54 lines
2.1 KiB
JavaScript
54 lines
2.1 KiB
JavaScript
/*
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* Copyright The OpenTelemetry Authors
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* SPDX-License-Identifier: Apache-2.0
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*/
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import { VERSION } from '../version';
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import { isCompatible } from './semver';
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const major = VERSION.split('.')[0];
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const GLOBAL_OPENTELEMETRY_API_KEY = Symbol.for(`opentelemetry.js.api.${major}`);
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const _global = (typeof globalThis === 'object'
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? globalThis
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: typeof self === 'object'
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? self
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: typeof window === 'object'
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? window
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: typeof global === 'object'
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? global
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: {});
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export function registerGlobal(type, instance, diag, allowOverride = false) {
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var _a;
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const api = (_global[GLOBAL_OPENTELEMETRY_API_KEY] = (_a = _global[GLOBAL_OPENTELEMETRY_API_KEY]) !== null && _a !== void 0 ? _a : {
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version: VERSION,
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});
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if (!allowOverride && api[type]) {
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// already registered an API of this type
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const err = new Error(`@opentelemetry/api: Attempted duplicate registration of API: ${type}`);
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diag.error(err.stack || err.message);
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return false;
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}
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if (api.version !== VERSION) {
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// All registered APIs must be of the same version exactly
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const err = new Error(`@opentelemetry/api: Registration of version v${api.version} for ${type} does not match previously registered API v${VERSION}`);
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diag.error(err.stack || err.message);
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return false;
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}
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api[type] = instance;
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diag.debug(`@opentelemetry/api: Registered a global for ${type} v${VERSION}.`);
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return true;
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}
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export function getGlobal(type) {
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var _a, _b;
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const globalVersion = (_a = _global[GLOBAL_OPENTELEMETRY_API_KEY]) === null || _a === void 0 ? void 0 : _a.version;
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if (!globalVersion || !isCompatible(globalVersion)) {
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return;
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}
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return (_b = _global[GLOBAL_OPENTELEMETRY_API_KEY]) === null || _b === void 0 ? void 0 : _b[type];
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}
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export function unregisterGlobal(type, diag) {
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diag.debug(`@opentelemetry/api: Unregistering a global for ${type} v${VERSION}.`);
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const api = _global[GLOBAL_OPENTELEMETRY_API_KEY];
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if (api) {
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delete api[type];
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}
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}
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//# sourceMappingURL=global-utils.js.map
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