implemented frontend including separate message system; started to implement backend

yjs-poll/node_modules/isomorphic.js/LICENSE

@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2020 Kevin Jahns <kevin.jahns@protonmail.com>.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

yjs-poll/node_modules/isomorphic.js/README.md

@@ -0,0 +1,3 @@
+# Isomorphic.js
+
+This module provides platform-specific features as a common API. This module is mainly about providing crypto features to node, browser, and non-supported platforms using a polyfill.

yjs-poll/node_modules/isomorphic.js/browser.js

@@ -0,0 +1,28 @@
+/* eslint-env browser */
+const perf = typeof performance === 'undefined' ? null : performance
+
+const isoCrypto = typeof crypto === 'undefined' ? null : crypto
+
+/**
+ * @type {function(number):ArrayBuffer}
+ */
+const cryptoRandomBuffer = isoCrypto !== null
+  ? len => {
+    // browser
+    const buf = new ArrayBuffer(len)
+    const arr = new Uint8Array(buf)
+    isoCrypto.getRandomValues(arr)
+    return buf
+  }
+  : len => {
+    // polyfill
+    const buf = new ArrayBuffer(len)
+    const arr = new Uint8Array(buf)
+    for (let i = 0; i < len; i++) {
+      arr[i] = Math.ceil((Math.random() * 0xFFFFFFFF) >>> 0)
+    }
+    return buf
+  }
+
+exports.performance = perf
+exports.cryptoRandomBuffer = cryptoRandomBuffer

yjs-poll/node_modules/isomorphic.js/browser.mjs

@@ -0,0 +1,25 @@
+/* eslint-env browser */
+export const performance = typeof window === 'undefined' ? null : (typeof window.performance !== 'undefined' && window.performance) || null
+
+const isoCrypto = typeof crypto === 'undefined' ? null : crypto
+
+/**
+ * @type {function(number):ArrayBuffer}
+ */
+export const cryptoRandomBuffer = isoCrypto !== null
+  ? len => {
+    // browser
+    const buf = new ArrayBuffer(len)
+    const arr = new Uint8Array(buf)
+    isoCrypto.getRandomValues(arr)
+    return buf
+  }
+  : len => {
+    // polyfill
+    const buf = new ArrayBuffer(len)
+    const arr = new Uint8Array(buf)
+    for (let i = 0; i < len; i++) {
+      arr[i] = Math.ceil((Math.random() * 0xFFFFFFFF) >>> 0)
+    }
+    return buf
+  }

yjs-poll/node_modules/isomorphic.js/iso.js

@@ -0,0 +1,18 @@
+
+const isNode = typeof process !== 'undefined' && process.release && /node|io\.js/.test(process.release.name)
+
+const isoBrowser = require('./browser.js')
+
+const perf = isNode ? require('perf_hooks').performance : isoBrowser.performance
+const nodeCrypto = isNode ? require('crypto') : null
+
+/**
+ * @type {function(number):ArrayBuffer}
+ */
+const cryptoRandomBuffer = nodeCrypto
+  // node
+  ? len => nodeCrypto.randomBytes(len).buffer
+  : isoBrowser.cryptoRandomBuffer
+
+exports.performance = perf
+exports.cryptoRandomBuffer = cryptoRandomBuffer

yjs-poll/node_modules/isomorphic.js/node.mjs

@@ -0,0 +1,5 @@
+import perfHooks from 'perf_hooks'
+import crypto from 'crypto'
+
+export const performance = perfHooks.performance
+export const cryptoRandomBuffer = len => crypto.randomBytes(len).buffer

yjs-poll/node_modules/isomorphic.js/package.json

@@ -0,0 +1,66 @@
+{
+  "name": "isomorphic.js",
+  "version": "0.2.5",
+  "description": "Isomorphic JavaScript helper functions (performance, crpyto, ..)",
+  "sideEffects": false,
+  "main": "./iso.js",
+  "browser": "./browser.mjs",
+  "unpkg": "./browser.mjs",
+  "module": "./browser.mjs",
+  "exports": {
+    ".": {
+      "node": {
+        "import": "./node.mjs",
+        "require": "./iso.js"
+      },
+      "browser": {
+        "import": "./browser.mjs",
+        "require": "./browser.js"
+      },
+      "default": {
+        "import": "./browser.mjs",
+        "require": "./iso.js"
+      }
+    },
+    "./package.json": "./package.json"
+  },
+  "dependencies": {},
+  "funding": {
+    "type": "GitHub Sponsors ❤",
+    "url": "https://github.com/sponsors/dmonad"
+  },
+  "devDependencies": {
+    "@types/node": "^13.13.9",
+    "standard": "^14.3.4",
+    "typescript": "^3.9.3"
+  },
+  "scripts": {
+    "test": "npm run lint",
+    "lint": "standard && tsc",
+    "preversion": "npm run test"
+  },
+  "files": [
+    "browser.js",
+    "browser.mjs",
+    "iso.js",
+    "node.js",
+    "node.mjs"
+  ],
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/dmonad/isomorphic.js.git"
+  },
+  "author": "Kevin Jahns <kevin.jahns@protonmail.com>",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/dmonad/isomorphic.js/issues"
+  },
+  "homepage": "https://github.com/dmonad/isomorphic.js#readme",
+  "standard": {
+    "ignore": [
+      "/dist",
+      "/node_modules",
+      "/docs"
+    ]
+  }
+}