@neo-one/monitor/createTracer.js

NEO•ONE monitoring.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const tslib_1 = require("tslib");
const opentracing = tslib_1.__importStar(require("opentracing"));
exports.createTracer = (tracer = new opentracing.Tracer()) => {
    const getSpan = (span) => {
        if (span.context != undefined) {
            return span.context();
        }
        return span;
    };
    return {
        startSpan: (name, options) => tracer.startSpan(name, options),
        childOf: (span) => opentracing.childOf(getSpan(span)),
        followsFrom: (span) => opentracing.followsFrom(getSpan(span)),
        extract: (format, carrier) => {
            const result = tracer.extract(format, carrier);
            return result == undefined ? undefined : result;
        },
        inject: (context, format, carrier) => tracer.inject(context, format, carrier),
        close: (callback) => {
            if (tracer.close == undefined) {
                callback();
            }
            else {
                tracer.close(callback);
            }
        },
    };
};

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