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Aligning Ember With Web Standards

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in a and in the end the and you and I am a couch good morning nobody's going over a critical so we can talk about some classes then we can get down and dirty with some code the in Terrence some really interesting stuff so I will talk about aligning amber with web standards and my name is Matthew below I go by and exotic and I work with the great consulting firm called to and created we're really just 3 people but we do wonderful wonderful member working there were really so I straight in
his we've got a lot during to through will be a time so the dumbest standardization process is something that we start our names for previous experience 7 years 2015 is around in an idea of traditional this highlights a change in the way that we're standardizing jobs that is a super exciting but it
is really important context when we think about how we work with new jobs computers today and how we're going to be working with them in the future I these
colors can be really popular and slides for the next like here so it is so by the 2 major standards groups that we need to think about when we talk about web applications in the 1st on the what the median of the 3 C of the focus on things that are channel things herself like Don things like XHR they deal with a couple things that aren't strictly Don much streams but for most part of the restricted things browser it was the 2nd group is G C 39 and they work with ACM International to standardize JavaScript itself they work on things like classes for it left by things smart syntactical and the broad language feature that you'd see no driver just
something like that but there's a different when you can slice this and this is kind of what I wanna talk about possesses of where the ship is happening the what the gene to secure 9 are working groups so working groups are tasked with the job of coming up with aid of proposal for and then submitting that's back to the standard group so the ones who actually have to do the hard work of it consensus around different ideas and maturing those ideas getting those ideas to be I experimented on the wild and implemented in browsers in the wild so we all try them before they really become solid standards
In 2008 and the what WG was given the task of creating regional 5 ends near the work of a few years 2000 came around they said great indigo and really like standardize this thing and they realize they weren't done they realize that each channel would never be done and so the idea of releasing a one-time standard and starting all over again was really exhausting so they said they moved to a new development model where the technology is version we have a living document and this was kind a revolution kind of like a revolutionary
idea that we would have a living standards for something so instead of having a strict thing we adhere to this document we have a document that the what WG in increments over time and make changes to
I if we look at JavaScript's TC 39 atmosphere international and they have their own like story very history yes 3 is the version of jobs that that we use i in I E 8 if you were 8 and still supports the oxides that you you're not really in interactive that anymore there was an attempt to
create the Orenius 4 is actually a lot of the ideas that we use that we're looking at today in was between 15 were part of as for the Canadian consensus because it's a big process with a lot of people it's 1 versions we all have to be aligned we make this decision so just failed so accurate away
and then a few years later after they realize that jobs that wasn't dead in the Web 2 . 0 was booming and they came up with the US 5 which is really compromise is luscious through all the things that we cannot graph and will like survive for now and so we started working on
sex which is going to be yet another giant release right like all these all these things but that's been kind of new instead we have yes 2015
and the idea of moving from a giant hovercrafts sailboats here is that the change in the process is going to focus on individual features arena focus less on having a huge big bang release with all this stuff opened the jobs so this is like
of big changing jobs to and this means that the HTML JavaScript kind of well work better together all focus on features this is a list of features that you can go to get how do you can see which is the very nice working on agency they all have on the right-hand side of the stage so the idea here is all the standards for all these individual features will move through these 5 stages they go through them by actually used in the wild so I say something for proposing should try it out on tried out and by the time it gets to be a draft you can probably maybe using babble behind in experimental flag on a browser behind experiment applied I can't it means it's out there and you can really use it by throwing it for means the donut shipping and the end is that when we get Mr. . 15 2016 2017 would have been to say what features are a stage and on the lot animal and that's very similar to Apple's with HTML 5 words but living standard is changed all the time and when w 3 c the standards organization once to release of version what the reduces go-ahead snapshot the document released 5 and that's exactly be doing this in each of 5 5 . 1 5 . 2 1 in the row over like two-year increments JavaScript looks like it'll come out maybe every year so that in 20 16 stuff in so
this is kind of new that we have this across the board living thing right we think right now about stuff like that of many views babble that talk about gravity because 6 2 5 right that compile them 5 the iterating more in the future and these features are going and be turning under a on platform so need to wait to live with this the so this is
