67 lines
1.4 KiB
TypeScript
67 lines
1.4 KiB
TypeScript
import Dexie from "https://esm.sh/dexie@3.2.2";
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import { SysCallMapping } from "../system.ts";
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export type KV = {
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key: string;
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value: any;
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};
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export function storeSyscalls(
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dbName: string,
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tableName: string,
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): SysCallMapping {
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const db = new Dexie(dbName);
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db.version(1).stores({
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[tableName]: "key",
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});
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const items = db.table(tableName);
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return {
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"store.delete": async (_ctx, key: string) => {
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await items.delete(key);
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},
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"store.deletePrefix": async (_ctx, prefix: string) => {
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await items.where("key").startsWith(prefix).delete();
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},
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"store.deleteAll": async () => {
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await items.clear();
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},
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"store.set": async (_ctx, key: string, value: any) => {
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await items.put({
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key,
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value,
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});
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},
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"store.batchSet": async (_ctx, kvs: KV[]) => {
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await items.bulkPut(
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kvs.map(({ key, value }) => ({
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key,
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value,
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})),
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);
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},
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"store.get": async (_ctx, key: string): Promise<any | null> => {
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const result = await items.get({
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key,
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});
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return result ? result.value : null;
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},
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"store.queryPrefix": async (
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_ctx,
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keyPrefix: string,
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): Promise<{ key: string; value: any }[]> => {
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const results = await items.where("key").startsWith(keyPrefix).toArray();
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return results.map((result) => ({
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key: result.key,
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value: result.value,
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}));
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},
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};
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}
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