/**
|
* @author Yosuke Ota
|
* See LICENSE file in root directory for full license.
|
*/
|
'use strict'
|
|
// ------------------------------------------------------------------------------
|
// Requirements
|
// ------------------------------------------------------------------------------
|
|
const utils = require('../utils')
|
|
// ------------------------------------------------------------------------------
|
// Rule Definition
|
// ------------------------------------------------------------------------------
|
|
module.exports = {
|
meta: {
|
type: 'problem',
|
docs: {
|
description: 'disallow props default function `this` access',
|
categories: ['vue3-essential'],
|
url:
|
'https://eslint.vuejs.org/rules/no-deprecated-props-default-this.html'
|
},
|
fixable: null,
|
schema: [],
|
messages: {
|
deprecated:
|
'Props default value factory functions no longer have access to `this`.'
|
}
|
},
|
/** @param {RuleContext} context */
|
create(context) {
|
/**
|
* @typedef {object} ScopeStack
|
* @property {ScopeStack | null} upper
|
* @property {FunctionExpression | FunctionDeclaration} node
|
* @property {boolean} propDefault
|
*/
|
/** @type {Set<FunctionExpression>} */
|
const propsDefault = new Set()
|
/** @type {ScopeStack | null} */
|
let scopeStack = null
|
|
/**
|
* @param {FunctionExpression | FunctionDeclaration | ArrowFunctionExpression} node
|
*/
|
function onFunctionEnter(node) {
|
if (node.type === 'ArrowFunctionExpression') {
|
return
|
}
|
if (scopeStack) {
|
scopeStack = {
|
upper: scopeStack,
|
node,
|
propDefault: false
|
}
|
} else if (node.type === 'FunctionExpression' && propsDefault.has(node)) {
|
scopeStack = {
|
upper: scopeStack,
|
node,
|
propDefault: true
|
}
|
}
|
}
|
|
/**
|
* @param {FunctionExpression | FunctionDeclaration | ArrowFunctionExpression} node
|
*/
|
function onFunctionExit(node) {
|
if (scopeStack && scopeStack.node === node) {
|
scopeStack = scopeStack.upper
|
}
|
}
|
return utils.defineVueVisitor(context, {
|
onVueObjectEnter(node) {
|
for (const prop of utils.getComponentProps(node)) {
|
if (prop.type !== 'object') {
|
continue
|
}
|
if (prop.value.type !== 'ObjectExpression') {
|
continue
|
}
|
const def = utils.findProperty(prop.value, 'default')
|
if (!def) {
|
continue
|
}
|
if (def.value.type !== 'FunctionExpression') {
|
continue
|
}
|
propsDefault.add(def.value)
|
}
|
},
|
':function': onFunctionEnter,
|
':function:exit': onFunctionExit,
|
ThisExpression(node) {
|
if (scopeStack && scopeStack.propDefault) {
|
context.report({
|
node,
|
messageId: 'deprecated'
|
})
|
}
|
}
|
})
|
}
|
}
|
