1 files changed, 0 insertions, 43 deletions
diff --git a/node_modules/vuepress/lib/app/SWUpdateEvent.js b/node_modules/vuepress/lib/app/SWUpdateEvent.js
deleted file mode 100644
index fe6ab31c..00000000
--- a/node_modules/vuepress/lib/app/SWUpdateEvent.js
+++ /dev/null
@@ -1,43 +0,0 @@
-export default class SWUpdateEvent {
-  constructor (registration) {
-    Object.defineProperty(this, 'registration', {
-      value: registration,
-      configurable: true,
-      writable: true
-    })
-  }
-
-  /**
-   * Check if the new service worker exists or not.
-   */
-  update () {
-    return this.registration.update()
-  }
-
-  /**
-   * Activate new service worker to work 'location.reload()' with new data.
-   */
-  skipWaiting () {
-    const worker = this.registration.waiting
-    if (!worker) {
-      return Promise.resolve()
-    }
-
-    console.log('[vuepress:sw] Doing worker.skipWaiting().')
-    return new Promise((resolve, reject) => {
-      const channel = new MessageChannel()
-
-      channel.port1.onmessage = (event) => {
-        console.log('[vuepress:sw] Done worker.skipWaiting().')
-        if (event.data.error) {
-          reject(event.data.error)
-        } else {
-          resolve(event.data)
-        }
-      }
-
-      worker.postMessage({ type: 'skip-waiting' }, [channel.port2])
-    })
-  }
-}
-