CLI lite parser for Node and Deno

#!/usr/bin/env -S deno run
// or for Node usage : #!/usr/bin/env node
// and after "npx jsr add @jersou/clite" : import { cliteRun } from "@jersou/clite";
import { cliteRun } from "jsr:@jersou/clite@0.4.0";
// or import { cliteRun } from "@jersou/clite"; // after "deno add @jersou/clite"

class Tool {
  retry = 2;
  webUrl = "none"; // fields are converted to kebab case as global options
  no_color; // → --no-color

  main() {
    console.log("main command", this);
  }
  up() {
    console.log("up command", this);
  }
  down(force, timeout) {
    console.log("down command", { force, timeout }, this);
  }
}

cliteRun(new Tool());

#!/usr/bin/env -S deno run -A
import { cliteRun } from "jsr:@jersou/clite@0.4.0";

class Tool {
  _desc = "This tool is a little example of CliteParser"; // optional description
  retry = 2;
  webUrl = "none"; // fields are converted to kebab case as global options
  no_color?: string | boolean; // → --no-color
  _no_color_desc = "skip colorize"; // optional description for "no_color" field
  _up_desc = "create and start"; // optional description for "up" command

  main() {
    console.log("main command", this);
  }

  up() {
    console.log("up command", this);
  }

  down(force: boolean, timeout: number) {
    console.log("down command", { force, timeout }, this);
  }
}

if (import.meta.main) { // if the file is imported, do not execute this block
  cliteRun(new Tool());
}

_privateData = 12;
_privmethod() {
  console.log("this method is not visible in the help (starts with '_')");
}

#privateData = 12;
#privmethod() {
  console.log("this method is not visible in the help (starts with '#')");
}

type CliteRunConfig = {
  args?: string[]; // default : Deno.args or process.argv.slice(2)
  dontPrintResult?: boolean; // default false : false, print the command return
  noCommand?: boolean; // no default command : do not run "main" methode if no arg
  printHelpOnError?: boolean; // print the help if an error is thrown and then re-throw the error
  mainFile?: string; // allows to change the name of the file in the help, instead of the default <{Class name} file>
  meta?: ImportMeta; // import.meta to use : don't run if the file is imported, and use import.meta.url in the help
};

import { cliteRun } from "jsr:@jersou/clite@0.4.0";
export class Tool {
  throw = "true";
  main() {
    if (this.throw === "true") {
      throw new Error("add --throw=false option !");
    }
    console.log("OK !");
  }
}
cliteRun(new Tool(), { printHelpOnError: true });

import { cliteRun } from "jsr:@jersou/clite@0.4.0";
export class Tool {
  noThrow = false;

  main() {
    if (!this.noThrow) {
      throw new Error("add --no-throw option !", { cause: { clite: true } });
    }
    console.log("OK !");
  }
}
cliteRun(new Tool());

cliteRun(new Tool(), { mainFile: "my-tool" });

if (import.meta.main) { // if the file is imported, do not execute this block
  cliteRun(new Tool());
}

cliteRun(new Tool(), { meta: import.meta });