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Easy Local/Session Storage for JSON (w/ lodash)
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import { get as lget, set as lset, unset } from "lodash"; | |
export default function appStore( | |
init = null, | |
driver = "session", | |
appkey = "app" | |
) { | |
//set(appkey,init) | |
if (init) { | |
let store = {}; | |
lset(store, appkey, init); | |
store = JSON.stringify(store); | |
if (driver === "session") { | |
sessionStorage.setItem(appkey, store); | |
} else { | |
localStorage.setItem(appkey, store); | |
} | |
} | |
function parseJson(data) { | |
return data ? JSON.parse(data) : {}; | |
} | |
function set(key, value = null) { | |
if (driver === "session") { | |
let store = sessionStorage.getItem(appkey); | |
store = parseJson(store); | |
store = JSON.stringify( | |
value ? lset(store, [appkey, key], value) : lset(store, appkey, key) | |
); | |
sessionStorage.setItem(appkey, store); | |
} else { | |
let store = localStorage.getItem(appkey); | |
store = parseJson(store); | |
store = JSON.stringify( | |
value ? lset(store, [appkey, key], value) : lset(store, appkey, key) | |
); | |
localStorage.setItem(appkey, store); | |
} | |
} | |
function get(key = null, defaultValue = null) { | |
if (driver === "session") { | |
let store = sessionStorage.getItem(appkey); | |
store = parseJson(store); | |
return key ? lget(store, [appkey, key], defaultValue) : store[appkey]; | |
} else { | |
let store = localStorage.getItem(appkey); | |
store = parseJson(store); | |
return key ? lget(store, [appkey, key], defaultValue) : store[appkey]; | |
} | |
} | |
function del(key) { | |
if (driver === "session") { | |
let store = sessionStorage.getItem(appkey); | |
store = parseJson(store); | |
unset(store, [appkey, key]); | |
sessionStorage.removeItem(appkey); | |
sessionStorage.setItem(appkey, JSON.stringify(store)); | |
} else { | |
let store = localStorage.getItem(appkey); | |
store = parseJson(store); | |
unset(store, [appkey, key]); | |
localStorage.removeItem(appkey); | |
localStorage.setItem(appkey, JSON.stringify(store)); | |
} | |
} | |
return { | |
set, | |
get, | |
del, | |
parseJson, | |
}; | |
} |
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import store from "./store"; | |
beforeEach(() => { | |
sessionStorage.clear(); | |
localStorage.clear(); | |
}); | |
//session storage | |
test("Store value in session storage on init", () => { | |
let Appstore = new store({ | |
foo: "bar", | |
}); | |
expect(sessionStorage.getItem("app")).toBe( | |
JSON.stringify({ app: { foo: "bar" } }) | |
); | |
}); | |
test("Store value in session storage using set", () => { | |
let Appstore = new store(); | |
Appstore.set({ foo: "bar" }); | |
expect(sessionStorage.getItem("app")).toBe( | |
JSON.stringify({ app: { foo: "bar" } }) | |
); | |
}); | |
test("Store key-value in session storage using set", () => { | |
let Appstore = new store(); | |
Appstore.set("foo", "bar"); | |
expect(sessionStorage.getItem("app")).toBe( | |
JSON.stringify({ app: { foo: "bar" } }) | |
); | |
}); | |
test("Get value stored in session storage", () => { | |
let Appstore = new store({ | |
foo: "bar", | |
}); | |
expect(Appstore.get()).toMatchObject({ foo: "bar" }); | |
}); | |
test("Get key-value stored in session storage", () => { | |
let Appstore = new store({ | |
foo: "bar", | |
}); | |
expect(Appstore.get("foo")).toBe("bar"); | |
}); | |
test("Delete value stored from session storage", () => { | |
let Appstore = new store({ | |
foo: "bar", | |
}); | |
Appstore.del("foo"); | |
expect(sessionStorage.getItem("app")).toBe(JSON.stringify({ app: {} })); | |
}); | |
//local storage | |
test("Store value in local storage on init", () => { | |
let Appstore = new store( | |
{ | |
foo: "bar", | |
}, | |
"local" | |
); | |
expect(localStorage.getItem("app")).toBe( | |
JSON.stringify({ app: { foo: "bar" } }) | |
); | |
}); | |
test("Store value in session storage using set", () => { | |
let Appstore = new store({}, "local"); | |
Appstore.set({ foo: "bar" }); | |
expect(localStorage.getItem("app")).toBe( | |
JSON.stringify({ app: { foo: "bar" } }) | |
); | |
}); | |
test("Store key-value in local storage using set", () => { | |
let Appstore = new store({}, "local"); | |
Appstore.set("foo", "bar"); | |
expect(localStorage.getItem("app")).toBe( | |
JSON.stringify({ app: { foo: "bar" } }) | |
); | |
}); | |
test("Get value stored in session storage", () => { | |
let Appstore = new store( | |
{ | |
foo: "bar", | |
}, | |
"local" | |
); | |
expect(Appstore.get()).toMatchObject({ foo: "bar" }); | |
}); | |
test("Get key-value stored in local storage", () => { | |
let Appstore = new store( | |
{ | |
foo: "bar", | |
}, | |
"local" | |
); | |
expect(Appstore.get("foo")).toBe("bar"); | |
}); | |
test("Delete value stored from local storage", () => { | |
let Appstore = new store( | |
{ | |
foo: "bar", | |
}, | |
"local" | |
); | |
Appstore.del("foo"); | |
expect(localStorage.getItem("app")).toBe(JSON.stringify({ app: {} })); | |
}); | |
test("Json parse function with empty data return empty object", () => { | |
let Appstore = new store(); | |
expect(Appstore.parseJson()).toMatchObject({}); | |
}); |
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