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swiftwasm/OpenCombineJS 0.2.0
OpenCombine helpers for JavaScriptKit/WebAssembly APIs
⭐️ 31
🕓 2 years ago
.package(url: "https://github.com/swiftwasm/OpenCombineJS.git", from: "0.2.0")


OpenCombine helpers for JavaScriptKit/WebAssembly APIs. Currently it provides:


Here's an example of a timer that fetches a UUID from a remote server every second, parses it with JSValueDecoder, and then displays the result as text:

import JavaScriptKit
import OpenCombine
import OpenCombineJS

private let jsFetch = JSObject.global.fetch.function!
func fetch(_ url: String) -> JSPromise {

let document = JSObject.global.document
var p = document.createElement("p")
_ = document.body.appendChild(p)

var subscription: AnyCancellable?

let timer = JSTimer(millisecondsDelay: 1000, isRepeating: true) {
  subscription = fetch("https://httpbin.org/uuid")
    .flatMap {
    .mapError { $0 as Error }
    .map { Result<String, Error>.success($0.uuid.string!) }
    .catch { Just(.failure($0)) }
    .sink {
      let time = JSDate().toLocaleTimeString()
      switch $0 {
      case let .success(uuid):
        p.innerText = .string("At \(time) received uuid \(uuid)")
      case let .failure(error):
        p.innerText = .string("At \(time) received error \(error)")

Code of Conduct

This project adheres to the Contributor Covenant Code of Conduct. By participating, you are expected to uphold this code. Please report unacceptable behavior to [email protected].


Stars: 31
Last commit: 1 year ago
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Release Notes

2 years ago

This release updates dependencies on OpenCombine and JavaScriptKit to their 0.13.0 versions.

Swiftpack is being maintained by Petr Pavlik | @ptrpavlik | @swiftpackco | API | Analytics