Narrow down enum types (#431)

* narrow down enum types

* add enum types

* change from default to case

* add enum types

* remove comments

* remove comments

* fix

* Move getErrorLevelValue to Logger

* Add enum type for LogErrorLevelValue

* add eslint switch-exhaustiveness-check rule

* Revert "add eslint switch-exhaustiveness-check"

This reverts commit 49f9caabf0af900bc5ba2b80f5baff72c27e02cd.

* move from labelled loop to helper functions

* move helper functions downward

1 files changed, 6 insertions, 6 deletions

diff --git a/ext/js/language/text-scanner.js b/ext/js/language/text-scanner.js
index 800e3697..164e150e 100644
--- a/ext/js/language/text-scanner.js
+++ b/ext/js/language/text-scanner.js
@@ -137,8 +137,8 @@ export class TextScanner extends EventDispatcher {
         this._preventNextClick = false;
         /** @type {boolean} */
         this._preventScroll = false;
-        /** @type {0|1|2|3} */
-        this._penPointerState = 0; // 0 = not active; 1 = hovering; 2 = touching; 3 = hovering after touching
+        /** @type {import('text-scanner').PenPointerState} */
+        this._penPointerState = 0;
         /** @type {Map<number, string>} */
         this._pointerIdTypeMap = new Map();
 
@@ -1382,13 +1382,13 @@ export class TextScanner extends EventDispatcher {
                 return input.scanOnPenRelease;
         }
         switch (this._penPointerState) {
-            case 1: // hovering
+            case 1:
                 return input.scanOnPenHover;
-            case 2: // touching
+            case 2:
                 return input.scanOnPenMove;
-            case 3: // hovering after touching
+            case 3:
                 return input.scanOnPenReleaseHover;
-            default: // not active
+            case 0:
                 return false;
         }
     }