I am doing work for somebody who would like their JavaScript library organized into categories: CRUD functions, Form functions, etc. They really like the utility of regions in C# and are asking for this in their JavaScript file. Any suggestions? I am using Visual Studio 2017 and Team Foundation Server.
For VS 2019, Microsoft has fully implemented regions for Javascript, they work exactly they way they work in C#, only, you have to preface the beginning and end of the regions as comments, for example:
//#region My Region
function foo(){
*//code*
}
//#endregion
For anything prior to VS 2019, See Michael Drum's answer. His shortcut also works in VS 2019.
The link in the given answer is broken. Here is a great plugin which I use daily and no issue so far:
Java Script Regions
PS: Not tried this with other than VS 2017
Select the code you want to compress. Press Ctrl + M + H. That code will now be collapsible. For readability, comment above the "region" to give it a name.
Source: http://blog.degree.no/2013/05/define-a-region-in-javascript-files-visual-studio-2010-2012/
a Lot of people have already answered on how to get this in Visual studio
I will however suggest a different approach. Since #region is a tag limited to visual studio, it will mostly not be detected by other editors.
But in most other editors, they do however recognize "if" and "while" conditions.
You can use
if (1) and While(1) to create blocks of collapsible code that can be folded.
for eg
// This is a comment for the code block below
if(1){
....
...
}
you will get a -/+ sign next to this code block in many others editors (Unless you are using basic notepad)
You can try this if using razor or asp web forms, just replace # with <% and end with %>.
Related
I've started using Vim 7.4 on Ubuntu and am very pleased with it but there is just one thing driving me crazy: code folding doesn't work (at least for JavaScript)!
The syntax is automatically set to JavaScript when a js file is opened and syntax highlight works so I don't get it. The foldmethod is initially set to "manual" and setting it to "syntax" doesn't make a difference, which puzzles me. I did add let javaScript_fold=1 to my .vimrc file.
Any clue? I'd be very grateful. Thanks!
It's tough to say the exact cause of this issue, but if you don't have a javascript.vim file you probably should. I suggest starting with this enhanced javascript syntax config. It is likely to fix your javascript folding issue, and much more.
If you just want to focus on the folding issue you might try creating your own javascript.vim file in ~/.vim/syntax/javascript.vim that contains code along the lines of what I have given below. You may want to adjust the fold level to your liking (0 is completely folded). However, this simple version will not play well with comments containing curly bracket characters, which is where you will want to go with a more robust javascript.vim like the one I have linked.
syntax region foldBraces start=/{/ end=/}/ transparent fold keepend extend
setlocal foldmethod=syntax
setlocal foldlevel=0
I should add that both myself and the other responder are suggesting that you need a javascript.vim, and in fact by some of the same contributors. However, the one I am suggesting was last updated in December of 2015 as opposed to 2009.
I don't know why your solution isn't working, but a possible solution is to use a user-created vimscript available at http://www.vim.org/scripts/script.php?script_id=1491
Just had this same issue answered on Vim Stack Exchange, and the answer is that if you do use the stock syntax/javascript.vim file, then you have to set
vv
let g:javaScript_fold = 1
^^
The difference between the command in the question and here is the g: part (highlighted above). I'm new to Vim scripting, but I believe the difference is that let javaScript_fold=1 sets a script-local variable, making it confined to your .vimrc file, and the example above makes it global (which seems to be confirmed by this Stackoverflow thread). See more on this at section 41.2 Variables in :help usr_41.txt and :help internal-variables.
This Reddit thread was also enlightening; it's not JavaScript-related but the folding seems to be useful for JS files as well.
Original Question
This maybe a stupid question but is there a way in VS 2013 to unminify JavaScript?
Just making sure we are all on the same page here.
Minify:
var flashVer=-1;if(navigator.plugins!=null&&navigator.plugins.length>0){if(navigator.plugins["Shockwave Flash 2.0"]||navigator.plugins["Shockwave Flash"]){var swVer2=navigator.plugins["Shockwave Flash 2.0"]?"
