68 lines
1.5 KiB
JavaScript
68 lines
1.5 KiB
JavaScript
class Storage {
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get(keys = null) {
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return new Promise((res, rej) => {
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const returnSingle = typeof keys === 'string' || typeof keys === 'number';
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// resolve args = items:object
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chrome.storage[this.store].get(keys, (items) => {
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if(returnSingle) {
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res(items[keys]);
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} else {
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res(items);
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}
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});
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});
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}
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getBytesInUse(keys = null) {
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return new Promise((res, rej) => {
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// resolve args = bytesInUse:integer
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chrome.storage[this.store].getBytesInUse(keys, res);
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});
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}
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set(items) {
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return new Promise((res, rej) => {
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// resolve args = (none)
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chrome.storage[this.store].set(items, res);
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});
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}
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remove(keys) {
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// resolve args = (none)
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return new Promise((res, rej) => {
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chrome.storage[this.store].remove(keys, res);
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});
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}
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clear() {
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// resolve args = (none)
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return new Promise((res, rej) => {
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chrome.storage[this.store].clear(res);
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});
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}
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listen(item, onChange) {
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if(typeof item === 'function') {
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onChange = item;
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item = null;
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}
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chrome.storage.onChanged.addListener((changes, areaName) => {
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if(areaName === this.store) {
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if(item !== null) {
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if(changes.hasOwnProperty(item)) {
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const oldValue = changes[item].oldValue || null;
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const newValue = changes[item].newValue || null;
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onChange(oldValue, newValue);
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}
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} else {
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onChange(changes);
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}
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}
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});
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}
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}
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export default Storage;
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