Cant run

[MisaGu]

Node: v12.18.4 run: yarn install

[webpack-cli] TypeError: cli.isValidationError is not a function
    at Command.<anonymous> (C:\Users\User\Downloads\webpack-typescript-react-master\node_modules\@webpack-cli\serve\lib\index.js:96:25)
error Command failed with exit code 2.

[claudesortwell]

@MisaGu Not sure if you figured it out yet, but yarn add webpack-cli --dev should fix your issue

[vkvarma]

upgrade to latest version of library this will work :- "dependencies": { "@types/classnames": "2.2.10", "@types/react": "16.9.53", "@types/react-dom": "16.9.8", "classnames": "2.2.6", "normalize.css": "8.0.1", "react": "17.0.1", "react-dom": "17.0.1" }, "devDependencies": { "@babel/core": "7.12.3", "@babel/plugin-proposal-class-properties": "7.12.1", "@babel/plugin-proposal-export-default-from": "7.12.1", "@babel/plugin-proposal-export-namespace-from": "7.12.1", "@babel/plugin-proposal-object-rest-spread": "7.12.1", "@babel/plugin-proposal-throw-expressions": "7.12.1", "@babel/plugin-syntax-dynamic-import": "7.8.3", "@babel/plugin-transform-runtime": "7.12.1", "@babel/preset-env": "7.12.1", "@babel/preset-react": "7.12.1", "@babel/register": "7.12.1", "@pmmmwh/react-refresh-webpack-plugin": "0.4.2", "@svgr/webpack": "5.4.0", "@teamsupercell/typings-for-css-modules-loader": "2.4.0", "@typescript-eslint/eslint-plugin": "4.7.0", "@typescript-eslint/parser": "4.7.0", "autoprefixer": "10.0.1", "babel-eslint": "10.1.0", "babel-loader": "8.2.1", "clean-webpack-plugin": "3.0.0", "copy-webpack-plugin": "6.3.0", "core-js": "3.7.0", "css-loader": "5.0.0", "cssnano": "4.1.10", "eslint": "7.13.0", "eslint-config-airbnb-base": "14.2.0", "eslint-config-airbnb-typescript": "12.0.0", "eslint-config-prettier": "6.15.0", "eslint-import-resolver-alias": "1.1.2", "eslint-plugin-import": "2.22.1", "eslint-plugin-jsx-a11y": "6.4.1", "eslint-plugin-react": "7.21.5", "eslint-plugin-react-hooks": "4.2.0", "eslint-webpack-plugin": "2.2.1", "fork-ts-checker-webpack-plugin": "6.0.1", "html-loader": "1.3.2", "html-webpack-plugin": "5.0.0-alpha.6", "husky": "4.3.0", "import-sort-style-module-and-prefix": "0.1.3", "is-windows": "1.0.2", "less": "3.12.2", "less-loader": "7.0.2", "lint-staged": "10.5.0", "mini-css-extract-plugin": "1.3.0", "path": "0.12.7", "postcss-loader": "4.0.4", "prettier": "2.1.2", "prettier-plugin-import-sort": "0.0.6", "pretty-quick": "3.1.0", "react-refresh": "0.9.0", "regenerator-runtime": "0.13.7", "resolve-url-loader": "3.1.2", "sass": "1.29.0", "sass-loader": "10.0.4", "sass-resources-loader": "2.1.1", "style-loader": "2.0.0", "svg-url-loader": "6.0.0", "terser-webpack-plugin": "5.0.1", "ts-loader": "8.0.7", "typescript": "4.0.3", "url-loader": "4.1.1", "webpack": "5.21.2", "webpack-bundle-analyzer": "4.1.0", "webpack-cli": "4.5.0", "webpack-dev-server": "3.11.2", "webpack-merge": "5.7.3", "yargs": "16.1.0" },

[soumyart]

@vkvarma still not working

[claudesortwell]

@soumyart You don't have post css installed. Run npm install postcss or yarn add postcss

[glook]

@MisaGu Hi, thank you for your issue. You right, i fixed this issue in v1.0.5.