Marc Mintel
5397309103
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41 lines
1.4 KiB
Plaintext
41 lines
1.4 KiB
Plaintext
/*
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* Copyright 2024 Google LLC
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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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const instanceMap = new WeakMap();
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/**
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* A function that accepts and identity object and a class object and returns
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* either a new instance of that class or an existing instance, if the
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* identity object was previously used.
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*/
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function initUnique(identityObj, ClassObj) {
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try {
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if (!instanceMap.get(identityObj)) {
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instanceMap.set(identityObj, new ClassObj());
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}
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return instanceMap.get(identityObj) ;
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} catch (e) {
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// --- START Sentry-custom code (try/catch wrapping) ---
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// Fix for cases where identityObj is not a valid key for WeakMap (sometimes a problem in Safari)
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// Just return a new instance without caching it in instanceMap
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return new ClassObj();
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}
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// --- END Sentry-custom code ---
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}
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export { initUnique };
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//# sourceMappingURL=initUnique.js.map
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