// probe.gl, MIT license
function getStorage(type) {
    try {
        const storage = window[type];
        const x = '__storage_test__';
        storage.setItem(x, x);
        storage.removeItem(x);
        return storage;
    }
    catch (e) {
        return null;
    }
}
// Store keys in local storage via simple interface
export class LocalStorage {
    constructor(id, defaultConfig, type = 'sessionStorage') {
        this.storage = getStorage(type);
        this.id = id;
        this.config = defaultConfig;
        this._loadConfiguration();
    }
    getConfiguration() {
        return this.config;
    }
    setConfiguration(configuration) {
        Object.assign(this.config, configuration);
        if (this.storage) {
            const serialized = JSON.stringify(this.config);
            this.storage.setItem(this.id, serialized);
        }
    }
    // Get config from persistent store, if available
    _loadConfiguration() {
        let configuration = {};
        if (this.storage) {
            const serializedConfiguration = this.storage.getItem(this.id);
            configuration = serializedConfiguration ? JSON.parse(serializedConfiguration) : {};
        }
        Object.assign(this.config, configuration);
        return this;
    }
}