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Улучшил работу с localForage, теперь вроде не тормозит

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This commit is contained in:
Book Pauk
2019-01-22 05:50:34 +07:00
parent c696a0d906
commit 1c87dfc4d7
1 changed files with 17 additions and 8 deletions
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25
client/components/Reader/share/bookManager.js
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@@ -5,17 +5,26 @@ import BookParser from './BookParser';
const maxDataSize = 100*1024*1024;//chars, not bytes const maxDataSize = 100*1024*1024;//chars, not bytes
const bmMetaStore = localForage.createInstance({
name: 'bmMetaStore'
});
const bmDataStore = localForage.createInstance({
name: 'bmDataStore'
});
class BookManager { class BookManager {
async init() { async init() {
this.books = {}; this.books = {};
const len = await localForage.length(); const len = await bmMetaStore.length();
for (let i = 0; i < len; i++) { for (let i = 0; i < len; i++) {
const key = await localForage.key(i); const key = await bmMetaStore.key(i);
const keySplit = key.split('-'); const keySplit = key.split('-');
if (keySplit.length == 2 && keySplit[0] == 'bmMeta') { if (keySplit.length == 2 && keySplit[0] == 'bmMeta') {
let meta = await localForage.getItem(key); let meta = await bmMetaStore.getItem(key);
this.books[meta.key] = meta; this.books[meta.key] = meta;
} }
@@ -58,8 +67,8 @@ class BookManager {
this.books[meta.key] = result; this.books[meta.key] = result;
await localForage.setItem(`bmMeta-${meta.key}`, this.metaOnly(result)); await bmMetaStore.setItem(`bmMeta-${meta.key}`, this.metaOnly(result));
await localForage.setItem(`bmData-${meta.key}`, result.data); await bmDataStore.setItem(`bmData-${meta.key}`, result.data);
return result; return result;
} }
@@ -84,7 +93,7 @@ class BookManager {
result = this.books[meta.key]; result = this.books[meta.key];
if (result && !result.data) { if (result && !result.data) {
result.data = await localForage.getItem(`bmData-${meta.key}`); result.data = await bmDataStore.getItem(`bmData-${meta.key}`);
this.books[meta.key] = result; this.books[meta.key] = result;
} }
@@ -100,8 +109,8 @@ class BookManager {
if (!this.books) if (!this.books)
await this.init(); await this.init();
await localForage.removeItem(`bmMeta-${meta.key}`); await bmMetaStore.removeItem(`bmMeta-${meta.key}`);
await localForage.removeItem(`bmData-${meta.key}`); await bmDataStore.removeItem(`bmData-${meta.key}`);
delete this.books[meta.key]; delete this.books[meta.key];
} }