diff --git a/.eslintrc.cjs b/.eslintrc.cjs
index 4b567364..4b04e87a 100644
--- a/.eslintrc.cjs
+++ b/.eslintrc.cjs
@@ -7,6 +7,7 @@ const projects = defineConfig({
 			"./tsconfig.json",
 			"./client/tsconfig.json",
 			"./server/tsconfig.json",
+			"./shared/tsconfig.json",
 			"./test/tsconfig.json",
 		],
 	},
diff --git a/client/components/MessageCondensed.vue b/client/components/MessageCondensed.vue
index ba20283b..c45a7ac0 100644
--- a/client/components/MessageCondensed.vue
+++ b/client/components/MessageCondensed.vue
@@ -19,7 +19,7 @@
 
 <script lang="ts">
 import {computed, defineComponent, PropType, ref} from "vue";
-import constants from "../js/constants";
+import {condensedTypes} from "../../shared/irc";
 import {ClientMessage, ClientNetwork} from "../js/types";
 import Message from "./Message.vue";
 
@@ -51,7 +51,7 @@ export default defineComponent({
 		const condensedText = computed(() => {
 			const obj: Record<string, number> = {};
 
-			constants.condensedTypes.forEach((type) => {
+			condensedTypes.forEach((type) => {
 				obj[type] = 0;
 			});
 
@@ -75,7 +75,7 @@ export default defineComponent({
 			obj.part += obj.quit;
 
 			const strings: string[] = [];
-			constants.condensedTypes.forEach((type) => {
+			condensedTypes.forEach((type) => {
 				if (obj[type]) {
 					switch (type) {
 						case "chghost":
diff --git a/client/components/MessageList.vue b/client/components/MessageList.vue
index b5779c91..7de87d08 100644
--- a/client/components/MessageList.vue
+++ b/client/components/MessageList.vue
@@ -58,7 +58,7 @@
 </template>
 
 <script lang="ts">
-import constants from "../js/constants";
+import {condensedTypes} from "../../shared/irc";
 import eventbus from "../js/eventbus";
 import clipboard from "../js/clipboard";
 import socket from "../js/socket";
@@ -184,7 +184,7 @@ export default defineComponent({
 			// If actions are hidden, just return a message list with them excluded
 			if (store.state.settings.statusMessages === "hidden") {
 				return props.channel.messages.filter(
-					(message) => !constants.condensedTypes.has(message.type)
+					(message) => !condensedTypes.has(message.type)
 				);
 			}
 
@@ -200,11 +200,7 @@ export default defineComponent({
 			for (const message of props.channel.messages) {
 				// If this message is not condensable, or its an action affecting our user,
 				// then just append the message to container and be done with it
-				if (
-					message.self ||
-					message.highlight ||
-					!constants.condensedTypes.has(message.type)
-				) {
+				if (message.self || message.highlight || !condensedTypes.has(message.type)) {
 					lastCondensedContainer = null;
 
 					condensed.push(message);
diff --git a/client/js/constants.ts b/client/js/constants.ts
index a2885edb..725224bd 100644
--- a/client/js/constants.ts
+++ b/client/js/constants.ts
@@ -17,18 +17,6 @@ const colorCodeMap = [
 	["15", "Light Grey"],
 ];
 
-const condensedTypes = new Set([
-	"away",
-	"back",
-	"chghost",
-	"join",
-	"kick",
-	"mode",
-	"nick",
-	"part",
-	"quit",
-]);
-
 const timeFormats = {
 	msgDefault: "HH:mm",
 	msgWithSeconds: "HH:mm:ss",
@@ -39,7 +27,6 @@ const timeFormats = {
 export default {
 	colorCodeMap,
 	commands: [] as string[],
-	condensedTypes,
 	timeFormats,
 	// Same value as media query in CSS that forces sidebars to become overlays
 	mobileViewportPixels: 768,
diff --git a/client/js/helpers/ircmessageparser/cleanIrcMessage.ts b/client/js/helpers/ircmessageparser/cleanIrcMessage.ts
deleted file mode 100644
index 7e4fdf35..00000000
--- a/client/js/helpers/ircmessageparser/cleanIrcMessage.ts
+++ /dev/null
@@ -1,4 +0,0 @@
-const matchFormatting =
-	/\x02|\x1D|\x1F|\x16|\x0F|\x11|\x1E|\x03(?:[0-9]{1,2}(?:,[0-9]{1,2})?)?|\x04(?:[0-9a-f]{6}(?:,[0-9a-f]{6})?)?/gi;
-
-export default (message: string) => message.replace(matchFormatting, "").trim();
diff --git a/client/js/helpers/ircmessageparser/merge.ts b/client/js/helpers/ircmessageparser/merge.ts
index 9c728cec..707c495d 100644
--- a/client/js/helpers/ircmessageparser/merge.ts
+++ b/client/js/helpers/ircmessageparser/merge.ts
@@ -2,7 +2,7 @@ import anyIntersection from "./anyIntersection";
 import fill from "./fill";
 import {ChannelPart} from "./findChannels";
 import {EmojiPart} from "./findEmoji";
-import {LinkPart} from "./findLinks";
+import {LinkPart} from "../../../../shared/linkify";
 import {NamePart} from "./findNames";
 
