forked from zhurui/management
57 lines
1.7 KiB
JavaScript
57 lines
1.7 KiB
JavaScript
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/**
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* @author Toru Nagashima
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* @copyright 2017 Toru Nagashima. All rights reserved.
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* See LICENSE file in root directory for full license.
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*/
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'use strict'
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// ------------------------------------------------------------------------------
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// Requirements
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// ------------------------------------------------------------------------------
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const utils = require('../utils')
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// ------------------------------------------------------------------------------
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// Rule Definition
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// ------------------------------------------------------------------------------
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module.exports = {
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meta: {
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docs: {
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description: 'require `v-bind:key` with `v-for` directives',
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category: 'essential',
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url: 'https://github.com/vuejs/eslint-plugin-vue/blob/v4.7.1/docs/rules/require-v-for-key.md'
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},
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fixable: null,
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schema: []
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},
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create (context) {
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/**
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* Check the given element about `v-bind:key` attributes.
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* @param {ASTNode} element The element node to check.
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*/
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function checkKey (element) {
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if (element.name === 'template' || element.name === 'slot') {
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for (const child of element.children) {
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if (child.type === 'VElement') {
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checkKey(child)
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}
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}
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} else if (!utils.isCustomComponent(element) && !utils.hasDirective(element, 'bind', 'key')) {
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context.report({
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node: element.startTag,
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loc: element.startTag.loc,
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message: "Elements in iteration expect to have 'v-bind:key' directives."
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})
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}
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}
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return utils.defineTemplateBodyVisitor(context, {
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"VAttribute[directive=true][key.name='for']" (node) {
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checkKey(node.parent.parent)
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}
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})
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}
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}
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