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/**
* @author Amorites
* See LICENSE file in root directory for full license.
*/
'use strict'
const utils = require('../utils')
module.exports = {
meta: {
type: 'suggestion',
docs: {
description: 'enforce declaration style of `defineEmits`',
categories: undefined,
url: 'https://eslint.vuejs.org/rules/define-emits-declaration.html'
},
fixable: null,
messages: {
hasArg: 'Use type-based declaration instead of runtime declaration.',
hasTypeArg: 'Use runtime declaration instead of type-based declaration.'
},
schema: [
{
enum: ['type-based', 'runtime']
}
]
},
/** @param {RuleContext} context */
create(context) {
const scriptSetup = utils.getScriptSetupElement(context)
if (!scriptSetup || !utils.hasAttribute(scriptSetup, 'lang', 'ts')) {
return {}
}
const defineType = context.options[0] || 'type-based'
return utils.defineScriptSetupVisitor(context, {
onDefineEmitsEnter(node) {
switch (defineType) {
case 'type-based':
if (node.arguments.length > 0) {
context.report({
node,
messageId: 'hasArg'
})
}
break
case 'runtime':
if (node.typeParameters && node.typeParameters.params.length > 0) {
context.report({
node,
messageId: 'hasTypeArg'
})
}
break
}
}
})
}
}