createResource like api for push based source

💙Beginner

Solid API

createResource

createResource

works for async values that are resolved once, like a promise, or multiple times with retrigger mechanism (pull based). However, I am looking for an abstraction that supports multiple updates/resolutions like an observer or something similar (push based)

Assume a

subscribe

subscribe

function that calls

onUpdate

onUpdate

whenever an updated value is available or

onError

onError

in case of errors. It returns an unsubscribe function

()=>void

()=>void

that can be used for cleanup.

    subscribe: (
        onUpdate: (value: T) => void,
        onError?: (err: unknown) => void
    ) => () => void

    subscribe: (
        onUpdate: (value: T) => void,
        onError?: (err: unknown) => void
    ) => () => void

Is there an existing primitive that I can use? It should support reactive params (signals).

Example: imagine a stock ticker kind of API, the input signal can be a ticker (and more params), but I could keep on getting updates forever without having to retrigger.

SolidJS•2mo ago•

6 replies

kdabir

createResource like api for push based source

💙Beginner

Solid API

createResource

createResource

subscribe

subscribe

function that calls

onUpdate

onUpdate

whenever an updated value is available or

onError

onError

in case of errors. It returns an unsubscribe function

()=>void

()=>void

that can be used for cleanup.

    subscribe: (
        onUpdate: (value: T) => void,
        onError?: (err: unknown) => void
    ) => () => void

    subscribe: (
        onUpdate: (value: T) => void,
        onError?: (err: unknown) => void
    ) => () => void

createResource like api for push based source

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