CoffeeScript is a little language that compiles into JavaScript. Underneath all of those embarrassing braces and semicolons, JavaScript has always had a gorgeous object model at its heart. CoffeeScript is an attempt to expose the good parts of JavaScript in a simple way.
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13 views
Optimizing redis cache
I am new to Express so I'd like to clear my code. This is Express with Redis support. I am getting someId and then I am searching it on Redis or using scraper which ...
3
votes
0answers
26 views
Search Class with Static Methods
Most of my programming experience is in PHP, and I have always been a bit wary of JavaScript.
I have a JavaScript class to manage executing, caching and displaying search results.
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3
votes
0answers
28 views
Multiple select widget in CoffeeScript
I created a widget to handle multiple selections in CoffeeScript. There's a working attached snippet that uses the compiled JavaScript (Stack Snippets don't support CoffeeScript), which is available ...
2
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1answer
42 views
2
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0answers
99 views
Passing functions using higher order components in React
After reading this, I'm on board, however it doesn't get into passing methods from the parent class. In my mixins right now I have a lot of helper functions that are used across the various components ...
1
vote
1answer
32 views
Extracting a list of hyperlinks [closed]
I need to produce a list objCollector with some results:
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2
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0answers
40 views
Correcting a quiz
I wrote this code that's supposed to correct quizzes on a webpage, but it feels bloated and I'm sure there's tons of ways to improve it. Any thoughts?
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3
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2answers
195 views
HTML5 Video player
I do HTML5 Video player with some controls. I have a button, where I change classname for make play, pause or replay button. I have a mute/unmute button, volume range slider, timer and fullscreen mode ...
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0answers
12 views
2
votes
0answers
134 views
Click interceptor directive
I needed a simple way to add this test to certain click events:
if isUser then fireClickEvent else openSignInModal
So I made this directive:
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2
votes
0answers
126 views
Resource that use two different services and query with pagination when resolved
I'm learning Angular and I don't like my current approach. The current controller uses first Geolocation service and when ...
2
votes
1answer
77 views
Wait for all resources to be loaded
In my application I need some resources to be loaded and I have services to load each of them and then I need some point to know that all requests finished. First thought was to use $q.all with array ...
3
votes
1answer
267 views
Regex for curly quotes and apostrophes
After years of fear and procrastination I decided to learn regular expressions. This is the result:
CoffeScript:
...
5
votes
2answers
150 views
Periodic Table generator
I've been playing around with Jekyll and CoffeeScript the last few days and made a Periodic Table to learn those two.
Now, to create the Periodic Table, I take an array of ...
1
vote
1answer
325 views
AngularJS Login Check
I have states that have a requiredlogin object set as true, then I have Angular listen on ...
4
votes
1answer
107 views
Flood game implementation
There is the implementation of flood game on my GitHub.
The app.coffee is the main part of project:
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vote
1answer
58 views
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2answers
262 views
Get <TH> texts into a tab separated string
table_with_headers = $(this.dom.table).find("thead tr th").map(->
$(this).text()
).get().join("\t")
Can one write it nicer? I especially dont like the inner ...
6
votes
1answer
124 views
English-Russian irregular words tester
Could you please offer some suggestions about my self learning project?
It is really hard-coded, but I have no idea what to do next. I'm using angular (only few ...
2
votes
0answers
133 views
RESTful API parsing DBF data HSET in Redis
I have this working code, but would like your review:
sync.coffe
...
1
vote
1answer
70 views
Conditional AND statement- which is more readable?
Does this function
automationStatusIsSuccessful = (data) ->
data.Automation.Status isnt "FAILED" and data.Automation.Status isnt "COMPLETEDWITHERROR"`
...
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votes
1answer
58 views
1
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1answer
273 views
Refactor Coffee Script to fire on page load instead of change
I have a Rails app where I'm trying to select a list of facilities based on what region is selected in a form. So far, I've implemented group_collection_select to do this as well as a bit of ...
2
votes
1answer
144 views
NodeJS conditional request before the real request
In my code I have to login a user with username and password. But if the user sends his e-mail instead of his username, I have to resolve it with another request.
This is what the code looks like:
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1answer
84 views
Generating Passwords with a Secure PRNG
What's the best way to approach generating a password using a secure prng? In Python, I could simply use os.urandom. Any suggestions on this?
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5
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2answers
54 views
Mathematical boundaries (audio meter)
I've just been putting together an audio meter by stacking bootstrap progress bars, and thought there was probably a better way, mathematically / logically, of achieving this.
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5
votes
1answer
54 views
Tick module for the game
I tried to look up and suck in most of the information about optimizing this operation and this is what I came up with. As it's pretty much core of the game, I really would like to have it performant ...
