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/**
* @author ItMaga
* See LICENSE file in root directory for full license.
*/
'use strict'
const utils = require('../utils')
module.exports = {
meta: {
type: 'problem',
docs: {
description: 'require components to be the default export',
categories: undefined,
url: 'https://eslint.vuejs.org/rules/require-default-export.html'
},
fixable: null,
schema: [],
messages: {
missing: 'Missing default export.',
mustBeDefaultExport: 'Component must be the default export.'
}
},
/** @param {RuleContext} context */
create(context) {
const sourceCode = context.getSourceCode()
const documentFragment = sourceCode.parserServices.getDocumentFragment?.()
const hasScript =
documentFragment &&
documentFragment.children.some(
(e) => utils.isVElement(e) && e.name === 'script'
)
if (utils.isScriptSetup(context) || !hasScript) {
return {}
}
let hasDefaultExport = false
let hasDefinedComponent = false
return utils.compositingVisitors(
utils.defineVueVisitor(context, {
onVueObjectExit() {
hasDefinedComponent = true
}
}),
{
'Program > ExportDefaultDeclaration'() {
hasDefaultExport = true
},
/**
* @param {Program} node
*/
'Program:exit'(node) {
if (!hasDefaultExport && node.body.length > 0) {
context.report({
loc: node.tokens[node.tokens.length - 1].loc,
messageId: hasDefinedComponent ? 'mustBeDefaultExport' : 'missing'
})
}
}
}
)
}
}