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