lib.ts

@external("env", "_g")
export declare function GUARD(id: i32, maxiter: i32): i32

@external("env", "accept")
export declare function ACCEPT(read_ptr: string, read_len: i32, err: i64): i64

@external("env", "trace")
export declare function TRACE(mread_ptr: string, mread_len: i32, dread_ptr: string, dread_len: i32, as_hex: i32): i64

////////////////////

export function LOG (text: string): void {
  TRACE(text, text.length * 2, text, text.length * 2, 0)
}

export function OK (text: string = 'OK'): void {
  ACCEPT(text, text.length * 2, 0)
}

module.ts

import { GUARD, LOG, OK } from './lib';

export function cbak(reserved: i32): i64 {
  return 0
}

export function hook(reserved: i32): i64 {
  for (let i = 0; GUARD(10, 10), i < 3; i++) {
    LOG('-- LOOP :D --')
  }

  OK('-- OK :) --')

  GUARD(1, 1)

  return 0
}