Cli with deno

packages/cli/.gitignore

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+class
+config.json

packages/cli/README.md

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+# Class cli
+
+## Usage
+
+```shell
+deno --allow-read main.ts config.json 
+```
+
+## Compiled executable
+
+```shell
+deno compile --allow-read -o class main.ts
+ls -lnh class 
+-rwxr-xr-x 1 1000 1000 84M Oct 11 18:38 class
+```
+
+Run with
+
+```shell
+./class config.json
+```

packages/cli/deno.json

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+{
+  "name": "@classmodel/cli",
+  "version": "0.0.3",
+  "tasks": {
+    "dev": "deno run --watch main.ts"
+  },
+  "imports": {
+    "@classmodel/class": "jsr:@classmodel/class@^0.0.3"
+  }
+}

packages/cli/main.ts

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+import { classConfig } from "@classmodel/class/config";
+import { runClass } from "@classmodel/class/runner";
+
+function main(args: string[], logger = console) {
+  if (args.length !== 1) {
+    console.error("Usage: class <config-file.json>");
+    Deno.exit(1);
+  }
+  try {
+    const configFile = args[0];
+    const configAsString = Deno.readTextFileSync(configFile);
+    const rawConfig = JSON.parse(configAsString);
+    const config = classConfig.parse(rawConfig);
+    const output = runClass(config);
+    logger.log(JSON.stringify(output, null, 2));
+  } catch (error) {
+    logger.error("Error running class:", error);
+    Deno.exit(1);
+  }
+}
+
+// Learn more at https://docs.deno.com/runtime/manual/examples/module_metadata#concepts
+if (import.meta.main) {
+  main(Deno.args);
+}