Update frontend build system to shed old dependencies, and address fallout from that (#521)

* get tests working and update copyright headers

* lint fix

* eslint ts update

* update CI to use NPM

* fix CI

* prettier

* npm, not yarn for docker

* remove unused package

* bump dockerfile to latest node LTS and no need for cache clean

* make frontend Dockerfile work and remove unused SUBSTRATE_TELEMETRY_SAMPLE

* remove final yarn references

* add another comment

* remove unused import

* remove more unused deps

* comment typo

frontend/src/App.css

@@ -1,6 +1,6 @@
 /*
 Source code for the Substrate Telemetry Server.
-Copyright (C) 2021 Parity Technologies (UK) Ltd.
+Copyright (C) 2023 Parity Technologies (UK) Ltd.
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by

frontend/src/App.test.tsx

@@ -0,0 +1,27 @@
+// Source code for the Substrate Telemetry Server.
+// Copyright (C) 2023 Parity Technologies (UK) Ltd.
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see <https://www.gnu.org/licenses/>.
+
+import * as React from 'react';
+import { createRoot } from 'react-dom/client';
+import App from './App';
+
+describe('App.tsx', () => {
+  it('renders without crashing', () => {
+    const div = document.createElement('div');
+    const root = createRoot(div);
+    root.render(<App />);
+  });
+});

frontend/src/App.tsx

@@ -1,5 +1,5 @@
 // Source code for the Substrate Telemetry Server.
-// Copyright (C) 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) 2023 Parity Technologies (UK) Ltd.
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by

frontend/src/Connection.ts

@@ -1,5 +1,5 @@
 // Source code for the Substrate Telemetry Server.
-// Copyright (C) 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) 2023 Parity Technologies (UK) Ltd.
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
@@ -56,12 +56,11 @@ export class Connection {
   private static getAddress(): string {
     const ENV_URL = 'SUBSTRATE_TELEMETRY_URL';
 
-    if (process.env && process.env[ENV_URL]) {
-      return process.env[ENV_URL] as string;
-    }
-
-    if (window.process_env && window.process_env[ENV_URL]) {
-      return window.process_env[ENV_URL];
+    // If env_config.js is generated and loaded in, it'll set this variable.
+    // This is set up in the Dockerfile. Otherwise, we just connect to a
+    // default URL.
+    if (window.process_env?.[ENV_URL]) {
+      return window.process_env[ENV_URL] as string;
     }
 
     if (window.location.protocol === 'https:') {

frontend/src/common/SortedCollection.ts

@@ -1,5 +1,5 @@
 // Source code for the Substrate Telemetry Server.
-// Copyright (C) 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) 2023 Parity Technologies (UK) Ltd.
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by