That's just an example to make sure we all know what I'm on about. As far as I can tell there is no way to be able to do this. I have only been using VS 2013 for around 3 weeks so there is probably still stuff that is hidden to me.
If there is no way to do this within the program what is the next best thing for this?
I did see on another similar post that recommends the site http://jsbeautifier.org/ , so may have to give that ago but would make life easier if it was built into VS 2013
Thanks in advance as I know someone will be able to help me out here.
Update:
I have looked around VS 2013 and found nothing that can help me with this problem, like I said before they maybe some things I have missed (certain settings) so I guess if it cannot be done in VS what's the next best thing for the job? I seem to run into a fair amount of JS that is minifed and would like the quickest and best way to get the job done. I couple sites I have tried seem to have problems with it, is there a program I could install that would just allow me to short cut it with a hot-key or something. That would be pretty handy.
Update 2:
So I think its safe to say this cannot be done within VS2013, or for that matter at all due to missing var names and so on. So I have seen a few links and programs that allow you to format the code. Is there a way to do with within VS2013? And again if not what is the most reliable website/program that I can use to do this. Like I said I can see there have been answers and I appreciate all of them. I will be leaving this question open for a while to get more people to look at it and possibly give a better answer. Keep it up guys!
Update 3:
If anyone has any more information on this please do share. I am still looking around now and then waiting for someone to come up with something amazing for this. One day people.... One day!
The thing is that you cannot really "unminify" your code since some data was already lost - e.g. variable names. You can reformat it to more readable form though.
According to this question, since VisualStudio 2012 you can just use Ctrl+E, D keyboard shortcut
If the above is not right, there is this extension for VS 2010: http://visualstudiogallery.msdn.microsoft.com/41a0cc2f-eefd-4342-9fa9-3626855ca22a but I am not sure if it works with VS 2013
There is an extension to VisualStudio called ReSharper which can reformat javascript in a few different manners.
Also there are online formatters already mentioned in other answers (if your code is confidential, I would advise some paranoia manifested by downloading sources and using them locally).
Also you may always try to find unminified version of desired library on the interwebs
Also, there is the WebStorm IDE from JetBrains that is able to reformat JS - you may download a trial for the sole purpose of reformatting your minified scripts :)
If that's just to make debugging easier, you may want to use source maps
Also, here is a bunch of related questions:
How to automatically indent source code? <-- this is for VS2010, but it looks promising, maybe it will help you if it supports JavaScript (and it does since VS2012 according to MS support):
Ctrl+E, D - Format whole doc
Ctrl+K, Ctrl+F - Format selection
reindent(reformat) minimized jquery/javascript file in visual studio
Visual Studio 2010 can't format complex JavaScript documents
Visual Studio code formatter
how to make visual studio javascript formatting work?
I am not sure if they figured out a working way to reformat JS, but I've seen a few answers which might be helpful - I am just pasting this in here just FYI.
Added 03.06.2014:
http://www.jsnice.org/
This tool could be useful too, it even tries to infer minified names. As stated on their website:
We will rename variables and parameters to names that we learn from thousands of open source projects.
Personally I can't think of a reason to ever unminify code^:
If you're using a compiled js file (a-la google closure) and want more readable code to debug, use source maps available for well-supported libraries (speaking of jQuery, if it is served from a google CDN it already maps to the correct source)
If you're using a whitespace-only minified js file and want more readable code to debug, you could just toggle pretty print in-browser. This seems to best fit your question.
If you're using either of the above and want to modify the source code for a third-party js file, don't. Any future release will cancel out your change - instead consider one of the many patterns to extend a framework (or, perhaps, do some duck punching depending on the exact scenario.)
The other answers seem to cover the "unminification" process (maxification?) well, but it's worth making sure it's a necessary step first.
^ - Except when version control falls over, there are no backups and the only version of the file left is a minified copy in browser cache. Don't ask.
Its just a one way transformation .... sorry in normal cases you will not get something understandable back from minified JavaScript !
