Parse ansible module args in Deno

ansible.ts

export function parseAnsibleArgs(argsStr: string) {
  const parsedArgs: Record<string, string | boolean | string[] | null> = {};
  const argRegex = /(\S+)=('[^']*'|[^ ]+)/g;

  const matches = argsStr.matchAll(argRegex);
  for (const match of matches) {
    const key = match[1];
    let value = match[2];

    if (value === "None") {
      parsedArgs[key] = null;
    } else if (value.startsWith("'") && value.endsWith("'")) {
      parsedArgs[key] = value.slice(1, -1);
    } else if (
      value.toLowerCase() === "true" || value.toLowerCase() === "false"
    ) {
      parsedArgs[key] = value.toLowerCase() === "true";
    } else if (value.startsWith("[") && value.endsWith("]")) {
      // Remove brackets and split by comma and space
      parsedArgs[key] = value.slice(1, -1).split(/,\s*/);
    } else {
      parsedArgs[key] = value;
    }
  }

  return parsedArgs;
}

export function readAnsibleArgs<T = Record<string, any>>() {
  const rawArgs = Deno.readTextFileSync(Deno.args[0]);
  const args = parseAnsibleArgs(rawArgs);
  return args as T;
}

export function writeAnsibleResult(result: Record<string, any>) {
  const out = new TextEncoder().encode(JSON.stringify(result, null, 2));
  Deno.stdout.writeSync(out);
}

hello_ansible.ts

#!/usr/bin/env -S deno run --allow-read

import {
  readAnsibleArgs,
  writeAnsibleResult,
} from "https://gist.githubusercontent.com/ball6847/64a35e289df6f8249e381b9f095a2157/raw/570fc05f338a5689b26f11353a8db03a791c0659/ansible.ts";

type AnsibleArgs = {
  msg: string;
};

const args = readAnsibleArgs<AnsibleArgs>();

const result = {
  changed: false,
  msg: "This is my output",
  args: args.msg,
};

writeAnsibleResult(result);

Warning, don't directly import ansible.ts directly from this gist as this could be changed anytime and for your security ofcourse.