Add version 0.1v0.1

1 files changed, 60 insertions, 0 deletions

diff --git a/storage.html b/storage.html
new file mode 100644
index 0000000..f9e9bee
--- /dev/null
+++ b/storage.html
@@ -0,0 +1,60 @@
+<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>