frontend/src/common/common.test.ts

@@ -0,0 +1,99 @@
+// Source code for the Substrate Telemetry Server.
+// Copyright (C) 2023 Parity Technologies (UK) Ltd.
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see <https://www.gnu.org/licenses/>.
+
+import { sortedInsert, sortedIndexOf } from '.';
+
+describe('sortedInsert', () => {
+  it('inserts a value in the correct place', () => {
+    function assertInsert(item: number, into: number[], equals: number[]) {
+      const cmp = (a: number, b: number) => a - b;
+      sortedInsert(item, into, cmp);
+      expect(into).toStrictEqual(equals);
+    }
+
+    assertInsert(1, [2, 3, 4, 5, 6, 7, 8, 9], [1, 2, 3, 4, 5, 6, 7, 8, 9]);
+    assertInsert(2, [1, 3, 4, 5, 6, 7, 8, 9], [1, 2, 3, 4, 5, 6, 7, 8, 9]);
+    assertInsert(3, [1, 2, 4, 5, 6, 7, 8, 9], [1, 2, 3, 4, 5, 6, 7, 8, 9]);
+    assertInsert(4, [1, 2, 3, 5, 6, 7, 8, 9], [1, 2, 3, 4, 5, 6, 7, 8, 9]);
+    assertInsert(5, [1, 2, 3, 4, 6, 7, 8, 9], [1, 2, 3, 4, 5, 6, 7, 8, 9]);
+    assertInsert(6, [1, 2, 3, 4, 5, 7, 8, 9], [1, 2, 3, 4, 5, 6, 7, 8, 9]);
+    assertInsert(7, [1, 2, 3, 4, 5, 6, 8, 9], [1, 2, 3, 4, 5, 6, 7, 8, 9]);
+    assertInsert(8, [1, 2, 3, 4, 5, 6, 7, 9], [1, 2, 3, 4, 5, 6, 7, 8, 9]);
+    assertInsert(9, [1, 2, 3, 4, 5, 6, 7, 8], [1, 2, 3, 4, 5, 6, 7, 8, 9]);
+  });
+
+  it('fuzz tests insert as expected', () => {
+    const cmp = (a: number, b: number) => a - b;
+    const scramble = () => Math.random() - 0.5;
+    const sorted = [1, 2, 3, 4, 5, 6, 7, 8, 9];
+
+    for (let i = 0; i < 50; i++) {
+      const scrambled = sorted.sort(scramble);
+      const resorted: number[] = [];
+
+      for (const item of scrambled) {
+        sortedInsert(item, resorted, cmp);
+      }
+
+      expect(resorted).toStrictEqual([1, 2, 3, 4, 5, 6, 7, 8, 9]);
+    }
+  });
+
+  it('indexes', () => {
+    const cmp = (a: number, b: number) => a - b;
+    const into: number[] = [];
+
+    expect(sortedInsert(5, into, cmp)).toStrictEqual(0);
+    expect(into).toStrictEqual([5]);
+    expect(sortedInsert(1, into, cmp)).toStrictEqual(0);
+    expect(into).toStrictEqual([1, 5]);
+    expect(sortedInsert(9, into, cmp)).toStrictEqual(2);
+    expect(into).toStrictEqual([1, 5, 9]);
+    expect(sortedInsert(3, into, cmp)).toStrictEqual(1);
+    expect(into).toStrictEqual([1, 3, 5, 9]);
+    expect(sortedInsert(7, into, cmp)).toStrictEqual(3);
+    expect(into).toStrictEqual([1, 3, 5, 7, 9]);
+    expect(sortedInsert(4, into, cmp)).toStrictEqual(2);
+    expect(into).toStrictEqual([1, 3, 4, 5, 7, 9]);
+    expect(sortedInsert(6, into, cmp)).toStrictEqual(4);
+    expect(into).toStrictEqual([1, 3, 4, 5, 6, 7, 9]);
+    expect(sortedInsert(2, into, cmp)).toStrictEqual(1);
+    expect(into).toStrictEqual([1, 2, 3, 4, 5, 6, 7, 9]);
+    expect(sortedInsert(8, into, cmp)).toStrictEqual(7);
+    expect(into).toStrictEqual([1, 2, 3, 4, 5, 6, 7, 8, 9]);
+  });
+
+  it('sortedIndexOf', () => {
+    type ValueObj = {
+      value: number;
+    };
+    const cmp = (a: ValueObj, b: ValueObj) => a.value - b.value;
+    const array: Array<ValueObj> = [];
+
+    for (let i = 1; i <= 1000; i++) {
+      array.push({ value: i >> 1 });
+    }
+
+    for (let i = 0; i < 50; i++) {
+      const index = (Math.random() * 1000) | 0;
+      const item = array[index];
+
+      expect(sortedIndexOf(item, array, cmp)).toStrictEqual(
+        array.indexOf(item)
+      );
+    }
+  });
+});

frontend/src/common/feed.ts

@@ -1,5 +1,5 @@
 // Source code for the Substrate Telemetry Server.
-// Copyright (C) 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) 2023 Parity Technologies (UK) Ltd.
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by

frontend/src/common/helpers.ts

@@ -1,5 +1,5 @@
 // Source code for the Substrate Telemetry Server.
-// Copyright (C) 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) 2023 Parity Technologies (UK) Ltd.
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by

frontend/src/common/id.ts

@@ -1,5 +1,5 @@
 // Source code for the Substrate Telemetry Server.
-// Copyright (C) 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) 2023 Parity Technologies (UK) Ltd.
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by

