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62 lines
1.8 KiB
62 lines
1.8 KiB
/** |
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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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type: 'problem', |
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docs: { |
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description: 'require `v-bind:key` with `v-for` directives', |
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categories: ['vue3-essential', 'essential'], |
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url: 'https://eslint.vuejs.org/rules/require-v-for-key.html' |
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}, |
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fixable: null, |
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schema: [] |
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}, |
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/** @param {RuleContext} context */ |
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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 {VElement} element The element node to check. |
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*/ |
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function checkKey(element) { |
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if (utils.hasDirective(element, 'bind', 'key')) { |
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return |
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} |
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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)) { |
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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: |
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"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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/** @param {VDirective} node */ |
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"VAttribute[directive=true][key.name.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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