my URLs look like this at the moment: So, as you can see, it gets pretty long, pretty fast. I was thinking about shortening these ObjectIds. Idea is that I should add new field called “shortId” to every model in my database. So instead of having: we would have this: I found a way to do it like this: But
Tag: node.js
asynchronously iterate over massive array in JavaScript without triggering stack size exceeded
My environment is NodeJS, although this could be a web related problem as well. I have a large set of data from a database which I am attempting to enumerate over. However, for the sake of argument lets say that I have an array of 20,000 strings: and I want to enumerate this list asynchronously, lets say using the async
convert CSV lines into Javascript objects
I have a simple csv file people.csv: What I want to do it get each line of the CSV, convert it to a JavaScript object, store them into an array, and then convert the array into a JSON object. server.js: My question is if I am actually converting that CSV lines into Javascript objects when I call the .split(‘n’) method
adjust console.log behaviour of custom object
is there any way to influence what console.log gives out custom objects? I tried to overwrite the customObject.prototype.toString method, that did not work though. Any ideas? Answer In node.js, console.log calls util.inspect on each argument without a formatting placeholder. So if you define an inspect(depth, opts) method on your object it will be called to get your custom string representation
How to decode nock recorded response
How to ad-hoc decode/uncompress the output produced by the nock recorder so we can see the response as text? I guess we do not understand if the response is gzipped and/or encoded The object works find when we load it into nock, and our tests are behaving as we expect. To see what the API produced, we are having to
console.log to stdout on gulp events
I want to log to stdout (the config environment) when a gulp task is running or has run. Something like this: I am not sure what event I should be responding to or where to find a list of these. Any pointers? Many thanks. Answer (In December 2017, the gulp-util module, which provided logging, was deprecated. The Gulp team recommended
design pattern for wrapping logger in node.js application
I am writing a node.js application and using bunyan for logging. what i would like to do is to create one instance of the bunyan logger in the initialization of my app and from now on i want every module that will require the logger will get the same instance with the same configuration options. now i want that every
How to get the last item in an object by sorted key order
Suppose I have an object with this structure: In the object, the first number (the key) is a timestamp. The second number is the value. I want to get the most recent item of that object. So, I need to get the key that is closest in time. How do I have to do it? Answer So, I need to
reduce function composed of map function in JavaScript
Say we have and want to reduce() it like Now, I want to compose reduce() function itself from map() function. How would you do that? What is the smartest way? Edit: In the comments and answers, many have claimed fold/reduce can compose map, in shallow level, that can be true, however, in category theory, fundamentally reduce/fold is generalized to Catamorphism
TypeError: Router.use() requires middleware function but got a Object
There have been some middleware changes on the new version of express and I have made some changes in my code around some of the other posts on this issue but I can’t get anything to stick. We had it working before hand but I can’t remember what the change was. app.js It appears the answer to this question has