47 lines
1.2 KiB
JavaScript
47 lines
1.2 KiB
JavaScript
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/**
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* @fileoverview disallow unused variable definitions of v-for directives or scope attributes.
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* @author 薛定谔的猫<hh_2013@foxmail.com>
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*/
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'use strict'
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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: 'suggestion',
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docs: {
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description: 'disallow unused variable definitions of v-for directives or scope attributes',
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category: 'essential',
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url: 'https://eslint.vuejs.org/rules/no-unused-vars.html'
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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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return utils.defineTemplateBodyVisitor(context, {
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VElement (node) {
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const variables = node.variables
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for (
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let i = variables.length - 1;
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i >= 0 && !variables[i].references.length;
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i--
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) {
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const variable = variables[i]
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context.report({
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node: variable.id,
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loc: variable.id.loc,
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message: `'{{name}}' is defined but never used.`,
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data: variable.id
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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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