Make just a quick look at JQuery source for a second:
(function( window, undefined ) {
// Can't do this because several apps including ASP.NET trace
// the stack via arguments.caller.callee and Firefox dies if
// you try to trace through "use strict" call chains. (#13335)
// Support: Firefox 18+
//"use strict";
var
// The deferred used on DOM ready
readyList,
// A central reference to the root jQuery(document)
rootjQuery,
// Support: IE<10
// For `typeof xmlNode.method` instead of `xmlNode.method !== undefined`
core_strundefined = typeof undefined,
// Use the correct document accordingly with window argument (sandbox)
location = window.location,
document = window.document,
docElem = document.documentElement,
// Map over jQuery in case of overwrite
_jQuery = window.jQuery,
// Map over the $ in case of overwrite
_$ = window.$,
// [[Class]] -> type pairs
class2type = {},
// List of deleted data cache ids, so we can reuse them
core_deletedIds = [],
core_version = "1.10.2",
------
And now at the minify source:
(function(e,t){var n,r,i=typeof t,o=e.location,a=e.document,s=a.documentElement,
l=e.jQuery,u=e.$,c={},p=[],f="1.10.2", ....
I think now you see it =>
window => e
undefined => t
readyList => n
rootjQuery => r
core_strundefined => i
location => o
document => a
So its mapped somehow to make it more shorter look here to minify something
People normally use this so there is no way back
you can just format it look here
If the code has only been minified then the best you can do automatically is reformat to make it more readable. One way of doing this is using an online formatter/beautifier. E.g. Copy and paste the line of code you posted into http://jsbeautifier.org/ or http://www.jspretty.com/ and it'll produce something like this:
var flashVer = -1;
if (navigator.plugins != null && navigator.plugins.length > 0) {
if (navigator.plugins["Shockwave Flash 2.0"]
|| navigator.plugins["Shockwave Flash"]) {
var swVer2 = navigator.plugins["Shockwave Flash 2.0"] ? ""
But of course what these don't do is put any comments that have been removed by the minifier back in. And if the code has also been obfuscated then it will be a lot less readable since the variable names will have changed (e.g. var a instead of var flashVer). See here for further details.
As you can see from the other answers, there is no way to reconstitute minified Javascript back into its original form, it is a lossy compression. The best you can do is make it readable by reformatting it.
If the code is open source, then it is likely that the code will exists in a raw state on some form of version control site or as a zip. Why not just download the raw version if available?
There is an online tool to unminify Javascripts
http://jsbeautifier.org/
And also for CSS
http://mrcoles.com/blog/css-unminify/
I am working on creating a process flow using IBM BPM 8 on a dojo platform which encompasses the use of javascript. We have in use three versions that supports NextGen coaches; Heritage coaches and Portal versions. Now through this, we are trying to implement a calendar view like that of FullCalendar or one like that of SharePoint. The group that I am working with is uncertain of how to incorporate the code function dojo.version.toString() in order to yield the results we want. I do have examples of what I have tried but am unsure of exact syntax due to using different tools.
Below are a few examples of what I have tried. Such a call is a little more out of my knowledge of what to do or the syntax to use, so laugh if you want, wont take offense, but I do hope to get some help or at least guided where I can get some help.
<script type=”text/javascript”>
getVersion(){
alert(“Version: “ + dojo.version.toString());
}
</script>
<input type=”button” onclick=”getVersion()”>Get Version</input>
RESULT: nothing
var foo: String=dojo.version.toString();
RESULT: nothing
var string=dojo.version.toString();
RESULT: nothing
var string=dojo.version.toString();
<button type="button">Get Version</button>;
RESULT: nothing
I am not the most savvy of programmers and have been directed by the group to just look up if there have been successes in this realm but have found a few that looked promising but when I try it out myself, everything works except for the version not appearing.
Thank you for your time and consideration. Any and all information is greatly appreciated.