 export type Part = {
diff --git a/client/js/helpers/parse.ts b/client/js/helpers/parse.ts
index b120d70f..e69067a4 100644
--- a/client/js/helpers/parse.ts
+++ b/client/js/helpers/parse.ts
@@ -3,11 +3,11 @@
 
 import {h as createElement, VNode} from "vue";
 import parseStyle from "./ircmessageparser/parseStyle";
-import findChannels, {ChannelPart} from "./ircmessageparser/findChannels";
-import {findLinks, LinkPart} from "./ircmessageparser/findLinks";
-import findEmoji, {EmojiPart} from "./ircmessageparser/findEmoji";
-import findNames, {NamePart} from "./ircmessageparser/findNames";
-import merge, {MergedParts, Part} from "./ircmessageparser/merge";
+import findChannels from "./ircmessageparser/findChannels";
+import {findLinks} from "../../../shared/linkify";
+import findEmoji from "./ircmessageparser/findEmoji";
+import findNames from "./ircmessageparser/findNames";
+import merge, {MergedParts} from "./ircmessageparser/merge";
 import emojiMap from "./fullnamemap.json";
 import LinkPreviewToggle from "../../components/LinkPreviewToggle.vue";
 import LinkPreviewFileSize from "../../components/LinkPreviewFileSize.vue";
diff --git a/client/js/socket-events/msg.ts b/client/js/socket-events/msg.ts
index 523b2f56..4bb5e7c4 100644
--- a/client/js/socket-events/msg.ts
+++ b/client/js/socket-events/msg.ts
@@ -1,6 +1,6 @@
 /* eslint-disable @typescript-eslint/restrict-plus-operands */
 import socket from "../socket";
-import cleanIrcMessage from "../helpers/ircmessageparser/cleanIrcMessage";
+import {cleanIrcMessage} from "../../../shared/irc";
 import {store} from "../store";
 import {switchToChannel} from "../router";
 import {ClientChan, ClientMention, ClientMessage, NetChan} from "../types";
diff --git a/client/tsconfig.json b/client/tsconfig.json
index f5434d2c..4054c4f1 100644
--- a/client/tsconfig.json
+++ b/client/tsconfig.json
@@ -1,7 +1,8 @@
 {
   "extends": "../tsconfig.base.json" /* Path to base configuration file to inherit from. Requires TypeScript version 2.1 or later. */,
   "include": [
-    "./**/*"
+    "./**/*",
+    "../shared"
   ] /* Specifies a list of glob patterns that match files to be included in compilation. If no 'files' or 'include' property is present in a tsconfig.json, the compiler defaults to including all files in the containing directory and subdirectories except those specified by 'exclude'. Requires TypeScript version 2.0 or later. */,
   "files": [
     "../package.json",
diff --git a/server/client.ts b/server/client.ts
index bd8dd24b..826bef13 100644
--- a/server/client.ts
+++ b/server/client.ts
@@ -9,7 +9,7 @@ import log from "./log";
 import Chan, {Channel, ChanType} from "./models/chan";
 import Msg, {MessageType, UserInMessage} from "./models/msg";
 import Config from "./config";
-import constants from "../client/js/constants";
+import {condensedTypes} from "../shared/irc";
 
 import inputs from "./plugins/inputs";
 import PublicClient from "./plugins/packages/publicClient";
@@ -569,7 +569,7 @@ class Client {
 					startIndex--;
 
