fix(dev): 404 workbox-*.js when base option exists (#389)

* fix(dev): 404 workbox-*.js when base option exists

* chore: test fro slash and remove semicolon

Co-authored-by: hexuan <hexuan@idea.edu.cn>
Co-authored-by: Joaquín Sánchez <userquin@gmail.com>

src/plugins/dev.ts

@@ -155,9 +155,11 @@ export function DevPlugin(ctx: PWAPluginContext): Plugin {
           }
           return await fs.readFile(swDest, 'utf-8')
         }
+
+        const key = normalizePath(`${options.base}${id.startsWith('/') ? id.slice(1) : id}`)
 
-        if (swDevOptions.workboxPaths.has(id))
-          return await fs.readFile(swDevOptions.workboxPaths.get(id)!, 'utf-8')
+        if (swDevOptions.workboxPaths.has(key))
+          return await fs.readFile(swDevOptions.workboxPaths.get(key)!, 'utf-8')
       }
     },
   }