Initial commit

.gitignore

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+dist/
+
+node_modules/
+.node_modules/
+built/*
+tests/cases/rwc/*
+tests/cases/test262/*
+tests/cases/perf/*
+!tests/cases/webharness/compilerToString.js
+test-args.txt
+~*.docx
+\#*\#
+.\#*
+tests/baselines/local/*
+tests/baselines/local.old/*
+tests/services/baselines/local/*
+tests/baselines/prototyping/local/*
+tests/baselines/rwc/*
+tests/baselines/test262/*
+tests/baselines/reference/projectOutput/*
+tests/baselines/local/projectOutput/*
+tests/baselines/reference/testresults.tap
+tests/services/baselines/prototyping/local/*
+tests/services/browser/typescriptServices.js
+src/harness/*.js
+src/compiler/diagnosticInformationMap.generated.ts
+src/compiler/diagnosticMessages.generated.json
+src/parser/diagnosticInformationMap.generated.ts
+src/parser/diagnosticMessages.generated.json
+rwc-report.html
+*.swp
+build.json
+*.actual
+tests/webTestServer.js
+tests/webTestServer.js.map
+tests/webhost/*.d.ts
+tests/webhost/webtsc.js
+tests/cases/**/*.js
+!tests/cases/docker/*.js/
+tests/cases/**/*.js.map
+*.config
+scripts/eslint/built/
+scripts/debug.bat
+scripts/run.bat
+scripts/word2md.js
+scripts/buildProtocol.js
+scripts/ior.js
+scripts/authors.js
+scripts/configurePrerelease.js
+scripts/configureLanguageServiceBuild.js
+scripts/open-user-pr.js
+scripts/open-cherry-pick-pr.js
+scripts/processDiagnosticMessages.d.ts
+scripts/processDiagnosticMessages.js
+scripts/produceLKG.js
+scripts/importDefinitelyTypedTests/importDefinitelyTypedTests.js
+scripts/generateLocalizedDiagnosticMessages.js
+scripts/request-pr-review.js
+scripts/*.js.map
+scripts/typings/
+coverage/
+internal/
+**/.DS_Store
+.settings
+**/.vs
+**/.vscode/*
+!**/.vscode/tasks.json
+!**/.vscode/settings.template.json
+!**/.vscode/launch.template.json
+!**/.vscode/extensions.json
+!tests/cases/projects/projectOption/**/node_modules
+!tests/cases/projects/NodeModulesSearch/**/*
+!tests/baselines/reference/project/nodeModules*/**/*
+.idea
+yarn.lock
+yarn-error.log
+.parallelperf.*
+tests/cases/user/*/package-lock.json
+tests/cases/user/*/node_modules/
+tests/cases/user/*/**/*.js
+tests/cases/user/*/**/*.js.map
+tests/cases/user/*/**/*.d.ts
+!tests/cases/user/zone.js/
+!tests/cases/user/bignumber.js/
+!tests/cases/user/discord.js/
+tests/baselines/reference/dt
+.failed-tests
+TEST-results.xml
+package-lock.json
+tests/cases/user/npm/npm
+tests/cases/user/TypeScript-React-Starter/TypeScript-React-Starter
+tests/cases/user/TypeScript-Node-Starter/TypeScript-Node-Starter
+tests/cases/user/TypeScript-React-Native-Starter/TypeScript-React-Native-Starter
+tests/cases/user/TypeScript-Vue-Starter/TypeScript-Vue-Starter
+tests/cases/user/TypeScript-WeChat-Starter/TypeScript-WeChat-Starter
+tests/cases/user/create-react-app/create-react-app
+tests/cases/user/fp-ts/fp-ts
+tests/cases/user/webpack/webpack
+tests/cases/user/puppeteer/puppeteer
+tests/cases/user/axios-src/axios-src
+tests/cases/user/prettier/prettier
+.eslintcache

.vscode/tasks.json

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+{
+	"version": "2.0.0",
+	"tasks": [
+		{
+			"type": "typescript",
+			"tsconfig": "tsconfig.json",
+			"problemMatcher": [
+				"$tsc"
+			],
+			"group": {
+				"kind": "build",
+				"isDefault": true
+			},
+			"label": "tsc: Erstellen – tsconfig.json"
+		},
+		{
+			"type": "npm",
+			"script": "build",
+			"group": "build",
+			"problemMatcher": [],
+			"label": "npm: build",
+			"detail": "tsc -p ./"
+		}
+	]
+}

package.json

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+{
+  "scripts": {
+    "build": "npm install && tsc -p ./"
+  },
+  "devDependencies": {
+    "@tsconfig/node16": "^1.0.2",
+    "@types/node": "^16.7.1",
+    "@types/ws": "^7.4.7",
+    "typescript": "^4.3.5"
+  },
+  "dependencies": {
+    "ws": "^8.2.0"
+  }
+}

src/app.ts

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+import WebSocket from 'ws';
+
+const wss = new WebSocket.Server({ port: 8081 });
+const receivers: WebSocket[] = [];
+let sender: WebSocket | null = null;
+
+const paths = [] as string[];
+
+wss.on('connection', ws => {
+    console.log('CONNECTION incoming');
+    ws.once('message', message => {
+        const str = message.toString();
+        switch (str) {
+            case 'SENDER':
+                setSender(ws);
+                break;
+            case 'RECEIVER':
+                addReceiver(ws)
+                break;
+            default:
+                paths.push(str);
+                break;
+        }
+    });
+});
+
+console.log('READY');
+
+function addReceiver(ws: WebSocket) {
+    console.log('RECEIVER registered');
+    for (const path of paths) {
+        ws.send(path);
+    }
+    receivers.push(ws);
+
+    ws.onclose = () => {
+        // Remove receiver when connection closes
+        for (const [i, recv] of receivers.entries()) {
+            if (ws === recv) {
+                receivers.splice(i, 1);
+            }
+        }
+    };
+}
+
+function setSender(ws: WebSocket) {
+    console.log('SENDER is being registered')
+    if (sender) {
+        console.log('Removing current sender...')
+        sender.close();
+        clearPaths();
+    }
+
+    sender = ws;
+    ws.on('message', msg => processMessage(msg));
+}
+
+function processMessage(message: WebSocket.Data) {
+    const path = message.toString();
+    console.log('PATH RECEIVED: ' + path);
+    paths.push(path);
+
+    console.log('SENDING to ' + receivers.length, 'clients');
+    receivers.forEach(r => r.send(path));
+}
+
+function clearPaths() {
+    paths.splice(0, paths.length);
+    receivers.forEach(r => r.send("CLEAR"));
+    console.log('Paths have been cleared');
+}

tsconfig.json

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+{
+    "extends": "@tsconfig/node16/tsconfig.json",
+    "compilerOptions": {
+      "sourceMap": true,
+      "outDir": "dist",
+      "moduleResolution": "node"
+    },
+    "include": ["src/**/*"],
+    "exclude": ["node_modules", "**/*.spec.ts"]
+  }