frontend/src/common/index.ts

@@ -1,5 +1,5 @@
 // Source code for the Substrate Telemetry Server.
-// Copyright (C) 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) 2023 Parity Technologies (UK) Ltd.
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by

frontend/src/common/iterators.ts

@@ -1,5 +1,5 @@
 // Source code for the Substrate Telemetry Server.
-// Copyright (C) 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) 2023 Parity Technologies (UK) Ltd.
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by

frontend/src/common/stringify.ts

@@ -1,5 +1,5 @@
 // Source code for the Substrate Telemetry Server.
-// Copyright (C) 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) 2023 Parity Technologies (UK) Ltd.
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by

frontend/src/common/types.ts

@@ -1,5 +1,5 @@
 // Source code for the Substrate Telemetry Server.
-// Copyright (C) 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) 2023 Parity Technologies (UK) Ltd.
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by

frontend/src/components/Ago.tsx

@@ -1,5 +1,5 @@
 // Source code for the Substrate Telemetry Server.
-// Copyright (C) 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) 2023 Parity Technologies (UK) Ltd.
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by

frontend/src/components/AllChains.css

@@ -1,6 +1,6 @@
 /*
 Source code for the Substrate Telemetry Server.
-Copyright (C) 2021 Parity Technologies (UK) Ltd.
+Copyright (C) 2023 Parity Technologies (UK) Ltd.
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by

frontend/src/components/AllChains.tsx

@@ -1,5 +1,5 @@
 // Source code for the Substrate Telemetry Server.
-// Copyright (C) 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) 2023 Parity Technologies (UK) Ltd.
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by

frontend/src/components/Chain/Chain.css

@@ -1,6 +1,6 @@
 /*
 Source code for the Substrate Telemetry Server.
-Copyright (C) 2021 Parity Technologies (UK) Ltd.
+Copyright (C) 2023 Parity Technologies (UK) Ltd.
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by

frontend/src/components/Chain/Chain.tsx

@@ -1,5 +1,5 @@
 // Source code for the Substrate Telemetry Server.
-// Copyright (C) 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) 2023 Parity Technologies (UK) Ltd.
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by

frontend/src/components/Chain/Header.css

@@ -1,6 +1,6 @@
 /*
 Source code for the Substrate Telemetry Server.
-Copyright (C) 2021 Parity Technologies (UK) Ltd.
+Copyright (C) 2023 Parity Technologies (UK) Ltd.
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by

frontend/src/components/Chain/Header.tsx

@@ -1,5 +1,5 @@
 // Source code for the Substrate Telemetry Server.
-// Copyright (C) 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) 2023 Parity Technologies (UK) Ltd.
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by

frontend/src/components/Chain/Tab.css

@@ -1,6 +1,6 @@
 /*
 Source code for the Substrate Telemetry Server.
-Copyright (C) 2021 Parity Technologies (UK) Ltd.
+Copyright (C) 2023 Parity Technologies (UK) Ltd.
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by

frontend/src/components/Chain/Tab.tsx

@@ -1,5 +1,5 @@
 // Source code for the Substrate Telemetry Server.
-// Copyright (C) 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) 2023 Parity Technologies (UK) Ltd.
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by

frontend/src/components/Chain/index.ts

@@ -1,5 +1,5 @@
 // Source code for the Substrate Telemetry Server.
-// Copyright (C) 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) 2023 Parity Technologies (UK) Ltd.
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by

frontend/src/components/Chains.css

@@ -1,6 +1,6 @@
 /*
 Source code for the Substrate Telemetry Server.
-Copyright (C) 2021 Parity Technologies (UK) Ltd.
+Copyright (C) 2023 Parity Technologies (UK) Ltd.
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by

frontend/src/components/Chains.tsx

@@ -1,5 +1,5 @@
 // Source code for the Substrate Telemetry Server.
-// Copyright (C) 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) 2023 Parity Technologies (UK) Ltd.
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by

