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/**
* @author Yosuke Ota
*/
'use strict'
const utils = require('../utils')
module.exports = {
meta: {
type: 'problem',
docs: {
description: 'disallow `key` attribute on `<template v-for>`',
categories: ['vue2-essential'],
url: 'https://eslint.vuejs.org/rules/no-v-for-template-key.html'
},
fixable: null,
schema: [],
messages: {
disallow:
"'<template v-for>' cannot be keyed. Place the key on real elements instead."
}
},
/** @param {RuleContext} context */
create(context) {
return utils.defineTemplateBodyVisitor(context, {
/** @param {VDirective} node */
"VElement[name='template'] > VStartTag > VAttribute[directive=true][key.name.name='for']"(
node
) {
const element = node.parent.parent
const keyNode =
utils.getAttribute(element, 'key') ||
utils.getDirective(element, 'bind', 'key')
if (keyNode) {
context.report({
node: keyNode,
loc: keyNode.loc,
messageId: 'disallow'
})
}
}
})
}
}