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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,58 @@ | ||
| export function useIndexedDb() { | ||
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| let db:any | ||
| let dbNamespace:any | ||
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| function setupDB(namespace: string) { | ||
| console.log("======") | ||
| return new Promise<any>(function (resolve, reject) { | ||
| if (namespace != dbNamespace) { | ||
| db = null; | ||
| } | ||
| dbNamespace = namespace; | ||
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| // If setupDB has already been run and the database was set up, no need to | ||
| // open the database again; just resolve and return! | ||
| if (db) { | ||
| resolve(db); | ||
| return; | ||
| } | ||
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| let dbName = namespace == '' ? 'myDatabase' : 'myDatabase_' + namespace; | ||
| let dbReq = indexedDB.open(dbName, 2); | ||
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| // Fires when the version of the database goes up, or the database is | ||
| // created for the first time | ||
| dbReq.onupgradeneeded = function (event:any) { | ||
| db = event.target!.result; | ||
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| // Create an object store named notes, or retrieve it if it already | ||
| // exists. Object stores in databases are where data are stored. | ||
| let notes; | ||
| if (!db.objectStoreNames.contains('notes')) { | ||
| notes = db.createObjectStore('notes', {autoIncrement: true}); | ||
| } else { | ||
| notes = dbReq.transaction!.objectStore('notes'); | ||
| } | ||
| } | ||
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| // Fires once the database is opened (and onupgradeneeded completes, if | ||
| // onupgradeneeded was called) | ||
| dbReq.onsuccess = function (event:any) { | ||
| // Set the db variable to our database so we can use it! | ||
| db = event.target!.result; | ||
| resolve(db); | ||
| } | ||
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| // Fires when we can't open the database | ||
| dbReq.onerror = function (event:any) { | ||
| reject(`error opening database ${event.target!.errorCode}`); | ||
| } | ||
| }); | ||
| } | ||
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| return { | ||
| setupDB | ||
| } | ||
| } |
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Submodule snapshots
updated
2 files
| +1 −1 | persistence/IndexedDbSnapshotPersistence.ts | |
| +1 −1 | services/SnapshotsService.ts |
Submodule tabsets
updated
10 files