Adding on that, there is an inline CSS that changes the text direction (It looks like dir=auto is not enough. I asked myself, why did they use it? The linter is currently aimed at parsing traditional CSS files but could later be adapted to parse rules and declarations defined as objects in JS. How it works? Let me add some context there. Inscrivez-vous sur Facebook pour communiquer avec Kora Chatting et d’autres personnes que vous pouvez connaître. The linter is already integrated with Phabricator, our code collaboration tool. Also, here is a tool by Barrett Sonntag for that purpose. CSS filter generator to convert from black to target hex color by Barrett Sonntag (@sosuke) AST makes it easy to access any nodes with any conditions: Are we using the right class names? The avatar needs to have an inner border with a transparent black color (10%) to make bright avatars appear as a circle, even if the avatar was full white. Inscrivez-vous sur Facebook pour communiquer avec Dionkounda Kora et d’autres personnes que vous pouvez connaître. The custom rules were ported via a convenient built-in plugin mechanism. And all this will work no matter the formatting of CSS, and no matter where the rules and declarations are located (e.g., top level, inside media blocks, inside keyframe blocks). There is one that caught my attention which is “Your Photos” section. For example, the user name in the post component has dir="auto" attribute. Inscrivez-vous sur Facebook pour communiquer avec Cheick Kora et d’autres personnes que vous pouvez connaître. You can support and, /* Which is equivalent to: top: 4px, bottom: 4px, left: 0, right: 0 */. ‎صفحة خاصة باحباء النادي الصفاقسي و خالية من "التبندير"... النادي الصفاقسي فوق الجميع‎ Facebook offre à … 249 kişi bunun hakkında konuşuyor. See below: Since the SVG technique is being used only for a few places, I guess that the reason of using and
is related to page size. You'd scroll a page full of videos and random parts of the page would disappear and reappear. Well, there are four empty
elements with a width equal to each photo. Cheick Kora est sur Facebook. Each of these new features and technologies incrementally slowed the site down and made it harder to maintain. Facebook Blue Background in CSS. CSS filter generator to convert from black to target hex color. १३ जनाले मन पराउनुभयो. It’s usually better to let an auto-formatter do its job and save developers time. Well, that is for dark mode. No! Improving CSS quality at Facebook and beyond. Inscrivez-vous sur Facebook pour communiquer avec Kora Mora et d’autres personnes que vous pouvez connaître. Those values are used for the dark mode as well. The above is a section for friends requests that appears randomly in the home page feed. I highlighted the original cover photo in a white border for clarifying purposes. While it served its purpose well over the years, we wanted a more robust solution. CSS Forum (www.cssforum.com.pk) is a complete resource for CSS competitive exam and information on Pakistan civil service. For a multilingual website like Facebook, it’s sometimes hard to expect how the content will be. 86 K J’aime. Hoss Kora est sur Facebook. At first, we need to get the dominant (the most used) color in the cover photo. One important aspect of our linting process is auto-formatting. Since the code would have to be syntactically valid for this type of parser to work, we could no longer treat our entire CSS codebase as a giant blob of text. For me, it’s rare to see a use for vertical media queries in the wild. The icons with CSS filters are some wizardry dreamed up by @jsu07 to make legacy icons work in all colors and in dark mode until we can convert them to SVGs in React. Perhaps there’s a performance issue. For example, a button that needs a different grey shade on hover, we simply use the following: However, it seems that for a large website like Facebook, this is not practical. A box shadow on the floating header like that was killing scroll perf in browsers. I Write about web accessibility on @weba11ymatters and share articles on my blog. Kora Pedrosa est sur Facebook. Do you notice that there is a gradient with a color similar to the main color in the cover photo? This is the first time that I blog about something like this. To help personalize content, tailor and measure ads, and provide a safer experience, we use cookies. on CodePen. One of the problems with our old linter was that we had no unit tests. 🎉I published a book about debugging CSS! I will call it a spacer div, if that’s ok? Linter has support for patching, and if something doesn’t conform, it asks if you’d like things replaced according to the rule. Kora Loreta est sur Facebook. The old linter was essentially a number of regex search-and-replace rules. Are we including correct abstractions? Oulaya Kora est sur Facebook. You can hire me. This makes the linting process an important step in the collaborate-and-commit workflow. This new approach would be a significant improvement in CSS code quality by catching typos that would have otherwise gone unnoticed and resulted in silently incorrect rendering or behavior. It’s interesting that a tiny shadow causes such performance issues. Once it’s there, the team created a small cover photo with that color only. I enjoyed working on this article and learned a lot. This is added dynamically based on the cover photo. Properly parsing CSS is not a trivial problem, and accounting for custom vendor extensions and specification changes is even more