one
Version:
One is a React framework for web, iOS, and Android apps.
54 lines (51 loc) • 1.57 kB
JavaScript
import { assertOpen, requireKey, requireName, requireValue } from "./keyValueValidate.mjs";
function storagePrefix(name) {
return `One.Database.kv|${name}|`;
}
function openKeyValue(options) {
const name = requireName(options?.name);
if (typeof localStorage === "undefined") {
throw new Error("Database.openKeyValue requires localStorage in this runtime");
}
const prefix = storagePrefix(name);
let closed = false;
function matchingKeys() {
const keys = [];
for (let index = 0; index < localStorage.length; index++) {
const stored = localStorage.key(index);
if (stored?.startsWith(prefix)) keys.push(stored);
}
return keys;
}
return Object.freeze({
getItem(key) {
assertOpen("Database.getItem", closed);
requireKey("Database.getItem", key);
return localStorage.getItem(prefix + key);
},
setItem(key, value) {
assertOpen("Database.setItem", closed);
requireKey("Database.setItem", key);
requireValue("Database.setItem", value);
localStorage.setItem(prefix + key, value);
},
removeItem(key) {
assertOpen("Database.removeItem", closed);
requireKey("Database.removeItem", key);
localStorage.removeItem(prefix + key);
},
getAllKeys() {
assertOpen("Database.getAllKeys", closed);
return matchingKeys().map((stored) => stored.slice(prefix.length)).sort();
},
clear() {
assertOpen("Database.clear", closed);
for (const stored of matchingKeys()) localStorage.removeItem(stored);
},
close() {
closed = true;
}
});
}
export { openKeyValue };
//# sourceMappingURL=keyValue.mjs.map