ecmascript-types VS simpatico

Compare ecmascript-types vs simpatico and see what are their differences.

ecmascript-types

ECMAScript Optional Static Typing Proposal http://sirisian.github.io/ecmascript-types/ (by sirisian)

simpatico

Simpatico is an umbrella term for several data-structures and algorithms written in JavaScript (by javajosh)
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ecmascript-types simpatico
1 2
451 7
- -
0.0 9.6
over 1 year ago 22 days ago
HTML JavaScript
- MIT License
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.

ecmascript-types

Posts with mentions or reviews of ecmascript-types. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2021-12-13.

simpatico

Posts with mentions or reviews of simpatico. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2023-05-03.
  • JavaScript import maps are now supported cross-browser
    14 projects | news.ycombinator.com | 3 May 2023
    >Does this mean that in theory i could skip the build/bundling step entirely?

    You can but you must write your app in something the browser understands (js not ts, css not sass etc) and use native modules. For example, here is the test harness for a custom module, written in pure html with no build step: https://github.com/javajosh/simpatico/blob/master/combine2.h.... Here is a more complex (and much older) example from Crockford: https://www.jslint.com/

    And yes, the experience developing this way is quite nice!

  • Deno Joins TC39
    20 projects | news.ycombinator.com | 13 Dec 2021
    *>...use types [at] runtime..."

    Two things. First, TS conceives of itself as having no runtime component. If it did, I think people (including the TS devs) would be more confused.

    Second, I'd say rather we need a runtime type system. In fact I've tried my hand at writing one in the most minimalist way possible, and have been working on it recently [1]. The type system is explicit in that a type is a JSON like object, similar to JSON schema, but 100x less code.

    [1] https://github.com/javajosh/simpatico/blob/master/friendly.h... This is effectively the test harness for the module.

What are some alternatives?

When comparing ecmascript-types and simpatico you can also consider the following projects:

proposal-pattern-matching - Pattern matching syntax for ECMAScript

proposal-resizablearraybuffer - Proposal for resizable array buffers

proposal-record-tuple - ECMAScript proposal for the Record and Tuple value types. | Stage 2: it will change!

zod - TypeScript-first schema validation with static type inference

TypeScript - TypeScript is a superset of JavaScript that compiles to clean JavaScript output.

proposal-do-expressions - Proposal for `do` expressions

proposal-change-array-by-copy - Provides additional methods on Array.prototype and TypedArray.prototype to enable changes on the array by returning a new copy of it with the change.

compression-dictionary-transport

download-esm - Download ESM modules from npm and jsdelivr

proposal-source-phase-imports - Proposal to enable importing modules at the source phase

quickjspp

proposal-import-assertions - Proposal for syntax to import ES modules with assertions [Moved to: https://github.com/tc39/proposal-import-attributes]