{"id":30433222,"url":"https://github.com/itsdevdom/react-eslint-prettier-demo","last_synced_at":"2026-04-04T20:32:02.230Z","repository":{"id":66237603,"uuid":"336015419","full_name":"itsdevdom/react-eslint-prettier-demo","owner":"itsdevdom","description":"Demo for a React project using ESLint and Prettier, using GitHub actions as CI","archived":false,"fork":false,"pushed_at":"2021-02-06T19:10:06.000Z","size":195,"stargazers_count":1,"open_issues_count":0,"forks_count":0,"subscribers_count":1,"default_branch":"main","last_synced_at":"2025-08-22T23:00:25.699Z","etag":null,"topics":["actions","ci","create-react-app","eslint","prettier","react"],"latest_commit_sha":null,"homepage":"","language":"TypeScript","has_issues":false,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":null,"status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/itsdevdom.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":null,"code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null}},"created_at":"2021-02-04T16:33:07.000Z","updated_at":"2021-02-06T19:10:08.000Z","dependencies_parsed_at":"2023-02-20T16:46:03.144Z","dependency_job_id":null,"html_url":"https://github.com/itsdevdom/react-eslint-prettier-demo","commit_stats":null,"previous_names":["itsdevdom/react-eslint-prettier-demo","dominique-mueller/react-eslint-prettier-demo"],"tags_count":0,"template":false,"template_full_name":null,"purl":"pkg:github/itsdevdom/react-eslint-prettier-demo","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/itsdevdom%2Freact-eslint-prettier-demo","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/itsdevdom%2Freact-eslint-prettier-demo/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/itsdevdom%2Freact-eslint-prettier-demo/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/itsdevdom%2Freact-eslint-prettier-demo/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/itsdevdom","download_url":"https://codeload.github.com/itsdevdom/react-eslint-prettier-demo/tar.gz/refs/heads/main","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/itsdevdom%2Freact-eslint-prettier-demo/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":286080680,"owners_count":31413267,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2026-04-04T20:09:54.854Z","status":"ssl_error","status_checked_at":"2026-04-04T20:09:44.350Z","response_time":60,"last_error":"SSL_read: unexpected eof while reading","robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":false,"can_crawl_api":true,"host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["actions","ci","create-react-app","eslint","prettier","react"],"created_at":"2025-08-22T22:20:47.686Z","updated_at":"2026-04-04T20:32:02.195Z","avatar_url":"https://github.com/itsdevdom.png","language":"TypeScript","funding_links":[],"categories":[],"sub_categories":[],"readme":"\u003cdiv align=\"center\"\u003e\n\n# react-eslint-prettier-demo\n\nDemo for a **[React](https://reactjs.org/)** project using **[ESLint](https://eslint.org/)** and **[Prettier](https://prettier.io/)**, using\nGitHub actions as CI\n\n\u003c/div\u003e\n\n\u003cbr\u003e\u003cbr\u003e\n\n## 1. Setup React application\n\nUsing **[Create React App](https://create-react-app.dev)**\n\n``` bash\nnpx create-react-app react-eslint-prettier-demo --template typescript\n```\n\n\u003e Due to an incompatibility issue, this demo uses a downgraded version of TypeScript (`4.0.x` instead of `4.1.x`), which also requires the\n\u003e `compilerOptions.jsx` value to be changed from `react-jsx` to `react`.