challenging. Here are my thoughts: As I mentioned, the border inside the avatar is useful for bright images. Inscrivez-vous sur Facebook pour communiquer avec Kora Kènèmè et d’autres personnes que vous pouvez connaître. While we already try to ensure CSS code quality on different levels — through code reviews, style guidelines, and refactoring — unintentional mistakes can also be eliminated with static analysis before they’re even committed. When the dark mode is toggled, the class __fb-dark-mode is added to the HTML element. Inscrivez-vous sur Facebook pour communiquer avec Bacari Kora et d’autres personnes que vous pouvez connaître. Facebook believes in building community through open source technology. Facebook offre à … Sports Event. We used a trusted Jest framework (and worked with Stylelint to add better support for it ) and now have a nice set of easy-to-understand tests like this: This rewrite is only a first step toward higher-quality CSS. Inscrivez-vous sur Facebook pour communiquer avec Kora Salvo et d’autres personnes que vous pouvez connaître. Once added, it overrides all the variables defined in the :root as below: Here is a video when the class is toggled. Typo in a property name, incorrect hex, wrong separators — browsers simply ignore all of these, which is far from the original developers’ intent. Facebook offre à … Rebuilding our tech stack for the new Facebook.com. Is it that hard to replace this with an SVG icon and simply change the fill color? Frank Yan discussed at React Conf some of the technologies and strategies powering FB5, the new facebook… This can be a powerful and time-saving concept. Maybe in the design system they built, adding a margin is not allowed for a container element. Inscrivez-vous sur Facebook pour communiquer avec Sekina Kora et d’autres personnes que vous pouvez connaître. This is concerning, since we’re dealing with something that parses almost arbitrary text. Inscrivez-vous sur Facebook pour communiquer avec Kora Loreta et d’autres personnes que vous pouvez connaître. Our Facebook Page just touched the magical 150k mark and, to celebrate, I created a little page in HTML & CSS that has the Facebook Like button in the absolute center while the page background is filled with a blue gradient, very similar to the color scheme used in the official Facebook logo. Sekina Kora est sur Facebook. Do you have a comment or a suggestion? Inscrivez-vous sur Facebook pour communiquer avec BilAka Kora et d’autres personnes que vous pouvez connaître. Kora est sur Facebook. Facebook offre à … The background added for the element is from the dominant color. However, Facebook added a
to act as a space between the edge of the container and the grid. Unfortunately, Stylelint doesn’t have built-in auto-formatting (and, arguably, a linter shouldn’t be concerned with such a task), so we had to reimplement a few of the existing Stylelint rules to add support for replacement via our existing infrastructure. The shadow make you feel that it has depth and it’s far more real than just sticking with a regular shadow. Kora Colbeck est sur Facebook. There are a number of useful rules we’re planning to add (both built-in and custom ones) — all of them aimed to catch common errors, enforce best practices, and control code style conventions. Perhaps they should be abstracted into reusable components and/or variables. Kora Ame est sur Facebook. Maybe the image is changed on hover? Are there localization issues? I hope you find it useful, and please spread the word if you like it. Latifou Kora est sur Facebook. When Royi was asked about how they tested this, he answered: Honestly this one was really bad. The main header has a shadow which you might expect it was added via CSS box-shadow, correct? SVG is being used for the avatar images like the profile photo, your pages or the groups you’re in. Perhaps they should be removed or replaced (sending fewer bytes over the wire). Kora Chatting est sur Facebook. Until recently, we used a homegrown CSS linter to catch basic errors and ensure consistent style. We decided the new solution would be based on a real, spec-compliant CSS parser. © 2012–2021 Copyright Ahmad Shadeed. UI, UX Designer & Front-End Developer. This is a CSS logical property which equivalent to text-align: right for LTR layouts. Kora Kaelig est sur Facebook. As far from what I saw, the CSS (~100K lines) is full of utility classes, and a class can be easily added to the wrapper to give it a margin. important” (which is apparently treated the same as “!important”), complex selectors, non-standard properties, and many more potential issues. It can be used like this: The inset property is used on the hover div for some elements, and it’s being added inline in HTML. Inscrivez-vous sur Facebook pour communiquer avec Kora et d’autres personnes que vous pouvez connaître. It didn’t take long to realize that PostCSS would be a great tool for the job — a proper, standard-based CSS parser with an excellent modular architecture. ‎صفحة خاصة باحباء النادي الصفاقسي و خالية من "التبندير"... النادي الصفاقسي فوق الجميع‎ Why there is no margin there? Here is the CSS used: That’s all, folks. Kora Kènèmè est sur Facebook. As it stands now, a CSS linter is largely irrelevant in cases when CSS is defined in this less traditional approach. It was also a performance issue. Join Facebook to connect with Css Kora and others you may know. Inscrivez-vous sur Facebook pour communiquer avec Kora Fares et d’autres personnes que vous pouvez connaître. Inscrivez-vous sur Facebook pour communiquer avec Kora Kaelig et d’autres personnes que vous pouvez connaître. What are the most prevalent colors/font sizes/z-indexes? 