frontend/src/components/Filter.css

@@ -1,6 +1,6 @@
 /*
 Source code for the Substrate Telemetry Server.
-Copyright (C) 2021 Parity Technologies (UK) Ltd.
+Copyright (C) 2023 Parity Technologies (UK) Ltd.
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by

frontend/src/components/Filter.tsx

@@ -1,5 +1,5 @@
 // Source code for the Substrate Telemetry Server.
-// Copyright (C) 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) 2023 Parity Technologies (UK) Ltd.
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by

frontend/src/components/Icon.css

@@ -1,6 +1,6 @@
 /*
 Source code for the Substrate Telemetry Server.
-Copyright (C) 2021 Parity Technologies (UK) Ltd.
+Copyright (C) 2023 Parity Technologies (UK) Ltd.
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by

frontend/src/components/Icon.tsx

@@ -1,5 +1,5 @@
 // Source code for the Substrate Telemetry Server.
-// Copyright (C) 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) 2023 Parity Technologies (UK) Ltd.
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by

frontend/src/components/List/Column/BlockHashColumn.tsx

@@ -1,5 +1,5 @@
 // Source code for the Substrate Telemetry Server.
-// Copyright (C) 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) 2023 Parity Technologies (UK) Ltd.
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by

frontend/src/components/List/Column/BlockNumberColumn.tsx

@@ -1,5 +1,5 @@
 // Source code for the Substrate Telemetry Server.
-// Copyright (C) 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) 2023 Parity Technologies (UK) Ltd.
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by

frontend/src/components/List/Column/BlockPropagationColumn.tsx

@@ -1,5 +1,5 @@
 // Source code for the Substrate Telemetry Server.
-// Copyright (C) 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) 2023 Parity Technologies (UK) Ltd.
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by

frontend/src/components/List/Column/BlockTimeColumn.tsx

@@ -1,5 +1,5 @@
 // Source code for the Substrate Telemetry Server.
-// Copyright (C) 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) 2023 Parity Technologies (UK) Ltd.
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by

frontend/src/components/List/Column/Column.css

@@ -1,6 +1,6 @@
 /*
 Source code for the Substrate Telemetry Server.
-Copyright (C) 2021 Parity Technologies (UK) Ltd.
+Copyright (C) 2023 Parity Technologies (UK) Ltd.
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by

frontend/src/components/List/Column/Column.tsx

@@ -1,5 +1,5 @@
 // Source code for the Substrate Telemetry Server.
-// Copyright (C) 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) 2023 Parity Technologies (UK) Ltd.
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by

frontend/src/components/List/Column/DownloadColumn.tsx

@@ -1,5 +1,5 @@
 // Source code for the Substrate Telemetry Server.
-// Copyright (C) 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) 2023 Parity Technologies (UK) Ltd.
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by

frontend/src/components/List/Column/FinalizedBlockColumn.tsx

@@ -1,5 +1,5 @@
 // Source code for the Substrate Telemetry Server.
-// Copyright (C) 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) 2023 Parity Technologies (UK) Ltd.
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by

frontend/src/components/List/Column/FinalizedHashColumn.tsx

@@ -1,5 +1,5 @@
 // Source code for the Substrate Telemetry Server.
-// Copyright (C) 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) 2023 Parity Technologies (UK) Ltd.
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by

frontend/src/components/List/Column/ImplementationColumn.tsx

@@ -1,5 +1,5 @@
 // Source code for the Substrate Telemetry Server.
-// Copyright (C) 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) 2023 Parity Technologies (UK) Ltd.
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by

frontend/src/components/List/Column/LastBlockColumn.tsx

@@ -1,5 +1,5 @@
 // Source code for the Substrate Telemetry Server.
-// Copyright (C) 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) 2023 Parity Technologies (UK) Ltd.
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by

frontend/src/components/List/Column/LocationColumn.tsx

@@ -1,5 +1,5 @@
 // Source code for the Substrate Telemetry Server.
-// Copyright (C) 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) 2023 Parity Technologies (UK) Ltd.
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by

frontend/src/components/List/Column/NameColumn.tsx

@@ -1,5 +1,5 @@
 // Source code for the Substrate Telemetry Server.
-// Copyright (C) 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) 2023 Parity Technologies (UK) Ltd.
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by

