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MIME type ('text/html') is not a supported style sheet MIME type when trying to add lazy loading for React components

I'm trying to add lazy loading for some React components for microfrontend service. Crashes due to loading the microservice from the parent container. While the main container is running, I see a crash window where the microservice should be mounted and errors in the DevTools console. On the team we use create-react-app and patch it CRACO , here is CRACO the configuration if necessary:

 module.exports = {
 webpack: {
 configure: {
 output: {
 publicPath: PUBLIC_PATH,
 filename: 'static/js/[name].js',
 },
 optimization: {
 runtimeChunk: false,
 splitChunks: {
 chunks() {
 return false;
 },
 },
 },
 },
 },
 plugins: [
 {
 plugin: {
 overrideWebpackConfig: ({ webpackConfig }) => {
 webpackConfig.plugins[5].options.filename = 'static/css/[name].css';
 webpackConfig.plugins[5].options.moduleFilename = () => 'static/css/main.css';
 return webpackConfig;
 },
 },
 options: {},
 },
 { plugin: require('@semantic-ui-react/craco-less') },
 ],
};

Here are the DevTools console errors:

Error loading fragments

Here is my build structure:

building structure

My manifest.json :

 {
 "short_name": "РНИС.",
 "name": "Региональная навигационно-информационная система.",
 "icons": [
 {
 "src": "favicon.ico",
 "sizes": "64x64 32x32 24x24 16x16",
 "type": "image/x-icon"
 },
 {
 "src": "logo192.png",
 "type": "image/png",
 "sizes": "192x192"
 },
 {
 "src": "logo384.png",
 "type": "image/png",
 "sizes": "384x384"
 }
 ],
 "start_url": ".",
 "display": "standalone",
 "theme_color": "#000000",
 "background_color": "#ffffff"
}

And my assert-manifest.json :

 {
 "files": {
 "main.css": "/static/css/main.css",
 "main.js": "/static/js/main.js",
 "static/css/346.8786d74d.chunk.css": "/static/css/346.8786d74d.chunk.css",
 "static/js/346.6b252fc4.chunk.js": "/static/js/346.6b252fc4.chunk.js",
 "static/css/542.59b5bc14.chunk.css": "/static/css/542.59b5bc14.chunk.css",
 "static/js/542.4b0e6a16.chunk.js": "/static/js/542.4b0e6a16.chunk.js",
 "static/media/brand-icons.svg": "/static/media/brand-icons.6729d29753e000c17489.svg",
 "static/media/icons.svg": "/static/media/icons.62d9dae4e0040e81c980.svg",
 "static/media/outline-icons.svg": "/static/media/outline-icons.9c4845b4b41ef40a22fa.svg",
 "static/media/icons.eot": "/static/media/icons.a01e3f2d6c83dc3aee17.eot",
 "static/media/icons.ttf": "/static/media/icons.c656b8caa454ed19b9a2.ttf",
 "static/media/brand-icons.eot": "/static/media/brand-icons.d68fa3e67dbb653a13ce.eot",
 "static/media/brand-icons.ttf": "/static/media/brand-icons.65a2fb6d9aaa164b41a0.ttf",
 "static/media/brand-icons.woff": "/static/media/brand-icons.cac87dc00c87a5d74711.woff",
 "static/media/brand-icons.woff2": "/static/media/brand-icons.278156e41e0ad908cf7f.woff2",
 "static/media/icons.woff": "/static/media/icons.425399f81e4ce7cbd967.woff",
 "static/media/icons.woff2": "/static/media/icons.38c6d8bab26db77d8c80.woff2",
 "static/media/outline-icons.eot": "/static/media/outline-icons.752905fa5edf21fc52a1.eot",
 "static/media/outline-icons.ttf": "/static/media/outline-icons.5367103510b27b784827.ttf",
 "static/media/flags.png": "/static/media/flags.99f63ae7a743f21ab308.png",
 "static/media/outline-icons.woff": "/static/media/outline-icons.ddae9b1ba9b0b42f5880.woff",
 "static/media/outline-icons.woff2": "/static/media/outline-icons.687a4990ea22bb1a49d4.woff2",
 "static/media/anchor-icon.svg": "/static/media/anchor-icon.ceb26001cd160d914fe93761e020e5a2.svg",
 "index.html": "/index.html",
 "main.css.map": "/static/css/main.css.map",
 "main.js.map": "/static/js/main.js.map",
 "346.8786d74d.chunk.css.map": "/static/css/346.8786d74d.chunk.css.map",
 "346.6b252fc4.chunk.js.map": "/static/js/346.6b252fc4.chunk.js.map",
 "542.59b5bc14.chunk.css.map": "/static/css/542.59b5bc14.chunk.css.map",
 "542.4b0e6a16.chunk.js.map": "/static/js/542.4b0e6a16.chunk.js.map"
 },
 "entrypoints": [
 "static/css/main.css",
 "static/js/main.js"
 ]
}

Everything is building and working fine while lazy loading is disabled (called importing certain components into the routing file). lazy use of React crashes the microfrontend service.

I already tried adding <base href="/"> a tag in index.html head-tag, but it didn't help. I tried removing the rel="stylesheet" attribute in the main.css link; fails the styles and still doesn't work.

over 2 years ago · Carlos Garzón Colorado
Answer question
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