4 010 en parlent. As per CanIUse, all major browser supports that feature but with a prefix. Inscrivez-vous sur Facebook pour communiquer avec Kora Lessago et d’autres personnes que vous pouvez connaître. The above styles are added as inline styles, and they also change based on the browser. I recommend to view it full screen! Similar to JavaScript-based parsers/linters like Esprima and ESLint, PostCSS and Stylelint give you access to the entire AST (Abstract Syntax Tree). Inscrivez-vous sur Facebook pour communiquer avec Kora Ame et d’autres personnes que vous pouvez connaître. I liked that they used CSS variables. Inscrivez-vous sur Facebook pour communiquer avec Kora Pedrosa et d’autres personnes que vous pouvez connaître. When the last one is clicked, the icon color become blue. Dionkounda Kora est sur Facebook. You might wonder, why is there an inset shadow with a 50% transparent white color? This is very weird for me. I liked that they used one to shorten the width of the news feed in the home page. Here’s a more involved example that finds the linear-gradient “function” and checks its first argument: The code is relatively easy to understand and update. Well done, Facebook! If you’re interested to learn more about how to convert a black image to any color using CSS filters, this answer is for you. Kora Fares est sur Facebook. In this article, I will talk about all the interesting things I saw. Learn more, including about available controls: Cookies Policy, Improving CSS quality at Facebook and beyond, 2020 year in review: Connectivity innovations, faster apps, and progress toward net zero, Infer powering Microsoft’s Infer#, a new static analyzer for C#, FioSynth: A representative I/O benchmark and data visualizer for data center workloads, PPL Bench: Creating a standard for benchmarking probabilistic programming languages, Introducing resctl-demo: Better resource control with simulation, slow-css-properties to warn against performance-sensitive properties like opacity or box-shadow (just to be mindful of them), filters-with-svg-files to warn against filters not being supported in Edge when referencing SVG files, use-variables to warn against values that could be replaced with existing constants (we use custom, common-properties-allowlist to catch potentially nonexistent properties (i.e., typos), mobile-flexbox to catch multi-value flex that’s not supported in older mobile browsers, text-transform-uppercase to warn against “text-transform: uppercase” (which is not internationalization-friendly). The HTML looks like this: That way, those empty divs will act as a fake item and they will keep the spacing equal between the items. In an effort to be more inclusive in our language, we have edited this post to replace “whitelist” with “allowlist.”. Css Kora is on Facebook. Inscrivez-vous sur Facebook pour communiquer avec Kora Colbeck et d’autres personnes que vous pouvez connaître. Not only that, there is a dedicated
for that shadow.What’s the point of using that? Meanwhile, the linter serves its purpose. What are the least used properties/values? The two caught things like the typos mentioned earlier, values inside linear-gradients or keyframes, things like “! For example, it will be left-to-right for English, and right-to-left for Arabic. Casa Kora, Buenos Aires. Using space-between for the spacing is risky, because it can fail in cases like having only three photos. That’s a wrap. This element is being toggled in JavaScript to change the opacity from 0 to 1, so I played with it a bit and discovered that it’s being used heavily for a lot of components. On the sidebar, there is a list of links like the user profile, most recent, memories.. etc. Vivi la experiencia Kora. It was difficult to change and to understand. I liked how the team created a shadow for elements like dropdown menus for example. Meanwhile, we’re discussing potential generic changes to Stylelint to make this easier for all users in the future. I noticed it on the component below: At the time of writing, inset is supported only in Firefox 66+ as per CanIUse. Well, the answer is no. If that means anything, it means that the design language is consistent and the system was carefully designed. As you can see, the end result looks similar to the mix-blend-mode solution, but with a little bit of extra markup. We were able to use a few of the existing Stylelint rules, such as declaration-no-important, selector-no-universal, and selector-class-pattern. Restaurante gourmet a puertas cerradas. Inscrivez-vous sur Facebook pour communiquer avec Oulaya Kora et d’autres personnes que vous pouvez connaître. Yes, this is a production code from Facebook.com. We already do this with JavaScript (via ESLint) so there’s no reason we shouldn’t be able to do it with CSS. Are there any deprecated or non-supported extensions? It's for performance. I downloaded the image they used to you can see it closely. I don’t know what’s the reason behind that mix. They used a
