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no-globals-in-created.js
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no-globals-in-created.js
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/**
* @fileoverview disallow `window/document` in `created/beforeCreate`
* @author Xin Du <clark.duxin@gmail.com>
*/
'use strict'
const utils = require('../utils')
// ------------------------------------------------------------------------------
// Rule Definition
// ------------------------------------------------------------------------------
module.exports = {
meta: {
docs: {
description: 'disallow `window/document` in `created/beforeCreate`',
category: 'base'
},
messages: {
noGlobals: 'Unexpected {{name}} in {{funcName}}.'
}
},
create (context) {
const forbiddenNodes = []
const options = context.options[0] || {}
const HOOKS = new Set(
['created', 'beforeCreate'].concat(options.methods || [])
)
const GLOBALS = ['window', 'document']
function isGlobals (name) {
return GLOBALS.includes(name)
}
return {
MemberExpression (node) {
if (!node.object) return
const name = node.object.name
if (isGlobals(name)) {
forbiddenNodes.push({ name, node })
}
},
VariableDeclarator (node) {
if (!node.init) return
const name = node.init.name
if (isGlobals(name)) {
forbiddenNodes.push({ name, node })
}
},
...utils.executeOnVue(context, obj => {
for (const { funcName, name, node } of utils.getFunctionWithChild(obj, HOOKS, forbiddenNodes)) {
context.report({
node,
messageId: 'noGlobals',
data: {
name,
funcName
}
})
}
})
}
}
}