Update multiple packages (#719)

* Update multiple packages - @typescript-eslint/eslint-plugin - @typescript-eslint/parser - eslint-config-react-app - eslint-config-standard - react-scripts Signed-off-by: Tilman Vatteroth <tilman.vatteroth@tu-dortmund.de> * fix type Signed-off-by: Tilman Vatteroth <tilman.vatteroth@tu-dortmund.de> * deduplicate code Signed-off-by: Tilman Vatteroth <tilman.vatteroth@tu-dortmund.de> * Disable test because it doesn't work Signed-off-by: Tilman Vatteroth <tilman.vatteroth@tu-dortmund.de> * repair service worker Signed-off-by: Tilman Vatteroth <tilman.vatteroth@tu-dortmund.de> * Lazy load mermaid Signed-off-by: Tilman Vatteroth <tilman.vatteroth@tu-dortmund.de> * use show error Signed-off-by: Tilman Vatteroth <tilman.vatteroth@tu-dortmund.de> * fix tsconfig in cypress Signed-off-by: Tilman Vatteroth <tilman.vatteroth@tu-dortmund.de> * fix import integration test Signed-off-by: Tilman Vatteroth <tilman.vatteroth@tu-dortmund.de>
2025-06-04 00:48:51 -04:00 · 2020-10-25 21:17:59 +01:00 · 2020-10-25 21:17:59 +01:00 · 460badb97b
commit 460badb97b
parent 0c222fae64
21 changed files with 4468 additions and 5286 deletions
--- a/src/service-worker-registration.ts
+++ b/src/service-worker-registration.ts
@ -0,0 +1,144 @@
+// This optional code is used to register a service worker.
+// register() is not called by default.
+
+// This lets the app load faster on subsequent visits in production, and gives
+// it offline capabilities. However, it also means that developers (and users)
+// will only see deployed updates on subsequent visits to a page, after all the
+// existing tabs open on the page have been closed, since previously cached
+// resources are updated in the background.
+
+// To learn more about the benefits of this model and instructions on how to
+// opt-in, read https://cra.link/PWA
+
+const localhostRegex = /^127(?:\.(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3}$/
+
+const isLocalhost = Boolean(
+  window.location.hostname === 'localhost' ||
+  // [::1] is the IPv6 localhost address.
+  window.location.hostname === '[::1]' ||
+  // 127.0.0.0/8 are considered localhost for IPv4.
+  localhostRegex.exec(window.location.hostname)
+)
+
+type Config = {
+  onSuccess?: (registration: ServiceWorkerRegistration) => void;
+  onUpdate?: (registration: ServiceWorkerRegistration) => void;
+};
+
+export function register (config?: Config): void {
+  if (process.env.NODE_ENV === 'production' && 'serviceWorker' in navigator) {
+    // The URL constructor is available in all browsers that support SW.
+    const publicUrl = new URL(process.env.PUBLIC_URL, window.location.href)
+    if (publicUrl.origin !== window.location.origin) {
+      // Our service worker won't work if PUBLIC_URL is on a different origin
+      // from what our page is served on. This might happen if a CDN is used to
+      // serve assets; see https://github.com/facebook/create-react-app/issues/2374
+      return
+    }
+
+    window.addEventListener('load', () => {
+      const swUrl = `${process.env.PUBLIC_URL}/service-worker.js`
+
+      if (isLocalhost) {
+        // This is running on localhost. Let's check if a service worker still exists or not.
+        checkValidServiceWorker(swUrl, config)
+
+        // Add some additional logging to localhost, pointing developers to the
+        // service worker/PWA documentation.
+        navigator.serviceWorker.ready.then(() => {
+          console.log(
+            'This web app is being served cache-first by a service ' +
+            'worker. To learn more, visit https://cra.link/PWA'
+          )
+        }).catch((error: Error) => console.error(error))
+      } else {
+        // Is not localhost. Just register service worker
+        registerValidSW(swUrl, config)
+      }
+    })
+  }
+}
+
+function registerValidSW (swUrl: string, config?: Config) {
+  navigator.serviceWorker
+    .register(swUrl)
+    .then((registration) => {
+      registration.onupdatefound = () => {
+        const installingWorker = registration.installing
+        if (installingWorker == null) {
+          return
+        }
+        installingWorker.onstatechange = () => {
+          if (installingWorker.state === 'installed') {
+            if (navigator.serviceWorker.controller) {
+            // At this point, the updated precached content has been fetched,
+            // but the previous service worker will still serve the older
+            // content until all client tabs are closed.
+              console.log(
+                'New content is available and will be used when all ' +
+              'tabs for this page are closed. See https://cra.link/PWA.'
+              )
+
+              // Execute callback
+              if (config && config.onUpdate) {
+                config.onUpdate(registration)
+              }
+            } else {
+            // At this point, everything has been precached.
+            // It's the perfect time to display a
+            // "Content is cached for offline use." message.
+              console.log('Content is cached for offline use.')
+
+              // Execute callback
+              if (config && config.onSuccess) {
+                config.onSuccess(registration)
+              }
+            }
+          }
+        }
+      }
+    })
+    .catch((error) => {
+      console.error('Error during service worker registration:', error)
+    })
+}
+
+function checkValidServiceWorker (swUrl: string, config?: Config) {
+  // Check if the service worker can be found. If it can't reload the page.
+  fetch(swUrl, {
+    headers: { 'Service-Worker': 'script' }
+  })
+    .then((response) => {
+    // Ensure service worker exists, and that we really are getting a JS file.
+      const contentType = response.headers.get('content-type')
+      if (
+        response.status === 404 ||
+      (contentType != null && contentType.indexOf('javascript') === -1)
+      ) {
+      // No service worker found. Probably a different app. Reload the page.
+        navigator.serviceWorker.ready.then((registration) => {
+          registration.unregister().then(() => {
+            window.location.reload()
+          }).catch((error: Error) => console.error(error))
+        }).catch((error: Error) => console.error(error))
+      } else {
+      // Service worker found. Proceed as normal.
+        registerValidSW(swUrl, config)
+      }
+    })
+    .catch(() => {
+      console.log('No internet connection found. App is running in offline mode.')
+    })
+}
+
+export function unregister (): void {
+  if ('serviceWorker' in navigator) {
+    navigator.serviceWorker.ready
+      .then((registration) => {
+        registration.unregister().catch((error: Error) => console.error(error))
+      })
+      .catch((error:Error) => {
+        console.error(error.message)
+      })
+  }
+}