frontend/src/components/List/Column/NetworkIdColumn.tsx

@@ -1,5 +1,5 @@
 // Source code for the Substrate Telemetry Server.
-// Copyright (C) 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) 2023 Parity Technologies (UK) Ltd.
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by

frontend/src/components/List/Column/PeersColumn.tsx

@@ -1,5 +1,5 @@
 // Source code for the Substrate Telemetry Server.
-// Copyright (C) 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) 2023 Parity Technologies (UK) Ltd.
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by

frontend/src/components/List/Column/StateCacheColumn.tsx

@@ -1,5 +1,5 @@
 // Source code for the Substrate Telemetry Server.
-// Copyright (C) 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) 2023 Parity Technologies (UK) Ltd.
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by

frontend/src/components/List/Column/TxsColumn.tsx

@@ -1,5 +1,5 @@
 // Source code for the Substrate Telemetry Server.
-// Copyright (C) 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) 2023 Parity Technologies (UK) Ltd.
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by

frontend/src/components/List/Column/UploadColumn.tsx

@@ -1,5 +1,5 @@
 // Source code for the Substrate Telemetry Server.
-// Copyright (C) 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) 2023 Parity Technologies (UK) Ltd.
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by

frontend/src/components/List/Column/UptimeColumn.tsx

@@ -1,5 +1,5 @@
 // Source code for the Substrate Telemetry Server.
-// Copyright (C) 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) 2023 Parity Technologies (UK) Ltd.
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by

frontend/src/components/List/Column/ValidatorColumn.tsx

@@ -1,5 +1,5 @@
 // Source code for the Substrate Telemetry Server.
-// Copyright (C) 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) 2023 Parity Technologies (UK) Ltd.
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by

frontend/src/components/List/Column/index.ts

@@ -1,5 +1,5 @@
 // Source code for the Substrate Telemetry Server.
-// Copyright (C) 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) 2023 Parity Technologies (UK) Ltd.
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by

frontend/src/components/List/List.css

@@ -1,6 +1,6 @@
 /*
 Source code for the Substrate Telemetry Server.
-Copyright (C) 2021 Parity Technologies (UK) Ltd.
+Copyright (C) 2023 Parity Technologies (UK) Ltd.
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by

frontend/src/components/List/List.tsx

@@ -1,5 +1,5 @@
 // Source code for the Substrate Telemetry Server.
-// Copyright (C) 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) 2023 Parity Technologies (UK) Ltd.
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by

frontend/src/components/List/Row.css

@@ -1,6 +1,6 @@
 /*
 Source code for the Substrate Telemetry Server.
-Copyright (C) 2021 Parity Technologies (UK) Ltd.
+Copyright (C) 2023 Parity Technologies (UK) Ltd.
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by

frontend/src/components/List/Row.tsx

@@ -1,5 +1,5 @@
 // Source code for the Substrate Telemetry Server.
-// Copyright (C) 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) 2023 Parity Technologies (UK) Ltd.
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by

frontend/src/components/List/THead.css

@@ -1,6 +1,6 @@
 /*
 Source code for the Substrate Telemetry Server.
-Copyright (C) 2021 Parity Technologies (UK) Ltd.
+Copyright (C) 2023 Parity Technologies (UK) Ltd.
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by

frontend/src/components/List/THead.tsx

@@ -1,5 +1,5 @@
 // Source code for the Substrate Telemetry Server.
-// Copyright (C) 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) 2023 Parity Technologies (UK) Ltd.
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by

frontend/src/components/List/THeadCell.tsx

@@ -1,5 +1,5 @@
 // Source code for the Substrate Telemetry Server.
-// Copyright (C) 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) 2023 Parity Technologies (UK) Ltd.
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by

frontend/src/components/List/index.ts

@@ -1,5 +1,5 @@
 // Source code for the Substrate Telemetry Server.
-// Copyright (C) 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) 2023 Parity Technologies (UK) Ltd.
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by

