How do I catch errors in synchronous functions in node.js?
In asynchronous functions, we can simply catch the error in the callback. For example:
Async func:
fs.readdir(path, function(err){
//catch error
)
Since synchronous functions do not have a callback, how can I catch errors?
Synchronization function:
fs.readdirSync(path); //throws some error
One way is to use a try catch block:
try{
fs.readdirSync(path);
}
catch(err){
//do whatever with error
}
Is there any other way to do this? If so, which one is better?
+3
manish
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1 answer
Is there any other way to do this?
No how do you do it. Typically, you have all your main logic in try
, and then just handle exceptional conditions (errors) in catch
. (And cleaning in finally
.)
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TJ Crowder
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