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The id path segment is the lock ID - choose your own.
https://dlock.univalent.net/lock/arbitrary-string/acquire?ttl=60
{"lease":1,"deadline":1655572186}
https://dlock.univalent.net/lock/01899dc0-2742-44f9-9c7b-01830851b299/acquire?ttl=60
{"error":"lock is acquired by another client","deadline":1655572186}
https://dlock.univalent.net/lock/01899dc0-2742-44f9-9c7b-01830851b299/acquire?ttl=60&lease=1
{"lease":1,"deadline":1655572824}
https://dlock.univalent.net/lock/01899dc0-2742-44f9-9c7b-01830851b299/release?lease=42
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import { searchParams } from "https://esm.town/v/stevekrouse/searchParams";
import { fetchJSON } from "https://esm.town/v/stevekrouse/fetchJSON";
import { parentReference } from "https://esm.town/v/stevekrouse/parentReference";
export async function dlock({ id, ttl, release, lease }: {
id?: string;
ttl?: number;
release?: boolean;
lease?: number;
} = {}): Promise<{
lease?: number;
deadline: number;
error?: "string";
}> {
id = id ??
parentReference().userHandle + "-" +
parentReference().valName;
ttl = ttl ?? 3; // seconds
let method = release ? "release" : "acquire";
return fetchJSON(
`https://dlock.univalent.net/lock/${id}/${method}?${
searchParams({ ttl, lease })
}`,
);
}
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