Eslint rule updates (#673)

* Install unicorn

* Add rules

* Fix issues

* Install sonarjs

* Set up rules

* Fix issues

* Install eslint-plugin-import and fix import extensions

* Simplify permitted error names

1 files changed, 3 insertions, 3 deletions

diff --git a/ext/js/pages/settings/dictionary-import-controller.js b/ext/js/pages/settings/dictionary-import-controller.js
index 0484001d..34e21c5d 100644
--- a/ext/js/pages/settings/dictionary-import-controller.js
+++ b/ext/js/pages/settings/dictionary-import-controller.js
@@ -172,7 +172,7 @@ export class DictionaryImportController {
                     for (const label of infoLabels) { label.textContent = labelText; }
                 }
 
-                const percent = count > 0 ? (index / count * 100.0) : 0.0;
+                const percent = count > 0 ? (index / count * 100) : 0;
                 const cssString = `${percent}%`;
                 const statusString = `${Math.floor(percent).toFixed(0)}%`;
                 for (const progressBar of progressBars) { progressBar.style.width = cssString; }
@@ -199,8 +199,8 @@ export class DictionaryImportController {
 
                 await this._importDictionary(files[i], importDetails, onProgress);
             }
-        } catch (err) {
-            this._showErrors([toError(err)]);
+        } catch (error) {
+            this._showErrors([toError(error)]);
         } finally {
             prevention.end();
             for (const progress of progressContainers) { progress.hidden = true; }