not a one-time event the idea that we align with a quiz scripts 6 is not happen once it's going to be ongoing so I can be free there is going to be the pain so I think it's worth it in just a moment about why we use standards especially member and why were so serious about using the framework and in guys to use them in applications In the goal is really productivity which is the watchword in like a key value that embrace trying to bring to standards have a couple of really important benefits there especially for you guys as developers and collective developers the portable so if you build the number application in had easier 6 modules when you start working on a reactor stationary angular application and uses year 6 modules the already have this knowledge this is not new knowledge you need to retrain every time you change to a new framework or something like that and they obviously effect Best Practices because this is something that has been carried on to gain consensus on what the different parties that's lot of input going into it and a lot of making sure that it will be us so that we can all live within the within work with for a long time and they will endure in 10 years if you're writing jump script you'll will be using models this is not something that you have to throw away this knowledge you can actually build your own career and productivity on that's not constantly be turning in learning new things and these are white number we're very serious about trying to I get standards into the codebase into your code bases instead of doing 1 off of customs and taxes and customer us I have the 2nd thing is that participants so when we work with standards like this when we do adopt them early we get an opportunity to provide feedback to standards action in wants them of modules are a great example promises are example of some place where ever come up early and I was able to actually you know of some information back upstream foot what the know was working not working is a life cycle here and member in your application not loving center but
so transcribers are mutual bank this isn't the 1st time we had to move
in between versions of jobs we already in past when my history is 5 and when HTML 5 came out this is another time when we had had add a whole winter features the language and the corporate much inuit the eyes and they were supported on all the platforms
in remission this idea of poly tail which USC was rooted in the Greek but also admits was influenced by us back in the idea was that there's holes in your platform of yes 3 or HTML for and you want to fill those holes with little things that behave at that feel that that that that so if you're going to work with local storage you want to create a local storage API that behaves like a real API and
moving to me 5 theUS 2015 has been a little bit different right we have some things that we can use the same strategy with bullets take a look at this new media maps and masses of class acts like an object it's produced and we can go ahead and playful at 1 and we do that we have a
point tho number it promises in promises a another thing that we can also point on this is great strategy is working pretty well be success proxies in the way the proxy were to use you to get and if you are accessing the properties like whatever their it'll go through that and you have the opportunity to do a little bit of work want access to something in this is impossible going there's no way for us to do like an unknown properties on just about objects so particles I'm not going to service will here and the 2nd thing is like this that are inside of syntax online for this is not going be powerful because of the brain you syntax right the person here so runtime polyfilla isn't going to be sufficient enough to use a different strategy and
this is where babble comes in which is not news to many of you with babble is think this
avenues of 4 is a tool that takes here yes 6 just 20 K new JavaScript Code interns in the Iast 5 all John script code without needing to worry about too many details it looks like this when you actually use it it'll take like federal function and turn it into some code that changes the context of this and it enables new coupling things new syntaxes which operates as it enables us us to use a like that polyfilla comes from a car polypills but it doesn't help us do everything that helps us do a lot of the new features in a 6 which is a really incredibly useful in very different from last time that I have to do this so may change the name from 6 to 5 in when they did James robot post me said that 6 that babble was not born to die with his friends and I'm not quite sure he knew how true that was really business 6 tables a table what browser support what yes 62 so 4 6 2 5 to die everything would have to be already with the A 6 right but also means we have a new features coming in sort of have this constant churn I want to commit to look at how how this breaks down but it is a feature called you in a way which is often used for canvas so effective been around a long time is certainly a 62 so this doesn't even need to be part of that elders needed toward others because it's already therefore it's there for a long time so we're already omitting some things that are technically part of 6 has something like the spread operator is something that they do process for you but actually works of user profiles so in Firefox your shipping this point below that you really don't need you should translation that you don't need of block little functions that is another thing of course is the opposite in only works in Proc so we've got some time the ship could chronic does indeed sometimes the Firefox and sometimes the IT and so the the surface that we're
working on is inconsistent right simple as saying at trent coleus 60 it's fights actually much more complicated and babble has its set of features
chrome has that are part of this and if you bring other browsers is quickly turned into some kind of multi-dimensional spatial string theory intersection of what features you actually want to train pilots and that so what I
