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javascript - import SVG as React Components with webpack 5 - Stack Overflow

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I want to use SVG as a React Component in my app. I'm using: react 17.0.2, Webpack 5.57.1, @svgr/webpack 6.2.1.

I followed the steps on adding svgr in webpack.config file as in svgr documents svgr-doc but there is an Error in the console dev tools:

react-dom.development.js:67 Warning: <data:image/svg+xml;base64,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 /> is using incorrect casing. Use PascalCase for React ponents, or lowercase for HTML elements.

and the SVG doesn't show. I can't import it as a React Component.

my App:

import React from 'react';
import ReactDOM from 'react-dom';

import CalendarIcon from './Calendar.svg'

const App = () => (
   <div>
       Test
       <CalendarIcon/>
   </div>
);

ReactDOM.render(<App />, document.getElementById('app'));

webpack file:

const path = require('path');
const HtmlWebPackPlugin = require('html-webpack-plugin');
const ModuleFederationPlugin = require('webpack/lib/container/ModuleFederationPlugin');

const deps = require('./package.json').dependencies;

module.exports = {
  output: {
    filename: '[name].[contenthash:20].esm.js',
    chunkFilename: '[name].[chunkhash:20].esm.js',
    hashFunction: 'xxhash64',
    pathinfo: false,
    crossOriginLoading: false,
    clean: true,
    publicPath: 'auto',
  },

  resolve: {
    extensions: ['.tsx', '.ts', '.jsx', '.js', '.json'],
  },

  devServer: {
    port: 3011,
    historyApiFallback: true,
  },

  module: {
    rules: [
      {
        test: /\.m?js/,
        type: 'javascript/auto',
        resolve: {
          fullySpecified: false,
        },
      },
      {
        test: /\.(css|s[ac]ss)$/i,
        use: ['style-loader', 'css-loader', 'postcss-loader'],
      },
      {
        test: /\.(ts|tsx|js|jsx)$/,
        exclude: /node_modules/,
        use: {
          loader: 'babel-loader',
        },
      },
      {
        test: /\.svg$/i,
        issuer: /\.[jt]sx?$/,
        use: ['@svgr/webpack'],
      },
      {
        test: /\.(?:ico|gif|png|jpg|jpeg)$/i,
        type: 'asset/resource',
      },
      {
        test: /\.(woff(2)?|eot|ttf|otf|svg|)$/,
        type: 'asset/inline',
      },
    ],
  },
  plugins: [
    new ModuleFederationPlugin({
      name: 'sidebar',
      filename: 'remoteEntry.js',
      remotes: {},
      exposes: {
        './SideBar': './src/ponents/Sidebar/index.tsx',
      },
      shared: {
        ...deps,
        react: {
          singleton: true,
          requiredVersion: deps.react,
        },
        'react-dom': {
          singleton: true,
          requiredVersion: deps['react-dom'],
        },
      },
    }),
    new HtmlWebPackPlugin({
      template: './src/index.html',
    }),
  ],
};

babelrc file:

{
  "presets": ["@babel/preset-typescript", "@babel/preset-react", "@babel/preset-env"],
  "plugins": [
    ["@babel/transform-runtime"],
    "babel-plugin-styled-ponents"
  ]
}

I want to use SVG as a React Component in my app. I'm using: react 17.0.2, Webpack 5.57.1, @svgr/webpack 6.2.1.

I followed the steps on adding svgr in webpack.config file as in svgr documents svgr-doc but there is an Error in the console dev tools:

react-dom.development.js:67 Warning: <data:image/svg+xml;base64,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 /> is using incorrect casing. Use PascalCase for React ponents, or lowercase for HTML elements.

and the SVG doesn't show. I can't import it as a React Component.

my App:

import React from 'react';
import ReactDOM from 'react-dom';

import CalendarIcon from './Calendar.svg'

const App = () => (
   <div>
       Test
       <CalendarIcon/>
   </div>
);

ReactDOM.render(<App />, document.getElementById('app'));

webpack file:

const path = require('path');
const HtmlWebPackPlugin = require('html-webpack-plugin');
const ModuleFederationPlugin = require('webpack/lib/container/ModuleFederationPlugin');

const deps = require('./package.json').dependencies;

module.exports = {
  output: {
    filename: '[name].[contenthash:20].esm.js',
    chunkFilename: '[name].[chunkhash:20].esm.js',
    hashFunction: 'xxhash64',
    pathinfo: false,
    crossOriginLoading: false,
    clean: true,
    publicPath: 'auto',
  },

  resolve: {
    extensions: ['.tsx', '.ts', '.jsx', '.js', '.json'],
  },

  devServer: {
    port: 3011,
    historyApiFallback: true,
  },

  module: {
    rules: [
      {
        test: /\.m?js/,
        type: 'javascript/auto',
        resolve: {
          fullySpecified: false,
        },
      },
      {
        test: /\.(css|s[ac]ss)$/i,
        use: ['style-loader', 'css-loader', 'postcss-loader'],
      },
      {
        test: /\.(ts|tsx|js|jsx)$/,
        exclude: /node_modules/,
        use: {
          loader: 'babel-loader',
        },
      },
      {
        test: /\.svg$/i,
        issuer: /\.[jt]sx?$/,
        use: ['@svgr/webpack'],
      },
      {
        test: /\.(?:ico|gif|png|jpg|jpeg)$/i,
        type: 'asset/resource',
      },
      {
        test: /\.(woff(2)?|eot|ttf|otf|svg|)$/,
        type: 'asset/inline',
      },
    ],
  },
  plugins: [
    new ModuleFederationPlugin({
      name: 'sidebar',
      filename: 'remoteEntry.js',
      remotes: {},
      exposes: {
        './SideBar': './src/ponents/Sidebar/index.tsx',
      },
      shared: {
        ...deps,
        react: {
          singleton: true,
          requiredVersion: deps.react,
        },
        'react-dom': {
          singleton: true,
          requiredVersion: deps['react-dom'],
        },
      },
    }),
    new HtmlWebPackPlugin({
      template: './src/index.html',
    }),
  ],
};

babelrc file:

{
  "presets": ["@babel/preset-typescript", "@babel/preset-react", "@babel/preset-env"],
  "plugins": [
    ["@babel/transform-runtime"],
    "babel-plugin-styled-ponents"
  ]
}
Share Improve this question asked Apr 10, 2022 at 20:15 avivlavivl 1231 gold badge1 silver badge6 bronze badges
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1 Answer 1

Reset to default 6

From your webpack rules configuration, it looks like you’re having a name clash with the last rule with type: "asset/inline", which is handling svg as well according to your test case.

To fix this, you can either remove svg in the last rule so that it bees

test: /\.(woff(2)?|eot|ttf|otf|)$/,

or you can configure webpack to use both rules with an additional constraint, as described in the SVGR docs. This is remended if you need the file contents at some other point in your application. For this, add

resourceQuery: /url/, // *.svg?url

To the last rule and

resourceQuery: { not: [/url/] }, // exclude react ponent if *.svg?url

To your @svgr/webpack rule.

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