proposal-do-expressions
coffeescript
| proposal-do-expressions | coffeescript | |
|---|---|---|
| 19 | 1 | |
| 1,066 | 4 | |
| 2.3% | - | |
| 0.0 | 2.0 | |
| about 3 years ago | 10 months ago | |
| HTML | CoffeeScript | |
| MIT License | MIT License |
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proposal-do-expressions
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TypeScript Is Surprisingly OK for Compilers
> no pattern matching/switch expressions
They're still waiting on the do expression proposal for that (https://github.com/tc39/proposal-do-expressions), which has been in the bikeshedding stage for the past five years.
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[AskJS] Opinions on using self executing functions as multi-line expressions.
At some point, it may be superseded by do blocks, but for now it's really your best bet.
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What is this called? { id ? <Dashboard/> : <Login/> } and can I make it check for multiple things like a switch case?
But there is a proposal for do-expression : https://github.com/tc39/proposal-do-expressions
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Using {Blocks} in Rust & Go for Fun & Profit
It's also the reason why do expressions are my most anticipated feature for JS.
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Pipe Operator (|>) For JavaScript
> They should repurpose `do` so that `do {}` (without the `while`) is an expression that you can put statements inside and return the last statement.
There's a proposal for precisely that. Unfortunately, only Stage 1 though.
https://github.com/tc39/proposal-do-expressions
- Is a single ternary operator inside the returned JSX acceptable?
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[AskJS] Is there ever a good use for loose blocks in JS?
It's one of the main reasons why I really want the do-expression propsal to work out, because then it would become:
- The TC39 Process
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[AskJS] What are still present issues in contemporary (2022) JavaScript?
Do blocks. Okay, this is actually a proposal so maybe someday. Basically blocks that can resolve to an expression.
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'The best thing we can do today to JavaScript is to retire it,' says JSON creator Douglas Crockford • DEVCLASS
Tomorrow, do expressions:
coffeescript
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HypeScript: Simplified TypeScript's type system in TypeScript's own type system
This already exists, see [1]. Development has a bit stalled, but afaik the author wants to keep pursuing it. There's even a Discord server for this kind of project, see also this GitHub thread [2] where CS+TS is being discussed in general. Alternatively, you can code in Coffee with JSDoc type annotations, yielding a near-TypeScript experience in both IDE and output, albeit the annotation syntax can be a bit annoying, ironically.
[1] https://github.com/edemaine/coffeescript/blob/typescript/tes...
What are some alternatives?
native-messaging-bash - Bash Native Messaging host.
Super-Template-Tetris - Tetris as a C++ Template Metaprogram
captureSystemAudio - Capture system audio ("What-U-Hear")
HypeScript - 🐬 A simplified implementation of TypeScript's type system written in TypeScript's type system
proposal-pipeline-operator - A proposal for adding a useful pipe operator to JavaScript.
proposal-slice-notation
proposal-upsert - ECMAScript Proposal, specs, and reference implementation for Map.prototype.upsert
oni2 - Native, lightweight modal code editor
caya - a tiny useful simple language experiment
ts-sql - A SQL database implemented purely in TypeScript type annotations.
proposal-pattern-matching - Pattern matching syntax for ECMAScript
proposal-array-equality - Determining Array Equality