rollup-boilerplate/utils/generateEslintrc.js

Rollup boilerplate is a project generator for UMD libraries

const { projectTypes } = require('./constants');

module.exports = function generateEslintrc(projectType) {
  const eslintRc = {
    env: {
      browser: true,
      node: true,
      jquery: true,
      es6: true,
    },
    parserOptions: {
      sourceType: 'module',
      allowImportExportEverywhere: true,
    },
    extends: ['eslint:recommended'],
  };

  switch (projectType) {
    case projectTypes.RJ.value:
      eslintRc.parser = 'babel-eslint';
      eslintRc.extends.push('plugin:react/recommended');
      eslintRc.settings = {
        react: {
          createClass: 'createReactClass',
          pragma: 'React',
          version: 'detect',
          flowVersion: '0.53',
        },
        propWrapperFunctions: [
          'forbidExtraProps',
          {
            property: 'freeze',
            object: 'Object',
          },
          {
            property: 'myFavoriteWrapper',
          },
        ],
        linkComponents: [
          'Hyperlink',
          {
            name: 'Link',
            linkAttribute: 'to',
          },
        ],
      };
      break;
    case projectTypes.JS.value:
      eslintRc.parser = 'babel-eslint';
      break;
    case projectTypes.TS.value:
      eslintRc.parser = '@typescript-eslint/parser';
      eslintRc.plugins = ['@typescript-eslint'];
      eslintRc.extends.push('plugin:@typescript-eslint/recommended');
      eslintRc.rules = {
        '@typescript-eslint/no-explicit-any': 0,
        '@typescript-eslint/no-this-alias': 0,
      };
      break;
    default:
      break;
  }
  return JSON.stringify(eslintRc, null, 2);
};