Enforce best practices for JavaScript promises.
You'll first need to install ESLint:
npm install eslint --save-dev
Next, install eslint-plugin-promise:
npm install eslint-plugin-promise --save-dev
Note: If you installed ESLint globally (using the -g flag) then you must also install eslint-plugin-promise globally.
Add promise to the plugins section of your .eslintrc.json configuration file. You can omit the eslint-plugin- prefix:
{
"plugins": ["promise"]
}
Then configure the rules you want to use under the rules section.
{
"rules": {
"promise/always-return": "error",
"promise/no-return-wrap": "error",
"promise/param-names": "error",
"promise/catch-or-return": "error",
"promise/no-native": "off",
"promise/no-nesting": "warn",
"promise/no-promise-in-callback": "warn",
"promise/no-callback-in-promise": "warn",
"promise/avoid-new": "warn",
"promise/no-new-statics": "error",
"promise/no-return-in-finally": "warn",
"promise/valid-params": "warn",
"promise/no-multiple-resolved": "error"
}
}
or start with the recommended rule set:
eslint.config.js:
import pluginPromise from 'eslint-plugin-promise' export default [ // ... pluginPromise.configs['flat/recommended'], ]
.eslintrc.*:
{
"extends": ["plugin:promise/recommended"]
}💼 Configurations enabled in.
⚠️ Configurations set to warn in.
🚫 Configurations disabled in.
✅ Set in the flat/recommended configuration.
✅ Set in the recommended configuration.
🔧 Automatically fixable by the --fix CLI option.
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