69 lines
1.6 KiB
TypeScript
69 lines
1.6 KiB
TypeScript
import browser from 'webextension-polyfill';
|
|
|
|
import {Redirect, RedirectParameters} from './base.js';
|
|
import {parseRedirect} from './exports.js';
|
|
|
|
const redirectKeyRegex = /^redirect:\d+$/i;
|
|
|
|
async function getRedirects(): Promise<Redirect[]> {
|
|
const redirects: Redirect[] = [];
|
|
const stored = await browser.storage.local.get();
|
|
for (const [key, value] of Object.entries(stored)) {
|
|
if (!redirectKeyRegex.test(key)) {
|
|
continue;
|
|
}
|
|
|
|
const redirect = parseRedirect(value);
|
|
if (redirect !== undefined) {
|
|
redirects.push(redirect);
|
|
}
|
|
}
|
|
|
|
return redirects;
|
|
}
|
|
|
|
async function nextRedirectId(): Promise<number> {
|
|
const {latestId} = await browser.storage.local.get('latestId');
|
|
const id = Number(latestId);
|
|
|
|
let nextId: number | undefined;
|
|
if (Number.isNaN(id)) {
|
|
const redirects = await getRedirects();
|
|
nextId = redirects.length + 1;
|
|
} else {
|
|
nextId = id + 1;
|
|
}
|
|
|
|
await browser.storage.local.set({latestId: nextId});
|
|
return nextId;
|
|
}
|
|
|
|
async function prepareForStorage(
|
|
redirect: Redirect,
|
|
): Promise<Record<string, RedirectParameters>> {
|
|
const prepared: Record<string, RedirectParameters> = {};
|
|
prepared[redirect.idString()] = redirect.parameters;
|
|
return prepared;
|
|
}
|
|
|
|
async function save(redirect: Redirect): Promise<void> {
|
|
await savePrepared(await prepareForStorage(redirect));
|
|
}
|
|
|
|
async function savePrepared(
|
|
prepared: Record<string, RedirectParameters>,
|
|
): Promise<void> {
|
|
await browser.storage.local.set(prepared);
|
|
}
|
|
|
|
const storage = {
|
|
getRedirects,
|
|
nextRedirectId,
|
|
prepareForStorage,
|
|
redirectKeyRegex,
|
|
save,
|
|
savePrepared,
|
|
};
|
|
|
|
export default storage;
|