jochen
096c5562a4
state(name) / stdio.State(name): get, put, delete, keys and watch over the runtime's mesh/state verbs. A watch's handler is registered under the id it is asked with, so its current values — which arrive before the watch is answered — and its changes reach it and no other watch.
19 lines
1.0 KiB
JavaScript
19 lines
1.0 KiB
JavaScript
// A launched bundle that keeps state through its runtime (novox/hq ADR 0201): it watches its servers as
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// it is imported, before it says what it serves, and its tools write, read and list them.
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import { state } from "../../dist/state/index.js";
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import { registerModuleTools } from "../../dist/tools/index.js";
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import { serveRegisteredOverStdio } from "../../dist/stdio/index.js";
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const servers = state("servers");
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await servers.watch((c) => {
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process.stderr.write(`${c.current ? "was" : "now"} ${c.op} ${c.key} ${JSON.stringify(c.value ?? null)}\n`);
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if (c.value && c.value.fail) throw new Error("not this one");
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});
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process.stderr.write("watching\n");
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registerModuleTools("keeper", () => [
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{ name: "remember", description: "put", input: {}, run: async (a) => servers.put(a.key, a.value) },
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{ name: "recall", description: "get", input: {}, run: async (a) => servers.get(a.key) },
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{ name: "list", description: "keys", input: {}, run: async () => state("licence-manager.bindings").keys() },
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]);
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await serveRegisteredOverStdio();
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