68 lines
2.0 KiB
JavaScript
68 lines
2.0 KiB
JavaScript
import { createRequiredError, defineDriver, normalizeKey } from "./utils/index.mjs";
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const DRIVER_NAME = "localstorage";
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export default defineDriver((opts = {}) => {
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const storage = opts.storage || opts.localStorage || opts.sessionStorage || (opts.window || globalThis.window)?.[opts.windowKey || "localStorage"];
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if (!storage) {
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throw createRequiredError(DRIVER_NAME, "localStorage");
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}
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const base = opts.base ? normalizeKey(opts.base) : "";
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const r = (key) => (base ? `${base}:` : "") + key;
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let _storageListener;
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const _unwatch = () => {
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if (_storageListener) {
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opts.window?.removeEventListener("storage", _storageListener);
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}
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_storageListener = void 0;
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};
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return {
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name: DRIVER_NAME,
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options: opts,
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getInstance: () => storage,
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hasItem(key) {
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return Object.prototype.hasOwnProperty.call(storage, r(key));
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},
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getItem(key) {
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return storage.getItem(r(key));
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},
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setItem(key, value) {
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return storage.setItem(r(key), value);
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},
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removeItem(key) {
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return storage.removeItem(r(key));
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},
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getKeys() {
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const allKeys = Object.keys(storage);
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return base ? allKeys.filter((key) => key.startsWith(`${base}:`)).map((key) => key.slice(base.length + 1)) : allKeys;
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},
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clear(prefix) {
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const _base = [base, prefix].filter(Boolean).join(":");
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if (_base) {
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for (const key of Object.keys(storage)) {
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if (key.startsWith(`${_base}:`)) {
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storage?.removeItem(key);
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}
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}
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} else {
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storage.clear();
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}
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},
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dispose() {
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if (opts.window && _storageListener) {
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opts.window.removeEventListener("storage", _storageListener);
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}
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},
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watch(callback) {
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if (!opts.window) {
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return _unwatch;
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}
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_storageListener = (ev) => {
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if (ev.key) {
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callback(ev.newValue ? "update" : "remove", ev.key);
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}
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};
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opts.window.addEventListener("storage", _storageListener);
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return _unwatch;
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}
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};
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});
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