@kitten-science/kitten-analysts/lib/metrics/factory.js

Kitten Analysts

import { isNil, mustExist } from "@oliversalzburg/js-utils/data/nil.js";
import { Gauge } from "prom-client";
export const gaugeFactory = (instructions) => new Gauge({
    help: instructions.help,
    name: instructions.name,
    labelNames: instructions.labelNames,
    async collect() {
        if (!instructions.cache.has(instructions.require)) {
            instructions.cache.set(instructions.require, instructions.remote.sendMessage({ type: instructions.require }));
        }
        const response = await instructions.cache.get(instructions.require);
        if (isNil(response)) {
            return;
        }
        for (const clientResponse of response) {
            if (clientResponse === null) {
                continue;
            }
            for (const entity of mustExist(clientResponse.data)) {
                instructions.extract(clientResponse.client_type, clientResponse.guid, clientResponse.location, entity, this);
            }
        }
    },
});
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