forked from open-telemetry/opentelemetry-js
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index.js
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index.js
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'use strict';
import { context, trace } from '@opentelemetry/api';
import { ConsoleSpanExporter, SimpleSpanProcessor } from '@opentelemetry/sdk-trace-base';
import { OTLPTraceExporter } from '@opentelemetry/exporter-otlp-http';
import { WebTracerProvider } from '@opentelemetry/sdk-trace-web';
import { FetchInstrumentation } from '@opentelemetry/instrumentation-fetch';
import { ZoneContextManager } from '@opentelemetry/context-zone';
import { B3Propagator } from '@opentelemetry/propagator-b3';
import { registerInstrumentations } from '@opentelemetry/instrumentation';
const provider = new WebTracerProvider();
provider.addSpanProcessor(new SimpleSpanProcessor(new ConsoleSpanExporter()));
provider.addSpanProcessor(new SimpleSpanProcessor(new OTLPTraceExporter()));
provider.register({
contextManager: new ZoneContextManager(),
propagator: new B3Propagator(),
});
registerInstrumentations({
instrumentations: [
new FetchInstrumentation({
ignoreUrls: [/localhost:8090\/sockjs-node/],
propagateTraceHeaderCorsUrls: [
'https://cors-test.appspot.com/test',
'https://httpbin.org/get',
],
clearTimingResources: true,
}),
],
});
const webTracerWithZone = provider.getTracer('example-tracer-web');
const getData = (url) => fetch(url, {
method: 'GET',
headers: {
'Accept': 'application/json',
'Content-Type': 'application/json',
},
});
// example of keeping track of context between async operations
const prepareClickEvent = () => {
const url = 'https://httpbin.org/get';
const element = document.getElementById('button1');
const onClick = () => {
const singleSpan = webTracerWithZone.startSpan(`files-series-info`);
context.with(trace.setSpan(context.active(), singleSpan), () => {
getData(url).then((_data) => {
trace.getSpan(context.active()).addEvent('fetching-single-span-completed');
singleSpan.end();
});
});
for (let i = 0, j = 5; i < j; i += 1) {
const span = webTracerWithZone.startSpan(`files-series-info-${i}`);
context.with(trace.setSpan(context.active(), span), () => {
getData(url).then((_data) => {
trace.getSpan(context.active()).addEvent(`fetching-span-${i}-completed`);
span.end();
});
});
}
};
element.addEventListener('click', onClick);
};
window.addEventListener('load', prepareClickEvent);