eslint-plugin-san/lib/rules/one-component-per-file.js

Official ESLint plugin for San

/**
 * @fileoverview enforce that each component should be in its own file
 * @author Armano
 */
'use strict';

/* eslint-disable */

const utils = require('../utils');

// ------------------------------------------------------------------------------
// Rule Definition
// ------------------------------------------------------------------------------

module.exports = {
    meta: {
        type: 'suggestion',
        docs: {
            description: 'enforce that each component should be in its own file',
            categories: ['strongly-recommended'],
            url: 'https://ecomfe.github.io/eslint-plugin-san/rules/one-component-per-file.html'
        },
        fixable: null,
        schema: [],
        messages: {
            toManyComponents: 'There is more than one component in this file.'
        }
    },
    /** @param {RuleContext} context */
    create(context) {
        /** @type {ObjectExpression[]} */
        const components = [];

        return Object.assign(
            {},
            utils.executeOnSanComponent(context, node => {
                components.push(node);
            }),
            {
                'Program:exit'() {
                    if (components.length > 1) {
                        for (const node of components) {
                            context.report({
                                node,
                                messageId: 'toManyComponents'
                            });
                        }
                    }
                }
            }
        );
    }
};