1
vote
1answer
71 views
Navigating around ul li and looking for the active state on the current slide
How can I rewrite this in a simpler way?
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3
votes
1answer
83 views
Automatically gravitate popover towards page center
I've authored a couple of plugins which show popovers on a given element. One of the objectives for both was no specification of plugin direction. So instead of the implementing dev having to specify ...
3
votes
0answers
118 views
Create component with select+button
I'm new to ReactJs and trying to figure out the preferred style. I also have tried it enough to realize that I'm not a fan of jsx and prefer how React looks when written in coffeescript.
This is a ...
3
votes
1answer
44 views
Set up event on class and initialize state [closed]
Very similar to this question, I'm curious about common patterns/best practices for handling events in coffeescript classes, particularly when you also need to call the event handlers immediately to ...
4
votes
1answer
186 views
Ruby on Rails text editor
I'm currently building a text editor using contenteditable and RoR back end. As the editor is WYSIWYG and trying to follow DRY, I used only one file to 3 actions: Show, Edit and New.
Edit and new ...
4
votes
1answer
154 views
Resize renderer on browser window size change
For a game, there is some WebGLRenderer object that wraps around canvas element. There is need to update it's size when browser window size changes. Here goes my current code written using BaconJS. ...
4
votes
2answers
72 views
Initializing events on class
I wrote a simple class that substitutes all file inputs in an HTML for a more complex template and set some actions on it. The code is rather small, but I'm not used to write JavaScript.
I wonder if ...
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1answer
38 views
Implementing a Simple “MoneyAccount” in CoffeeScript
Please critique this CoffeeScript code. Is it idiomatic?
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2
votes
1answer
44 views
Cleaner Way to Test for Types? [closed]
I defined a function that multiplies its argument by 3:
coffee> foo = (x) -> x * 3
[Function]
We can call it with an input of 1:
...
10
votes
1answer
163 views
Optimize CoffeeScript comparison function
I've wrote this CoffeScript function to compare values in a table, but it turned out to be a HUGE function.
Since the code is really really long, you can find it here as well.
Code explanation:
The ...
2
votes
1answer
291 views
Multiple search filter like the one in freshdesk
I have requirement to apply multiple filters on database. I will have multiple conditions in the front end where the user can select the conditions he wants to filter with and then see the output. ...
4
votes
0answers
4k views
An Object-Oriented Programming pattern for AngularJS models using CoffeeScript classes
Over the past week, we tried to make our AngularJS model layer more powerful and reduce complexity in our controllers and template by using the object-oriented programming pattern and the CoffeeScript ...
0
votes
2answers
560 views
Promises and chained calls
I've realized JS callback hell and I started looking into Promises libraries.
After reading some articles I decided to start with BluebirdJS. I didn't realise how to properly use them yet, because ...
7
votes
5answers
350 views
Avoiding nested conditionals and comparing strings
I have a web page with a set of icons that are grey by default:
If a user clicks one, it toggles green (.toggleClass('green')):
If a user clicks a green one, ...
1
vote
1answer
58 views
Remove nodejs/browser specific code in library
I'm the maintainer of the following library on github: https://github.com/edi9999/docxtemplater/blob/master/coffee/docxgen.coffee
I want to maintain a library that works on node and in the browser, ...
10
votes
1answer
217 views
Tabbed navigation to hide and show pages
I'm new to jQuery and trying to learn how to refactor my bloated code to make it nicer and better maintainable.
I have a tabbed navigation which I'm using jQuery to hide and show pages depending on ...
4
votes
1answer
57 views
8
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1answer
242 views
2
votes
1answer
108 views
Backbone subviews with non-uniform layout
I have a “featured projects” view that requires its subviews conform to a non-uniform grid: one narrow column with 3 items, then one wide column with 2 items, followed by another narrow column with 3 ...
3
votes
1answer
125 views
Paginating a Backbone collection
This is part of a class for paginating a Backbone collection.
The paginateTo method is for paginating to a model id. It returns ...
2
votes
0answers
110 views
node.js Review Core class of a Javascript framework for SPA's
A few years ago I started building a tiny (~300 SLOC) JavaScript framework for scalable and maintainable Single-Page-Applications written in CoffeeScript:
https://github.com/flosse/scaleApp and ...
5
votes
2answers
300 views
isRTL.coffee library to determine if a text is of right-to-left direction
I just wrote this tiny library called isRTL.coffee to determine the direction of the text. Is there any better way of doing this?
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3
votes
2answers
266 views
Fibonacci using cache
This is my simple Fibonacci implementation in CoffeeScript. What do you think? Using cache (fibResults), it's very very fast.
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