previous REACT projects
run normally and display
yarn build
when using yarn start
still report an error after updating the webpack version
the following is my configuration installation package file:
{
"name": "management",
"version": "0.1.0",
"private": true,
"dependencies": {
"antd": "^3.4.1",
"autoprefixer": "7.1.6",
"axios": "^0.18.0",
"babel-core": "6.26.0",
"babel-eslint": "7.2.3",
"babel-jest": "20.0.3",
"babel-loader": "7.1.2",
"babel-preset-react-app": "^3.1.1",
"babel-runtime": "6.26.0",
"bizcharts": "^3.1.7",
"case-sensitive-paths-webpack-plugin": "2.1.1",
"chalk": "1.1.3",
"css-loader": "0.28.7",
"dotenv": "4.0.0",
"dotenv-expand": "4.2.0",
"eslint": "4.10.0",
"eslint-config-react-app": "^2.1.0",
"eslint-loader": "1.9.0",
"eslint-plugin-flowtype": "2.39.1",
"eslint-plugin-import": "2.8.0",
"eslint-plugin-jsx-a11y": "5.1.1",
"eslint-plugin-react": "7.4.0",
"extract-text-webpack-plugin": "3.0.2",
"file-loader": "1.1.5",
"fs-extra": "3.0.1",
"html-webpack-plugin": "2.29.0",
"jest": "20.0.4",
"object-assign": "4.1.1",
"postcss-flexbugs-fixes": "3.2.0",
"postcss-loader": "2.0.8",
"promise": "8.0.1",
"raf": "3.4.0",
"react": "^16.3.1",
"react-dev-utils": "^5.0.1",
"react-dom": "^16.3.1",
"react-redux": "^5.0.7",
"react-router": "^4.2.0",
"react-router-dom": "^4.2.2",
"redux": "^4.0.0",
"redux-thunk": "^2.2.0",
"resolve": "1.6.0",
"style-loader": "0.19.0",
"sw-precache-webpack-plugin": "0.11.4",
"url-loader": "0.6.2",
"webpack": "3.8.1",
"webpack-dev-server": "2.9.4",
"webpack-manifest-plugin": "1.3.2",
"whatwg-fetch": "2.0.3"
},
"scripts": {
"start": "node scripts/start.js",
"build": "node scripts/build.js",
"test": "node scripts/test.js --env=jsdom"
},
"devDependencies": {
"babel-plugin-import": "^1.7.0",
"babel-plugin-transform-decorators-legacy": "^1.3.4",
"less": "^3.0.1",
"less-loader": "^4.1.0",
"node-sass": "^4.8.3",
"sass-loader": "^6.0.7"
},
"jest": {
"collectCoverageFrom": [
"src/**/*.{js,jsx,mjs}"
],
"setupFiles": [
"<rootDir>/config/polyfills.js"
],
"testMatch": [
"<rootDir>/src/**/__tests__/**/*.{js,jsx,mjs}",
"<rootDir>/src/**/?(*.)(spec|test).{js,jsx,mjs}"
],
"testEnvironment": "node",
"testURL": "http://localhost",
"transform": {
"^.+\\.(js|jsx|mjs)$": "<rootDir>/node_modules/babel-jest",
"^.+\\.css$": "<rootDir>/config/jest/cssTransform.js",
"^(?!.*\\.(js|jsx|mjs|css|json)$)": "<rootDir>/config/jest/fileTransform.js"
},
"transformIgnorePatterns": [
"[/\\\\]node_modules[/\\\\].+\\.(js|jsx|mjs)$"
],
"moduleNameMapper": {
"^react-native$": "react-native-web"
},
"moduleFileExtensions": [
"web.js",
"js",
"json",
"web.jsx",
"jsx",
"node",
"mjs"
]
},
"babel": {
"presets": [
"react-app"
],
"plugins": [
"transform-decorators-legacy"
]
},
"eslintConfig": {
"extends": "react-app"
}
}
LOADER part
{
test: /\.(js|jsx|mjs)$/,
enforce: "pre",
use: [
{
options: {
formatter: eslintFormatter,
eslintPath: require.resolve("eslint"),
},
loader: require.resolve("eslint-loader"),
},
],
include: paths.appSrc,
},
{
// "oneOf" will traverse all following loaders until one will
// match the requirements. When no loader matches it will fall
// back to the "file" loader at the end of the loader list.
