commit 99ed206d553af77044a47133816f88e5a0546b97 · dunkirk.sh/irc-slack-bridge

README.md

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         - Image URLs are automatically displayed as inline attachments

     

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         - IRC mentions (`@nick` or `nick:`) are converted to Slack mentions for mapped users

     

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         - IRC formatting codes are converted to Slack markdown

     

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       - **Slack → IRC**: Messages from mapped Slack channels are sent to their corresponding IRC channels

     

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         - Slack mentions are converted to mapped IRC nicks, or the display name from `<@U123|name>` format

     

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         - Slack markdown is converted to IRC formatting codes

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         - Image URLs are automatically displayed as inline attachments

     

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         - IRC mentions (`@nick` or `nick:`) are converted to Slack mentions for mapped users

     

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         - IRC formatting codes are converted to Slack markdown

     

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         - IRC `/me` actions are displayed in a context block with the user's avatar

     

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       - **Slack → IRC**: Messages from mapped Slack channels are sent to their corresponding IRC channels

     

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         - Slack mentions are converted to mapped IRC nicks, or the display name from `<@U123|name>` format

     

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         - Slack markdown is converted to IRC formatting codes

+81

src/index.ts

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       	console.error("IRC error:", error);

     

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       });

     

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       // Slack event handlers

     

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       slackApp.event("message", async ({ payload, context }) => {

     

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       	// Ignore bot messages and threaded messages

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       	console.error("IRC error:", error);

     

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       });

     

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       // Handle IRC /me actions

     

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       ircClient.addListener("action", async (nick: string, to: string, text: string) => {

     

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       	// Ignore messages from our own bot

     

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       	const botNickPattern = new RegExp(`^${process.env.IRC_NICK}\\d*$`);

     

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       	if (botNickPattern.test(nick)) return;

     

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       	if (nick === "****") return;

     

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       	// Find Slack channel mapping for this IRC channel

     

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       	const mapping = channelMappings.getByIrcChannel(to);

     

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       	if (!mapping) return;

     

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       	// Check if this IRC nick is mapped to a Slack user

     

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       	const userMapping = userMappings.getByIrcNick(nick);

     

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       	let iconUrl: string;

     

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       	if (userMapping) {

     

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       		iconUrl = `https://cachet.dunkirk.sh/users/${userMapping.slack_user_id}/r`;

     

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       	} else {

     

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       		iconUrl = getAvatarForNick(nick);

     

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       	}

     

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       	// Parse IRC formatting and mentions

     

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       	let messageText = parseIRCFormatting(text);

     

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       	// Find all @mentions and nick: mentions in the IRC message

     

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       	const atMentionPattern = /@(\w+)/g;

     

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       	const nickMentionPattern = /(\w+):/g;

     

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       	const atMentions = Array.from(messageText.matchAll(atMentionPattern));

     

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       	const nickMentions = Array.from(messageText.matchAll(nickMentionPattern));

     

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       	for (const match of atMentions) {

     

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       		const mentionedNick = match[1] as string;

     

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       		const mentionedUserMapping = userMappings.getByIrcNick(mentionedNick);

     

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       		if (mentionedUserMapping) {

     

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       			messageText = messageText.replace(

     

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       				match[0],

     

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       				`<@${mentionedUserMapping.slack_user_id}>`,

     

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       			);

     

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       		}

     

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       	}

     

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       	for (const match of nickMentions) {

     

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       		const mentionedNick = match[1] as string;

     

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       		const mentionedUserMapping = userMappings.getByIrcNick(mentionedNick);

     

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       		if (mentionedUserMapping) {

     

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       			messageText = messageText.replace(

     

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       				match[0],

     

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       				`<@${mentionedUserMapping.slack_user_id}>:`,

     

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       			);

     

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       		}

     

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       	}

     

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       	// Format as action message with context block

     

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       	const actionText = `${nick} ${messageText}`;

     

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       	await slackClient.chat.postMessage({

     

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       		token: process.env.SLACK_BOT_TOKEN,

     

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       		channel: mapping.slack_channel_id,

     

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       		text: actionText,

     

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       		blocks: [

     

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       			{

     

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       				type: "context",

     

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       				elements: [

     

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       					{

     

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       						type: "image",

     

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       						image_url: iconUrl,

     

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       						alt_text: nick,

     

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       					},

     

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       					{

     

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       						type: "mrkdwn",

     

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       						text: actionText,

     

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       					},

     

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       				],

     

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       			},

     

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       		],

     

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       	});

     

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       	console.log(`IRC → Slack (action): ${actionText}`);

     

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       });

     

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       // Slack event handlers

     

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       slackApp.event("message", async ({ payload, context }) => {

     

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       	// Ignore bot messages and threaded messages