 					// Do not count condensed messages towards the 100 messages
-					if (constants.condensedTypes.has(chan.messages[i].type)) {
+					if (condensedTypes.has(chan.messages[i].type)) {
 						continue;
 					}
 
diff --git a/server/plugins/irc-events/link.ts b/server/plugins/irc-events/link.ts
index e370fc7a..9755d556 100644
--- a/server/plugins/irc-events/link.ts
+++ b/server/plugins/irc-events/link.ts
@@ -5,7 +5,7 @@ import mime from "mime-types";
 
 import log from "../../log";
 import Config from "../../config";
-import {findLinksWithSchema} from "../../../client/js/helpers/ircmessageparser/findLinks";
+import {findLinksWithSchema} from "../../../shared/linkify";
 import storage from "../storage";
 import Client from "../../client";
 import Chan from "../../models/chan";
diff --git a/server/plugins/irc-events/message.ts b/server/plugins/irc-events/message.ts
index 469ecabb..682d3b8a 100644
--- a/server/plugins/irc-events/message.ts
+++ b/server/plugins/irc-events/message.ts
@@ -1,6 +1,6 @@
 import Msg, {MessageType} from "../../models/msg";
 import LinkPrefetch from "./link";
-import cleanIrcMessage from "../../../client/js/helpers/ircmessageparser/cleanIrcMessage";
+import {cleanIrcMessage} from "../../../shared/irc";
 import Helper from "../../helper";
 import {IrcEventHandler} from "../../client";
 import Chan, {ChanType} from "../../models/chan";
diff --git a/server/tsconfig.json b/server/tsconfig.json
index 992c7873..06045646 100644
--- a/server/tsconfig.json
+++ b/server/tsconfig.json
@@ -2,10 +2,9 @@
   "extends": "../tsconfig.base.json" /* Path to base configuration file to inherit from. Requires TypeScript version 2.1 or later. */,
   "include": [
     "**/*",
-    "../client/js/helpers/ircmessageparser/*.ts"
+    "../shared/"
   ] /* Specifies a list of glob patterns that match files to be included in compilation. If no 'files' or 'include' property is present in a tsconfig.json, the compiler defaults to including all files in the containing directory and subdirectories except those specified by 'exclude'. Requires TypeScript version 2.0 or later. */,
   "files": [
-    "../client/js/constants.ts",
     "../babel.config.cjs",
     "../defaults/config.js",
     "../package.json",
@@ -15,13 +14,8 @@
     "files": true
   },
   "compilerOptions": {
-    "outDir": "../dist" /* Specify an output folder for all emitted files. See more: https://www.typescriptlang.org/tsconfig#outDir */,
     "noEmit": false /* Disable emitting file from a compilation. See more: https://www.typescriptlang.org/tsconfig#noEmit */,
-
     // TODO: Remove eventually
     "noImplicitAny": false /*Enable error reporting for expressions and declarations with an implied any type. See more: https://www.typescriptlang.org/tsconfig#noImplicitAny */
-  } /* Instructs the TypeScript compiler how to compile .ts files. */,
-  "exclude": [
-    "./dist"
-  ] /* Specifies a list of glob patterns that match files to be excluded from compilation. Requires TypeScript version 2.0 or later. */
+  } /* Instructs the TypeScript compiler how to compile .ts files. */
 }
diff --git a/shared/irc.ts b/shared/irc.ts
new file mode 100644
index 00000000..8c954581
--- /dev/null
+++ b/shared/irc.ts
@@ -0,0 +1,18 @@
+const matchFormatting =
+	/\x02|\x1D|\x1F|\x16|\x0F|\x11|\x1E|\x03(?:[0-9]{1,2}(?:,[0-9]{1,2})?)?|\x04(?:[0-9a-f]{6}(?:,[0-9a-f]{6})?)?/gi;
+
+export function cleanIrcMessage(message: string) {
+	return message.replace(matchFormatting, "").trim();
+}
+
+export const condensedTypes = new Set([
+	"away",
+	"back",
+	"chghost",
+	"join",
+	"kick",
+	"mode",
+	"nick",
+	"part",
+	"quit",
+]);
diff --git a/client/js/helpers/ircmessageparser/findLinks.ts b/shared/linkify.ts
similarity index 61%
rename from client/js/helpers/ircmessageparser/findLinks.ts
rename to shared/linkify.ts
index 15c38be9..b403b533 100644
--- a/client/js/helpers/ircmessageparser/findLinks.ts
+++ b/shared/linkify.ts
@@ -1,15 +1,19 @@
 import LinkifyIt, {Match} from "linkify-it";
-import {Part} from "./merge";
+import tlds from "tlds";
 
-export type LinkPart = Part & {
+export type NoSchemaMatch = Match & {
+	noschema: boolean;
+};
+
+export type LinkPart = {
+	start: number;
+	end: number;
 	link: string;
 };
 
