I'm new to Javascript. I want to make this block run after the if statement is finished (asynchronous). The reason I want that is that I want to make some changes to update them if it falls into the if statement
let params = {
TableName: "storepedia-test",
Item: updatedItem
};
docClient.put(params, function (err, data) {
if (err) {
console.log(err);
} else {
res.redirect('/devices');
}
});
Here is my whole code
const { id } = req.params;
const file = req.file;
let updatedItem = { ...req.body};
updatedItem.id = id;
if (file !== undefined){
const deleteParams = {
Key: updatedItem.image,
Bucket: bucketName
}
s3.deleteObject(deleteParams, async (err, data) => {
if (err) {
console.log(err)
} else {
const result = await uploadFile(file);
console.log('result', result);
await unlinkFile(file.path);
updatedItem.image = result.Key;
let params = {
TableName: "storepedia-test",
Item: updatedItem
};
docClient.put(params, function (err, data) {
if (err) {
console.log(err);
} else {
res.redirect('/devices');
}
});
}
})
}
let params = {
TableName: "storepedia-test",
Item: updatedItem
};
docClient.put(params, function (err, data) {
if (err) {
console.log(err);
} else {
res.redirect('/devices');
}
});
Just to run something after the if? I think this is the best spot:
docClient.put(params, function(err, data) {
if (err) {
console.log(err);
} else {
// run async code here.
// when done do the redirect.
// for example:
s3.do_something(function(err, data) {
if (err) {
console.log(err)
} else {
console.log(data)
res.redirect('/devices');
}
})
}
});