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import type { PlaceholderRenderer, SubstitutionRenderer } from "./types.ts";
/** * Enable deferral of slow async components. * * Any async component that takes longer than the given timeout will be deferred, * and replaced with a placeholder in the stream. * The component will eventually be rendered at the end of the stream in a block of * Javascript that replaces the placeholder in the browser. * * Setting this to falsy will disable deferral. */export function setDeferredTimeout(timeoutMs?: number | false) {  _deferredTimeout = asSafeInteger(timeoutMs);}
/** * Provide a custom deferred placeholder rendering function. */export function setDeferredPlaceholder(fn?: PlaceholderRenderer) {  _deferredPlaceholder = typeof fn === "function" ? fn : undefined;}
/** * Provide a custom function to render the substitution of a deferred stream. */export function setDeferredSubstitution(fn?: SubstitutionRenderer) {  _deferredSubstitution = typeof fn === "function" ? fn : undefined;}
/** * Enable a delay during streaming. * * This allows you to see the actual effect of streaming whilst developing locally. */export function setStreamDelay(delay = 0) {  _streamDelay = asSafeInteger(delay);}
export let _deferredTimeout: number | false = false;export let _deferredPlaceholder: PlaceholderRenderer | undefined = undefined;export let _deferredSubstitution: SubstitutionRenderer | undefined = undefined;export let _streamDelay: number | false = false;
function asSafeInteger(value: unknown): number | false {  return typeof value === "number" && Number.isSafeInteger(value) && value > 0    ? value    : false;}