frontend/src/components/Map/Location.css

@@ -1,6 +1,6 @@
 /*
 Source code for the Substrate Telemetry Server.
-Copyright (C) 2021 Parity Technologies (UK) Ltd.
+Copyright (C) 2023 Parity Technologies (UK) Ltd.
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by

frontend/src/components/Map/Location.tsx

@@ -1,5 +1,5 @@
 // Source code for the Substrate Telemetry Server.
-// Copyright (C) 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) 2023 Parity Technologies (UK) Ltd.
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by

frontend/src/components/Map/Map.css

@@ -1,6 +1,6 @@
 /*
 Source code for the Substrate Telemetry Server.
-Copyright (C) 2021 Parity Technologies (UK) Ltd.
+Copyright (C) 2023 Parity Technologies (UK) Ltd.
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by

frontend/src/components/Map/Map.tsx

@@ -1,5 +1,5 @@
 // Source code for the Substrate Telemetry Server.
-// Copyright (C) 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) 2023 Parity Technologies (UK) Ltd.
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by

frontend/src/components/Map/index.ts

@@ -1,5 +1,5 @@
 // Source code for the Substrate Telemetry Server.
-// Copyright (C) 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) 2023 Parity Technologies (UK) Ltd.
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by

frontend/src/components/OfflineIndicator.css

@@ -1,6 +1,6 @@
 /*
 Source code for the Substrate Telemetry Server.
-Copyright (C) 2021 Parity Technologies (UK) Ltd.
+Copyright (C) 2023 Parity Technologies (UK) Ltd.
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by

frontend/src/components/OfflineIndicator.tsx

@@ -1,5 +1,5 @@
 // Source code for the Substrate Telemetry Server.
-// Copyright (C) 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) 2023 Parity Technologies (UK) Ltd.
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by

frontend/src/components/Settings/Setting.css

@@ -1,6 +1,6 @@
 /*
 Source code for the Substrate Telemetry Server.
-Copyright (C) 2021 Parity Technologies (UK) Ltd.
+Copyright (C) 2023 Parity Technologies (UK) Ltd.
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by

frontend/src/components/Settings/Setting.tsx

@@ -1,5 +1,5 @@
 // Source code for the Substrate Telemetry Server.
-// Copyright (C) 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) 2023 Parity Technologies (UK) Ltd.
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by

frontend/src/components/Settings/Settings.css

@@ -1,6 +1,6 @@
 /*
 Source code for the Substrate Telemetry Server.
-Copyright (C) 2021 Parity Technologies (UK) Ltd.
+Copyright (C) 2023 Parity Technologies (UK) Ltd.
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by

frontend/src/components/Settings/Settings.tsx

@@ -1,5 +1,5 @@
 // Source code for the Substrate Telemetry Server.
-// Copyright (C) 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) 2023 Parity Technologies (UK) Ltd.
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by

frontend/src/components/Settings/index.ts

@@ -1,5 +1,5 @@
 // Source code for the Substrate Telemetry Server.
-// Copyright (C) 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) 2023 Parity Technologies (UK) Ltd.
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by

frontend/src/components/Sparkline.css

@@ -1,6 +1,6 @@
 /*
 Source code for the Substrate Telemetry Server.
-Copyright (C) 2021 Parity Technologies (UK) Ltd.
+Copyright (C) 2023 Parity Technologies (UK) Ltd.
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by

frontend/src/components/Sparkline.tsx

@@ -1,5 +1,5 @@
 // Source code for the Substrate Telemetry Server.
-// Copyright (C) 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) 2023 Parity Technologies (UK) Ltd.
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by

frontend/src/components/Tile.css

@@ -1,6 +1,6 @@
 /*
 Source code for the Substrate Telemetry Server.
-Copyright (C) 2021 Parity Technologies (UK) Ltd.
+Copyright (C) 2023 Parity Technologies (UK) Ltd.
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by

frontend/src/components/Tile.tsx

@@ -1,5 +1,5 @@
 // Source code for the Substrate Telemetry Server.
-// Copyright (C) 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) 2023 Parity Technologies (UK) Ltd.
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by

