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107 lines
2.8 KiB
107 lines
2.8 KiB
1 month ago
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/**
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* @author Amorites
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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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const utils = require('../utils')
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/**
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* @typedef {import('@typescript-eslint/types').TSESTree.TypeNode} TypeNode
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*
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*/
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module.exports = {
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meta: {
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type: 'suggestion',
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docs: {
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description: 'enforce declaration style of `defineEmits`',
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categories: undefined,
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url: 'https://eslint.vuejs.org/rules/define-emits-declaration.html'
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},
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fixable: null,
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schema: [
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{
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enum: ['type-based', 'type-literal', 'runtime']
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}
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],
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messages: {
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hasArg: 'Use type based declaration instead of runtime declaration.',
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hasTypeArg: 'Use runtime declaration instead of type based declaration.',
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hasTypeCallArg:
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'Use new type literal declaration instead of the old call signature declaration.'
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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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const scriptSetup = utils.getScriptSetupElement(context)
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if (!scriptSetup || !utils.hasAttribute(scriptSetup, 'lang', 'ts')) {
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return {}
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}
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const defineType = context.options[0] || 'type-based'
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return utils.defineScriptSetupVisitor(context, {
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onDefineEmitsEnter(node) {
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switch (defineType) {
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case 'type-based': {
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if (node.arguments.length > 0) {
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context.report({
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node,
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messageId: 'hasArg'
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})
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}
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break
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}
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case 'type-literal': {
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verifyTypeLiteral(node)
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break
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}
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case 'runtime': {
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const typeArguments =
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'typeArguments' in node ? node.typeArguments : node.typeParameters
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if (typeArguments && typeArguments.params.length > 0) {
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context.report({
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node,
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messageId: 'hasTypeArg'
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})
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}
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break
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}
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}
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}
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})
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/** @param {CallExpression} node */
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function verifyTypeLiteral(node) {
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if (node.arguments.length > 0) {
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context.report({
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node,
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messageId: 'hasArg'
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})
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return
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}
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const typeArguments = node.typeArguments || node.typeParameters
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const param = /** @type {TypeNode|undefined} */ (typeArguments?.params[0])
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if (!param) return
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if (param.type === 'TSTypeLiteral') {
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for (const memberNode of param.members) {
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if (memberNode.type !== 'TSPropertySignature') {
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context.report({
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node: memberNode,
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messageId: 'hasTypeCallArg'
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})
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}
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}
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} else if (param.type === 'TSFunctionType') {
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context.report({
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node: param,
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messageId: 'hasTypeCallArg'
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})
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}
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}
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}
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}
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