75 lines
2.1 KiB
TypeScript
75 lines
2.1 KiB
TypeScript
import type { SysCallMapping } from "../system.ts";
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import type { Client } from "../../client.ts";
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export function syncSyscalls(client: Client): SysCallMapping {
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return {
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"sync.hasInitialSyncCompleted": (): boolean => {
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return client.fullSyncCompleted;
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},
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"sync.performFileSync": async (_ctx, path: string): Promise<void> => {
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await client.postServiceWorkerMessage({
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type: "perform-file-sync",
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path,
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});
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// postServiceWorkerMessage returns silently if no SW, so only wait if SW is active
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const registration = await navigator.serviceWorker.getRegistration();
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if (registration?.active) {
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return waitForServiceWorkerActivation(client, path);
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}
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},
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"sync.performSpaceSync": async (): Promise<number> => {
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await client.postServiceWorkerMessage({ type: "perform-space-sync" });
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const registration = await navigator.serviceWorker.getRegistration();
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if (registration?.active) {
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return waitForServiceWorkerActivation(client);
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}
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return 0;
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},
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};
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}
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function waitForServiceWorkerActivation(
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client: Client,
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path?: string,
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): Promise<any> {
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return new Promise<any>((resolve, reject) => {
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client.eventHook.addLocalListener(
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"service-worker:file-sync-complete",
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eventHandler,
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);
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client.eventHook.addLocalListener(
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"service-worker:space-sync-complete",
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eventHandler,
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);
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client.eventHook.addLocalListener(
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"service-worker:sync-error",
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errorHandler,
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);
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function eventHandler(data: any) {
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if (data.path && path && data.path !== path) {
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return;
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}
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resolve(data);
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cleanup();
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}
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function errorHandler(e: any) {
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reject(e);
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cleanup();
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}
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function cleanup() {
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client.eventHook.removeLocalListener(
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"service-worker:file-sync-complete",
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eventHandler,
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);
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client.eventHook.removeLocalListener(
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"service-worker:space-sync-complete",
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eventHandler,
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);
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client.eventHook.removeLocalListener(
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"service-worker:sync-error",
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errorHandler,
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);
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}
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});
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}
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