64 lines
1.7 KiB
TypeScript
64 lines
1.7 KiB
TypeScript
import type { SysCallMapping } from "../../plugos/system.ts";
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import Dexie from "dexie";
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type Item = {
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page: string;
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key: string;
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value: any;
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};
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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 pageIndexSyscalls(
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dbName: string,
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indexedDB?: any,
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): SysCallMapping {
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const db = new Dexie(dbName, {
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indexedDB,
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});
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db.version(1).stores({
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"index": "[page+key], page, key",
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});
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const items = db.table<Item, { key: string; page: string }>("index");
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const apiObj: SysCallMapping = {
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"index.set": (_ctx, page: string, key: string, value: any) => {
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return items.put({ page, key, value });
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},
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"index.batchSet": async (_ctx, page: string, kvs: KV[]) => {
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// await items.bulkPut(kvs);
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if (kvs.length === 0) {
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return;
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}
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const values = kvs.flatMap((kv) => ({
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page,
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key: kv.key,
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value: kv.value,
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}));
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await items.bulkPut(values);
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},
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"index.delete": (_ctx, page: string, key: string) => {
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return items.delete({ page, key });
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},
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"index.get": async (_ctx, page: string, key: string) => {
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return (await items.get({ page, key }))?.value;
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},
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"index.queryPrefix": (_ctx, prefix: string) => {
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return items.where("key").startsWith(prefix).toArray();
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},
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"index.clearPageIndexForPage": async (ctx, page: string) => {
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await apiObj["index.deletePrefixForPage"](ctx, page, "");
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},
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"index.deletePrefixForPage": (_ctx, page: string, prefix: string) => {
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return items.where({ page }).and((it) => it.key.startsWith(prefix))
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.delete();
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},
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"index.clearPageIndex": () => {
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return items.clear();
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},
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};
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return apiObj;
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}
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