectionManager.selectionText;
 }
 
 /**