web_lib

Common web application libraries
git clone https://radroots.dev/git/web_lib.git
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lib.ts (3063B)

      1 import {
      2     KIND_LIST_BLOCKED_RELAYS,
      3     KIND_LIST_BOOKMARKS,
      4     KIND_LIST_COMMUNITIES,
      5     KIND_LIST_DM_RELAYS,
      6     KIND_LIST_EMOJIS,
      7     KIND_LIST_GOOD_WIKI_AUTHORS,
      8     KIND_LIST_GOOD_WIKI_RELAYS,
      9     KIND_LIST_INTERESTS,
     10     KIND_LIST_MEDIA_FOLLOWS,
     11     KIND_LIST_MUTE,
     12     KIND_LIST_PINNED_NOTES,
     13     KIND_LIST_PUBLIC_CHATS,
     14     KIND_LIST_READ_WRITE_RELAYS,
     15     KIND_LIST_RELAY_FEEDS,
     16     KIND_LIST_SEARCH_RELAYS,
     17     KIND_LIST_SIMPLE_GROUPS,
     18     type RadrootsList,
     19     type RadrootsListEntry,
     20 } from "@radroots/events-bindings";
     21 import type { NostrEventFigure, NostrSignedEvent } from "../../types/nostr.js";
     22 import { nostr_event_create } from "../lib.js";
     23 import { tags_list } from "./tags.js";
     24 
     25 export const NIP51_LIST_KINDS = [
     26     KIND_LIST_MUTE,
     27     KIND_LIST_PINNED_NOTES,
     28     KIND_LIST_READ_WRITE_RELAYS,
     29     KIND_LIST_BOOKMARKS,
     30     KIND_LIST_COMMUNITIES,
     31     KIND_LIST_PUBLIC_CHATS,
     32     KIND_LIST_BLOCKED_RELAYS,
     33     KIND_LIST_SEARCH_RELAYS,
     34     KIND_LIST_SIMPLE_GROUPS,
     35     KIND_LIST_RELAY_FEEDS,
     36     KIND_LIST_INTERESTS,
     37     KIND_LIST_MEDIA_FOLLOWS,
     38     KIND_LIST_EMOJIS,
     39     KIND_LIST_DM_RELAYS,
     40     KIND_LIST_GOOD_WIKI_AUTHORS,
     41     KIND_LIST_GOOD_WIKI_RELAYS,
     42 ] as const;
     43 
     44 export type KindRadrootsList = typeof NIP51_LIST_KINDS[number];
     45 
     46 export const is_nip51_list_kind = (kind: number): kind is KindRadrootsList =>
     47     NIP51_LIST_KINDS.some(value => value === kind);
     48 
     49 export const nostr_event_list = async (
     50     opts: NostrEventFigure<{ data: RadrootsList; kind: KindRadrootsList }>,
     51 ): Promise<NostrSignedEvent | undefined> => {
     52     const { data, kind } = opts;
     53     if (!is_nip51_list_kind(kind)) return undefined;
     54     const tags = await tags_list(data);
     55     return nostr_event_create({
     56         ...opts,
     57         basis: {
     58             kind,
     59             content: data.content,
     60             tags,
     61         },
     62     });
     63 };
     64 
     65 const is_string_array = (value: unknown): value is string[] =>
     66     Array.isArray(value) && value.every(item => typeof item === "string");
     67 
     68 export const list_private_entries_json = (entries: RadrootsListEntry[]): string | undefined => {
     69     const tags: string[][] = [];
     70     for (const entry of entries) {
     71         if (!entry.tag.trim()) return undefined;
     72         const first = entry.values[0];
     73         if (!first || !first.trim()) return undefined;
     74         tags.push([entry.tag, ...entry.values]);
     75     }
     76     return JSON.stringify(tags);
     77 };
     78 
     79 export const list_private_entries_parse = (content: string): RadrootsListEntry[] | undefined => {
     80     let parsed: unknown;
     81     try {
     82         parsed = JSON.parse(content);
     83     } catch {
     84         return undefined;
     85     }
     86     if (!Array.isArray(parsed)) return undefined;
     87     const entries: RadrootsListEntry[] = [];
     88     for (const tag of parsed) {
     89         if (!is_string_array(tag)) return undefined;
     90         if (!tag.length) return undefined;
     91         const [name, ...values] = tag;
     92         if (!name.trim()) return undefined;
     93         const first = values[0];
     94         if (!first || !first.trim()) return undefined;
     95         entries.push({ tag: name, values });
     96     }
     97     return entries;
     98 };