frontend/src/components/Tooltip.css

@@ -1,6 +1,6 @@
 /*
 Source code for the Substrate Telemetry Server.
-Copyright (C) 2021 Parity Technologies (UK) Ltd.
+Copyright (C) 2023 Parity Technologies (UK) Ltd.
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by

frontend/src/components/Tooltip.tsx

@@ -1,5 +1,5 @@
 // Source code for the Substrate Telemetry Server.
-// Copyright (C) 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) 2023 Parity Technologies (UK) Ltd.
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by

frontend/src/components/Truncate.tsx

@@ -1,5 +1,5 @@
 // Source code for the Substrate Telemetry Server.
-// Copyright (C) 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) 2023 Parity Technologies (UK) Ltd.
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by

frontend/src/components/index.ts

@@ -1,5 +1,5 @@
 // Source code for the Substrate Telemetry Server.
-// Copyright (C) 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) 2023 Parity Technologies (UK) Ltd.
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by

frontend/src/icons/assets.d.ts

@@ -1,5 +1,5 @@
 // Source code for the Substrate Telemetry Server.
-// Copyright (C) 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) 2023 Parity Technologies (UK) Ltd.
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by

frontend/src/index.css

@@ -1,6 +1,6 @@
 /*
 Source code for the Substrate Telemetry Server.
-Copyright (C) 2021 Parity Technologies (UK) Ltd.
+Copyright (C) 2023 Parity Technologies (UK) Ltd.
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by

frontend/src/index.tsx

@@ -1,5 +1,5 @@
 // Source code for the Substrate Telemetry Server.
-// Copyright (C) 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) 2023 Parity Technologies (UK) Ltd.
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
@@ -18,10 +18,7 @@ import * as React from 'react';
 import { createRoot } from 'react-dom/client';
 import App from './App';
 import './index.css';
-import { unregister } from './registerServiceWorker';
 
 const container = document.getElementById('root') as HTMLElement;
 const root = createRoot(container);
 root.render(<App />);
-
-unregister();

frontend/src/persist/Persistent.ts

@@ -1,5 +1,5 @@
 // Source code for the Substrate Telemetry Server.
-// Copyright (C) 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) 2023 Parity Technologies (UK) Ltd.
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by

frontend/src/persist/PersistentObject.ts

@@ -1,5 +1,5 @@
 // Source code for the Substrate Telemetry Server.
-// Copyright (C) 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) 2023 Parity Technologies (UK) Ltd.
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by

frontend/src/persist/PersistentSet.ts

@@ -1,5 +1,5 @@
 // Source code for the Substrate Telemetry Server.
-// Copyright (C) 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) 2023 Parity Technologies (UK) Ltd.
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by

frontend/src/persist/index.ts

@@ -1,5 +1,5 @@
 // Source code for the Substrate Telemetry Server.
-// Copyright (C) 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) 2023 Parity Technologies (UK) Ltd.
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by

frontend/src/registerServiceWorker.ts

@@ -1,34 +0,0 @@
-// Source code for the Substrate Telemetry Server.
-// Copyright (C) 2021 Parity Technologies (UK) Ltd.
-//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <https://www.gnu.org/licenses/>.
-
-// tslint:disable:no-console
-// In production, we register a service worker to serve assets from local cache.
-
-// 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 the 'N+1' visit to a page, since previously
-// cached resources are updated in the background.
-
-// To learn more about the benefits of this model, read https://goo.gl/KwvDNy.
-// This link also includes instructions on opting out of this behavior.
-
-export function unregister() {
-  if ('serviceWorker' in navigator) {
-    navigator.serviceWorker.ready.then((registration) => {
-      registration.unregister();
-    });
-  }
-}

frontend/src/state.ts

@@ -1,5 +1,5 @@
 // Source code for the Substrate Telemetry Server.
-// Copyright (C) 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) 2023 Parity Technologies (UK) Ltd.
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by

frontend/src/utils.ts

@@ -1,5 +1,5 @@
 // Source code for the Substrate Telemetry Server.
-// Copyright (C) 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) 2023 Parity Technologies (UK) Ltd.
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by