hope we can do more in the future with babble is yet more flexible tool where we can focus on what features are actually being friends piled I you can do this now today there is like a black list that you can say don't want these features to be transparency Beaver say I'm only going to scroll which I would not suggest you so I don't need this certain features like in the that's that's a notch effect code the browser but I think mapping platforms would be simpler to think about what you should be of salad I want to for the last few modern browsers and he'd been it'll just take care of throwing away the things that we don't need to transport in I in 2 years the problem using that will right seems reasonably Hobson codebases that is on in even in like 5 years maybe we've using double if just of the transparent you think that with the continuing additional of features you'll be using in 10 years I think this tool is going to be around for a really really long time in that we're going to be out of the 10 important tool and that we should continue to put effort into it and encourage them to get better and I contributing things that extreme as we need them to work so the
3rd thing to touch on is I Members object model so there is some specific as as we go ahead and not move things a number that's going to give 6 we try and not just take
everything that goes into expected goes into a draft we have a little bit of criteria want to know that it's stable aspect isn't going to turn so widely used modules we wait a little bit with modules but we still felt of losing you adopted them earlier lecture the syntax and be nice if we can get things before the too early but it's a balancing act is also unable to submit feedback upstream 1 of it's actually good pattern something that's useful and solve the problem well a good example might be object observed which originally looked like it was and solve all our problems in the more that people work out realize maybe that's actually not the most ideal added it's not going to solve our problems so we haven't done a lot of work I wanna make sure that actually implement couldn't implemented correctly and performing link that there's not inconsistent Bunsen across different platforms and that conditions are fast example might be mapped we map is a preview featuring a sex but was very slow in some browsers and so so that we really can embrace because implementations was quite a speedier and well what about is atmosphere classes and that I'm been call classes and I think is actually good way to think about these things in our atmosphere 20 15 classes or yes 6 classes they're just part of jobs script and we should just start talking about them as if they are part of there are really for the other 3 things are going to classes and organ decreasing the features in these 2 guys haven't looked at them in detail before so here's a class has a constructor aligned to hazard to string aligned 6 now we have no common we have these on the scope short syntax functions and and some snacks syntactic doing creative people to think it works at the pretty simple example class of if we use extends then we have a constructor you just extended the vehicle people there by the class or vehicle can be a traditionally yes 5 class that some give me before you have a function for constructor and you had methods of prototype the the fully compatible or it can be an actual object just of the object and then we can use that as a super is our very at super of syntax is used here so in the subclass who want to call the teaching of our parents and here's that we call super which identifies like the target for all of these different methods didn't find the methods of things you need in delegate that that I think constructors so the different i'll instructors you call super as if it was a function which kind of makes sense if you use the yes 5 classes where you have a function for constructor in a prototype properties this same kind of system works we have a super calling up so there's some gotchas if we wanted to pour Ember apps in syntax of right we have all of a whole new syntax which means we need user Transpiler we can point to linear syntax of so there has to be passed and has to be outputted as yes I have I There is changes in the way that super behaves both in the syntax of it and actually a little when expect in the way that semantics work what property that access to unmake since there's no real story for makes sense here right then look like there's anything we had as a solution of the problem and there's no sense known property which is so that we have a number today that would just end of this period of think Canada properties or something that we but this certainly no allowance for but we can probably live on around and I we always need to consider the trans so what this battle actually do in is that still performance is still something that works like people expect expected to work and the changes we need to make to make sure it doesn't I when babble compiled code outputs code that is used locally that still need to make sure we don't ship that code you know like a thousand times for every file a number so this gets us maybe halfway there to the syntax like just let alone even all those problems were still not quite there yet right we don't have a bunch of other things that we would expect a computer properties observers so there is a discussion about introducing decorators and Tecmar scripts and this is something that you have been advocating for and angular has also been reading for something similar the decorators are annotations so I'm going to use an example here of decorators and this is this is taken from something that he was working on added on line 2 and 3 is a decorator that that redevelopment as functions so you have a function called added which would be passed the class itself you'd be able to attach the online 9 we have a descriptor that's focused on that 1 property online 10 and I would have liked the class that property name in the actual descriptor like the begetter itself that would allow you to modify or open proxies and so we give us a depends on turn into computed property in given dependencies so how do we actually given this like landscape of things that are compatible and some things that don't actually exist that are totally just taken literally out of tweets in notes from the atmosphere or but how do we actually go about trying to align with this I think it's not going to be it's not like a switch which I could say that we're here and we have x which we can put them over to them but it's not going to happen and in many ways is like the what frameworks do right were ahead of the standards and so identifying the problems and challenges that need to be solved in the standards themselves so that is publicly something like private use so we can build a lot of places