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Add useful nodeify error message

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If a nodified method does not return a Promise, it will throw an error, like this:
```
Error in event handler for (unknown): Error: The function setSelectedAccount did not return a Promise, but was nodeified.
```
This commit is contained in:
Dan Finlay 2016-11-29 15:54:10 -08:00
parent df0b89074b
commit 95bcc21a06
1 changed files with 9 additions and 2 deletions
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11
app/scripts/lib/nodeify.js
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@ -6,12 +6,19 @@ module.exports = function (promiseFn) {
}
var cb = arguments[arguments.length - 1]
return promiseFn.apply(this, args)
.then(function (result) {
const nodeified = promiseFn.apply(this, args)
if (!nodeified) {
const methodName = String(promiseFn).split('(')[0]
throw new Error(`The ${methodName} did not return a Promise, but was nodeified.`)
}
nodeified.then(function (result) {
cb(null, result)
})
.catch(function (reason) {
cb(reason)
})
return nodeified
}
}