2 spaces vs 4 spaces javascript

If your file uses a different number of spaces, the indentation may not be correctly detected. Luiz Aguiar Created June 21, 2010 15:16. Because of this feature, using a linter is recommended even if you don’t want to stick to one particular “code style”. Declare the functions above the code that uses them: Mixed: a function is declared where it’s first used. The feedback I've received from people who have now used both for extended periods of time has been in favor of 4-space indentation due to improved legibility. I'd add markup to my editor coloring the blocks in a margin, or use haskell's where instead of let..in, etc. You both need to change. For example, where I work, 2 spaces is standard. A: "Whoa, why should I have to change just to make your code readable? Oleg Shpynov Created June 21, 2010 15:28. See more about that in the chapter Code structure. But that doesn't apply when the entire file is being automatically formatted to use tabs. Форум Spaces vs. Tabs & Emacs vs. Vim (2016) Форум [холивар][отступы] tab vs spaces (2009) Форум Tab, spaces, GitHub (2018) space Optional A String or Number object that's used to insert white space into the output JSON string for readability purposes. Method 1: Using toFixed() method. it might a bit more readable, but 2 is readable enough for me, and allows me to edit code using a 3 columns layout (model, update, view). If I understand this correctly, the bit of code that controls number of spaces is one line: Is there a reason why we can't have this be a configuration option? But, about 4 years ago a job forced me to use 2 spaces. 4 spaces takes up a ton of extra real estate and, in my opinion, doesn't offer any benefits. See http://eslint.org/docs/user-guide/getting-started for more details about installation. I know I greatly appreciate the "save file, get the one single canonical formatting" aspect of elm-format. Technically this has nothing to do with this issue as you could use 2 spaces there, but once you start using 4 spaces in you Elm code you want that same formatting everywhere. Curly braces are not needed: Split to a separate line without braces. The majority of editors have one. "tab_size": 2, "translate_tabs_to_spaces": true, If you get a file indented with 4 fucking spaces: Select all View > Indentation > tab width: 4 View > Indentation > convert indentation to tabs View > Indentation > tab width: 2 View > Indentation > convert indentation to spaces If you get a file indented with 2 fucking tabs, just skip step 2. I have a very strong preference for consistency. ; undefined, Functions, and Symbols are not valid JSON values. The maximum line length should be agreed upon at the team-level. Code Indentation at 4 spaces leads to greater file size but this is obviously marginal, and as many would say the impact is not significant enough. The server with the repository had hundred of such files. disallow mixed spaces and tabs for indentation (no-mixed-spaces-and-tabs) The "extends": "eslint:recommended" property in a configuration file enables this rule. They are all 2 spaces per tab. for me 4 spaces is a waste of screen real estate, especially on laptops. Votes. The Number.toFixed() method takes an integer as an input and returns the the given number as a string in which the fraction is padded to the input integers length. I recently came across some old code that had been formatted using a previous version of elm-format that used 4-space indents (per @laszlopandy's original style guide) before the recent release switched to 2-space by popular vote. What makes it unreadable is those random tabs. I don't recall ever seeing a correctly tabbed source file, but I am very thankful when I see a source file with no tab characters at all. In the example below, the initialization of variables, the main loop and returning the result are split vertically: Insert an extra newline where it helps to make the code more readable. On Fri, Apr 22, 2016, 4:04 PM Victor notifications@github.com wrote: I prefer the two spaces myself, but I believe the right solution here I believe we need to try the switch in order to get balanced feedback. I don’t know what “most” developers do, but I use four spaces as a standard indent size for most languages. JSON.stringify() converts a value to JSON notation representing it: If the value has a toJSON() method, it's responsible to define what data will be serialized. Which one to choose is an old holy war. So many other popular repository have indentation at 2 namely privacy statement. Even a single function can often be divided into logical blocks. Here are my whys for 2 spaces (Disclaimer: This is OPINION): I'm strongly against constantly changing the amount of spaces (4 -> 2 -> 4). How set the tab size to 2 spaces Follow. I most often work split screen on a 15" Macbook Pro, code on the left, tests on the right. I assume this doesn't come up when using your normal text editor of choice...when do you find it coming up? I have Code Style -> Javascript -> Tabs and Indents set to the following. So, if you take that as a major use case for humans reading Elm, I agree that the