-type OurMatch = Match & {
-	noschema?: boolean;
-};
+LinkifyIt.prototype.normalize = function normalize(match: NoSchemaMatch) {
+	match.noschema = false;
 
-LinkifyIt.prototype.normalize = function normalize(match: OurMatch) {
 	if (!match.schema) {
 		match.schema = "http:";
 		match.url = "http://" + match.url;
@@ -27,7 +31,6 @@ LinkifyIt.prototype.normalize = function normalize(match: OurMatch) {
 	}
 };
 
-import tlds from "tlds";
 const linkify = LinkifyIt().tlds(tlds).tlds("onion", true);
 
 // Known schemes to detect in text
@@ -52,32 +55,30 @@ for (const schema of commonSchemes) {
 	linkify.add(schema + ":", "http:");
 }
 
-function findLinks(text: string) {
-	const matches = linkify.match(text) as OurMatch[];
+export function findLinks(text: string) {
+	const matches = linkify.match(text) as NoSchemaMatch[];
 
 	if (!matches) {
 		return [];
 	}
 
-	return matches.map(returnUrl);
+	return matches.map(makeLinkPart);
 }
 
-function findLinksWithSchema(text: string) {
-	const matches = linkify.match(text) as OurMatch[];
+export function findLinksWithSchema(text: string) {
+	const matches = linkify.match(text) as NoSchemaMatch[];
 
 	if (!matches) {
 		return [];
 	}
 
-	return matches.filter((url) => !url.noschema).map(returnUrl);
+	return matches.filter((url) => !url.noschema).map(makeLinkPart);
 }
 
-function returnUrl(url: OurMatch): LinkPart {
+function makeLinkPart(url: NoSchemaMatch): LinkPart {
 	return {
 		start: url.index,
 		end: url.lastIndex,
 		link: url.url,
 	};
 }
-
-export {findLinks, findLinksWithSchema};
diff --git a/shared/tsconfig.json b/shared/tsconfig.json
new file mode 100644
index 00000000..fedb8212
--- /dev/null
+++ b/shared/tsconfig.json
@@ -0,0 +1,13 @@
+{
+  "extends": "../tsconfig.base.json" /* Path to base configuration file to inherit from. Requires TypeScript version 2.1 or later. */,
+  "include": [
+    "*"
+  ] /* Specifies a list of glob patterns that match files to be included in compilation. If no 'files' or 'include' property is present in a tsconfig.json, the compiler defaults to including all files in the containing directory and subdirectories except those specified by 'exclude'. Requires TypeScript version 2.0 or later. */,
+  "files": [] /* If no 'files' or 'include' property is present in a tsconfig.json, the compiler defaults to including all files in the containing directory and subdirectories except those specified by 'exclude'. When a 'files' property is specified, only those files and those specified by 'include' are included. */,
+  "ts-node": {
+    "files": true
+  },
+  "compilerOptions": {
+    "noEmit": false /* Disable emitting file from a compilation. See more: https://www.typescriptlang.org/tsconfig#noEmit */
+  }
+}
diff --git a/test/client/js/constantsTest.ts b/test/client/js/constantsTest.ts
index 04daa314..26ae668b 100644
--- a/test/client/js/constantsTest.ts
+++ b/test/client/js/constantsTest.ts
@@ -18,19 +18,6 @@ describe("client-side constants", function () {
 		});
 	});
 
-	describe(".condensedTypes", function () {
-		it("should be a non-empty array", function () {
-			expect(constants.condensedTypes).to.be.an.instanceof(Set).that.is.not.empty;
-		});
-
-		it("should only contain ASCII strings", function () {
-			// @ts-expect-error ts-migrate(7006) FIXME: Parameter 'type' implicitly has an 'any' type.
-			constants.condensedTypes.forEach((type) => {
-				expect(type).to.be.a("string").that.does.match(/^\w+$/);
-			});
-		});
-	});
-
 	describe(".timeFormats", function () {
 		it("should be objects of strings", function () {
 			expect(constants.timeFormats.msgDefault).to.be.an("string").that.is.not.empty;
diff --git a/test/client/js/helpers/ircmessageparser/cleanIrcMessage.ts b/test/shared/cleanIrcMessage.ts
similarity index 94%
rename from test/client/js/helpers/ircmessageparser/cleanIrcMessage.ts
rename to test/shared/cleanIrcMessage.ts
index 4abe23a2..1cc1ff49 100644
--- a/test/client/js/helpers/ircmessageparser/cleanIrcMessage.ts
+++ b/test/shared/cleanIrcMessage.ts
@@ -1,5 +1,5 @@
 import {expect} from "chai";
-import cleanIrcMessage from "../../../../../client/js/helpers/ircmessageparser/cleanIrcMessage";
+import {cleanIrcMessage} from "../../shared/irc";
 