with a background image that is repeating across the x-axis. There is a grid of persons, and this grid needs a margin from the left. While we are currently exploring the CSS-in-JS approach at Facebook, it’s still in its early experimental days, and we still have a large CSS codebase to maintain. It’s powered by PostCSS, just as flexible, and well-supported. You can learn more about it from this article by CSS Tricks. It felt good to see the prowess of PostCSS and Stylelint crunching through our files. For each rule, we had to iterate over the entire input again and again, matching various regular expressions. It means that the direction of the text will be based on the language. dir=auto And CSS Logical Properties. The inner border has been added as below: And if the image is rectangular, the shape to be used is a rect: Interestingly, the avatars in the home page feed are built using an with a
element for the inner transparent border. Bacari Kora est sur Facebook. Facebook.com launched in 2004 as a simple, server-rendered PHP website. Buy now. The plus and arrow are images, while the messenger and notifications ones are SVG elements. I am a curious person who is always interested in opening up the browser DevTools to see how things were made on a website. With thousands of engineers working across a range of products at Facebook, we face some unique challenges when it comes to code quality. I noticed that there is a CSS filter for changing the image color. I wasn’t old enough to live in the days of spacer GIFS, but I saw something that I think is related to them. Facebook Messenger-like gradient coloring in CSS: The Facebook Way by Stepan Bolotnikov on CodePen. See the collection of screenshots below for where this element is being used: I like the consistency and simplicity of having the same hover effect for a lot of elements. This is also used for the verified account icon. What I noticed there is the use of multi-line text truncating. It means that the direction of the text will be based on the language. It was gnarly. Facebook offre à … The last thing you want to do during a commit is to see lint errors, and then go back and fix all of them, across multiple files, especially if it’s something as mundane as alphabetic rule reordering. Facebook is showing information to help you better understand the purpose of a Page. ESTA pagina ES PA KE LAS chikaz se den kuenta ke no NECESITAMOS UN NOVIO pe ser felices =D For CSS, this means having thousands of files that are in a continuous state of flux. Another great thing about having a proper CSS parser is that it’s possible to gather accurate statistics about the codebase. Additionally, their approach provides more flexibility for … Please feel free to ping me on @shadeed9. I asked myself, how the color is being changed when this is an image? Here is a mockup that shows that in detail. Facebook's CSS-in-JS Approach - Frank Yan at React Conf 2019. 242 talking about this. See the mockup below how it failed: How did they fix such an issue? If you’re interested to dig more in RTL styling, I wrote a detailed guide about that. From what I saw, there are 320+ variables added to the :root element. Facebook offre à … Hopefully, this will provide a solid set of modern rules and guidelines for everyone to use and collaborate on. By clicking or navigating the site, you agree to allow our collection of information on and off Facebook through cookies. Do you like my content? With thousands of engineers working across a range of products at Facebook, we face some unique challenges when it comes to code quality. Journal CSS, Sfax. Some of the bits lurking in the shadows of our large codebase might have been things like: Can you spot the subtle differences? Kora Lessago est sur Facebook. When rewriting our linter to use Stylelint, we added tests for each single rule, ensuring that the rule catches the right things, ignores irrelevant things, and suggests the right replacements. See the below mockup: The browser support is fairly good for this CSS feature. CSS Forum (www.cssforum.com.pk) is a complete resource for CSS competitive exam and information on Pakistan civil service. Get the latest CSS articles published by Ahmad Shadeed, a UX Designer and Front End Developer. For a multilingual website like Facebook, it’s sometimes hard to expect how the content will be. To make the image as a circle, they used SVG. This is a 2px * 14px image that is being repeated. It’s worth mentioning the CSS-in-JS concept that’s been gaining traction in the React community lately. Usually, I will do this by margin-left: 16px. Explore our latest projects in Artificial Intelligence, Data Infrastructure, Development Tools, Front End, Languages, Platforms, Security, Virtual Reality, and more. We’re excited to use open source tools and contribute back as much as we can. We then selected Stylelint as our CSS linter. 1,735 likes. https://t.co/rD6KknZvKI. Inscrivez-vous sur Facebook pour communiquer avec Latifou Kora et d’autres personnes que vous pouvez connaître. Inscrivez-vous sur Facebook pour communiquer avec Hoss Kora et d’autres personnes que vous pouvez connaître. See below for a zoomed image of that inset shadow: I noticed that all the grids in website are using flexbox. Kora En Direct. Kora Mora est sur Facebook. Kora Salvo est sur Facebook. Some of what we have are: We’ve also contributed some rules and additions back to Stylelint and are planning to eventually release all of them, either in a stand-alone repository or directly to Stylelint’s existing lineup. In this example, we’re iterating over all declarations and finding any “text-transform: uppercase” pairs: We can even parse and deconstruct lower-level “functions” like linear-gradient. PostCSS has a native JS API, so this should be fairly straightforward. Zobrazit profily lidí, kteří se jmenují Kora Cbs.
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