63 lines
2.1 KiB
TypeScript
63 lines
2.1 KiB
TypeScript
import {
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buildMessagingTarget,
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ensureTargetId,
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requireTargetKind,
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type MessagingTarget,
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type MessagingTargetKind,
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type MessagingTargetParseOptions,
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} from "../channels/targets.js";
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export type DiscordTargetKind = MessagingTargetKind;
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export type DiscordTarget = MessagingTarget;
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type DiscordTargetParseOptions = MessagingTargetParseOptions;
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export function parseDiscordTarget(
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raw: string,
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options: DiscordTargetParseOptions = {},
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): DiscordTarget | undefined {
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const trimmed = raw.trim();
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if (!trimmed) return undefined;
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const mentionMatch = trimmed.match(/^<@!?(\d+)>$/);
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if (mentionMatch) {
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return buildMessagingTarget("user", mentionMatch[1], trimmed);
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}
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if (trimmed.startsWith("user:")) {
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const id = trimmed.slice("user:".length).trim();
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return id ? buildMessagingTarget("user", id, trimmed) : undefined;
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}
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if (trimmed.startsWith("channel:")) {
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const id = trimmed.slice("channel:".length).trim();
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return id ? buildMessagingTarget("channel", id, trimmed) : undefined;
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}
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if (trimmed.startsWith("discord:")) {
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const id = trimmed.slice("discord:".length).trim();
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return id ? buildMessagingTarget("user", id, trimmed) : undefined;
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}
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if (trimmed.startsWith("@")) {
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const candidate = trimmed.slice(1).trim();
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const id = ensureTargetId({
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candidate,
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pattern: /^\d+$/,
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errorMessage: "Discord DMs require a user id (use user:<id> or a <@id> mention)",
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});
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return buildMessagingTarget("user", id, trimmed);
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}
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if (/^\d+$/.test(trimmed)) {
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if (options.defaultKind) {
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return buildMessagingTarget(options.defaultKind, trimmed, trimmed);
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}
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throw new Error(
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options.ambiguousMessage ??
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`Ambiguous Discord recipient "${trimmed}". Use "user:${trimmed}" for DMs or "channel:${trimmed}" for channel messages.`,
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);
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}
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return buildMessagingTarget("channel", trimmed, trimmed);
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}
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export function resolveDiscordChannelId(raw: string): string {
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const target = parseDiscordTarget(raw, { defaultKind: "channel" });
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return requireTargetKind({ platform: "Discord", target, kind: "channel" });
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}
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