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@furystack/utils
Advanced tools
General utilities, forked from @furystack/utils
You can implement disposable resources and use them with a using() or usingAsync() syntax. Example:
class Resource implements IDisposable {
dispose() {
// cleanup logics
}
}
using(new Resource(), (resource) => {
// do something with the resource
})
usingAsync(new Resource(), async (resource) => {
// do something with the resource, allows awaiting promises
})
You can track value changes using with this simple Observable implementation.
Example:
const observableValue = new ObservableValue<number>(0)
const observer = observableValue.subscribe((newValue) => {
console.log('Value changed:', newValue)
})
// To update the value
observableValue.setValue(Math.random())
// if you want to dispose a single observer
observer[Symbol.dispose]()
// if you want to dispose the whole observableValue with all of its observers:
observableValue[Symbol.dispose]()
The class contains small helper methods for path transformation and manipulation.
Retrier is a utility that can keep trying an operation until it succeeds, times out or reach a specified retry limit.
const funcToRetry: () => Promise<boolean> = async () => {
const hasSucceeded = false
// ...
// custom logic
// ...
return hasSucceeded
}
const retrierSuccess = await Retrier.create(funcToRetry)
.setup({
Retries: 3,
RetryIntervalMs: 1,
timeoutMs: 1000,
})
.run()
Trace is an utility that can be used to track method calls, method returns and errors
const methodTracer: IDisposable = Trace.method({
object: myObjectInstance, // You can define an object constructor for static methods as well
method: myObjectInstance.method, // The method to be tracked
isAsync: true, // if you set to async, method finished will be *await*-ed
onCalled: (traceData) => {
console.log('Method called:', traceData)
},
onFinished: (traceData) => {
console.log('Method call finished:', traceData)
},
onError: (traceData) => {
console.log('Method throwed an error:', traceData)
},
})
// if you want to stop receiving events
methodTracer[Symbol.dispose]()
FAQs
General utilities
The npm package @furystack/utils receives a total of 44 weekly downloads. As such, @furystack/utils popularity was classified as not popular.
We found that @furystack/utils demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 0 open source maintainers collaborating on the project.
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