message: Update: rename oldMode to prevMode in imswitcher.ts
diff: @@ -8,16 +8,16 @@ import * as vscode from 'vscode';
  export class InputMethodSwitcher {
  public savedIMKey = '';
  - public async switchInputMethod(oldMode: ModeName, newMode: ModeName) {
  + public async switchInputMethod(prevMode: ModeName, newMode: ModeName) {
  const enableAutoSwitch = configuration.autoSwitchIM.enable;
  if (enableAutoSwitch !== true) {
  return;
  }
  // when you exit from insert-like mode, save origin input method and set it to default
  if (
  - oldMode === ModeName.Insert ||
  - oldMode === ModeName.SurroundInputMode ||
  - oldMode === ModeName.Replace
  + prevMode === ModeName.Insert ||
  + prevMode === ModeName.SurroundInputMode ||
  + prevMode === ModeName.Replace
  ) {
  if (
  newMode !== ModeName.Insert &&
  @@ -35,9 +35,9 @@ export class InputMethodSwitcher {
  newMode === ModeName.Replace
  ) {
  if (
  - oldMode !== ModeName.Insert &&
  - oldMode !== ModeName.SurroundInputMode &&
  - oldMode !== ModeName.Replace
  + prevMode !== ModeName.Insert &&
  + prevMode !== ModeName.SurroundInputMode &&
  + prevMode !== ModeName.Replace
  ) {
  this.resumeIM();
  }
  