@tuplo/package-test

Imports a package and runs the code using different module strategies.

yarn start

or by tasks

yarn compile
yarn jest
yarn ts

or by individual strategies:

compile:cjs
compile:esm
compile:ts:nodenext
compile:ts:ts-node
compile:ts:tsx

jest:cjs
jest:esm
jest:ts

ts:commonjs
ts:nodenext

CommonJS/ESM Modules

• imports using require (commonjs)
• imports using import (esm)

Typescript

• checks types with moduleResolution: commonjs
• checks types with moduleResolution: nodenext

Jest

• tests a commonjs module (native behavior)
• tests a esm module (following instructions from docs)
• tests a ts module (with ts-jest)

Usage

• Install package yarn install @my/package-to-test
• Edit source files with imports/requires to package and a dummy call to it:
  • src/cjs/index.cjs
  • src/esm/index.mjs
  • src/ts/index.ts
• Run tests suite yarn start