microsoft/TypeScript on Hacker News

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story by w3456yhbvr5yh · 2022-05-13 · 2 comments

…loper.mozilla.org/en-US/docs/Web/JavaScript/Refe... 1 - https://exploringjs.com/es6/ch_async.html 2 - https://github.com/microsoft/TypeScript/issues/6283#issuecom...

comment by gherkinnn · 2022-05-08 · in The triple dot syntax (` `) in JavaScript: rest vs. spread

…it in case anyone is looking to use this feature and might hit the same issues. The TS issue is https://github.com/microsoft/TypeScript/issues/47945 if you'd like to see more details.

comment by tomduncalf · 2022-05-05 · in Misusing TypeScript assertion functions for fun and profit

…by MS) is not an LSP server. There is an open issue [1] that has been open since 2020. [1] https://github.com/microsoft/TypeScript/issues/39459

comment by lf-non · 2022-04-25 · in Why LSP?

…types (which is why one could argue to not implement them), but it's interesting nonetheless. [1]: https://github.com/microsoft/TypeScript/issues/43505

comment by nikeee · 2022-04-22 · in TypeScript and Set Theory

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TypeScript Instantiation Expressions

story by soheilpro · 2022-04-11 · 1 comment

…packages as dependended on by public repos. For instance, the repos that depend on Typescript: https://github.com/microsoft/TypeScript/network/dependents?p... There's often less tooling available for private repository hosts and private…

comment by WorldMaker · 2022-04-07 · in Advantages of Monorepos (2015)

TypeScript's checker.ts is a 2.65 MB file containing 44,932 lines at the moment. https://github.com/microsoft/TypeScript/blob/main/src/compil... Does anyone know why and how they maintain it?

comment by scoresmoke · 2022-04-03 · in A project with a single 11,000-line code file

…types. Will the standardisation of type annotations impose further constraints on typescript? [0] - https://github.com/microsoft/TypeScript/wiki/Roadmap#future

comment by azangru · 2022-03-10 · in First look: adding type annotations to JavaScript

…TypeScript and now I don't want to touch the stuff. TS is much more ergonomic and expressive. [1]: https://github.com/Microsoft/TypeScript/wiki/TypeScript-Desi...

comment by neurotrace · 2022-03-09 · in A Proposal for Type Syntax in JavaScript

…(and the compiler) way more complex and difficult. GitHub issue about the Turing completeness: https://github.com/microsoft/TypeScript/issues/14833 Proof of Turing completeness: https://gist.github.com/hediet/63f4844acf5ac330804801084f87a..…

comment by ReleaseCandidat · 2022-02-02 · in An introduction to type programming in TypeScript

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TypeScript Bytecode Interpreter / Runtime Types

story by marcjschmidt · 2022-01-30 · 0 comments

…[0] as a NPM build with: "typescript": "npm:@typescript-deploys/pr-build@4.6.0-pr-43617-23" [0] https://github.com/microsoft/TypeScript/pull/43617

comment by klavinski · 2022-01-30 · in A pipe operator for JavaScript: introduction and use cases

…The Typescript compiler performance wiki might also be of interest: https://github.com/microsoft/TypeScript/wiki/Performance

comment by rslabbert · 2022-01-26 · in I’m porting the TypeScript type checker tsc to Go

…hints that they might move towards more parallel processing but it requires a lot of major changes https://github.com/microsoft/TypeScript/issues/30235

comment by msoad · 2022-01-25 · in I’m porting the TypeScript type checker tsc to Go

…the same ~38,000 files in this directory from the test cases, you're pretty much on par with tsc: https://github.com/microsoft/TypeScript/tree/main/tests/base...

comment by pcj-github · 2022-01-25 · in I’m porting the TypeScript type checker tsc to Go

Related: https://github.com/microsoft/TypeScript/issues/42813

comment by AbuAssar · 2022-01-25 · in Deno in 2021

…gist.github.com/sindresorhus/a39789f98801d908bbc7ff3... And for the problems with esm and TypeScript: https://github.com/microsoft/TypeScript/issues/46452

comment by heijmans · 2022-01-22 · in NPM chalk goes esm-only and disables issues

