examples

.gitignore

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+.idea/

.vscode/settings.json

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+{
+    "deno.enable": true,
+    "deno.unstable": true,
+    "deno.lint": true,
+    "deno.import_intellisense_origins": {
+        "https://deno.land": true,
+    },
+    "[typescript]": {
+        "editor.defaultFormatter": "denoland.vscode-deno",
+    },
+    "[typescriptreact]": {
+        "editor.defaultFormatter": "denoland.vscode-deno",
+    }
+}

README.md

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+# Deno
+
+## 📑 Installation
+
+On macOS use HomeBrew to install `deno` then update to latest version.
+
+```shell
+brew install deno
+deno upgrade
+```
+
+## ⚙️ Configuration
+
+Create a basic configuration file using:
+
+```shell
+code .vscode/settings.json
+```
+
+with the following content
+
+```json
+{
+  "deno.enable": true,
+  "deno.unstable": true,
+  "deno.lint": true,
+  "deno.import_intellisense_origins": {
+    "https://deno.land": true
+  },
+  "[typescript]": {
+    "editor.defaultFormatter": "denoland.vscode-deno"
+  },
+  "[typescriptreact]": {
+    "editor.defaultFormatter": "denoland.vscode-deno"
+  }
+}
+```
+
+## 🧪 Test run
+
+Create a `index.ts` file such as
+
+```ts
+console.log("Hello, Deno");
+```
+
+then run
+
+```shell
+deno run --allow-net  index.ts
+```
+
+Checkout files in [examples](examples/) folder.

examples/echo_server.ts

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+// Run this example using
+// deno run --allow-net examples/echo_server.ts
+// nc localhost 8080
+// echo
+
+const hostname = "0.0.0.0";
+const port = 8080;
+
+const listener = Deno.listen({ hostname, port });
+
+console.log(`Listen on ${hostname}:${port}`);
+for await (const conn of listener) {
+  Deno.copy(conn, conn);
+}

examples/fetch.ts

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+// Run this example using
+// deno run --allow-net=example.com examples/fetch.ts
+
+const url = Deno.args[0]; // catch the first argument passed to the script
+const res = await fetch(url); //fetch over the net
+
+const body = new Uint8Array(await res.arrayBuffer()); //convert buffer to bytes
+await Deno.stdout.write(body); //write to terminal

examples/file.ts

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+// Run this example using
+// deno run --allow-read examples/file.ts
+
+const filenames = Deno.args;
+
+for (const filename of filenames) {
+  const file = await Deno.open(filename);
+  await Deno.copy(file, Deno.stdout);
+  file.close();
+}

index.ts

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+import { serve } from "https://deno.land/std@0.87.0/http/server.ts";
+
+const s = serve({ port: 8000 });
+
+console.log("http://localhost:8000/");
+for await (const req of s) {
+  req.respond({ body: "Hello, World\n" });
+}