line_push/node_modules/eslint-plugin-nuxt/lib/rules/no-cjs-in-config.js
2022-07-21 03:28:35 +00:00

104 lines
2.7 KiB
JavaScript

/**
* @fileoverview Disallow `require/modules.exports/exports` in `nuxt.config.js`
* @author Xin Du <clark.duxin@gmail.com>
*/
'use strict'
const path = require('path')
// ------------------------------------------------------------------------------
// Rule Definition
// ------------------------------------------------------------------------------
module.exports = {
meta: {
docs: {
description:
'disallow commonjs module api `require/modules.exports/exports` in `nuxt.config.js`',
category: 'base'
},
messages: {
noCjs: 'Unexpected {{cjs}}, please use {{esm}} instead.'
}
},
create (context) {
// variables should be defined here
const options = context.options[0] || {}
const configFile = options.file || 'nuxt.config.js'
let isNuxtConfig = false
// ----------------------------------------------------------------------
// Public
// ----------------------------------------------------------------------
return {
Program (node) {
const filename = path.basename(context.getFilename())
if (filename === configFile) {
isNuxtConfig = true
}
},
MemberExpression: function (node) {
if (!isNuxtConfig) {
return
}
// module.exports
if (node.object.name === 'module' && node.property.name === 'exports') {
context.report({
node,
messageId: 'noCjs',
data: {
cjs: 'module.exports',
esm: 'export default'
}
})
}
// exports.
if (node.object.name === 'exports') {
const isInScope = context.getScope()
.variables
.some(variable => variable.name === 'exports')
if (!isInScope) {
context.report({
node,
messageId: 'noCjs',
data: {
cjs: 'exports',
esm: 'export default'
}
})
}
}
},
CallExpression: function (call) {
const module = call.arguments[0]
if (
!isNuxtConfig ||
context.getScope().type !== 'module' ||
!['ExpressionStatement', 'VariableDeclarator'].includes(call.parent.type) ||
call.callee.type !== 'Identifier' ||
call.callee.name !== 'require' ||
call.arguments.length !== 1 ||
module.type !== 'Literal' ||
typeof module.value !== 'string'
) {
return
}
context.report({
node: call.callee,
messageId: 'noCjs',
data: {
cjs: 'require',
esm: 'import'
}
})
}
}
}
}