 describe("cleanIrcMessage", function () {
 	it("should remove all formatting", function () {
diff --git a/test/client/js/helpers/ircmessageparser/findLinks.ts b/test/shared/findLinks.ts
similarity index 98%
rename from test/client/js/helpers/ircmessageparser/findLinks.ts
rename to test/shared/findLinks.ts
index 350830b2..c5be4608 100644
--- a/test/client/js/helpers/ircmessageparser/findLinks.ts
+++ b/test/shared/findLinks.ts
@@ -1,8 +1,5 @@
 import {expect} from "chai";
-import {
-	findLinks,
-	findLinksWithSchema,
-} from "../../../../../client/js/helpers/ircmessageparser/findLinks";
+import {findLinks, findLinksWithSchema} from "../../shared/linkify";
 
 describe("findLinks", () => {
 	it("should find url", () => {
diff --git a/test/shared/irc.ts b/test/shared/irc.ts
new file mode 100644
index 00000000..fb0d7168
--- /dev/null
+++ b/test/shared/irc.ts
@@ -0,0 +1,14 @@
+import {expect} from "chai";
+import {condensedTypes} from "../../shared/irc";
+
+describe(".condensedTypes", function () {
+	it("should be a non-empty array", function () {
+		expect(condensedTypes).to.be.an.instanceof(Set).that.is.not.empty;
+	});
+
+	it("should only contain ASCII strings", function () {
+		condensedTypes.forEach((type) => {
+			expect(type).to.be.a("string").that.does.match(/^\w+$/);
+		});
+	});
+});
diff --git a/test/tsconfig.json b/test/tsconfig.json
index 27207ccc..b4485495 100644
--- a/test/tsconfig.json
+++ b/test/tsconfig.json
@@ -3,7 +3,8 @@
   "include": [
     "**/*",
     "../client",
-    "../server"
+    "../server",
+    "../shared"
   ] /* Specifies a list of glob patterns that match files to be included in compilation. If no 'files' or 'include' property is present in a tsconfig.json, the compiler defaults to including all files in the containing directory and subdirectories except those specified by 'exclude'. Requires TypeScript version 2.0 or later. */,
   "files": [
     "../babel.config.cjs",
diff --git a/tsconfig.base.json b/tsconfig.base.json
index 04ea3e1d..4fffdfd9 100644
--- a/tsconfig.base.json
+++ b/tsconfig.base.json
@@ -99,6 +99,5 @@
     // "skipDefaultLibCheck": true,                      /* Skip type checking .d.ts files that are included with TypeScript. */
     "skipLibCheck": true /* Skip type checking all .d.ts files. */
   },
-  "files": ["./package.json", "./server/helper.ts"],
   "exclude": ["./dist"]
 }
diff --git a/tsconfig.json b/tsconfig.json
index fe1b0c3a..bfd7b57a 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -6,12 +6,9 @@
   ] /* If no 'files' or 'include' property is present in a tsconfig.json, the compiler defaults to including all files in the containing directory and subdirectories except those specified by 'exclude'. When a 'files' property is specified, only those files and those specified by 'include' are included. */,
   // "exclude": [],
   "references": [
-    {
-      "path": "./client" /* Path to referenced tsconfig or to folder containing tsconfig. */
-    },
-    {
-      "path": "./server" /* Path to referenced tsconfig or to folder containing tsconfig. */
-    }
+    {"path": "./client"},
+    {"path": "./server"},
+    {"path": "./shared"}
   ] /* Referenced projects. Requires TypeScript version 3.0 or later. */,
   "compilerOptions": {
     // TODO: Remove eventually
diff --git a/webpack.config.ts b/webpack.config.ts
index b103b2a4..02a7ca54 100644
--- a/webpack.config.ts
+++ b/webpack.config.ts
@@ -58,7 +58,7 @@ const config: webpack.Configuration = {
 			},
 			{
 				test: /\.ts$/i,
-				include: [path.resolve(__dirname, "client")],
+				include: [path.resolve(__dirname, "client"), path.resolve(__dirname, "shared")],
 				exclude: path.resolve(__dirname, "node_modules"),
 				use: {
 					loader: "babel-loader",