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fix: prevent multiple instances of the tracer provider #545

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fix: prevent multiple instances of the tracer provider #545

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291827e
fix: prevent multiple instances of the tracer provider
mrstork Nov 26, 2025
4b024a4
fix: fetch property directly
mrstork Nov 26, 2025
1a6ab90
Merge branch 'main' into prevent-multiple-otel
mrstork Nov 26, 2025
a71f912
fix: typo in import
mrstork Nov 26, 2025
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6 changes: 5 additions & 1 deletion packages/otel/src/bootstrap/main.ts
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Original file line number Diff line number Diff line change
@@ -1,3 +1,5 @@
import process from 'node:process'

import { trace } from '@opentelemetry/api'
import { SugaredTracer } from '@opentelemetry/api/experimental'
import { Resource } from '@opentelemetry/resources'
Expand All @@ -8,7 +10,6 @@ import { NodeTracerProvider, SimpleSpanProcessor, type SpanProcessor } from '@op
import { GET_TRACER, SHUTDOWN_TRACERS } from '../constants.js'
import { NetlifySpanExporter } from '../exporters/netlify.js'
import packageJson from '../../package.json' with { type: 'json' }
import process from 'node:process'

export interface TracerProviderOptions {
serviceName: string
Expand All @@ -22,6 +23,9 @@ export interface TracerProviderOptions {
}

export const createTracerProvider = (options: TracerProviderOptions) => {
// Prevent multiple tracers from being created
if (Object.prototype.hasOwnProperty.call(globalThis, GET_TRACER)) return

// remove the v prefix from the version to match the spec
const runtimeVersion = process.version.slice(1)

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5 changes: 3 additions & 2 deletions packages/otel/src/main.ts
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Original file line number Diff line number Diff line change
@@ -1,6 +1,7 @@
import { type SugaredSpanOptions, type SugaredTracer } from '@opentelemetry/api/experimental'
import { GET_TRACER, SHUTDOWN_TRACERS } from './constants.js'
import type { Context, Span } from '@opentelemetry/api'
import type { SugaredSpanOptions, SugaredTracer } from '@opentelemetry/api/experimental'

import { GET_TRACER, SHUTDOWN_TRACERS } from './constants.js'

type GlobalThisExtended = typeof globalThis & {
[GET_TRACER]?: (name?: string, version?: string) => SugaredTracer | undefined
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