vue hello world项目
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/**
* @fileoverview Prevent overwrite reserved keys
* @author Armano
*/
'use strict'
const utils = require('../utils')
/**
* @typedef {import('../utils').GroupName} GroupName
*/
// ------------------------------------------------------------------------------
// Rule Definition
// ------------------------------------------------------------------------------
const RESERVED_KEYS = require('../utils/vue-reserved.json')
/** @type {GroupName[]} */
const GROUP_NAMES = [
'props',
'computed',
'data',
'asyncData',
'methods',
'setup'
]
module.exports = {
meta: {
type: 'suggestion',
docs: {
description: 'disallow overwriting reserved keys',
categories: ['vue3-essential', 'essential'],
url: 'https://eslint.vuejs.org/rules/no-reserved-keys.html'
},
fixable: null,
schema: [
{
type: 'object',
properties: {
reserved: {
type: 'array'
},
groups: {
type: 'array'
}
},
additionalProperties: false
}
],
messages: {
reserved: "Key '{{name}}' is reserved.",
startsWithUnderscore:
"Keys starting with '_' are reserved in '{{name}}' group."
}
},
/** @param {RuleContext} context */
create(context) {
const options = context.options[0] || {}
const reservedKeys = new Set(RESERVED_KEYS.concat(options.reserved || []))
const groups = new Set(GROUP_NAMES.concat(options.groups || []))
// ----------------------------------------------------------------------
// Public
// ----------------------------------------------------------------------
return utils.compositingVisitors(
utils.defineScriptSetupVisitor(context, {
onDefinePropsEnter(_node, props) {
for (const prop of props) {
if (prop.propName && reservedKeys.has(prop.propName)) {
const { propName, node } = prop
context.report({
node,
messageId: 'reserved',
data: {
name: propName
}
})
}
}
}
}),
utils.executeOnVue(context, (obj) => {
const properties = utils.iterateProperties(obj, groups)
for (const o of properties) {
if (
(o.groupName === 'data' || o.groupName === 'asyncData') &&
o.name[0] === '_'
) {
context.report({
node: o.node,
messageId: 'startsWithUnderscore',
data: {
name: o.name
}
})
} else if (reservedKeys.has(o.name)) {
context.report({
node: o.node,
messageId: 'reserved',
data: {
name: o.name
}
})
}
}
})
)
}
}