El NPM SIEMPRE hace eso ... y este código se ejecuta fácilmente cuando registro el bloque como un complemento ... ¡pero cuando uso el paquete web, haga eso!

 <s> [webpack.Progress] 99% done plugins <s> [webpack.Progress] 99% done plugins <s> [webpack.Progress] 99% asset main.js 6.46 KiB [compared for emit] (name: main) runtime modules 937 bytes 4 modules cacheable modules 7.36 KiB ./src/index.js 499 bytes [built] [code generated] ./src/Blocks/aboutus.js 6.44 KiB [built] [code generated] [1 error] ./src/js/gutenberg/blocks/firstRightWay/first.js 435 bytes [built] [code generated] [1 error] ERROR in ./src/Blocks/aboutus.js 68:8 Module parse failed: Unexpected token (68:8) You may need an appropriate loader to handle this file type, currently no loaders are configured to process this file. See https://webpack.js.org/concepts#loaders | | return ([ > <InspectorControls style={{ marginBottom: "40px" }}> | <PanelBody> | <p>Select The Image !</p> @ ./src/index.js 6:0-48 7:0-12 ERROR in ./src/js/gutenberg/blocks/firstRightWay/first.js 9:15 Module parse failed: Unexpected token (9:15) You may need an appropriate loader to handle this file type, currently no loaders are configured to process this file. See https://webpack.js.org/concepts#loaders | category: 'design', | edit() { > return <div>Hello World, step 1 (from the editor).</div> | }, | save() { @ ./src/index.js 15:0-66 17:0-5 webpack 5.69.1 compiled with 2 errors in 264 ms <s> [webpack.Progress] 99% cache store build dependencies <s> [webpack.Progress] 99% cache store build dependencies <s> [webpack.Progress] 99% cache begin idle <s> [webpack.Progress] 99% cache begin idle <s> [webpack.Progress] 100%

hay algún paquete o algo así que nunca usé ... pero en su mayoría es el mismo paquete.json que se ejecuta