Import JSON document array / object to a Meteor Collection with correct _ids [closed] - json

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What is the best way to import a 15,000 document json file of a format (but with a +30 foo fields)
[{"foo1":"foo1data1", "foo2":"foo2data1"}, {"foo1":"foo1data2", "foo2":"foo2data2"}...
{"foo1":"foo1dataN", "foo2":"foo2dataN"}])
to a Meteor collection?
I tried with mongoimport but that created ObjectID's instead of _id's and I could not make it work without autopublish, although other collections, created with Meteor, work just fine on client side.

Answer 1

Supposing the file is located on the server under pathToFile you can do something like this:
var fs = Npm.require("fs");
var Fiber = Npm.require("fibers");
fs.readFile(pathToFile, 'utf8', function (err, data) {
// handle error if there is some
data = JSON.parse(data);
Fiber(function () {
_.each(data, function (document) {
SomeMeteorCollection.insert(document);
});
}).run();
});
Please note that Fiber wrapper is required if you want call any meteor specific routines, for example collections API, within some nodejs asynchronous code.