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A simple module to determine what changes mongoDB update operation will have on the stored documents. This module replicates the functionality of mongoDB update operations.
As of now pull operation is not implemented. It will be added in the later versions.
var doc = {
a:1,
b:[1,2,3],
c:{
d:5
}
}
preUpdate(doc,{$inc:{a:5}, $set:{"c.d":"Hello"}, $push:{b:{$each:[5,10]}}});
console.log(doc);
doc = { a:6, b:[1,2,3,5,10], c:{ d:"Hello" } }
npm install mongodbupdater
npm test
Arham Chopra
ISC
Open source licenses AMA.