An opentracing implementation for zipkin. 

dschmidt

zipkin-javascript-opentracing

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function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

    BatchRecorder = _require.BatchRecorder,

    ExplicitContext = _require.ExplicitContext,

var _require2 = require("zipkin-transport-http"),

var availableTags = require("opentracing").Tags;

    FORMAT_BINARY = _require3.FORMAT_BINARY,

    FORMAT_TEXT_MAP = _require3.FORMAT_TEXT_MAP,

    FORMAT_HTTP_HEADERS = _require3.FORMAT_HTTP_HEADERS;

  local: Annotation.ClientSend, // waiting for local PR in zipkin to get merged

  local: Annotation.ClientAddr, // waiting for local PR in zipkin to get merged

  local: Annotation.ClientRecv, // waiting for local PR in zipkin to get merged

// copied from https://github.com/openzipkin/zipkin-js/blob/08f86b63a5fd7ded60762f537be1845ede588ffa/packages/zipkin/src/tracer/randomTraceId.js

  // === Generate a random 64-bit number in fixed-length hex format

    var rand = Math.floor(Math.random() * 16);

  if (val && typeof val.toString === "function" && (val.toString().indexOf("Some") !== -1 || val.toString().indexOf("None") !== -1)) {

      value: function _constructedFromOutside(options) {

        return typeof options.traceId === "object" && typeof options.traceId.spanId === "string";

      value: function _getTraceId(options) {

        if (this._constructedFromOutside(options)) {

          var _options$traceId = options.traceId,

          toSpanId: function toSpanId() {

          toTraceId: function toTraceId() {

          tracer.recordAnnotation(new finishSpanAnnotation[kind]());

    var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};

    // serviceName: the name of the service monitored with this tracer

    if (typeof options.serviceName !== "string") {

      throw new Error("serviceName option needs to be provided");

    if (typeof options.recorder !== "object") {

      if (typeof options.endpoint !== "string") {

        throw new Error("recorder or endpoint option needs to be provided");

      if (options.endpoint.indexOf("http") === -1) {

        throw new Error("endpoint value needs to start with http:// or https://");

      options.recorder = new BatchRecorder({

          endpoint: options.endpoint + "/api/v2/spans",

    if (options.kind !== "client" && options.kind !== "server" && options.kind !== "local") {

      throw new Error('kind option needs to be provided as either "local", "client" or "server"');

    options.sampler = options.sampler || new sampler.Sampler(sampler.alwaysSample);

    this._serviceName = options.serviceName;

      var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};

        throw new Error("startSpan needs an operation name as string as first argument.\n                For more details, please see https://github.com/opentracing/specification/blob/master/specification.md#start-a-new-span");

      return new this._Span(name, options);

    value: function inject(span, format, carrier) {

        throw new Error("inject called without a span");

      if (format !== Tracing.FORMAT_HTTP_HEADERS) {

        throw new Error("inject called with unsupported format");

        throw new Error("inject called without a carrier object");

      carrier[HttpHeaders.TraceId] = span.id.traceId;

      carrier[HttpHeaders.SpanId] = span.id.spanId;

      carrier[HttpHeaders.ParentSpanId] = span.id.parentId;

      carrier[HttpHeaders.Sampled] = span.id.sampled.getOrElse("0");

    value: function extract(format, carrier) {

        throw new Error("extract called with unsupported format");

  "name": "zipkin-javascript-opentracing",

  "description": "An opentracing implementation for zipkin",

    "build": "babel src -d lib && rm -r lib/__tests__",

    "example:basic": "node example/basic/index.js",

    "example:advanced": "node example/advanced/index.js",

    "dev-example:basic": "nodemon example/basic/index.js",

    "dev-example:advanced": "nodemon example/advanced/index.js",

    "fmt": "prettier '**/*.{js,json,css,md}' --write"

    "url": "git+ssh://git@github.com/DanielMSchmidt/zipkin-javascript-opentracing.git"

    "url": "https://github.com/DanielMSchmidt/zipkin-javascript-opentracing/issues"

  "homepage": "https://github.com/DanielMSchmidt/zipkin-javascript-opentracing#readme",

		@@ -205,2 +205,18 @@ "use strict";
		}, {
		key: "context",
		value: function context() {
		var _id = this.id,
		spanId = _id.spanId,
		traceId = _id.traceId;

		return {
		toSpanId: function toSpanId() {
		return spanId;
		},
		toTraceId: function toTraceId() {
		return traceId;
		}
		};
		}
		}, {
		key: "finish",
		@@ -207,0 +223,0 @@ value: function finish() {

		{
		"name": "zipkin-javascript-opentracing",
		"version": "2.0.1",
		"version": "2.1.0",
		"description": "An opentracing implementation for zipkin",
		@@ -5,0 +5,0 @@ "main": "lib/index.js",

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