bunsh

#!/usr/bin/env bun

import { $ } from 'bun'

const bunBuiltinsCommands = [
    'cd',
    'ls',
    'rm',
    'echo',
    'pwd',
    'bun',
    'cat',
    'touch',
    'mkdir',
    'which',
    'mv',
    'exit',
    'true',
    'false',
    'yes',
    'seq',
    'dirname',
    'basename',
]

const customFunctions : {[key: string]: (...args: any[]) => any} = {
    myFunction: (...args: any[]) => {
        console.log(`Args: ${args.join(' ')}`)
    },
    export: (...args: any[]) => {
        const [envName, value] = args[0].split('=');
        $.env({[envName]: value});
    },
}

$.env({A: 'test'})

const newLineConsole = () => console.write('$ ')

newLineConsole()

for await (const line of console) {
    const commandAndArgs = line.split(' ')
    const cmd = commandAndArgs[0]
    const args = commandAndArgs.slice(1)
    try {
        if (typeof customFunctions[cmd] === 'function') {
            customFunctions[cmd].call({}, ...args)
        } else {
            if (cmd === 'cd') {
                await $.cwd(args.join(' '))
            } else {
                await $`${cmd} ${{raw: args.join(' ')}}`
            }
        }
    } catch (err) {
        console.error(err)
    }
    newLineConsole()
}