Let's try this. Global LiteGraph with the wrong types.

dist/ComfyUI-Anchors/lib/anchor.d.ts

@@ -1 +1,5 @@
+declare global {
+    const LiteGraph: any;
+    const LGraphCanvas: any;
+}
 export {};

dist/comfyui-anchors.js

@@ -1,24 +1,23 @@
-var c = Object.defineProperty;
-var i = (r, o, t) => o in r ? c(r, o, { enumerable: !0, configurable: !0, writable: !0, value: t }) : r[o] = t;
-var e = (r, o, t) => (i(r, typeof o != "symbol" ? o + "" : o, t), t);
-import { LiteGraph as l, LGraphCanvas as s } from "../../../lib/litegraph.core.js";
-import { app as n } from "../../../scripts/app.js";
-import { ComfyWidgets as a } from "../../../scripts/widgets.js";
-function p() {
+var s = Object.defineProperty;
+var l = (r, o, t) => o in r ? s(r, o, { enumerable: !0, configurable: !0, writable: !0, value: t }) : r[o] = t;
+var e = (r, o, t) => (l(r, typeof o != "symbol" ? o + "" : o, t), t);
+import { app as c } from "../../../scripts/app.js";
+import { ComfyWidgets as i } from "../../../scripts/widgets.js";
+function a() {
   console.log("%cSetting up ComfyUI-Anchors...", "color:green");
 }
-n.registerExtension({
+c.registerExtension({
   name: "drjkl.custom_nodes.anchors",
   async registerCustomNodes(r) {
     class o {
       constructor() {
-        e(this, "color", s.node_colors.yellow.color);
-        e(this, "bgcolor", s.node_colors.yellow.bgcolor);
-        e(this, "groupcolor", s.node_colors.yellow.groupcolor);
+        e(this, "color", LGraphCanvas.node_colors.yellow.color);
+        e(this, "bgcolor", LGraphCanvas.node_colors.yellow.bgcolor);
+        e(this, "groupcolor", LGraphCanvas.node_colors.yellow.groupcolor);
         e(this, "serialize_widgets", !0);
         e(this, "isVirtualNode", !0);
         e(this, "properties", { text: "" });
-        a.STRING(
+        i.STRING(
           this,
           "",
           ["", { default: this.properties.text, multiline: !1 }],
@@ -26,16 +25,16 @@ n.registerExtension({
         );
       }
     }
-    e(o, "category", "utils"), l.registerNodeType(
+    e(o, "category", "utils"), LiteGraph.registerNodeType(
       "Anchor",
       Object.assign(o, {
-        title_mode: l.NORMAL_TITLE,
+        title_mode: LiteGraph.NORMAL_TITLE,
         title: "⚓",
         collapsable: !0
       })
     );
   },
   async setup() {
-    p();
+    a();
   }
 });

lib/anchor.ts

@@ -1,10 +1,13 @@
-import {
-  LGraphCanvas,
-  LiteGraph,
-} from '../../ComfyUI/web/lib/litegraph.core.js';
 import { app } from '../../ComfyUI/web/scripts/app.js';
 import { ComfyWidgets } from '../../ComfyUI/web/scripts/widgets.js';
-import { ComfyExtension } from '../../ComfyUI/web/types/comfy';
+import { type ComfyExtension } from '../../ComfyUI/web/types/comfy';
+
+declare global {
+  // TODO: Oh god... What have I gotten myself into...?
+  // Nah, this'll be fun.
+  const LiteGraph: any;
+  const LGraphCanvas: any;
+}
 
 function setupAnchors() {
   console.log(`%cSetting up ComfyUI-Anchors...`, 'color:green');