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/**
* WARNING: No ES6 modules here. Not transpiled!
*/
const { existsSync } = require( 'fs' );
const path = require( 'path' );
const getBaseWebpackConfig = require( '@automattic/calypso-build/webpack.config.js' );
const ReadableJsAssetsWebpackPlugin = require( '@wordpress/readable-js-assets-webpack-plugin' );
const CopyPlugin = require( 'copy-webpack-plugin' );
const webpack = require( 'webpack' );
const GenerateChunksMapPlugin = require( '../../build-tools/webpack/generate-chunks-map-plugin' );
function ifExists( rule ) {
return existsSync( rule.from ) ? rule : undefined;
}
function getWebpackConfig( env = { block: '' }, argv ) {
const webpackConfig = getBaseWebpackConfig( { ...env, WP: true }, argv );
const isProduction = process.env.NODE_ENV === 'production';
const blockName = env.block.split( '/' ).pop();
const blockPath = path.join( __dirname, 'block-library/', blockName );
if ( ! blockName ) {
throw new Error( 'No block specified.' );
}
const entry = () => {
return {
index: path.join( blockPath, 'index' ),
view: path.join( blockPath, 'view' ),
};
};
return {
...webpackConfig,
entry,
output: {
...webpackConfig.output,
path: path.join( blockPath, '/build/' ),
filename: '[name].js',
},
plugins: [
...webpackConfig.plugins,
new ReadableJsAssetsWebpackPlugin(),
new CopyPlugin( {
patterns: [
ifExists( {
from: path.resolve( blockPath, 'assets' ),
to: path.resolve( blockPath, 'build/assets', '[name][ext]' ),
} ),
ifExists( {
from: path.resolve( blockPath, 'index.php' ),
to: path.resolve( blockPath, 'build', '[name][ext]' ),
transform( content ) {
return content
.toString()
.replaceAll( '/build/rtl', '/rtl' )
.replaceAll( '/build', '' );
},
} ),
ifExists( {
from: path.resolve( blockPath, 'includes.php' ),
to: path.resolve( blockPath, 'build', '[name][ext]' ),
transform( content ) {
return content
.toString()
.replaceAll( '/build/rtl', '/rtl' )
.replaceAll( '/build', '' );
},
} ),
ifExists( {
from: path.resolve( blockPath, 'block.json' ),
to: path.resolve( blockPath, 'build', '[name][ext]' ),
} ),
ifExists( {
from: path.resolve( blockPath, 'rtl/block.json' ),
to: path.resolve( blockPath, 'build/rtl', '[name][ext]' ),
} ),
].filter( Boolean ),
} ),
new webpack.DefinePlugin( {
__i18n_text_domain__: JSON.stringify( 'happy-blocks' ),
} ),
...( isProduction
? [
new GenerateChunksMapPlugin( {
output: path.join( blockPath, 'build/chunks-map.json' ),
} ),
]
: [] ),
],
};
}
module.exports = getWebpackConfig;
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