Begin work on the custom editor for dice

module/dialogs/DiceList.mjs

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+import { GenericDialog } from "./GenericDialog.mjs";
+
+export class DiceList extends GenericDialog {
+	constructor(mobActor) {
+		super({}, { title: `${mobActor.name}'s Dice List` });
+		this.actor = mobActor;
+		this.dice = this.actor.system.dice.map((d) => ({
+			...d,
+			id: randomID(),
+		}));
+	};
+
+	static get defaultOptions() {
+		const opts = mergeObject({
+			...super.defaultOptions,
+			template: `systems/dotdungeon/templates/dialogs/diceList.hbs`,
+			width: 400,
+			height: 400,
+			submitOnClose: true,
+		});
+		opts.classes.push(`dotdungeon`);
+		return opts;
+	};
+
+	async getData() {
+		const ctx = await super.getData();
+		ctx.dice = this.dice;
+		return ctx;
+	};
+
+	async _updateObject(event, formData) {
+		console.log(event, formData);
+	};
+
+	addDie() {
+		this.dice.push({
+			count: 1,
+			sides: 2,
+			repeat: 1,
+			id: randomID(),
+		});
+		this.render();
+	};
+};

module/dialogs/GenericDialog.mjs

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+import DOTDUNGEON from "../config.mjs";
+
+export class GenericDialog extends FormApplication {
+
+	#propogatedSettings = [
+		`devMode`,
+	];
+
+	async getData() {
+		const ctx = {};
+
+		// Send all of the settings that sheets need into their context
+		ctx.settings = {};
+		for (const setting of this.#propogatedSettings) {
+			ctx.settings[setting] = game.settings.get(`dotdungeon`, setting);
+		};
+
+		ctx.isGM = game.users.current.hasRole(CONST.USER_ROLES.ASSISTANT);
+
+		ctx.meta = {
+			expanded: this._expanded,
+		};
+
+		ctx.config = DOTDUNGEON;
+		ctx.icons = CONFIG.CACHE.icons;
+
+		return ctx;
+	};
+
+	activateListeners(html) {
+		super.activateListeners(html);
+
+		if (!this.isEditable) return;
+		console.debug(`.dungeon | Generic dialog adding listeners`);
+
+		html.find(`[data-action]`)
+			.on(`click`, this._handleActionClick.bind(this));
+	};
+
+	_handleActionClick($e) {
+		const data = $e.currentTarget.dataset;
+		if (!this[data.action]) return;
+		this[data.action].bind(this)($e);
+	};
+};