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import {
getActivePluginChannelRegistry,
getActivePluginRegistryVersion,
requireActivePluginRegistry,
} from "../../plugins/runtime.js";
import { normalizeOptionalString } from "../../shared/string-coerce.js";
import { CHAT_CHANNEL_ORDER, type ChatChannelId } from "../registry.js";
import { listBundledChannelSetupPlugins } from "./bundled.js";
import type { ChannelPlugin } from "./types.plugin.js";
import type { ChannelId } from "./types.public.js";
type CachedChannelSetupPlugins = {
registryVersion: number;
registryRef: object | null;
sorted: ChannelPlugin[];
byId: Map<string, ChannelPlugin>;
};
const EMPTY_CHANNEL_SETUP_CACHE: CachedChannelSetupPlugins = {
registryVersion: -1,
registryRef: null,
sorted: [],
byId: new Map(),
};
let cachedChannelSetupPlugins = EMPTY_CHANNEL_SETUP_CACHE;
function dedupeSetupPlugins(plugins: readonly ChannelPlugin[]): ChannelPlugin[] {
const seen = new Set<string>();
const resolved: ChannelPlugin[] = [];
for (const plugin of plugins) {
const id = normalizeOptionalString(plugin.id) ?? "";
if (!id || seen.has(id)) {
continue;
}
seen.add(id);
resolved.push(plugin);
}
return resolved;
}
function sortChannelSetupPlugins(plugins: readonly ChannelPlugin[]): ChannelPlugin[] {
return dedupeSetupPlugins(plugins).toSorted((a, b) => {
const indexA = CHAT_CHANNEL_ORDER.indexOf(a.id as ChatChannelId);
const indexB = CHAT_CHANNEL_ORDER.indexOf(b.id as ChatChannelId);
const orderA = a.meta.order ?? (indexA === -1 ? 999 : indexA);
const orderB = b.meta.order ?? (indexB === -1 ? 999 : indexB);
if (orderA !== orderB) {
return orderA - orderB;
}
return a.id.localeCompare(b.id);
});
}
function resolveCachedChannelSetupPlugins(): CachedChannelSetupPlugins {
const registry = requireActivePluginRegistry();
const registryVersion = getActivePluginRegistryVersion();
const cached = cachedChannelSetupPlugins;
if (cached.registryVersion === registryVersion && cached.registryRef === registry) {
return cached;
}
const registryPlugins = (registry.channelSetups ?? []).map((entry) => entry.plugin);
const sorted = sortChannelSetupPlugins(
registryPlugins.length > 0 ? registryPlugins : listBundledChannelSetupPlugins(),
);
const byId = new Map<string, ChannelPlugin>();
for (const plugin of sorted) {
byId.set(plugin.id, plugin);
}
const next: CachedChannelSetupPlugins = {
registryVersion,
registryRef: registry,
sorted,
byId,
};
cachedChannelSetupPlugins = next;
return next;
}
export function listChannelSetupPlugins(): ChannelPlugin[] {
return resolveCachedChannelSetupPlugins().sorted.slice();
}
export function listActiveChannelSetupPlugins(): ChannelPlugin[] {
const registry = getActivePluginChannelRegistry();
return sortChannelSetupPlugins((registry?.channelSetups ?? []).map((entry) => entry.plugin));
}
export function getChannelSetupPlugin(id: ChannelId): ChannelPlugin | undefined {
const resolvedId = normalizeOptionalString(id) ?? "";
if (!resolvedId) {
return undefined;
}
return resolveCachedChannelSetupPlugins().byId.get(resolvedId);
}
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(vorverarbeitet am 2026-04-27)
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