[英]SASS throws an error Undefined Mixins: Module build failed (from ./node_modules/sass-loader/dist/cjs.js): SassError: Undefined mixin
[英]Module build failed (from ./node_modules/css-loader/dist/cjs.js): CssSyntaxError
我正在構建一個反應應用程序,我在一個文件中導入了一個 slider
然后我得到了一個 css-loader,我也在使用 webpack
這是我的 slider -
import React, {useState} from 'react';
import RubberSlider from '@shwilliam/react-rubber-slider';
import styles from '@shwilliam/react-rubber-slider/dist/styles.css';
export const Slider = () => {
const [value, setValue] = useState(0.5)
return <RubberSlider width={250} value={value} onChange={setValue} />
}
這個 ^ 將 go 在另一個組件中並被調用
但是當我發表評論時一切都很好 -
import styles from '@shwilliam/react-rubber-slider/dist/styles.css';
但是我需要這些 styles 用於 slider,當我運行我的 webpack 命令時,我得到了這個錯誤 -
ERROR in ./src/index.js (./node_modules/css-loader/dist/cjs.js!./node_modules/babel-loader/lib/index.js!./src/index.js)
Module build failed (from ./node_modules/css-loader/dist/cjs.js):
CssSyntaxError
(1:1) /Users/eddy/Projects/Sorting-Visualizer/src/index.js Unknown word
> 1 | import React from 'react';
| ^
2 | import ReactDOM from "react-dom";
3 | import App from "./App.js";
這是我的 webpack.config.js 文件-
const path = require("path");
const config = {
entry: "./src/index.js",
output: {
path: path.resolve(__dirname, "dist"),
filename: "bundle.js",
},
resolve: { extensions: [".mjs", ".js", ".jsx", ".css"] },
module: {
rules: [
{
test: /\.js|jsx|.css$/,
use: [ "style-loader", "css-loader", "babel-loader"],
exclude: /node_modules/,
// loader: "style-loader!css-loader"
},
]
},
}
module.exports = config;
我究竟做錯了什么? 謝謝!
此錯誤的根本原因是 css 加載程序多次編譯 css 文件。 檢查您的 webpack 配置是否有重復的 css 加載器條目。 從 webpack.config.js 中刪除 [ "style-loader", "css-loader" ] 並嘗試 npx webpack這可能是因為 css 加載器在您的應用程序中間接執行。
也許您在 index.html 和 src/index.js 中同時導入了樣式表......否則 webpack 將同時編譯它們......
If you see something like this in your index.css folder delete it.
images.jsx;
import email from '../assets/email.png';
import mobile from '../assets/mobile.png';
import api from '../assets/api.png';
import cpp from '../assets/cpp.png';
import css from '../assets/css.png';
import figma from '../assets/figma.png';
import flutter from '../assets/flutter.png';
import git from '../assets/git.png';
import graphql from '../assets/graphql.png';
import html from '../assets/html.png';
import javascript from '../assets/javascript.png';
import mu5 from '../assets/mu5.png';
import node from '../assets/node.png';
import python from '../assets/python.png';
import react from '../assets/react.png';
import redux from '../assets/redux.png';
import sass from '../assets/sass.png';
import typescript from '../assets/typescript.png';
import vue from '../assets/vue.png';
import about01 from '../assets/about01.png';
import about02 from '../assets/about02.png';
import about03 from '../assets/about03.png';
import about04 from '../assets/about04.png';
import profile from '../assets/profile.png';
import circle from '../assets/circle.svg';
import logo from '../assets/logo.png';
import adidas from '../assets/adidas.png';
import amazon from '../assets/amazon.png';
import asus from '../assets/asus.png';
import bolt from '../assets/bolt.png';
import nb from '../assets/nb.png';
import skype from '../assets/skype.png';
import spotify from '../assets/spotify.png';
export default {
email,
mobile,
api,
cpp,
css,
figma,
flutter,
git,
graphql,
html,
javascript,
mu5,
node,
python,
react,
redux,
sass,
typescript,
vue,
about01,
about02,
about03,
about04,
profile,
circle,
logo,
adidas,
amazon,
asus,
bolt,
nb,
skype,
spotify,
};
index.css
@import url("https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;700&display=swap");
this worked for me.
我遇到了同樣的問題,我在 npm 和 css 中運行了“npx webpack”。
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