four spaces make it much easier than two. For example, in yaml, you have to use spaces because people with 8 space tabs could be confused with those who use 2 tabs with 4 spaces each. golang/go#7101, Tabs are syntax errors in Elm, so that's not really an option. Finally this year — right before the Labor Day weekend — Google’s developer advocate decided to weigh in. Successfully merging a pull request may close this issue. B: "What are you talking about? All future attempts to restart the discussion should be short-circuited to "this has been discussed thoroughly and a decision on this topic has been made.". Hence, 2 spaces organize indentation fine when the lines are shorter. Whoa, this is the opposite of my experience! The difficulty in getting opinions is that only people who disagree are incentivized to participate. Since Elm lines are shorter, 2-spaces allows me to see more editor panes adjacent to each other. If I indent things too much and then want to remove indenting I find myself hitting the backspace sometimes. I think the most convincing argument is that code that mixes tabs and spaces becomes truly awful to read. I don't want to have to reconcile my code to match to an arbitrarily-changed 4-spaces. It would be great to hear from an elm-lang/core contributor about that. Also worth noting that the original release was 4-space; people advocated for trying 2-space as an experiment in the 0.2 release. OTOH, if I'm trying to solve this particular use case from a UX perspective, I wouldn't start with spaces. So then when I share some Elm using those tool I want it to follow the common style. If we switch to 4 I'd reaaaaally love an option for 2 :). Some examples: Finally, the Elm Style Guide uses 4-space indentation. For example, two constructs below are identical. . C: "Excuse me, but I use 8 spaces for tabs, and I can barely read the code either of you write. This is the biggest argument against tabs. All syntax rules described in this chapter (and in the style guides referenced) aim to increase the readability of your code. Right, thanks for correcting me. You can use both command palette or keyboard shortcuts to converts indentation. Nginx | 4 min ago . See previous post by pdamoc - the desire for consistency is stronger and more popular than the desire for n spaces. The other languages I use all use 2-spaces. Indent of 2 spaces with SwitchCase set to 2 will indent case clauses with 4 spaces with respect to switch statements. Engines. After that, we specify our own. With the "Format On Save" option enabled, "editor.formatOnSave": true, VS Code uses the configured code formatter, which is Prettier in my case. When editing source code this is not a huge issue as long as Elm format is running. For example, in the loop, it’s sometimes a good idea to use the continue directive to avoid extra nesting. Whenever I let vscode autoformat my code, it formats to 2 spaces instead of 4, even though apparently the default is 4 spaces, and I have not touched the settings.json Editor.tabsize also shows 4. Use the time to go write good code. . First, I try to guess the author's tab settings. It's usually 2, 3, 4, 6, or 8. Never do that, easy to make an error when adding new lines: One line without braces – acceptable, if it’s short: Install/enable the plugin for your editor that integrates with ESLint. An integer parsed from the given string. elm-format is still in alpha, so opinions are still being collected. … I'm using the Prettier extension, and it had the number of spaces per tab set to 2. As for tabs, the only massively adopted programming language that uses tabs is Go and that is not because tabs have virtues that make them the undisputed best choice, that is because a decision has been made and this is what gofmt outputs. Téléphone: 044 360 36 36 E-Mail: contact@spaces.ch Conditions d'utilisation Mentions légales , A: "Hey, half your code runs off my screen. I cannot find anywhere in the Settings where the tab and indent are set to 2 spaces. Reply to this email directly or view it on GitHub It’s usually 80 or 120 characters. Have a question about this project? A lot of space wasted with no gain. Horizontal indents: 2 or 4 spaces. Tab size: 4 Indent: 4 Continuation indent: 4 I am using WebStorm 9 on Ubuntu 14.4. Try to avoid nesting code too many levels deep. Often indentation isn't the issue that one should jump to first. VS Code will guess that the intent is to indent with Spaces@2 for this file. I'm using four." I think there are probably other major use cases for which two would be better. As mentioned above, non-breaking space is an character entity. After, the file was 50kb LIGHTER! Beginners sometimes do that. It makes me think 4-space is the right way to go, based on how they both look for actual, non-contrived production code. If you have suggestions what to improve - please. Whether they are 2D or 3D based, they offer tools to aid in asset creation and placement. After about a week, I was hooked and never turned back. to your account. The second one is more readable because the “special case” of n < 0 is handled early on. URLs do not allow many special characters, like