Marc Mintel
5397309103
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58 lines
2.4 KiB
Plaintext
58 lines
2.4 KiB
Plaintext
/*
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* Copyright The OpenTelemetry Authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import { _globalThis } from '../platform';
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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 = _globalThis;
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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 |