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shelving

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Toolkit for using data in JavaScript.

github.com/dhoulb/shelving

dhoulb/shelving

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import type { Class } from "./class.js"; /** Something that has a source of a specified type. */ export interface Sourceable<T> { readonly source: T; } /** Recurse through `Sourceable` objects and return the first one that is an instance of `type`, or `undefined` if no source object matches. */ export declare function getSource<T>(type: Class<T>, value: unknown): T | undefined; /** Recurse through `Sourceable` objects and return the first one that is an instance of `type`, or throw `RequiredError` if no source object matches. */ export declare function requireSource<T>(type: Class<T>, data: unknown): T;