Evan: The reason for them to do that is because Node recommends it because it avoids a problem called dual package hazard. It's just a new set of stuff that we just want now. These are straightforward. [Laughter] We're you're like, "Oh, I actually can see," and I feel like it's part of this tooling where the delta between what I'm loading in my Vite app and then what is getting transpiled or code mod'd or whatever, that delta is very low. What is the future of Babel? Is esbuild tree-shaking or is it your own magic, Vite's magic? But I don't know. Now all my customers, when they order something, you get an email about your order that has the tracking information the second it ships. Chris: That's what makes JavaScript in 2021, right? There are amazing accessibility things that you can test, but it has to walk you through some stuff because it has to ask you some questions and gain some insight to what's happening on your page, which is stuff that a purely automated test isn't going to catch but is super vital for the accessibility of a website. Deque's axe DevTools makes accessibility testing easy. How do you convert various formats into ESM and what does Evan recommend? It can take a couple of seconds to pre-bundle, even. Then you just tell them, "Hey, I don't have CommonJS.". Vue, Vite, and connoisseur of sushi. If it wasn't fast, maybe this wouldn't work. What about tree shaking? Join Facebook to connect with Evan Vite and others you may know. It's not like you open dev tools and it won't even tell you, "Oh, it looks like you're trying to load a source map but you have the syntax wrong." Traditional bundlers do this transformation step as part of the bundling pipeline. Chris: Who is tree-shaking? She was wondering if working through those problems is what inspired Vite and Vite Press or if he just makes new projects like those every couple of years. It's actually a superset of the Rollup plugin interface. Evan: Sass, Less, Stylus. But the experience we've had is, we have a lot of users who have huge projects, and they were like, "Oh, my project takes two minutes to startup and every hot module replacement takes three seconds. What's up? Home › Vue.js › Vite – Extremely fast development setup for Vue and React by Evan You Make Web Dev Fast Again. Dave: Do they work? Major bundler authors, I think Tobias, who worked on Webpack, Everette Wallace who worked on esbuild, they all built their source map visualizer just to be able to figure it out how it works. What is the future of Babel? Both Vite 2 and Vite 3 has a package that's dedicated for parsing and transforming single file components. We haven't really heavily publicized it yet, but some early adopters have been running it in production and they are super happy with it. A lot of the stuff that you think, "Oh, I need -- if I import CSS, it should do this. [00:08:01] Evan explains Hot Module Replacement from a practical standpoint. It still handles both CommonJS and ES modules. Chris: If you want to put Babel in, can you do it in Vite? Add the CSS, you refresh, and everything is kind of snappy and fast because, in those days, we don't do all these crazy transpiling, bundling, and all this stuff. People already kind of come -- today's developers, they already come with expectations because most of them started using Webpack with a higher-level pex tool like Create React App or NextJS, NuxtJS, or VCLR. At the same time, I keep thinking all these things we've been doing, if I just write it -- so, given there is ... in the browser already, I can probably simplify this by a whole lot. The axe DevTools Pro browser extension helps you find them and you don't have to be an expert at all about accessibility. Evan: Then apply the transform just as everything else. Do you just write .vue right in the HTML? Most importantly, because you're still sort of fetching these modules over HTTP. Evan: Yeah, it should be just the exports field, yeah. Well, thank you so much. Why would you, unless you are trying to test on an actual legacy browser? Introducing a new season of our Modern Web podcast with a special episode featuring Evan You (@youyuxi), creator & project lead of Vue! As tooling authors, it's not pretty fun either. Dave Rupert: Hey there, Shop-o-maniacs. A lot of times, people will open requests like, "Because I prefer to do it the other way." Evan: Sure. That's the thing. The tool can't accommodate both at the same time. One of the limitations when we first started working on a native ESM dev server is we realized, okay, if it's just a simple HTTP server, you can only serve things inside your current directory. Yeah, and you get to play with some of the experimental stuff that we've been brewing like script setup with composition API. What about tree shaking? You do need to be a little aware, but it's much better than, say, having to configure all these Polyfills and stuff for no good reason. You shouldn't have to ask for that to happen. Evan: They also already showed me an experimental version of Nuxt 3 running on Vite. Chris: I'd love to just start with that because it's called Vite. I think it's a good -- it's just something that I wanted myself, right? That's the whole difference. I had it to off for who knows what reason. To leverage more some of the capabilities that we expect in the pure bundler era is that the browser is kind of dumb. Dave: That's pretty cool. Share. It's just smaller, faster. It's marked as experimental, but it does work. So, it makes some alternative version of your index.html file and puts it in a dist folder that's already been trans--? Okay, the first two minutes with Vite, let's say it's a Vue project. Sweet! 