forked from zhurui/management
80 lines
2.4 KiB
JavaScript
80 lines
2.4 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')
|
|
|
|
// ------------------------------------------------------------------------------
|
|
// Rule Definition
|
|
// ------------------------------------------------------------------------------
|
|
|
|
module.exports = {
|
|
meta: {
|
|
docs: {
|
|
description: 'enforce valid `v-else` directives',
|
|
category: 'essential',
|
|
url: 'https://github.com/vuejs/eslint-plugin-vue/blob/v4.7.1/docs/rules/valid-v-else.md'
|
|
},
|
|
fixable: null,
|
|
schema: []
|
|
},
|
|
|
|
create (context) {
|
|
return utils.defineTemplateBodyVisitor(context, {
|
|
"VAttribute[directive=true][key.name='else']" (node) {
|
|
const element = node.parent.parent
|
|
|
|
if (!utils.prevElementHasIf(element)) {
|
|
context.report({
|
|
node,
|
|
loc: node.loc,
|
|
message: "'v-else' directives require being preceded by the element which has a 'v-if' or 'v-else' directive."
|
|
})
|
|
}
|
|
if (utils.hasDirective(element, 'if')) {
|
|
context.report({
|
|
node,
|
|
loc: node.loc,
|
|
message: "'v-else' and 'v-if' directives can't exist on the same element. You may want 'v-else-if' directives."
|
|
})
|
|
}
|
|
if (utils.hasDirective(element, 'else-if')) {
|
|
context.report({
|
|
node,
|
|
loc: node.loc,
|
|
message: "'v-else' and 'v-else-if' directives can't exist on the same element."
|
|
})
|
|
}
|
|
if (node.key.argument) {
|
|
context.report({
|
|
node,
|
|
loc: node.loc,
|
|
message: "'v-else' directives require no argument."
|
|
})
|
|
}
|
|
if (node.key.modifiers.length > 0) {
|
|
context.report({
|
|
node,
|
|
loc: node.loc,
|
|
message: "'v-else' directives require no modifier."
|
|
})
|
|
}
|
|
if (utils.hasAttributeValue(node)) {
|
|
context.report({
|
|
node,
|
|
loc: node.loc,
|
|
message: "'v-else' directives require no attribute value."
|
|
})
|
|
}
|
|
}
|
|
})
|
|
}
|
|
}
|