mirror of https://github.com/grafana/grafana.git
66 lines
1.6 KiB
TypeScript
66 lines
1.6 KiB
TypeScript
type StoreValue = string | number | boolean | null;
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export class Store {
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get(key: string) {
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return window.localStorage[key];
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}
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set(key: string, value: StoreValue) {
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window.localStorage[key] = value;
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}
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getBool(key: string, def: boolean): boolean {
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if (def !== void 0 && !this.exists(key)) {
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return def;
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}
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return window.localStorage[key] === 'true';
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}
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getObject<T = unknown>(key: string): T | undefined;
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getObject<T = unknown>(key: string, def: T): T;
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getObject<T = unknown>(key: string, def?: T) {
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let ret = def;
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if (this.exists(key)) {
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const json = window.localStorage[key];
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try {
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ret = JSON.parse(json);
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} catch (error) {
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console.error(`Error parsing store object: ${key}. Returning default: ${def}. [${error}]`);
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}
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}
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return ret;
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}
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/* Returns true when successfully stored, throws error if not successfully stored */
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setObject(key: string, value: unknown) {
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let json;
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try {
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json = JSON.stringify(value);
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} catch (error) {
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throw new Error(`Could not stringify object: ${key}. [${error}]`);
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}
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try {
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this.set(key, json);
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} catch (error) {
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// Likely hitting storage quota
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const errorToThrow = new Error(`Could not save item in localStorage: ${key}. [${error}]`);
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if (error instanceof Error) {
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errorToThrow.name = error.name;
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}
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throw errorToThrow;
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}
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return true;
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}
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exists(key: string) {
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return window.localStorage[key] !== void 0;
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}
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delete(key: string) {
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window.localStorage.removeItem(key);
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}
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}
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const store = new Store();
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export default store;
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