34 lines
698 B
TypeScript
34 lines
698 B
TypeScript
function idFactory(start = 1, step = 1, limit = 2 ** 32) {
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let id = start;
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return function nextId() {
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const nextId = id;
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id += step;
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if (id >= limit) id = start;
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return nextId;
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};
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}
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export interface StreamFileResponse {
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data?: Uint8Array;
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done: boolean;
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}
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const nextId = idFactory(1);
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const streams = new Map<number, AsyncIterable<Uint8Array>>();
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export function getStream(id: number): AsyncIterable<Uint8Array> | boolean {
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if (!streams.has(id)) {
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return false;
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}
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return streams.get(id) as AsyncIterable<Uint8Array>;
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}
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export function addStream(stream: AsyncIterable<Uint8Array>): number {
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const id = nextId();
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streams.set(id, stream);
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return id;
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}
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