blog/jest/jest-preprocess.js

const { createTransformer } = require('babel-jest')

const babelOptions = {
  presets: ['babel-preset-gatsby', '@babel/preset-typescript']
}

module.exports = createTransformer(babelOptions)
migrate to TypeScript 2019-10-02 13:35:50 +02:00			`const { createTransformer } = require('babel-jest')`

setup testing 2019-05-02 21:11:52 +02:00			`const babelOptions = {`
migrate to TypeScript 2019-10-02 13:35:50 +02:00			`presets: ['babel-preset-gatsby', '@babel/preset-typescript']`
setup testing 2019-05-02 21:11:52 +02:00			`}`

migrate to TypeScript 2019-10-02 13:35:50 +02:00			`module.exports = createTransformer(babelOptions)`