…really ugly. I hope somebody will make at least a babel plugin or something to allow that. [1]: https://github.com/microsoft/TypeScript/issues/6936

comment by captainmuon · 2022-01-21 · in TypeScript Features to Avoid

…as your example. From the language goals > 4. Emit clean, idiomatic, recognizable JavaScript code. https://github.com/Microsoft/TypeScript/wiki/TypeScript-Desi...

comment by donatj · 2022-01-20 · in TypeScript Features to Avoid

…with TypeScript's design goals. Specifically, the one to: > Avoid adding expression-level syntax. https://github.com/Microsoft/TypeScript/wiki/TypeScript-Desi... And that makes sense to me. IMHO it's best to consider TypeScript as a tool…

comment by Vinnl · 2022-01-20 · in TypeScript Features to Avoid

…going for. It's pretty what TypeScript's going for though: > Avoid adding expression-level syntax. https://github.com/Microsoft/TypeScript/wiki/TypeScript-Desi...

comment by Vinnl · 2022-01-20 · in TypeScript Features to Avoid

I really don’t remember, sorry. I just scanned through https://github.com/Microsoft/TypeScript/wiki/Breaking-Change... and nothing jogged my memory; I’m wondering if it actually was something to do with decorators, though I still think…

comment by chrismorgan · 2022-01-20 · in TypeScript Features to Avoid

…types in languages like Rust: - https://stackoverflow.com/questions/40275832/typescript-has-... - https://github.com/microsoft/TypeScript/issues/32690 In a TS codebase I'm currently working on, we have the policy of never using "plain" TS…

comment by dbrgn · 2022-01-20 · in TypeScript Features to Avoid

…is a superset[1] of javascript, so typescript-only syntactic sugar is entirely to be expected. [1]: https://github.com/microsoft/TypeScript (repo description)

comment by maronato · 2022-01-20 · in TypeScript Features to Avoid

A discussion on checked exceptions in TypeScript: https://github.com/microsoft/TypeScript/issues/13219

comment by WolfOliver · 2022-01-13 · in Does any other language than Java has the throws keyword to declare exceptions?

…is U): U[]; Additionally, getting TS better at inferring type guards is an open issue (literally): https://github.com/microsoft/TypeScript/issues/38390

comment by amitport · 2022-01-06 · in Flatten Arrays in Vanilla JavaScript with Flat() and FlatMap()

…but the ergonomics of `flatMap` type-wise are so much nicer! Just some interesting trivia. [0]: https://github.com/microsoft/TypeScript/issues/16069#issueco...

comment by jasonkillian · 2022-01-05 · in Flatten Arrays in Vanilla JavaScript with Flat() and FlatMap()

https://github.com/microsoft/TypeScript/blob/main/src/compil...

comment by ameliaquining · 2022-01-01 · in Do we need a link step?

Unfortunately the typescript definitions for these two methods haven't been written yet [1]. [1] https://github.com/microsoft/TypeScript/issues/47171

comment by ksbrooksjr · 2021-12-29 · in Using GroupBy on an array of objects in JavaScript

> but it's not true of generics in most languages not sure how true that is. * TypeScript: https://github.com/microsoft/TypeScript/issues/14833 * Rust: https://sdleffler.github.io/RustTypeSystemTuringComplete/ * Haskell (GHC):…

comment by wk_end · 2021-12-27 · in A Review of the Zig Programming Language (Using Advent of Code 2021)

…holder on this fork, but left the MIT license in place. How does this harm anyone? Here you go: https://github.com/microsoft/TypeScript Just fork TypeScript, change the copyright holder to yourself, and do what you want with it. I sure…

comment by thesuperbigfrog · 2021-12-25 · in Microsoft forked MIT licensed repo and changed the copyright [fixed]

…JS++ cannot read TypeScript, it's a completely new/different language. [0] https://github.com/microsoft/TypeScript/issues/29651

comment by eatonphil · 2021-12-21 · in Speedy Web Compiler – a fast TypeScript/JavaScript compiler

