eslint-plugin-san/lib/rules/no-spaces-around-equal-signs-in-attribute.js

Official ESLint plugin for San

/**
 * @author Yosuke Ota
 * issue https://github.com/vuejs/eslint-plugin-vue/issues/460
 */
'use strict';

/* eslint-disable */

// ------------------------------------------------------------------------------
// Requirements
// ------------------------------------------------------------------------------

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

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

module.exports = {
    meta: {
        type: 'layout',
        docs: {
            description: 'disallow spaces around equal signs in attribute',
            categories: ['strongly-recommended'],
            url: 'https://ecomfe.github.io/eslint-plugin-san/rules/no-spaces-around-equal-signs-in-attribute.html'
        },
        fixable: 'whitespace',
        schema: []
    },
    /** @param {RuleContext} context */
    create(context) {
        const sourceCode = context.getSourceCode();
        return utils.defineTemplateBodyVisitor(context, {
            VAttribute(node) {
                if (!node.value) {
                    return;
                }
                /** @type {Range} */
                const range = [node.key.range[1], node.value.range[0]];
                const eqText = sourceCode.text.slice(range[0], range[1]);
                const expect = eqText.trim();

                if (eqText !== expect) {
                    context.report({
                        node: node.key,
                        loc: {
                            start: node.key.loc.end,
                            end: node.value.loc.start
                        },
                        message: 'Unexpected spaces found around equal signs.',
                        data: {},
                        fix: fixer => fixer.replaceTextRange(range, expect)
                    });
                }
            }
        });
    }
};