spaces or slashes. Have I missed this point in the discussions above? If the code goes first, then it becomes clear from the start. It's really annoying to have to make feature branches just for whitespace update when elm-format (or the people behind it) changes it's mind again. Only the first number is returned: Example. These are important to consider because we are not discussing elm-format just in the context of Sublime, Vim, etc. Only using spaces guarantees it. elm-format is currently labelled as an alpha release for good reason: the format may still significantly change before release. I took some before/after screenshots (blurred both because it's proprietary code and to emphasize the "shape of the code" aspect): The text was updated successfully, but these errors were encountered: I prefer the two spaces myself, but I believe the right solution here would be to use Tabs instead of spaces. I am curious however, the argument behind two-space indents vs the other very common style, four spaces. There’s actually a pretty nice module for running this analysis (comparing different languages). autocmd BufReadPost * call Determine_Indentation Regards, Luiz Aguiar. Should we use braces at all? the idea is that when we don't have access to tools for automatic indenting, indenting by hand shouldn't be too painful, I dunno, it seems like optimizing for the environment you'll spend 99.99% of your time in makes more sense than accommodating the 0.01% case, ya know? Here is how the maximum line length changes going from 2-spaces to 4-spaces: The worst file, elm-lang/websocket/WebSocket.elm, should be ignored because it has crazy formatting due to using lambdas with infix operators #33 (comment). All of them are debatable. The most deeply-nested code tends to be data structures (lists, records, and tuples), and there is less impact on those structures than expected because the following is correctly indented both for 2-space and 4-space indentation: I thought the consideration of ease-of-typing is a good one. I cannot control this. This issue seems ready to close. Let's talk about that. Tabs come out at 2 spaces when I hit TAB or Enter, not 4 spaces. eslint: quotes It is also possible to download style rule sets from the web and extend them instead. You've moved beyond mere earthbound issues like tabs vs. spaces on your personal path to code nirvana. If that's the case, Evan should use benevolent dictatorial power to just name what he wants as the default and as soon as possible, all code in elm-lang/core should be converted to that default, ending this discussion once and for all. The great thing about them is that style-checking can also find some bugs, like typos in variable or function names. There are two main IPv4 address spaces—the public address space and the private address space. As @avh4 put it: elm-format is still in alpha, so opinions are still being collected. Most editors will allow anyone to set a tab widths to whatever looks best to you, without affecting committed code. tab_size: Integer. But because humans are illogical, we'll never see a 3 spaced code file. There are many existing guides to choose from. As I work with a lot of open source software, it seems like in recent years there has been a massive switch from four to two spaces as the standard across JavaScript which seems to have crept into other languages like HTML, CSS/Sass, JSON, etc. It's really painful to read. elm-format initially used 4-spaces, since that was the preferred style at the time. You can adjust the number of spaces by typing a different number after "text-indent:". My eyes were accustomed to easily scan blocks of verbose and curly-brace-heavy JavaScript, which was made easier by much more indentation than only 4 spaces. I think maybe spaces are really only for the compiler, not for humans, and if we want to solve human problems then spaces might not be the place to start. This means a modest 4-level deep indentation (function - let - function - body) would mean 4x8 = 32 spaces. Plus a lot of programmers spend a significant amount of time writing html, css, etc, were the fact that a file with 4 spaces instead of tabs is 5-15% larger is actually significant. Indent of 2 spaces with SwitchCase set to 2 will indent case clauses with 4 spaces with respect to switch statements. The author uses ESLint. You can try it yourself - just try glancing really fast between let and in. JavaScript Joel • Jan 31 '19 Copy link; Hide We will argue 4 vs 2 spaces until we are blue in the face. Remark: In the case of … One example is when for what ever reason elm format is not running. Example: this page you are on right now loaded at least 10% slower than it should have because the SE team used spaces. It’s best practice to split them. It seems to me like Elm would work really well with tabs. #158 (comment). Storage Spaces is a technology in Windows and Windows Server that can help protect your data from drive failures. http://elm-lang.org/docs/style-guide. You can see in Richard's Update and View files that there are big let blocks, and that matches our experience at Pear Deck too. Free Online Tools For