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<script>
// const ṡ = {
// get: x => JSON.parse(localStorage.getItem("~simon/onpoint/"+x)),
// set: (x, y) => localStorage.setItem("~simon/onpoint/"+x, JSON.stringify(y)),
// }
const ṡ = {
db: "~simon/onpoint",
store: "data", // keep in sync with schema
schema: 1,
open() {
return new Promise((res, rej) => {
let req = indexedDB.open(this.db, this.schema)
req.onerror = e => rej(req.error)
req.onupgradeneeded =
e => e.target.result
.createObjectStore(this.store, {keyPath: "id"})
req.onsuccess = e => res(e.target.result)
})
},
call_store(store, meth, ...args) {
return new Promise((res, rej) => {
let req = store[meth](...args)
req.onerror = e => rej(req.error)
req.onsuccess = e => res(req.result)
})
},
async get_store(type) {
return (await this.open())
.transaction([this.store], type)
.objectStore(this.store)
},
async set(x, y) {
return this.call_store(
await this.get_store("readwrite"), "put", {id: x, data: y})
},
async get(x) {
return (
await this.call_store(
await this.get_store(), "get", x))?.data
},
async get_all(keys) {
let entries =
await Promise.all(keys.map(async k => [k, await this.get(k)]))
return Object.fromEntries(entries)
},
set_all(obj) {
return Object.entries(obj)
.map(([k, v]) => this.set(k, v))
.ǀ(Promise.all)
},
}
</script>
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