docbrown/jest.config.js

23 lines
959 B
JavaScript

module.exports = {
collectCoverageFrom: [
'app/javascript/**/*.{js,jsx}',
// This exclusion avoids running coverage on Barrel files, https://twitter.com/housecor/status/981558704708472832
'!app/javascript/**/index.js',
'!app/javascript/packs/**/*.js', // avoids running coverage on webpacker pack files
'!**/__tests__/**',
'!**/__stories__/**',
],
moduleNameMapper: {
'\\.(svg|png)$': '<rootDir>/empty-module.js',
'^@crayons(.*)$': '<rootDir>/app/javascript/crayons$1',
},
snapshotSerializers: ['preact-render-spy/snapshot'],
// The webpack config folder for webpacker is excluded as it has a test.js file that gets
// picked up by jest if this folder is not excluded causing a false negative of a test suite failing.
testPathIgnorePatterns: [
'/node_modules/',
'./config/webpack',
// Allows developers to add utility modules that jest won't run as test suites.
'/__tests__/utilities/',
],
};