50 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			TypeScript
		
	
	
			
		
		
	
	
			50 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			TypeScript
		
	
	
| /*
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| Copyright 2016-2022 The Matrix.org Foundation C.I.C.
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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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|     http://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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| 
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| export function cleanLocalstorage(): void {
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|     window.localStorage.clear();
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| }
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| 
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| export function deleteIndexedDB(dbName: string): Promise<void> {
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|     return new Promise<void>((resolve, reject) => {
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|         if (!window.indexedDB) {
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|             resolve();
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|             return;
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|         }
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| 
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|         const startTime = Date.now();
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|         console.log(`${startTime}: Removing indexeddb instance: ${dbName}`);
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|         const req = window.indexedDB.deleteDatabase(dbName);
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| 
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|         req.onblocked = (): void => {
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|             console.log(`${Date.now()}: can't yet delete indexeddb ${dbName} because it is open elsewhere`);
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|         };
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| 
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|         req.onerror = (ev): void => {
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|             reject(new Error(`${Date.now()}: unable to delete indexeddb ${dbName}: ${req.error}`));
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|         };
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| 
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|         req.onsuccess = (): void => {
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|             const now = Date.now();
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|             console.log(`${now}: Removed indexeddb instance: ${dbName} in ${now - startTime} ms`);
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|             resolve();
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|         };
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|     }).catch((e) => {
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|         console.error(`${Date.now()}: Error removing indexeddb instance ${dbName}: ${e}`);
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|         throw e;
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|     });
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| }
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