21 lines
631 B
JavaScript
21 lines
631 B
JavaScript
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'use strict'
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const isInsidePromise = require('./is-inside-promise')
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function isInsideCallback(node) {
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const isCallExpression =
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node.type === 'FunctionExpression' ||
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node.type === 'ArrowFunctionExpression' ||
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node.type === 'FunctionDeclaration' // this may be controversial
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// it's totally fine to use promises inside promises
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if (isInsidePromise(node)) return
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const name = node.params && node.params[0] && node.params[0].name
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const firstArgIsError = name === 'err' || name === 'error'
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const isInACallback = isCallExpression && firstArgIsError
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return isInACallback
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}
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module.exports = isInsideCallback
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