no-nesting.js
626 Bytes
/**
* Rule: no-nesting
* Avoid nesting your promises.
*/
'use strict'
const getDocsUrl = require('./lib/get-docs-url')
const hasPromiseCallback = require('./lib/has-promise-callback')
const isInsidePromise = require('./lib/is-inside-promise')
module.exports = {
meta: {
docs: {
url: getDocsUrl('no-nesting')
}
},
create: function(context) {
return {
CallExpression: function(node) {
if (!hasPromiseCallback(node)) return
if (context.getAncestors().some(isInsidePromise)) {
context.report({ node, message: 'Avoid nesting promises.' })
}
}
}
}
}