it(`uses default configuration for the ts-loader plugin when no config is provided`, () => {
const babelConfig = { plugins: [``] }
const config = {
loader: jest.fn(),
}
modifyWebpackConfig({ config, babelConfig }, { compilerOptions: {} })
const expectedOptions = {
compilerOptions: {
target: `esnext`,
experimentalDecorators: true,
jsx: `react`,
module: `commonjs`,
},
transpileOnly: true,
}
expect(config.loader).toHaveBeenCalledWith(`typescript`, {
test: /\.tsx?$/,
loaders: [
`babel?${JSON.stringify({ plugins: [``] })}`,
`ts-loader?${JSON.stringify(expectedOptions)}`,
],
})
})
it(`passes the configuration to the ts-loader plugin`, () => {
const babelConfig = { plugins: [``] }
const config = {
loader: jest.fn(),
}
const options = { compilerOptions: { foo: `bar` }, transpileOnly: false }
modifyWebpackConfig({ config, babelConfig }, options)
const expectedOptions = {
compilerOptions: {
target: `esnext`,
experimentalDecorators: true,
jsx: `react`,
foo: `bar`,
module: `commonjs`,
},
transpileOnly: false,
}
expect(config.loader).toHaveBeenCalledWith(`typescript`, {
test: /\.tsx?$/,
loaders: [
`babel?${JSON.stringify({ plugins: [``] })}`,
`ts-loader?${JSON.stringify(expectedOptions)}`,
],
})
})
it(`modifies webpack config`, () => {
const config = {
loader: jest.fn(),
}
modifyWebpackConfig({ config }, { compilerOptions: {} })
expect(config.loader).toHaveBeenCalledTimes(1)
const lastCall = config.loader.mock.calls.pop()
expect(lastCall).toMatchSnapshot()
})
it(`modifies webpack config with theme object for stage: ${stage}`, () => {
const config = { loader: jest.fn() }
const modified = modifyWebpackConfig({ config, stage }, options)
expect(modified).toBe(config)
loaderKeys.forEach(loaderKey =>
expect(config.loader).toBeCalledWith(
loaderKey,
expect.objectContaining(loaderConfig)
)
)
})