import { join } from 'node:path';
import type {
CracoConfig,
CracoConfigOverride,
CracoPlugin,
WebpackConfigOverride,
} from '@craco/types';
import { getAlias, getConfiguration } from '@intlayer/config';
import { IntlayerPlugin as IntlayerWebpackPlugin } from '@intlayer/webpack';
import { defu } from 'defu';
import type { Configuration as WebpackConfig } from 'webpack';
// Get Intlayer configuration
const intlayerConfig = getConfiguration();
const alias = getAlias({
configuration: intlayerConfig,
formatter: (value: string) => join(process.cwd(), value),
});
/**
* Override the final CRA Webpack config.
* We explicitely type the return as WebpackConfig to solve TS2742.
*/
export const overrideWebpackConfig = ({
webpackConfig,
}: WebpackConfigOverride): WebpackConfig => {
// 1) Remove `module`, `fs`, `path`, `vm` from externals.
if (typeof webpackConfig.externals === 'object') {
webpackConfig.externals = {
...webpackConfig.externals,
esbuild: 'esbuild',
};
}
// 2) Properly push node-loader rule
webpackConfig.module?.rules?.push({
test: /\.node$/,
use: 'node-loader',
});
// We cast here to satisfy the internal function return type if there are minor discrepancies
return webpackConfig as WebpackConfig;
};
/**
* Override the CRACO config itself to set up aliases, fallbacks, and plugins.
*/
export const overrideCracoConfig = ({
cracoConfig,
}: CracoConfigOverride): CracoConfig =>
defu(
{
webpack: {
plugins: {
// defu overwrites arrays by default, so we manually preserve existing plugins
add: [
...(cracoConfig.webpack?.plugins?.add ?? []),
new IntlayerWebpackPlugin(intlayerConfig),
],
},
// Automatically merges deeply with existing aliases
alias,
},
},
cracoConfig
) as CracoConfig;
/**
* A CRACO plugin that adds the Intlayer configuration to the webpack configuration
* and sets the environment variables.
*/
export const intlayerCracoPlugin: CracoPlugin = {
overrideCracoConfig,
// We cast to `any` here to bypass the strict version mismatch between
// the 'webpack' package installed in your node_modules and the one expected by '@craco/types'
overrideWebpackConfig: overrideWebpackConfig as any,
};
