Initial content

Chapter 06/End of Chapter/webapp/dist/count_promise.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.Count = void 0;
+const worker_threads_1 = require("worker_threads");
+const Count = (request, iterations, total) => {
+    return new Promise((resolve, reject) => {
+        const worker = new worker_threads_1.Worker(__dirname + "/count_worker.js", {
+            workerData: {
+                iterations, total, request
+            }
+        });
+        worker.on("message", (iter) => {
+            const msg = `Request: ${request}, Iteration: ${(iter)}`;
+            console.log(msg);
+        });
+        worker.on("exit", (code) => {
+            if (code !== 0) {
+                reject();
+            }
+            else {
+                resolve();
+            }
+        });
+        worker.on("error", reject);
+    });
+};
+exports.Count = Count;

Chapter 06/End of Chapter/webapp/dist/count_worker.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+const worker_threads_1 = require("worker_threads");
+console.log(`Worker thread ${worker_threads_1.workerData.request} started`);
+for (let iter = 0; iter < worker_threads_1.workerData.iterations; iter++) {
+    for (let count = 0; count < worker_threads_1.workerData.total; count++) {
+        count++;
+    }
+    worker_threads_1.parentPort?.postMessage(iter);
+}
+console.log(`Worker thread ${worker_threads_1.workerData.request} finished`);

Chapter 06/End of Chapter/webapp/dist/counter_cb.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.Count = void 0;
+const worker_threads_1 = require("worker_threads");
+const Count = (request, iterations, total, callback) => {
+    const worker = new worker_threads_1.Worker(__dirname + "/count_worker.js", {
+        workerData: {
+            iterations,
+            total,
+            request
+        }
+    });
+    worker.on("message", async (iter) => {
+        callback(null, iter);
+    });
+    worker.on("exit", async (code) => {
+        callback(code === 0 ? null : new Error(), true);
+    });
+    worker.on("error", async (err) => {
+        callback(err, true);
+    });
+};
+exports.Count = Count;

Chapter 06/End of Chapter/webapp/dist/handler.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.basicHandler = void 0;
+const fs_1 = require("fs");
+const basicHandler = (req, resp) => {
+    resp.write((0, fs_1.readFileSync)("static/index.html"));
+    resp.end();
+};
+exports.basicHandler = basicHandler;

Chapter 06/End of Chapter/webapp/dist/promises.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.writePromise = exports.endPromise = void 0;
+const http_1 = require("http");
+const util_1 = require("util");
+exports.endPromise = (0, util_1.promisify)(http_1.ServerResponse.prototype.end);
+exports.writePromise = (0, util_1.promisify)(http_1.ServerResponse.prototype.write);

Chapter 06/End of Chapter/webapp/dist/readHandler.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.readHandler = void 0;
+const readHandler = async (req, resp) => {
+    if (req.headers["content-type"] == "application/json") {
+        const payload = req.body;
+        if (payload instanceof Array) {
+            //resp.write(`Received an array with ${payload.length} items`)
+            resp.json({ arraySize: payload.length });
+        }
+        else {
+            resp.write("Did not receive an array");
+        }
+        resp.end();
+    }
+    else {
+        req.pipe(resp);
+    }
+};
+exports.readHandler = readHandler;
+// const createFromJsonTransform = () => new Transform({
+//     readableObjectMode: true,
+//     transform(data, encoding, callback) {
+//         callback(null, JSON.parse(data));
+//     }
+// });

Chapter 06/End of Chapter/webapp/dist/server.js

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+"use strict";
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+const http_1 = require("http");
+const express_1 = __importDefault(require("express"));
+const readHandler_1 = require("./readHandler");
+const port = 5000;
+const expressApp = (0, express_1.default)();
+expressApp.use(express_1.default.json());
+expressApp.post("/read", readHandler_1.readHandler);
+expressApp.get("/sendcity", (req, resp) => {
+    resp.sendFile("city.png", { root: "static" });
+});
+expressApp.get("/downloadcity", (req, resp) => {
+    resp.download("static/city.png");
+});
+expressApp.get("/json", (req, resp) => {
+    resp.json("{name: Bob}");
+});
+expressApp.use(express_1.default.static("static"));
+expressApp.use(express_1.default.static("node_modules/bootstrap/dist"));
+const server = (0, http_1.createServer)(expressApp);
+server.listen(port, () => console.log(`HTTP Server listening on port ${port}`));