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improve handling of error condition: see https://github.com/gorhill/uBlock/issues/2985#issuecomment-330076141

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gorhill 2017-09-21 08:59:40 -04:00
parent 0130e2b462
commit a264975c9c
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GPG Key ID: 25E1490B761470C2
1 changed files with 14 additions and 6 deletions
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20
platform/webext/vapi-cachestorage.js
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@ -112,13 +112,13 @@ vAPI.cacheStorage = (function() {
var req = indexedDB.open(STORAGE_NAME, 1);
req.onupgradeneeded = function(ev) {
db = ev.target.result;
db.onerror = genericErrorHandler;
db.onerror = db.onabort = genericErrorHandler;
var table = db.createObjectStore(STORAGE_NAME, { keyPath: 'key' });
table.createIndex('value', 'value', { unique: false });
};
req.onsuccess = function(ev) {
db = ev.target.result;
db.onerror = genericErrorHandler;
db.onerror = db.onabort = genericErrorHandler;
processPendings();
};
req.onerror = function() {
@ -141,7 +141,9 @@ vAPI.cacheStorage = (function() {
getDb(function(db) {
if ( !db ) { return callback(); }
var transaction = db.transaction(STORAGE_NAME);
transaction.oncomplete = transaction.onerror = function() {
transaction.oncomplete =
transaction.onerror =
transaction.onabort = function() {
// TODO: remove once storage.local is clean
if ( notfoundKeys.size === 0 ) {
vAPI.storage.remove(keys);
@ -199,7 +201,9 @@ vAPI.cacheStorage = (function() {
if ( !db ) { return callback(); }
var output = {};
var transaction = db.transaction(STORAGE_NAME);
transaction.oncomplete = transaction.onerror = function() {
transaction.oncomplete =
transaction.onerror =
transaction.onabort = function() {
callback(output);
};
var table = transaction.objectStore(STORAGE_NAME),
@ -222,7 +226,9 @@ vAPI.cacheStorage = (function() {
getDb(function(db) {
if ( !db ) { return callback(); }
var transaction = db.transaction(STORAGE_NAME, 'readwrite');
transaction.oncomplete = transaction.onerror = callback;
transaction.oncomplete =
transaction.onerror =
transaction.onabort = callback;
var table = transaction.objectStore(STORAGE_NAME),
entry = {};
for ( var key of keys ) {
@ -242,7 +248,9 @@ vAPI.cacheStorage = (function() {
getDb(function(db) {
if ( !db ) { return callback(); }
var transaction = db.transaction(STORAGE_NAME, 'readwrite');
transaction.oncomplete = transaction.onerror = callback;
transaction.oncomplete =
transaction.onerror =
transaction.onabort = callback;
var table = transaction.objectStore(STORAGE_NAME);
for ( var key of keys ) {
table.delete(key);