I'm not exactly sure of your setup, but if you browse to:
http://dojotoolkit.org/
And then either in Firebug's console for Firefox, or Chrome developer tools' console, type this:
dojo.version.toString()
Then press enter, you will get (something like) this:
"1.8.3 (30226)"
To get this working in your code, you would use the following assignment:
var dojoVersion = dojo.version.toString();
Or in the style of your example
<script>
function getDojoVersion() {
alert("Version: " + dojo.version.toString());
}
</script>
<button onclick="getDojoVersion()">Get Version</button>
Off topic: I think some of your double quotes have pasted incorrectly, and I don't think they are valid JavaScript as they are.
Off topic: The <input> tag is not supposed to have any content.
dojo 1.7.3 is used in IBM BPM 8, if i remember correctly.
IBM BPM 8, 8.0.1 and 8.0.1.1 all use the dojo version 1.7.3. IBM BPM 8.0.1.2 now uses 1.7.4. However, these dojo builds are IBM customized. They are not necessarily the ones released officially by dojo. Many of their features are specific for IBM BPM.
I know it's been a while since you posted this question
If you still in need or maybe someone else who has the same issue
you can use Firebug onload it will give you which version is used
dojo version used by Coach is: 1.8.6
I'm looking for an app or a command line tool that can help me quickly find a defined function in a file. The file in question here is the EXT-debug.js file. I want to override some methods(in this case onRender) however I need to figure out the signature of said functions.
I've yet to try Eclipse or Aptana; I'm looking for a more lightweight solution.
I use agent ransack. It's able to search for files as well as content. I also like the fact that you can run it on demand as it does not use an invasive, indexing service.
Agent Ransack
Visual Studio is not exactly a lightweight solution, but I have to recommend it. It's come a long way towards becoming an excellent JavaScript editor.
Visual Studio's IntelliSense is able to infer JavaScript types and give you a dropdown of the functions and values in your object (works pretty well).
Of course, I always have my handy little muscle memory spasm: double-click-select -> Ctrl-C -> Ctrl-Shift-F -> Ctrl-V -> ENTER
And here's a plugin that pre-searches for exact string matches in your entire solution and highlights them for you, so jumping to a function definition is instantaneous. Whole Tomato's Visual Assist X
I am enjoying learning the EMACS text editor...but I can't help thinking that the HTML mode could use some work.
I am currently programming in Legacy ASP/Javascript/CSS/HTML and was wondering if there is a mode that works with this. If possible, I was also hoping the mode wouldn't be from 10+ years ago or in a buggy state.
Thanks for your help!
Will
nXhtml supports classic ASP JavaScript, is frequently updated and is not very buggy. It has better ASP support (except debugging) than current versions of Visual Studio IMO; I just use VS2010 for server-side debugging when necessary.
Here are the relevant sections of my .emacs:
(load "autostart" t)
(eval-after-load "mumamo-fun"
'(define-mumamo-multi-major-mode asp-html-mumamo-mode
"Turn on multiple major modes for ASP with main mode `nxhtml-mode'.
This also covers inlined style and JavaScript."
("ASP Html Family" nxhtml-mode
(mumamo-chunk-asp%
mumamo-asp-chunk-inlined-script
mumamo-chunk-inlined-script
mumamo-chunk-style=
mumamo-chunk-onjs=
))))
(add-to-list 'auto-mode-alist '("\\.inc$" . asp-html-mumamo-mode))
; XXX this is a total hack, see:
; http://www.mail-archive.com/nxhtml#lists.launchpad.net/msg00197.html
(defun tab-width-4 ()
(setq tab-width 4))
(add-hook 'mumamo-after-change-major-mode-hook 'tab-width-4 t)
Update: For newer versions of nXhtml, you may need to change mumamo-asp-chunk-inlined-script to mumamo-chunk-asp-server-script.
(The last bit is necessary because the ASP code I'm working on assumes 4-space tabs; feel free to ignore it if this isn't a problem for you.)
If you have ASP that ends in anything other than .asp or .inc, you'll need to edit auto-mode-alist further.
Since version 2.0 web-mode.el (available on http://web-mode.org) is compatible with ASPX. This major mode is also compatible with JSP and PHP.
You can always use the Emacs Emulation for visual studio instead.