Vincent Koc
54 lines
1.7 KiB
TypeScript
54 lines
1.7 KiB
TypeScript
import { normalizeOptionalLowercaseString } from "../shared/string-coerce.js";
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import { listBundledChannelCatalogEntries } from "./bundled-channel-catalog-read.js";
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export type ChatChannelId = string;
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type BundledChatChannelEntry = {
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id: ChatChannelId;
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aliases: readonly string[];
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order: number;
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};
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function listBundledChatChannelEntries(): BundledChatChannelEntry[] {
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return listBundledChannelCatalogEntries()
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.map((entry) => ({
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id: normalizeOptionalLowercaseString(entry.id) ?? entry.id,
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aliases: entry.aliases,
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order: entry.order,
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}))
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.toSorted(
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(left, right) =>
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left.order - right.order || left.id.localeCompare(right.id, "en", { sensitivity: "base" }),
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);
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}
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const BUNDLED_CHAT_CHANNEL_ENTRIES = Object.freeze(listBundledChatChannelEntries());
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const CHAT_CHANNEL_ID_SET = new Set(BUNDLED_CHAT_CHANNEL_ENTRIES.map((entry) => entry.id));
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export const CHAT_CHANNEL_ORDER = Object.freeze(
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BUNDLED_CHAT_CHANNEL_ENTRIES.map((entry) => entry.id),
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);
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export const CHANNEL_IDS = CHAT_CHANNEL_ORDER;
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export const CHAT_CHANNEL_ALIASES: Record<string, ChatChannelId> = Object.freeze(
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Object.fromEntries(
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BUNDLED_CHAT_CHANNEL_ENTRIES.flatMap((entry) =>
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entry.aliases.map((alias) => [alias, entry.id] as const),
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),
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),
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) as Record<string, ChatChannelId>;
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export function listChatChannelAliases(): string[] {
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return Object.keys(CHAT_CHANNEL_ALIASES);
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}
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export function normalizeChatChannelId(raw?: string | null): ChatChannelId | null {
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const normalized = normalizeOptionalLowercaseString(raw);
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if (!normalized) {
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return null;
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}
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const resolved = CHAT_CHANNEL_ALIASES[normalized] ?? normalized;
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return CHAT_CHANNEL_ID_SET.has(resolved) ? resolved : null;
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}
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