v1.198.1

js/maps-util.js

@@ -0,0 +1,63 @@
+"use strict";
+
+class MapsUtil {
+	static _IMAGE_TYPES = new Set(["map", "mapPlayer"]);
+
+	static getImageData ({prop, head, body}) {
+		if (!head || !body) throw new Error(`Both a "head" and a "body" must be specified!`);
+
+		const walker = MiscUtil.getWalker({keyBlocklist: MiscUtil.GENERIC_WALKER_ENTRIES_KEY_BLOCKLIST, isNoModification: true});
+
+		const out = [];
+
+		const len = Math.min(head.contents.length, body.length);
+		for (let i = 0; i < len; ++i) {
+			const contentsItem = head.contents[i];
+			const chapter = body[i];
+
+			const outChapter = {
+				name: `${Parser.bookOrdinalToAbv(contentsItem.ordinal)}${contentsItem.name}`,
+				ix: i,
+				images: [],
+			};
+
+			walker.walk(
+				chapter,
+				{
+					object: (obj) => {
+						if (
+							obj.type !== "image"
+							|| !this._IMAGE_TYPES.has(obj.imageType)
+						) return obj;
+
+						if (obj.mapRegions) {
+							const page = prop === "adventure" ? UrlUtil.PG_ADVENTURE : UrlUtil.PG_BOOK;
+							obj = MiscUtil.copyFast(obj);
+							obj.page = page;
+							obj.source = head.source;
+							obj.hash = UrlUtil.URL_TO_HASH_BUILDER[page](head);
+						}
+
+						outChapter.images.push(obj);
+					},
+				},
+			);
+
+			if (outChapter.images.length) out.push(outChapter);
+		}
+
+		return out.length
+			? {
+				[head.id]: {
+					id: head.id,
+					source: head.source,
+					prop,
+					parentSource: head.parentSource,
+					chapters: out,
+				},
+			}
+			: null;
+	}
+}
+
+globalThis.MapsUtil = MapsUtil;