Developers. The first line has an indentation of 2 spaces, the second an indentation of 4 spaces and the last an indentation of 2 spaces. A lot of minor things. It would be a shame if that's the only way we can change this setting. Of course, a team can always write their own style guide, but usually there’s no need to. The additional whitespace is distracting. function hello (name) { console.log('hi', name) } Use single quotes for strings except to avoid escaping. Game engines are tools available for game designers to code and plan out a game quickly and easily without building one from the ground up. Indent 4-to-2. One advantage of spaces over tabs is that spaces allow more flexible configurations of indents than the tab symbol. Here's a tiny diff for anyone who wants to build their own elm-format that follows the existing standard: To clarify the history here, 2-spaces was not chosen by popular vote. I haven't seen a really strong argument for spaces over tabs. Each bar or space is 1, 2, 3 or 4 units wide, the sum of the widths of bars must be even (4, 6 or 8 units), the sum of the widths of the spaces must be odd (3, 5 or 7 units), and total 11 units per symbol. In my case, sometimes i find that having the 4 spaces + having clearly defining names (long) + 80 characters automatic breaks = breaking most of the lines. 0. @etaque curious - for your 3-column layout to work, do you keep lines to 80 characters or something significantly lower? Yeah it seems like basically everything fits in either version. It makes my. I cannot control this. Comment actions Permalink. If you are writing several “helper” functions and the code that uses them, there are three ways to organize the functions. JavaScript statements often start with a keyword to identify the JavaScript action to be performed. 3 spaces is the most logical compromise. . Emphasis mine. Public Pastes. : I have yet to see an Elm library source file in core 3.0.0 or 4.00 that is formatted w/ 4 spaces per tab. http://eslint.org/docs/user-guide/getting-started, video courses on JavaScript and Frameworks. But with JavaScript, methods and properties are also available to primitive values, because JavaScript treats primitive values as objects when executing methods and properties. I cannot find anywhere in the Settings where the tab and indent are set to 2 spaces. it might a bit more readable, but 2 is readable enough for me, and allows me to edit code using a 3 columns layout (model, update, view). Both are acceptable. I am seeing the same issue with Windows 10. Some people had requested 2-space indentation, so I ran a survey to help me make an informed choice about whether or not to try 2-spaces. Such changes are jarring; leave it at 2-spaces where it was. disallow mixed spaces and tabs for indentation (no-mixed-spaces-and-tabs) The "extends": "eslint:recommended" property in a configuration file enables this rule. Perhaps you have some kind of fancy auto-formatter that runs on every checkin. If you have any sort of limit in your IDE (e.g., vim with a limit on line length), 4 vs 2 spaces make a big difference. It could easily be my OCD, but I just can't get over it. Sort by Date Votes. Once, i had a very long PHP file. Many years ago I was a 4 space guy. I've updated the README to try to make that more clear. Converts indentation from tab or 4 spaces into 2 spaces. Two spaces after a period may be wrong within Microsoft Word, but that doesn't mean you have to comply. Spaces is a full service, creative working environment with a unique entrepreneurial spirit, where ideas develop, businesses build and relationships evolve. If you’re a novice developer, start with the cheat sheet at the beginning of this chapter. The 4-space, I have a very strong preference towards 4-spaces, I have a very strong preference towards 2-spaces. for me 4 spaces is a waste of screen real estate, especially on laptops. Somewhat relevant discussion from gofmt from when the authors locked it to tabs only. A common issue is special characters and spaces. This is utter nonsense. And the purpose of the tool is to save us from these unproductive debates. This is where the special characters are replaced by a token value, usually beginning with a % followed by a number. One of the common things I do when reading an elm function is skip to the in block, read it, and then pop back up to the let block if necessary. ; Boolean, Number, and String objects are converted to the corresponding primitive values during stringification, in accord with the traditional conversion semantics. Tab size: 4 Indent: 4 Continuation indent: 4 I am using WebStorm 9 on Ubuntu 14.4. I'll be honest: my preferred style is 2 spaces/tab for the following reasons: What matters is that Elm is already 2-spaces and there's gotta be a compelling reason to change it now. The default tab size in ERB files is et to 4 space, how I can change for 2? Just looked at a typical view function of my project: with 4 spaces, with a let block and three nodes deep, line start at character 28. It is conceptually similar to RAID, implemented in software.

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