Function build

apps/content-analysis/scripts/build.js:132–205

( previousFileSizes )

// Create the production build and print the deployment instructions.
function build( previousFileSizes ) {
	// We used to support resolving modules according to `NODE_PATH`.
	// This now has been deprecated in favor of jsconfig/tsconfig.json
	// This lets you use absolute paths in imports inside large monorepos:
	if ( process.env.NODE_PATH ) {
		console.log(
			chalk.yellow(
				// eslint-disable-next-line max-len
				"Setting NODE_PATH to resolve modules absolutely has been deprecated in favor of setting baseUrl in jsconfig.json (or tsconfig.json if you are using TypeScript) and will be removed in a future major release of create-react-app.",
			),
		);
		console.log();
	}

	console.log( "Creating an optimized production build..." );

	const compiler = webpack( config );
	return new Promise( ( resolve, reject ) => {
		compiler.run( ( err, stats ) => {
			let messages;
			if ( err ) {
				if ( ! err.message ) {
					return reject( err );
				}

				let errMessage = err.message;

				// Add additional information for postcss errors
				if ( Object.prototype.hasOwnProperty.call( err, "postcssNode" ) ) {
					errMessage +=
						"\nCompileError: Begins at CSS selector " +
						err.postcssNode.selector;
				}

				messages = formatWebpackMessages( {
					errors: [ errMessage ],
					warnings: [],
				} );
			} else {
				messages = formatWebpackMessages(
					stats.toJson( { all: false, warnings: true, errors: true } ),
				);
			}
			if ( messages.errors.length ) {
				// Only keep the first error. Others are often indicative
				// Of the same problem, but confuse the reader with noise.
				if ( messages.errors.length > 1 ) {
					messages.errors.length = 1;
				}
				return reject( new Error( messages.errors.join( "\n\n" ) ) );
			}
			if (
				process.env.CI &&
				( typeof process.env.CI !== "string" ||
					process.env.CI.toLowerCase() !== "false" ) &&
				messages.warnings.length
			) {
				console.log(