ErrLookup › react/create-react-app
react/create-react-app
Set up a modern web app by running one command. · JavaScript · 124 source files
Analyzed at 6254386531 on 2026-08-12. 13 documented errors.
| Code / Message | Type | Severity | Tags |
|---|---|---|---|
| Preset react-app: '${name}' option must be a boolean. | validation | error | babel, config, boolean, preset, validation |
| Using `babel-preset-react-app` requires that you specify `NO | validation | critical | environment, babel, node-env, preset |
| Preset react-app: '${name}' option must be a boolean. | validation | error | babel, config, boolean, preset, dependencies, validation |
| Using `babel-preset-react-app` requires that you specify `NO | validation | critical | environment, babel, node-env, dependencies, preset |
| Could not find an open port at ${host}.\nNetwork error messa | exception | error | network, port, dev-server, webpack, host |
| The NODE_ENV environment variable is required but was not sp | validation | critical | environment, node-env, react-scripts, dotenv, config |
| The certificate "${crtFile}" is invalid.\n${err.message} | validation | error | https, ssl, certificate, crypto, config |
| The certificate key "${keyFile}" is invalid.\n${err.message} | validation | error | https, ssl, certificate, crypto, config, key |
| You specified ${type} in your env, but the file "${file}" ca | validation | error | https, ssl, file-not-found, config, filesystem |
| Your project's `baseUrl` can only be set to `src` or `node_m | validation | error | typescript, config, baseurl, jsconfig, modules |
| You have both a tsconfig.json and a jsconfig.json. If you ar | validation | error | typescript, config, jsconfig, conflict |
| ts.formatDiagnostic(error, formatDiagnosticHost) | exception | error | typescript, config, tsconfig, diagnostic |
| ts.formatDiagnostic(result.errors[0], formatDiagnosticHost) | exception | error | typescript, config, tsconfig, compileroptions, diagnostic |