00:00. That dramatically improved the startup speed. Everyone probably has worked at least on one project that takes two minutes to startup. What is … Chris: Then if there's something wrong with the source map, it's not like it says, "Oh, on line 12 of your source map there's a syntax error, so we could only parse this part." I say quote-unquote because it's kind of like some of these new tools are not really bundlers or purposefully avoid the concept of bundling. If you just stick to, say -- and we also transpile syntax down to ES 2015, so essentially, if you are just -- unless you're using something that are features that are not simply syntax transforms, then you should just be good. Vite is modern by default. Evan: I always have a long backlog. Hi guys, I worked on switching a project from Vue 2 to Vue 3 and had some breaking issues that made me lose a … Posted by 5 days ago. Import map also kind of helps with caching. Evan You chats with us about Vite. And what the first 2 minutes of a Vite project are like? Vite serves your code via native ES Module imports during development, allowing you to develop Vue.js single file components… What is "do this"? You'd just call it style injection, I guess. [Laughter], Evan: Yeah, it actually works with mono repos, right? What about tree shaking? I think I kind of appreciate all the work tools like Webpack does in handling all these wildly contradicting usage of package formats. Evan: Yeah, the server-side rendering is a pretty generic implementation. Evan: Yeah, so you need to be aware of that. It seems like that was absolutely standard. Anyway, I do have Web component questions, so I'll just gently throw those in the trash. Your source code probably changes every day (when you work on it) but your dependency, once you install it, once your lock file is there, as long as your lock file doesn't change, we can assume your dependencies did not change. Well, it's a special format. Chris: Okay. That can be pretty brutal. And we don't really have any advice. You have to always hit the server to revalidate. Snowpack version 1 was actually exactly that, something that converts CommonJS into ESM. Vue is like a first-party or, I guess, maybe this is the perfect example of a second party thing. Like in Parcel, if you're writing Sass, you just make your link tag to a .scss file and it just knows what to do. Welcome to Enjoy the Vue! Otherwise, try it 20% off with promo code shoptalk. The one I happen to use is Printify, which I think is fine. Vite doesn’t bundle our projects in development environments, rather it uses native ES module imports. [Laughter]. Yeah. Rollup has its own thing. I guess the premise is, if we first assume that the browser is now much more capable, assume you're writing modern JavaScript, what can we throw away in our dev workflow and just boil it down to the bare minimum, the actual features that we care about like being able to import from an NPM dependency, being able to just have TypeScript just work, being able to have a plugin system where it's straightforward to say, "Use this plugin, and you got Vue working. I think you should probably start your package directly with conditional experts field since I believe that's -- you know the situation with module fields and browser fields is, there are so many established conflicting usage that a lot of tools have. It can only handle simple script tags. Introducing Vue Vite first. [00:27:06] Tessa asks Evan, thinking about the first user experience, when people go to Vue docs and they have you import the script file and you make your first component in line JavaScript, do you think that might be replaced by spinning up the Vite app in the future? You're just a translation layer, as I'm understanding it. Chris: Sweet! Friends don't let friends ship inaccessible code. Once it had this capability of doing multi-entries, I realized, "Okay, it already has the capability to do what I was previously doing with Rollup to pre-bundle the dependencies," so I started experimenting with it and was able to completely switch the whole pre-bundling process to use esbuild under the hood. ", Evan: Right? Evan: Yeah, that's the conventional part. It's kind of been a common experience and, in the Vue ecosystem, we've heard a lot about that as well because Vue CR is based on Webpack. Hi everyone, like the title, today I’m going to show you something new Vue that Evan You just created ….. that’s Vue