40 lines
987 B
JavaScript
40 lines
987 B
JavaScript
/**
|
|
* Rule: no-promise-in-callback
|
|
* Discourage using promises inside of callbacks.
|
|
*/
|
|
|
|
'use strict'
|
|
|
|
const getDocsUrl = require('./lib/get-docs-url')
|
|
const isPromise = require('./lib/is-promise')
|
|
const isInsideCallback = require('./lib/is-inside-callback')
|
|
|
|
module.exports = {
|
|
meta: {
|
|
docs: {
|
|
url: getDocsUrl('no-promise-in-callback')
|
|
}
|
|
},
|
|
create(context) {
|
|
return {
|
|
CallExpression(node) {
|
|
if (!isPromise(node)) return
|
|
|
|
// if i'm returning the promise, it's probably not really a callback
|
|
// function, and I should be okay....
|
|
if (node.parent.type === 'ReturnStatement') return
|
|
|
|
// what about if the parent is an ArrowFunctionExpression
|
|
// would that imply an implicit return?
|
|
|
|
if (context.getAncestors().some(isInsideCallback)) {
|
|
context.report({
|
|
node: node.callee,
|
|
message: 'Avoid using promises inside of callbacks.'
|
|
})
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|