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Use const in view_history.js

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Wojciech Maj 2019-12-22 18:15:48 +01:00
parent 6316b2a195
commit cf5af97b02
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GPG Key ID: 24A586806A31F908
1 changed files with 9 additions and 8 deletions
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17
web/view_history.js
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@ -12,6 +12,7 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* eslint no-var: error, prefer-const: error */
const DEFAULT_VIEW_HISTORY_CACHE_SIZE = 20;
@ -30,7 +31,7 @@ class ViewHistory {
this.cacheSize = cacheSize;
this._initializedPromise = this._readFromStorage().then((databaseStr) => {
let database = JSON.parse(databaseStr || '{}');
const database = JSON.parse(databaseStr || '{}');
if (!('files' in database)) {
database.files = [];
} else {
@ -40,7 +41,7 @@ class ViewHistory {
}
let index = -1;
for (let i = 0, length = database.files.length; i < length; i++) {
let branch = database.files[i];
const branch = database.files[i];
if (branch.fingerprint === this.fingerprint) {
index = i;
break;
@ -55,7 +56,7 @@ class ViewHistory {
}
async _writeToStorage() {
let databaseStr = JSON.stringify(this.database);
const databaseStr = JSON.stringify(this.database);
if (typeof PDFJSDev !== 'undefined' &&
PDFJSDev.test('FIREFOX || MOZCENTRAL')) {
@ -81,7 +82,7 @@ class ViewHistory {
async setMultiple(properties) {
await this._initializedPromise;
for (let name in properties) {
for (const name in properties) {
this.file[name] = properties[name];
}
return this._writeToStorage();
@ -89,16 +90,16 @@ class ViewHistory {
async get(name, defaultValue) {
await this._initializedPromise;
let val = this.file[name];
const val = this.file[name];
return val !== undefined ? val : defaultValue;
}
async getMultiple(properties) {
await this._initializedPromise;
let values = Object.create(null);
const values = Object.create(null);
for (let name in properties) {
let val = this.file[name];
for (const name in properties) {
const val = this.file[name];
values[name] = val !== undefined ? val : properties[name];
}
return values;