topic: JavaScript

Everything I’ve written on the subject, from the beginning of this version of the site.

I may also have written on this on earlier versions of my website:

2006 – 2011 (link coming soon!)
did not have a blog!
2012 – 2013 (link coming soon!)
2014 – 2019

2019
- Nov
  - 28
    - A JSON Feed Apology and Explanation — JOURNAL
      
      All my best efforts and this is still where we end up!
2020
- Feb
  - 23
    - 17:25 ❈ — NOTES
      
      I’ve spent a good chunk of this afternoon working through and tweaking and fixing some things about this website, and as much as I like 11ty, at this point I would love to be doing this work in Elm instead. A tool like elm-pages seems very appealing.
      
      As for why: I just spend a lot of time sad about JS “sorry bro that’s undefined” stuff and templates being totally type-unaware. Even something like Gatsby + TS would probably be better here, but Elm’s rigor and top-to-bottom integration of types and rendered HTML and CSS would be a huge win for the way I build websites.
- Apr
  - 09
    - JavaScript Functional Immutable Update Performance — JOURNAL
      
      What are the performance implications of “immutable functional updates”?
- May
  - 13
    - mut (and set) and autotracking in Ember Octane — JOURNAL
      
      Understanding a surprising behavior — and fixing a refactoring hazard.
- Jun
  - 07
    - Building the Slow Way — JOURNAL
      
      Or, part of why rewrite is taking a while: I’m in this for the long haul.
  - 19
    - 17:00 ❈ — NOTES
      
      I was hoping for a pleasant afternoon implementing a markdown-it plugin for “line blocks” to support poetry. It was… not a pleasant afternoon.
      
      markdown-it is fast, but between its API design (:shudder:) and its mostly-missing docs (:sigh:) it’s terrible to work with. I quit.
- Aug
  - 17
    - Migrating Off of PromiseProxyMixin in Ember Octane — JOURNAL
      
      An important refactor for getting rid of mixins and proxies.
  - 28
    - Async Data and Autotracking in Ember Octane — JOURNAL
      
      Digging into the load helper and AsyncData type I introduced in an earlier post.
- Sep
  - 04
    - Tracking in the Glimmer VM↩︎ — ❈ — ELSEWHERE
      
      Chris Garrett (@pzuraq) explains to me how autotracking and the Glimmer (Ember) template layer connect!
  - 22
    - Autotracking: Elegant DX Via Cutting-Edge CS — JOURNAL
      
      A modern JavaScript reactivity system powered by Lamport clocks and incremental computation and depth-first searches: oh my!
- Oct
  - 06
    - Initializing Class Fields in Ember Octane — JOURNAL
      
      One of the many small-but-lovely benefits of getting to use native classes in Ember Octane.
  - 24
    - Writing Robust TypeScript Libraries — JOURNAL
      
      A subtler art than it might at first appear, if you intend to support JS or even loose mode TS.
  - 31
    - Notes on Thoughtbot’s “Stop Using ‘any’” — JOURNAL
      
      A couple tweaks and improvements to a good post!
- Nov
  - 03
    - 08:13 ❈ — NOTES
      
      I do believe my weekend adventures in Prolog slightly broke me. I keep trying to end statements in JavaScript this morning with periods instead of semicolons. 😂
- Dec
  - 07
    - Ember Octane is a New Mental Model — JOURNAL
      
      …not a 1:1 translation from Ember Classic — but that’s often a big win!
  - 11
    - 19:23 ❈ — NOTES
      
      Automatic-semicolon-insertion makes a number of potential design moves for JavaScript hard-to-impossible — like ‘just’ making existing statements into expressions (which is otherwise at least close to feasible).
      
      So… "use semicolons";, anyone? 😏
  - 22
    - 16:25 ❈ — NOTES
      
      At long last — literally over a year late! — we just published our revised, Octane-ready docs for ember-cli-typescript. They’re far from perfect, but we’ll iterate from here. And keep your eyes open: lots more motion in this space over the next six months!
    - Understanding args in Glimmer Components — JOURNAL
      
      Clearing up a common confusion with a worked example.
  - 30
    - 19:40 ❈ — NOTES
      
      I’m building a tiny bit of JS functionality for my website and… working without a component system is awful. 😂
2021
- Jan
  - 08
    - 22:45 ❈ — NOTES
      
      Going to write up a deep dive blog post on this, but for tonight, a preview: Ember.get (or _.get or R.prop) with nested keys working correctly and robustly in TypeScript — play with a demo here.
  - 14
    - 20:12 ❈ — NOTES
      
      How I spent a last chunk of my evening: messing around and seeing just how much faster Rust is than Node, by implementing an identical (dumb) “algorithm” in each — and then mucking with it to see where the optimizer can cheat. (About 10× faster for this particularly dumb loop.)
  - 22
    - Using Classes for Functional Programming — JOURNAL
      
      We tend to think classes are inherently for object-oriented programming, but they are much more flexible than that in JavaScript and TypeScript (and other languages too).
- Feb
  - 13
    - Announcement: Speaking at EmberConf 2021 — ELSEWHERE
      
      In which I’ll be speaking for 30 minutes at a JS conference… and will spend only about 5 of those minutes on JS.
- Mar
  - 11
    - 20:18↩︎ — ❈ — NOTES
      
      Pleased to publish an RFC to make TypeScript an officially supported language in Ember!
      