Vite. Chris: Yeah. I actually opened the issue to ask for a standalone transform API from Evan Wallace so that I could use it in Vite. How is Vite so fast? I thought that was A) a bold decisions, but B) it make sense because JSX is so kind of fundamentally different from what it has to do. I've used it a bunch in the past. Go with it. Do you un-waterfall the waterfall in dev? These are spec'd. Then this, this, this, this, these loaders, and then write your config file like this. The first is the change network waterfall because you will have ES modules and A imports B imports C. The way it works right now is, if you don't have any sort of resource prefetch and hints, the browser will just fetch A. Vue.js lets you extend HTML with HTML attributes called directives. Is the goal to the be like most projects don't need to touch it at all? You probably didn't set out to build an app that was purposefully inaccessible. We have 30 seconds left. [Laughter] We have all these non-standard fields impact JSON like browser field, module field, jsnext, and now we have conditional exports. Then if we make everything configurable, then we're just back to Webpack, right? If you're trying to make a simple change and you have to wait several seconds for something to update on every change--. Chris: Whoof, 30x, almost. Our tooling can actually do less and focus just on transforming, only if necessary, actually. How is Vite so fast? Evan discusses why he is so excited about Vue 3, and the differences between how the architecture of Vue 3 differs from other frameworks such as Svelte, Ivy, Ember,… Evan: [Laughter] Yeah, it's tough because shipping it correctly, especially if you have an existing project, adding exports field is sort of risky because it will probably break some existing tooling that expects to work in a certain way. Evan: I think Babel is because it's not a single purpose tool, it's a whole co-transformation infrastructure, so people use it to do all kinds of different things like JSX, even TypeScript. If you are a slow network on the phone, this just causes a lot of problems. I can do it insanely fast." For Nuxt, the Nuxt team already has all these crazy, experimental integrations, so they made this bundler part swappable, so they already shipped something that allows you to use Vite in Nuxt too. Chris: Does it leave your spreads alone? This is something -- we have an opportunity to say, "If all future tooling converge on this, then we have this unambiguous way to figure out what you should resolve to," unlike previously where every package ships like these main, JS, Next, module kind of package, unpackage, browser - you know, all these fields. [00:15:47] Evan tells us how he made the decision to go with Rollup putting together Vite, and what that was like versus Webpack. It's like Bay 64. You should just ship plain ESM. If you're importing to a sibling package--. If you don't, then you can't really cache it locally. I thought that it would be nice if people got shipment notifications. What about tree shaking? Chris: I know, but that's the one that makes the sim links for buddy packages. Chris: [Laughter] Well, we have the creator of Vue himself, Evan You, on. Yeah, that's probably--. Evan: Yeah. When you want to start working on something, you just fire up a server with an a-.html and everything kind of just flows from there. One of the things I do is use a print-on-demand service. Wow, that's while. Evan: The waterfall is actually almost negligible during dev. Exactly, yeah, that's another part of it. Inside a single file component in the style section, you can use -- I need to double-check, but I think we add this special V-bind thing in your CSS, so you can just bind state. Then, voila, you can have this basic project running," right? Show Description*****Evan You chats with us about Vite. Evan You, creator of the Vue.js front-end framework, recently presented at the Vue Amsterdam 2021 conference the latest and future Vue developments. Yeah, it just knows what you're doing. The idea is, we squash all these 600 lodash-es modules into one thing. What are the things remaining that we need it in? Chris: Do you push those? I mean if you want to get Preact rendering in there, it probably will work too. You refresh. Tessa has an amazing metaphor at the end, according to Ari ☺. Dave: But then you throw in, "Oh, it's JavaScript, but you've got to kind of fiddle with it to actually make it work. Evan Vite is on Facebook. We have a Patreon, too. Try axe DevTools Pro! Chris: I was going to be like "un-component loaded Coyier" or whatever, but that's not one. 140: Evan You - Reimagining the Modern Dev Server with Vite. It could support now two frameworks or two different front-end libraries. In this episode, Adam talks to Evan You about Vite, a new dev server and build tool for modern JavaScript projects. Evan: Yeah. About our guest: Evan You. Tiempo: 48:09 Subido 28/05 a las 13:01:44 55504767 Thank you, dear listener, for downloading this in your podcatcher of choice. Chris: I'm on this thing