gtavjs-ts-bundler/index.js

Bundle GTAVJS mod declaration files into a multi-modules index.d.ts file.

#!/usr/bin/env node

import { appendFile, readdir, readFile, rm, stat } from 'fs/promises'
import { basename, join, resolve } from 'path'
import { existsSync } from 'fs'
import chalk from 'chalk'
import commandLineArgs from 'command-line-args'

console.log(chalk.blue(`                     
 _____ _____ _____ _____    __ _____ 
|   __|_   _|  _  |  |  |__|  |   __|
|  |  | | | |     |  |  |  |  |__   |
|_____| |_| |__|__|\\___/|_____|_____|
        TS Bundler v1.0.1
`))


const options = commandLineArgs([
    { name: 'declarationDir', alias: 'i', type: String, defaultValue: "scripts/" },
    { name: 'outputFile', alias: 'o', type: String, defaultValue: "index.d.ts" }
])

console.log(chalk.blue("Bundler Options:\n"), `declarationDir = ${options.declarationDir}`, '\n', `outputFile     = ${options.outputFile}`, '\n')

async function getAllDeclarationFiles(path, arrayOfFiles) {
    const files = await readdir(path)
    arrayOfFiles = arrayOfFiles || []

    for (const file of files) {
        if ((await stat(join(path, file))).isDirectory()) {
            arrayOfFiles = await getAllDeclarationFiles(join(path, file), arrayOfFiles)
        } else if (file.endsWith(".d.ts")) {
            arrayOfFiles.push(join(path, file))
        }
    }
    return arrayOfFiles
}

async function execute() {
    const modName = basename(resolve("./"))
    console.log(chalk.blueBright(`Creating declaration bundle for '${modName}'...`))
    
    await getAllDeclarationFiles(join("./", options.declarationDir)).then(async (files) => {
        const outFile = join("./", options.outputFile)
        if (existsSync(outFile)) await rm(outFile)
        for (const file of files) {
            let content = await readFile(file, "utf-8")
            content = content.split("declare ").join("").split("\n").join("\n    ")
            content = `declare module \"${join(modName, file.replace(".d.ts", "")).split("\\").join("/")}\" {\n\n    ` + content
            content = content + "\n}\n"
            await appendFile(outFile, content, "utf-8")
        }
        console.log(chalk.greenBright(`Bundled into './${outFile}' successfully!`))
    })
}

execute()
.catch(error => console.error(chalk.red(error)))