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keksAccountGUI/node_modulesOLD/eslint-plugin-vue/lib/rules/no-duplicate-attributes.js
2019-08-11 20:48:02 +02:00

105 lines
2.7 KiB
JavaScript

/**
* @author Toru Nagashima
* @copyright 2017 Toru Nagashima. All rights reserved.
* See LICENSE file in root directory for full license.
*/
'use strict'
// ------------------------------------------------------------------------------
// Requirements
// ------------------------------------------------------------------------------
const utils = require('../utils')
// ------------------------------------------------------------------------------
// Helpers
// ------------------------------------------------------------------------------
/**
* Get the name of the given attribute node.
* @param {ASTNode} attribute The attribute node to get.
* @returns {string} The name of the attribute.
*/
function getName (attribute) {
if (!attribute.directive) {
return attribute.key.name
}
if (attribute.key.name === 'bind') {
return attribute.key.argument || null
}
return null
}
// ------------------------------------------------------------------------------
// Rule Definition
// ------------------------------------------------------------------------------
module.exports = {
meta: {
type: 'problem',
docs: {
description: 'disallow duplication of attributes',
category: 'essential',
url: 'https://eslint.vuejs.org/rules/no-duplicate-attributes.html'
},
fixable: null,
schema: [
{
type: 'object',
properties: {
allowCoexistClass: {
type: 'boolean'
},
allowCoexistStyle: {
type: 'boolean'
}
}
}
]
},
create (context) {
const options = context.options[0] || {}
const allowCoexistStyle = options.allowCoexistStyle !== false
const allowCoexistClass = options.allowCoexistClass !== false
const directiveNames = new Set()
const attributeNames = new Set()
function isDuplicate (name, isDirective) {
if ((allowCoexistStyle && name === 'style') || (allowCoexistClass && name === 'class')) {
return isDirective ? directiveNames.has(name) : attributeNames.has(name)
}
return directiveNames.has(name) || attributeNames.has(name)
}
return utils.defineTemplateBodyVisitor(context, {
'VStartTag' () {
directiveNames.clear()
attributeNames.clear()
},
'VAttribute' (node) {
const name = getName(node)
if (name == null) {
return
}
if (isDuplicate(name, node.directive)) {
context.report({
node,
loc: node.loc,
message: "Duplicate attribute '{{name}}'.",
data: { name }
})
}
if (node.directive) {
directiveNames.add(name)
} else {
attributeNames.add(name)
}
}
})
}
}