jest-transformer-esbuild

A simple Jest transformer using esbuild.

Supports:

• mocks
• istanbul ignore comments, see below for details
• sync and async transformers
• Jest ESM mode

istanbul ignore comments should be defineds as multiline legal comments

1/*! istanbul ignore next */

Install

1npm install --save-dev @cloudventure/jest-transformer-esbuild
2
3yarn add -D @cloudventure/jest-transformer-esbuild

Usage

jest.config.json example:

1{
2    "transform": {
3        "^.+\\.tsx?$": ["@cloudventure/jest-transformer-esbuild"]
4    }
5}

ESM

Please follow this guide for enabling ESM for Jest https://jestjs.io/docs/ecmascript-modules.

jest.config.json example:

1{
2    "transform": {
3        "^.+\\.tsx?$": ["@cloudventure/jest-transformer-esbuild"]
4    },
5    "extensionsToTreatAsEsm": [".ts", ".tsx"]
6}