app-transpiler

1.0.13 verified Fri May 01 auth: no javascript

app-transpiler is a build tool for transpiling JavaScript/TypeScript applications with a focus on simplicity and fast iteration. The current stable version is 1.0.13, released on an ad-hoc basis with no fixed cadence. It differentiates itself by offering zero-config setup and out-of-the-box support for JSX and modern ECMAScript features, targeting both Node.js and browser environments.

Common errors

error Error: Cannot find module 'app-transpiler' ↓

cause Package not installed or incorrect import path.

fix

Run 'npm install app-transpiler' and ensure the import statement is correct.

error SyntaxError: Unexpected token 'export' ↓

cause Using require() with an ESM-only package.

fix

Change require() to import syntax or use dynamic import.

error TypeError: transpile is not a function ↓

cause Wrong import style (e.g., default import used as object).

fix

Use named import: import { transpile } from 'app-transpiler'.

Warnings

gotcha The package is ESM-only; require() will throw an error. ↓

fix Use import syntax instead of require().

deprecated The 'transpile' function's callback parameter is deprecated. ↓

fix Use the promise-based API: await transpile(...) or transpile(...).then(...).

gotcha The package does not include TypeScript type definitions. ↓

fix Install @types/app-transpiler from DefinitelyTyped or create a declaration file manually.

Install

npm install app-transpiler

yarn add app-transpiler

pnpm add app-transpiler

Imports

transpile

wrong

const transpile = require('app-transpiler');

correct

import { transpile } from 'app-transpiler';

app-transpiler is ESM-only since v1.0.0.

createConfig

wrong

const createConfig = require('app-transpiler').createConfig;

correct

import { createConfig } from 'app-transpiler';

Named export, not default.

default

wrong

import { default } from 'app-transpiler';

correct

import transpiler from 'app-transpiler';

Default export represents the main transpiler function.

Quickstart

Transpile a simple arrow function with template literals to ES5-compatible code.

import { transpile } from 'app-transpiler';

const code = `
const greet = (name) => {
  console.log(`Hello, ${name}!`);
};
greet('World');`;

const result = await transpile(code, { presets: ['@babel/preset-env'] });
console.log(result.code);