@vueuse/integrations
Version:
Integration wrappers for utility libraries
64 lines (62 loc) • 1.56 kB
JavaScript
import { ref, shallowRef, toRaw, toValue } from "vue";
import { watchPausable } from "@vueuse/core";
import { del, get, set, update } from "idb-keyval";
//#region useIDBKeyval/index.ts
/**
*
* @param key
* @param initialValue
* @param options
*/
function useIDBKeyval(key, initialValue, options = {}) {
const { flush = "pre", deep = true, shallow = false, onError = (e) => {
console.error(e);
}, writeDefaults = true, serializer = {
read: (raw) => raw,
write: (value) => value
} } = options;
const isFinished = shallowRef(false);
const data = (shallow ? shallowRef : ref)(initialValue);
const rawInit = toValue(initialValue);
async function read() {
try {
const rawValue = await get(key);
if (rawValue === void 0) {
if (rawInit !== void 0 && rawInit !== null && writeDefaults) await set(key, serializer.write(rawInit));
} else data.value = serializer.read(rawValue);
} catch (e) {
onError(e);
}
isFinished.value = true;
}
read();
async function write() {
try {
if (data.value == null) await del(key);
else {
const rawValue = toRaw(data.value);
const serializedValue = serializer.write(rawValue);
await update(key, () => serializedValue);
}
} catch (e) {
onError(e);
}
}
const { pause: pauseWatch, resume: resumeWatch } = watchPausable(data, () => write(), {
flush,
deep
});
async function setData(value) {
pauseWatch();
data.value = value;
await write();
resumeWatch();
}
return {
set: setData,
isFinished,
data
};
}
//#endregion
export { useIDBKeyval as t };