      Thanks for key input from the TypeScript-in-Ember “strike team” members: Chris Garrett, Rob Jackson, Yehuda Katz, James C. Davis, Dan Freeman, Ricardo Mendes, and Thomas Gossman!
  - 21
    - Progressive Disclosure of Complexity and Typed FP Languages — JOURNAL
      
      Or, one part of why to some extent Elm, and to a significant degree PureScript Halogen, can be quite difficult for users to get their heads around at first.
  - 29
    - Impromptu EmberConf 2021 AMA↩︎ — ❈ — ELSEWHERE
      
      In which my friend David Baker put me on the spot… and it was great!
  - 31
    - Keep It Local — ELSEWHERE
      
      Or: (part of) what “reasoning about your code” really means; being my EmberConf 2021 talk.
- May
  - 27
    - Chatting About Web Dev ↩︎ — ❈ — ELSEWHERE
      
      Ember CLI history, ember-auto-import, web bundling, and more
- Nov
  - 02
    - 19:19 ❈ — NOTES
      
      What I was planning to do this quarter at work was 100% driving forward TypeScript in Ember and Glimmer for us. What I’m actually doing a ton of is «checks notes» fixing memory leaks, because they’re causing our test suite to explode.
      
      REWRITE IT ALL IN RUST! ALL OF IT! ALLL!
  - 11
    - 10:15 ❈ — NOTES
      I’ve just published tracked-built-ins v2.0.0. Highlights include:
      
      Support for Ember v4
      
      Better internal implmentations
      
      A boatload of dependency updates
      
      Many fewer deprecation warnings
- Dec
  - 08
    - 07:23 ❈ — NOTES
      
      Status: really, really wishing that ES modules supported export default const foo = 123. It would be nice for many things, but it would be especially nice for the Ember First Class Component Templates proposal.
  - 31
    - Reading Settings! — JOURNAL
      
      A few notes on pairing prefers-color-scheme and user configurability, as well as adding a little reading mode switch.

2019

Nov

28

A JSON Feed Apology and Explanation — JOURNAL

2020

Feb

23

17:25 ❈ — NOTES

Apr

09

JavaScript Functional Immutable Update Performance — JOURNAL

May

13

mut (and set) and autotracking in Ember Octane — JOURNAL

Jun

07

Building the Slow Way — JOURNAL

19

17:00 ❈ — NOTES

Aug

17

Migrating Off of PromiseProxyMixin in Ember Octane — JOURNAL

28

Async Data and Autotracking in Ember Octane — JOURNAL

Sep

04

Tracking in the Glimmer VM↩︎ — ❈ — ELSEWHERE

22

Autotracking: Elegant DX Via Cutting-Edge CS — JOURNAL

Oct

06

Initializing Class Fields in Ember Octane — JOURNAL

24

Writing Robust TypeScript Libraries — JOURNAL

31

Notes on Thoughtbot’s “Stop Using ‘any’” — JOURNAL

Nov

03

08:13 ❈ — NOTES

Dec

07

Ember Octane is a New Mental Model — JOURNAL

11

19:23 ❈ — NOTES

22

16:25 ❈ — NOTES

Understanding args in Glimmer Components — JOURNAL

30

19:40 ❈ — NOTES

2021

Jan

08

22:45 ❈ — NOTES

14

20:12 ❈ — NOTES

22

Using Classes for Functional Programming — JOURNAL

Feb

13

Announcement: Speaking at EmberConf 2021 — ELSEWHERE

Mar

11

20:18↩︎ — ❈ — NOTES

21

Progressive Disclosure of Complexity and Typed FP Languages — JOURNAL

29

Impromptu EmberConf 2021 AMA↩︎ — ❈ — ELSEWHERE

31

Keep It Local — ELSEWHERE

May

27

Chatting About Web Dev ↩︎ — ❈ — ELSEWHERE

Nov

02

19:19 ❈ — NOTES

11

10:15 ❈ — NOTES

Dec

08

07:23 ❈ — NOTES

`mut` (and `set`) and autotracking in Ember Octane — JOURNAL

Migrating Off of `PromiseProxyMixin` in Ember Octane — JOURNAL

Understanding `args` in Glimmer Components — JOURNAL