re-nav/source/redirect/storage.ts

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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;