doc: fix more typos

src/CompositionHelper.ts

@@ -111,17 +111,17 @@ export class CompositionHelper {
   /**
    * Finalizes the composition, resuming regular input actions. This is called when a composition
    * is ending.
-   * @param waitForPropogation Whether to wait for events to propogate before sending
+   * @param waitForPropagation Whether to wait for events to propagate before sending
    *   the input. This should be false if a non-composition keystroke is entered before the
-   *   compositionend event is triggered, such as enter, so that the composition is send before
+   *   compositionend event is triggered, such as enter, so that the composition is sent before
    *   the command is executed.
    */
-  private _finalizeComposition(waitForPropogation: boolean): void {
+  private _finalizeComposition(waitForPropagation: boolean): void {
     this._compositionView.classList.remove('active');
     this._isComposing = false;
     this._clearTextareaPosition();
 
-    if (!waitForPropogation) {
+    if (!waitForPropagation) {
       // Cancel any delayed composition send requests and send the input immediately.
       this._isSendingComposition = false;
       const input = this._textarea.value.substring(this._compositionPosition.start, this._compositionPosition.end);
@@ -136,8 +136,8 @@ export class CompositionHelper {
 
       // Since composition* events happen before the changes take place in the textarea on most
       // browsers, use a setTimeout with 0ms time to allow the native compositionend event to
-      // complete. This ensures the correct character is retrieved, this solution was used
-      // because:
+      // complete. This ensures the correct character is retrieved.
+      // This solution was used because:
       // - The compositionend event's data property is unreliable, at least on Chromium
       // - The last compositionupdate event's data property does not always accurately describe
       //   the character, a counter example being Korean where an ending consonsant can move to

src/SelectionManager.ts

@@ -552,7 +552,7 @@ export class SelectionManager extends EventEmitter implements ISelectionManager
    */
   private _onMouseMove(event: MouseEvent): void {
     // If the mousemove listener is active it means that a selection is
-    // currently being made, we should stop propogation to prevent mouse events
+    // currently being made, we should stop propagation to prevent mouse events
     // to be sent to the pty.
     event.stopImmediatePropagation();
 

src/core/input/Keyboard.ts

@@ -44,7 +44,7 @@ export function evaluateKeyboardEvent(
 ): IKeyboardResult {
   const result: IKeyboardResult = {
     type: KeyboardResultType.SEND_KEY,
-    // Whether to cancel event propogation (NOTE: this may not be needed since the event is
+    // Whether to cancel event propagation (NOTE: this may not be needed since the event is
     // canceled at the end of keyDown
     cancel: false,
     // The new key even to emit

typings/xterm.d.ts

@@ -465,7 +465,7 @@ declare module 'xterm' {
      * should be processed by the terminal and what keys should not.
      * @param customKeyEventHandler The custom KeyboardEvent handler to attach.
      * This is a function that takes a KeyboardEvent, allowing consumers to stop
-     * propogation and/or prevent the default action. The function returns
+     * propagation and/or prevent the default action. The function returns
      * whether the event should be processed by xterm.js.
      */
     attachCustomKeyEventHandler(customKeyEventHandler: (event: KeyboardEvent) => boolean): void;