web: Remove redundant variables

web/packages/core/src/internal/player/inner.tsx

@@ -2104,13 +2104,12 @@ export class InnerPlayer {
                         `Error stack:\n\`\`\`\n${error.stack}\n\`\`\`\n`,
                     ) - 1;
                 if (error.avmStack) {
-                    const avmStackIndex =
+                    errorArray.avmStackIndex =
                         errorArray.push(
                             `AVM2 stack:\n\`\`\`\n    ${error.avmStack
                                 .trim()
                                 .replace(/\t/g, "    ")}\n\`\`\`\n`,
                         ) - 1;
-                    errorArray.avmStackIndex = avmStackIndex;
                 }
                 errorArray.stackIndex = stackIndex;
             }
@@ -2531,8 +2530,7 @@ function base64ToArray(bytesBase64: string): Uint8Array<ArrayBuffer> {
  */
 function base64ToBlob(bytesBase64: string, mimeString: string): Blob {
     const ab = base64ToArray(bytesBase64);
-    const blob = new Blob([ab], { type: mimeString });
-    return blob;
+    return new Blob([ab], { type: mimeString });
 }
 
 /**

web/packages/core/src/swf-utils.ts

@@ -83,6 +83,5 @@ export function isSwf(filename: string, mimeType: string | null): boolean {
  */
 export function swfFileName(swfUrl: URL): string {
     const pathName = swfUrl.pathname;
-    const name = pathName.substring(pathName.lastIndexOf("/") + 1);
-    return name;
+    return pathName.substring(pathName.lastIndexOf("/") + 1);
 }

web/packages/extension/src/common.ts

@@ -105,8 +105,9 @@ class SelectOption implements OptionElement<string | null> {
         // Convert `null` to the empty string.
         value ??= "";
         const options = Array.from(this.select.options);
-        const index = options.findIndex((option) => option.value === value);
-        this.select.selectedIndex = index;
+        this.select.selectedIndex = options.findIndex(
+            (option) => option.value === value,
+        );
     }
 }