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48 lines
1.1 KiB
48 lines
1.1 KiB
/** |
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* @author Perry Song |
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* @copyright 2023 Perry Song. 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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const utils = require('../utils') |
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module.exports = { |
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meta: { |
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type: 'suggestion', |
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docs: { |
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description: 'disallow `v-if` directives on root element', |
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categories: undefined, |
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url: 'https://eslint.vuejs.org/rules/no-root-v-if.html' |
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}, |
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fixable: null, |
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schema: [], |
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messages: { |
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noRootVIf: '`v-if` should not be used on root element without `v-else`.' |
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} |
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}, |
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/** @param {RuleContext} context */ |
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create(context) { |
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return { |
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/** @param {Program} program */ |
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Program(program) { |
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const element = program.templateBody |
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if (element == null) { |
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return |
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} |
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const rootElements = element.children.filter(utils.isVElement) |
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if ( |
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rootElements.length === 1 && |
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utils.hasDirective(rootElements[0], 'if') |
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) { |
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context.report({ |
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node: element, |
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loc: element.loc, |
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messageId: 'noRootVIf' |
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}) |
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} |
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} |
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} |
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} |
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}
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