Linting represents static code analysis based on specified rules. Please include it in the CI pipeline.
Setup
Run the following commands to generate the linter configuration using the eslint
package.
npm init -y
npm init @eslint/config
Below is an example of the configuration. Some rules can be ignored or suppressed as warnings, ignore the files using ignores
field.
// eslint.config.js
import globals from 'globals';
import pluginJs from '@eslint/js';
export default [
{ languageOptions: { globals: globals.node } },
pluginJs.configs.recommended,
{
ignores: ['dist/**/*.js']
},
{
rules: {
'no-console': ['off'],
'no-unused-vars': ['warn']
}
}
];
Linting
Configure and run the script with the npm run lint
command. Some errors can be fixed automatically with the --fix
option.
// package.json
{
"scripts": {
// ...
"lint": "eslint .",
"lint:fix": "npm run lint -- --fix"
}
}
Demo
The demo with the mentioned examples is available here.
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