right now where CSS modules is actually not a nonstandard syntax. It takes a whole second for the page to load by just importing it. Top problems I got switching to Vue 3. I think it has one or two little fancy crap things it does that's nonstandard. Some of the more, crazy config files I've seen are people who like to write their own plugins. Network latency is just a fact of life. I probably poorly explained it here a half a dozen times, so I'm glad you're here, Evan, to explain it better. If you publish something to ESM, do this because it's good for everybody." It won't tell you shit. When I was testing this new pre-bundling stuff, I literally get incompatibility reports every single day. Because we've seen that a lot of the -- I mean I personally worked on higher-level tooling on top of Webpack and it's complicated as hell. Chris: Import view from Vue is invalid ESM is the problem, right? We will discuss with him all about Vite, Vite Press, and Vue. Catch and squash tons of potentially critical bugs while you code. Chris: Yeah. share. Chris: Okay. Is that the core thing? Evan: Yeah. 148. Then it fetches C. Evan: Yeah, and the waterfall kind of compounds with the latency. That gets you access to the Discord, which is popping off. Evan: Yeah, so here's the smart part, right? Evan: Some packages, they ship UMD files in the browser field and they ship browser-oriented ESM in the module field. When I open dev tools, I see the Vue file, actually. [00:31:05] Ben asks Evan since he currently uses VuePress and loves it, does he have any ideas, roadmap wise, whether you see it as the replacement as a VuePress 2.0 or would they live side by side? Dave: At click. Is that the biggest part of all of this? You can only trial and error this until it works. There are all kinds of different types of notes that have different colors. Some of the stuff people will probably use is just like common pay VSCs, you know, setting the public path, the base option. Super, super popular, I'm sure partly due because WordPress is really popular, but also because it's awesome. If you use a bundler like webpack and you’re looking for more speed, you’ll love Evan’s new project, Vite. That's awesome. How do you convert various formats into ESM and what does Evan recommend? You roll up translator on top of esbuild that is very, very fast and has a Web server packed in - sort of. I'm using it right now as the store on CSS-Tricks, which is probably not like one of these stores that has 10,000 projects. That's awesome. I want to talk about Vue 3 because that's something that has launched since the last time we talked. So, this whole thing, this is like what Rich Harris came up in his exploration for Svelte Kit, so I felt that's a good solution to improve the DX for server-side rendering-related projects. Then there is transpiling for legacy browsers. Is it cool with that? Chris: Does it leave your async/await alone? Dave: I'm using it. Chris: It seems like that'll be true for--I don't know--at least a while that, you know, don't bundle in dev; bundle in production. We all expect them to transpile to more or less the same thing. Vite does this thing by converge, like transforming your client-oriented modules on the fly, load them in NodeJS and memory, maintain this graph, and then do this in-memory replacement (kind of like hot module replacement) directly in Node. After using it for just transforming individual modules, esbuild became a lot more mature in bundling libraries. Evan: Yeah. Then I became really bullish on the idea (although it's gone nowhere) which is the ideas that all state should be mapped to CSS properties. Hey, Evan. If I can ship production projects that make really smart decisions for me and are tree shaken and bundled intelligently and whatever kind of magic happens, all my production story is good too. Hot Module Replacement (HMR) that stays fast regardless of app size. Which ones do you get out of the box? Printify did actually the smart thing where they would update the order with the tracking information for the order. It has these things in it called Intelligent Guided Tests, which you have to see. Then if you're really targeting pretty modern stuff, it's like, maybe I don't need -- maybe I don't even need to send it through Babel at all. Evan: I think we're pretty good now, since we're seeing all these people reporting, migrating their existing projects to Vite without much problem. Escucha y descarga los episodios de Full Stack Radio gratis. According to its official documentation: Vite is an opinionated web dev build tool that serves your code via native ES Module imports during development and bundles it with Rollup for production. I run it on the box, right team as well love to just parse and fetch.! Cache it locally design or if ant design code in Vite it helps you find fix. An out of time here I could use it, they ship browser-oriented ESM the... What a... Programa: full Stack Radio a CSS property, custom property working, was n't.. 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