…and then you get both a TS type AND a JS parser/validator (which works as a TS typeguard). [1] https://github.com/microsoft/TypeScript/wiki/TypeScript-Desi... [2] https://github.com/colinhacks/zod

comment by kipple · 2021-12-13 · in Deno Joins TC39

…sure there's room to complain, unless you disagree with the direction they're taking the project: https://github.com/microsoft/TypeScript/blob/main/LICENSE.tx...

comment by TimTheTinker · 2021-12-13 · in Deno Joins TC39

…fan of TS, however, it's not likely ever going to be the thing that it's really close to being. [1] https://github.com/Microsoft/TypeScript/wiki/TypeScript-Desi...

comment by jollybean · 2021-12-13 · in Deno Joins TC39

…about it!). Looks like it's on the community's radar at least, so hopefully they fix it some day: https://github.com/Microsoft/TypeScript/issues/13347 Arrays are treated correctly though, at least: https://www.typescriptlang.org/play?#code/…

comment by brundolf · 2021-11-25 · in How JavaScript engines achieve great performance

…if my code is ANY more robust than if I had written it in JavaScript. Record<> is broken/unsound: https://github.com/microsoft/TypeScript/issues/45335 Generics are wonky and sometimes wrong: https://github.com/microsoft/TypeScript/issues/31…

comment by ragnese · 2021-11-24 · in How JavaScript engines achieve great performance

…structure with all the corresponding drawbacks. [0] https://stackoverflow.com/q/56034226/247441 [1] https://github.com/microsoft/TypeScript/issues/26223

comment by strogonoff · 2021-11-17 · in The perfect configuration format? Try TypeScript

Yep, that is exactly what it is, just a simple GH webhook to azure develops / GitHub Actions trigger. https://github.com/microsoft/TypeScript/issues/46177#issueco...

comment by orta · 2021-11-04 · in TypeScript: Control flow analysis for destructured discriminated unions

The PR is the article submitted in this thread, https://github.com/microsoft/TypeScript/pull/46266

comment by nextaccountic · 2021-11-04 · in TypeScript: Control flow analysis for destructured discriminated unions

…2, // typo } x(y) The above is caught in Flow when exact types are enabled but not in TS. TS issue https://github.com/microsoft/TypeScript/issues/12936 TS has a concept of "freshness" which catches some of these mistakes when you construct…

comment by inbx0 · 2021-11-03 · in TypeScript: Control flow analysis for destructured discriminated unions

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TypeScript: Simplify relationship check for conditional type on target side

story by tosh · 2021-11-03 · 0 comments

Also: https://github.com/microsoft/TypeScript/pull/46429 . Anders is on a roll!

comment by sizediterable · 2021-11-03 · in TypeScript: Control flow analysis for destructured discriminated unions

…this pull request, you can do the above. This can be convenient with patterns like reducers (see https://github.com/microsoft/TypeScript/issues/46143 for an example).

comment by arxanas · 2021-11-03 · in TypeScript: Control flow analysis for destructured discriminated unions

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TypeScript: Control flow analysis for destructured discriminated unions

story by tosh · 2021-11-03 · 107 comments

…in Minor updates [1]) [0]: https://devblogs.microsoft.com/typescript/announcing-typescr... [1]: https://github.com/microsoft/TypeScript/issues/14116#issueco...

comment by j1elo · 2021-10-13 · in Tricks I wish I knew when I learned TypeScript

…its history in [2]. [0] https://github.com/arcanis/typanion [1] https://github.com/jquense/yup [2] https://github.com/microsoft/TypeScript/issues/3628

comment by Etheryte · 2021-10-12 · in Tricks I wish I knew when I learned TypeScript

…, and ponder applications to just-slightly-too-powerful type theories. Or https://github.com/Microsoft/TypeScript/issues/14833 .

comment by jerf · 2021-10-01 · in Where do type systems come from? (2017)

…because it splits the TS community to those who write Deno and those who write regular TS. [1]: https://github.com/microsoft/TypeScript/issues/27481

comment by Ciantic · 2021-09-01 · in Deno Deploy Beta 2