a number today internally reused bespoke yes 5 classes we use functions with things go prototype we have our custom super syntax that we sometimes use a a super pattern that we sometimes use inside a member on if we can replace those things with but the actual aquascape 6 classes I think that's a really good starting points I and then we can try a legacy wraparound that they give you amber objects to continue to use Amber objects and maybe using new syntax is as a character that you to move over to the new thing instead of using the legacy wrapper some ideas for what this could look like I knew uh this is action is modified with stuff just now outside I hope I when you're extending a class like this that takes you can extend any object or any other class so in project itself of course just returns a adopted object that has a lot of extra stuff on the i I'm missing close parentheses to In anything called I now let a lot of you doing Torrance thing so you got you got better super column there but like some things are ideally right using this not super line 7 so we have to remove your attack was ripped off is still using we still using like amber classes for most things just get this nation the like class whatever extent something else I'm so pleasant but not not ideal are however would medium block us if we get and object itself to be just an atmosphere class I for some things it would be appropriate where you don't need observers and don't need computed properties you be able to use like the full modern syntax which would feel really good and we can implement things like merge properties thinking cap properties inside of our member of the project and this would work pretty well for components have largely because the work that time needed a mode with lemma I we require for few for fewer observers of so we don't need computer properties knowing the observers in our components as much as we did before this like you the opportunity to move them over to more pure atmosphere class format media some performance benefits out of awarding observers at the same time so I think there's a lot of promise for that being 1 the initial spot where you can start using classes here is the story of member 2 0 2 3 0 it's not a story of member 1 0 2 2 0 0 and I wanna
remind you all that standards are added to a street when you run into problems with them said encourage you to immediately open up an issue and you have to push up to them but if you explore it and you think that you find something that I can be done better can be improved upon and really the community is that like the vanguard of working with standards groups and I think that we have the opportunity and clout actually have some influence that's really exciting for us all as members of the community to know that we're really building the web and building the future of our own careers and everything else technology they sort of coding and the I so a few weeks ago
we now so we're going do an unofficial between the survey unlike in a share everything here and to tell you guys that
there's a link they can go across the results will survey we put together a summary of what we think of some salient points and I you can of course down the full results if you wanna do some deeper analysis I'd like to thank Brian Reynolds who's on Twitter is coming our cues that are in turn this process and a lot of e-mailing every single need organizer on give me apart from that can find in reaching out a lot of different people together to show server if you guys the garden over 900 responses which was released on
to just 2 things lecture from the first one is I this is a list on the left of of what people use number 4 and a lot of people building products and I think that's really exciting as someone who loves building products and think that things that that's like had a really fun part of the Web an important part of what the web does not so that's really great the 2nd charter right is how many people plan to be hiring the same amount or more Member developers next year and it's about even between a same amour more and I think that's a great sign for broke that companies are not ramping down on number there at least half will short of half of them are ramping up 1 member and that's that's like super exciting as the sum of all the
beauty in the 2nd thing is that this is our chart of our who has adopted releases and when you get this work those actress-singer yes 75 per cent so a bold lower 1 9 which was state stable when we started this and 110 came out will be doing it 1 9 2 the right was 75 per cent of respondents so certify obstinate people are using the latest version of the few that you're really exciting testament to our semantic version the stability that we definitely always think about the way and that's about it so thank you you wonderful Amber community people with few no from you from
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Metadaten

Formale Metadaten

Titel Aligning Ember With Web Standards
Serientitel Ember Conf 2015
Autor Beale, Matthew
Lizenz CC-Namensnennung - Weitergabe unter gleichen Bedingungen 3.0 Unported:
Sie dürfen das Werk bzw. den Inhalt zu jedem legalen und nicht-kommerziellen Zweck nutzen, verändern und in unveränderter oder veränderter Form vervielfältigen, verbreiten und öffentlich zugänglich machen, sofern Sie den Namen des Autors/Rechteinhabers in der von ihm festgelegten Weise nennen und das Werk bzw. diesen Inhalt auch in veränderter Form nur unter den Bedingungen dieser Lizenz weitergeben.
DOI 10.5446/34742
Herausgeber Confreaks, LLC
Erscheinungsjahr 2015
Sprache Englisch

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Fachgebiet Informatik
Abstract JavaScript is a language awakening from long slumber. Browser vendors have already adopted many features from the ES6 specification ahead of its formal release in 2015, and even implemented some of the early ES7 draft specification. Ember, to help us build apps today, has provided its own version of many ES6 and ES7 features. As the drafts become specs and browsers add new capabilities, the framework will need to reconfigure itself around them. How well does Ember align with these new APIs? Where the framework differs, what might be a path forward?

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