64 lines
1.6 KiB
JavaScript
64 lines
1.6 KiB
JavaScript
/**
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* @fileoverview Prevents duplication of field names.
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* @author Armano
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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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const GROUP_NAMES = ['props', 'computed', 'data', 'methods']
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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: 'disallow duplication of field names',
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category: 'essential',
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url: 'https://eslint.vuejs.org/rules/no-dupe-keys.html'
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},
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fixable: null, // or "code" or "whitespace"
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schema: [
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{
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type: 'object',
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properties: {
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groups: {
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type: 'array'
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}
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},
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additionalProperties: false
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}
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]
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},
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create (context) {
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const options = context.options[0] || {}
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const groups = new Set(GROUP_NAMES.concat(options.groups || []))
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// ----------------------------------------------------------------------
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// Public
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// ----------------------------------------------------------------------
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return utils.executeOnVue(context, (obj) => {
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const usedNames = []
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const properties = utils.iterateProperties(obj, groups)
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for (const o of properties) {
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if (usedNames.indexOf(o.name) !== -1) {
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context.report({
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node: o.node,
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message: "Duplicated key '{{name}}'.",
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data: {
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name: o.name
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}
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})
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}
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usedNames.push(o.name)
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}
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})
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}
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}
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