\n\n\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\n\n## 2. Setup ESLint w/ TypeScript support\n\nUsing **[ESLint](https://eslint.org/docs/user-guide/getting-started)**,\n**[TypeScript ESLint](https://github.com/typescript-eslint/typescript-eslint/blob/master/docs/getting-started/linting/README.md )**\n\n\u003cbr\u003e\n\n### Install dependencies\n\n`package.json`\n\n``` diff\n  {\n    \"devDependencies\": {\n+     \"eslint\": \"x.x.x\",\n+     \"@typescript-eslint/parser\": \"x.x.x\",\n+     \"@typescript-eslint/eslint-plugin\": \"x.x.x\"\n    }\n  }\n```\n\n``` bash\nnpm install\n```\n\n\u003cbr\u003e\n\n### Configure ESLint\n\n`.eslintrc`\n\n``` diff\n+ {\n+   \"extends\": [\n+     \"eslint:recommended\",\n+     \"plugin:@typescript-eslint/eslint-recommended\",\n+     \"plugin:@typescript-eslint/recommended\"\n+    ],\n+   \"parser\": \"@typescript-eslint/parser\",\n+   \"parserOptions\": {\n+     \"ecmaVersion\": 2018,\n+     \"sourceType\": \"module\",\n+     \"ecmaFeatures\": {\n+       \"jsx\": true\n+     }\n+   },\n+   \"plugins\": [\n+     \"@typescript-eslint\"\n+   ]\n+ }\n```\n\n\u003cbr\u003e\n\n### Setup scripts\n\n`package.json`\n\n``` diff\n  {\n    \"scripts\": {\n+     \"lint\": \"eslint src/**/*.{ts,tsx} --max-warnings 0\",\n+     \"lint:fix\": \"eslint src/**/*.{ts,tsx} --max-warnings 0 --fix\"\n    }\n  }\n```\n\n\u003cbr\u003e\n\n### Bonus: Remove ESLint from build steps\n\n`package.json`\n\n``` diff\n  {\n    \"devDependencies\": {\n+     \"cross-env\": \"x.x.x\"\n    }\n  }\n```\n\n```\nnpm install\n```\n\n`package.json`\n\n``` diff\n  {\n    \"scripts\": {\n-     \"start\": \"react-scripts start\",\n+     \"start\": \"cross-env DISABLE_ESLINT_PLUGIN=true react-scripts start\",\n-     \"build\": \"react-scripts build\",\n+     \"build\": \"cross-env DISABLE_ESLINT_PLUGIN=true react-scripts build\",\n    }\n  }\n```\n\n\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\n\n## 3. Add ESLint React support\n\nUsing **[eslint-plugin-react](https://github.com/yannickcr/eslint-plugin-react)**,\n**[eslint-plugin-react-hooks](https://github.com/facebook/react/tree/master/packages/eslint-plugin-react-hooks)**\n\n\u003cbr\u003e\n\n## Install dependencies\n\n`package.json`\n\n``` diff\n  {\n    \"devDependencies\": {\n+     \"eslint-plugin-react\": \"x.x.x\",\n+     \"eslint-plugin-react-hooks\": \"x.x.x\",\n    }\n  }\n```\n\n```\nnpm install\n```\n\n\u003cbr\u003e\n\n## Configure ESLint\n\n`.eslintrc`\n\n``` diff\n  {\n    \"extends\": [\n+     \"react-app\",\n+     \"plugin:react/recommended\",\n+     \"plugin:react-hooks/recommended\"\n    ],\n\n    \"plugins\": [\n+     \"react\",\n+     \"react-hooks\"\n    ],\n\n+   \"settings\": {\n+     \"react\": {\n+       \"version\": \"detect\"\n+     }\n+   },\n  }\n```\n\n\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\n\n## 4. Setup Prettier w/ ESLint integration\n\nUsing, **[Prettier](https://prettier.io/)**, **[eslint-plugin-prettier](https://github.com/prettier/eslint-plugin-prettier)**,\n**[eslint-config-prettier](https://github.com/prettier/eslint-config-prettier)**\n\n\u003cbr\u003e\n\n### Install dependencies\n\n`package.json`\n\n``` diff\n  {\n    \"devDependencies\": {\n+     \"eslint-config-prettier\": \"x.x.x\",\n+     \"eslint-plugin-prettier\": \"x.x.x\",\n+     \"prettier\": \"x.x.x\",\n    }\n  }\n```\n\n```\nnpm install\n```\n\n\u003cbr\u003e\n\n### Configure Prettier\n\n`.prettierrc`\n\n``` diff\n+ {\n+   \"endOfLine\": \"auto\",\n+   \"jsxBracketSameLine\": false,\n+   \"printWidth\": 140,\n+   \"singleQuote\": true,\n+   \"trailingComma\": \"all\"\n+ }\n```\n\n\u003cbr\u003e\n\n## Configure ESLint\n\n`.eslintrc`\n\n``` diff\n  {\n    \"extends\": [\n+     \"prettier/@typescript-eslint\",\n+     \"plugin:prettier/recommended\",\n+     \"prettier/react\"\n    ],\n\n    \"plugins\": [\n+     \"prettier\"\n    ]\n  }\n```\n\n\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\n\n## Visual Studio Code integration\n\n\u003cbr\u003e\n\n### Extensions\n\n- ESLint\u003cbr /\u003ehttps://marketplace.visualstudio.com/items?itemName=dbaeumer.vscode-eslint\n- Prettier\u003cbr /\u003ehttps://marketplace.visualstudio.com/items?itemName=esbenp.prettier-vscode\n\n\u003cbr\u003e\n\n### Autofix on save\n\n`settings.json`\n\n``` diff\n+ \"editor.codeActionsOnSave\": {\n+   \"source.fixAll.eslint\": true\n+ }\n```\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fitsdevdom%2Freact-eslint-prettier-demo","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fitsdevdom%2Freact-eslint-prettier-demo","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fitsdevdom%2Freact-eslint-prettier-demo/lists"}