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bugfix (indexedDB): flushing a non existing db would throw a critical error ... #97

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Mickael Kerjean
2018-08-07 10:19:24 +10:00
parent 526bc3142d
commit 696b852186
2 changed files with 14 additions and 6 deletions
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18
client/helpers/cache.js
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@ -7,9 +7,11 @@ function Data(){
this._init(); this._init();
} }
const DB_VERSION = 2;
Data.prototype._init = function(){ Data.prototype._init = function(){
const request = indexedDB.open('nuage', 2); const request = indexedDB.open('nuage', DB_VERSION);
request.onupgradeneeded = (e) => this._setup(e.target.result); request.onupgradeneeded = (e) => this._setup(e);
this.db = new Promise((done, err) => { this.db = new Promise((done, err) => {
request.onsuccess = (e) => { request.onsuccess = (e) => {
@ -21,10 +23,16 @@ Data.prototype._init = function(){
}); });
} }
Data.prototype._setup = function(db){ Data.prototype._setup = function(e){
let store; let store;
db.deleteObjectStore(this.FILE_PATH); let db = e.target.result;
db.deleteObjectStore(this.FILE_CONTENT);
if(e.oldVersion == 1){
// we've change the schema on v2 adding an index, let's flush
// to make sure everything will be fine
db.deleteObjectStore(this.FILE_PATH);
db.deleteObjectStore(this.FILE_CONTENT);
}
store = db.createObjectStore(this.FILE_PATH, {keyPath: "path"}); store = db.createObjectStore(this.FILE_PATH, {keyPath: "path"});
store.createIndex("idx_path", "path", { unique: true }); store.createIndex("idx_path", "path", { unique: true });

2
client/pages/filespage.js
View File

@ -124,7 +124,7 @@ export class FilesPage extends React.Component {
this.observers.push(observer); this.observers.push(observer);
this.setState({error: null}); this.setState({error: null});
if(path === "/"){ if(path === "/"){
Files.frequents().then((s) => console.log(s) && this.setState({frequents: s})); Files.frequents().then((s) => this.setState({frequents: s}));
} }
} }