oneOf: [
// "url" loader works like "file" loader except that it embeds assets
// smaller than specified limit in bytes as data URLs to avoid requests.
// A missing `test` is equivalent to a match.
{
test: [/\.bmp$/, /\.gif$/, /\.jpe?g$/, /\.png$/],
loader: require.resolve("url-loader"),
options: {
limit: 10000,
name: "static/media/[name].[hash:8].[ext]",
},
},
// Process JS with Babel.
{
test: /\.(js|jsx|mjs)$/,
include: paths.appSrc,
loader: require.resolve("babel-loader"),
options: {
// This is a feature of `babel-loader` for webpack (not Babel itself).
// It enables caching results in ./node_modules/.cache/babel-loader/
// directory for faster rebuilds.
cacheDirectory: true,
// antd
plugins: [
["import", { libraryName: "antd", style: true }]
]
},
},
// "postcss" loader applies autoprefixer to our CSS.
// "css" loader resolves paths in CSS and adds assets as dependencies.
// "style" loader turns CSS into JS modules that inject <style> tags.
// In production, we use a plugin to extract that CSS to a file, but
// in development "style" loader enables hot editing of CSS.
{
test: /\.(css|scss)$/,
use: [
require.resolve("style-loader"),
{
loader: require.resolve("css-loader"),
options: {
importLoaders: 1,
},
},
{
loader: require.resolve("postcss-loader"),
options: {
// Necessary for external CSS imports to work
// https://github.com/facebookincubator/create-react-app/issues/2677
ident: "postcss",
plugins: () => [
require("postcss-flexbugs-fixes"),
autoprefixer({
browsers: [
">1%",
"last 4 versions",
"Firefox ESR",
"not ie < 9", // React doesn"t support IE8 anyway
],
flexbox: "no-2009",
}),
],
},
},
{
loader: require.resolve("sass-loader")
},
],
},
{
test: /\.less$/,
use: [
require.resolve("style-loader"),
{
loader: require.resolve("css-loader"),
options: {
importLoaders: 1,
},
},
{
loader: require.resolve("postcss-loader"),
options: {
// Necessary for external CSS imports to work
// https://github.com/facebookincubator/create-react-app/issues/2677
ident: "postcss",
plugins: () => [
require("postcss-flexbugs-fixes"),
autoprefixer({
browsers: [
">1%",
"last 4 versions",
"Firefox ESR",
"not ie < 9", // React doesn"t support IE8 anyway
],
flexbox: "no-2009",
}),
],
},
},
{
loader: require.resolve("less-loader"),
options: {
javascriptEnabled: true,
modifyVars: { "@primary-color": "@blue-6" }, //
},
},
],
},
// "file" loader makes sure those assets get served by WebpackDevServer.
// When you `import` an asset, you get its (virtual) filename.
// In production, they would get copied to the `build` folder.
// This loader doesn"t use a "test" so it will catch all modules
// that fall through the other loaders.
{
// Exclude `js` files to keep "css" loader working as it injects
// its runtime that would otherwise processed through "file" loader.
// Also exclude `html` and `json` extensions so they get processed
// by webpacks internal loaders.
exclude: [/\.(js|jsx|mjs)$/, /\.html$/, /\.json$/],
loader: require.resolve("file-loader"),
options: {
name: "static/media/[name].[hash:8].[ext]",
},
},
],
},
// ** STOP ** Are you adding a new loader?
// Make sure to add the new loader(s) before the "file" loader.
],
},