What is the best approach to transpiling TypeScript aliased paths to JavaScript?

I am currently facing an issue with my TypeScript project where I need to transpile it into executable JavaScript while using path aliases for my NPM package development.

One specific scenario involves importing a method from the lib directory without specifying relative paths, like so:

import { hexify } from '@lib/utils/conversion';

Typically, I would rely on tsconfig-paths to handle path-aliases when running the application in development or production modes. However, I am looking for a way to transpile the code successfully into JavaScript without the necessity of using ts-node and tsconfig-paths.

Here is a snippet of my tsconfig.json file to provide additional context:

{
  "compilerOptions": {
    // Compiler options here
  },
}

Unfortunately, during the build process, my NPM package does not recognize the path aliases. Should I make adjustments to ensure compatibility with my NPM package, or should I consider switching all TypeScript imports using aliases to relative paths?

import { hexify } from '../lib/utils/conversion.ts'

Answer №1

At this time, there is no built-in method to achieve this within a tsc build process.

Fortunately, several third-party modules exist that can handle this task for you, such as ts-alias. A quick search on npm for "typescript path alias" reveals a total of 66 available modules: https://www.npmjs.com/search?q=typescript%20path%20alias

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