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