cozy-iiif/dist/helpers/index.js

A developer-friendly collection of abstractions and utilities built on top of @iiif/presentation-3 and @iiif/parser

import { m as e, n as t, p as n, r } from "../core-BHFaVC33.js";
import { t as i } from "../p-throttle-DZE1ty58.js";
//#region src/helpers/fetch-annotations.ts
var a = i({
	limit: 4,
	interval: 1e3
}), o = (e, t) => {
	if (e.items) return Promise.resolve(e.items);
	if (e.partOf) {
		let n = a((e, t = []) => fetch(e).then((e) => e.json()).then((e) => {
			let r = [...t, ...e.items || []];
			return e.next ? n(e.next, r) : r;
		}));
		if (!Array.isArray(e.partOf)) throw Error("Referenced annotation collection is invalid");
		return e.partOf.length === 0 ? (console.warn("Annotation page references 0 collections"), Promise.resolve([])) : e.partOf.reduce((e, t) => e.then((e) => typeof t.first == "string" ? n(t.first).then((t) => [...e, ...t]) : (console.warn("Unsupported `first` arg", t.first), e)), Promise.resolve([])).then((e) => e.filter((e) => s(e, t)));
	} else return fetch(e.id).then((e) => e.json()).then((e) => (e.items || []).filter((e) => s(e, t))).catch((t) => (console.error(t), console.warn(`Could not resolve referenced annotation page: ${e.id}`), []));
}, s = (e, t) => !t || !e.target ? !0 : (Array.isArray(e.target) ? e.target : [e.target]).some((e) => "source" in e ? typeof e.source == "string" ? e.source === t : e.source.id === t : !0), c = (e) => "type" in e && e.type === "AnnotationPage" ? o(e) : e.annotations.reduce((t, n) => t.then((t) => o(n, e.id).then((e) => [...t, ...e])), Promise.resolve([])), l = (i) => {
	let { source: a } = i, o = t(a);
	return {
		source: a,
		id: a.id,
		width: a.width,
		height: a.height,
		images: o,
		annotations: a.annotations || [],
		getImageURL: o.length > 0 ? o[0].getImageURL : () => void 0,
		getLabel: n(a),
		getMetadata: e(a),
		getThumbnailURL: r(a, o)
	};
}, u = [];
for (let e = 0; e < 256; ++e) u.push((e + 256).toString(16).slice(1));
function d(e, t = 0) {
	return (u[e[t + 0]] + u[e[t + 1]] + u[e[t + 2]] + u[e[t + 3]] + "-" + u[e[t + 4]] + u[e[t + 5]] + "-" + u[e[t + 6]] + u[e[t + 7]] + "-" + u[e[t + 8]] + u[e[t + 9]] + "-" + u[e[t + 10]] + u[e[t + 11]] + u[e[t + 12]] + u[e[t + 13]] + u[e[t + 14]] + u[e[t + 15]]).toLowerCase();
}
//#endregion
//#region node_modules/uuid/dist/rng.js
var f = new Uint8Array(16);
function p() {
	return crypto.getRandomValues(f);
}
//#endregion
//#region node_modules/uuid/dist/v4.js
function m(e, t, n) {
	return !t && !e && crypto.randomUUID ? crypto.randomUUID() : h(e, t, n);
}
function h(e, t, n) {
	e ||= {};
	let r = e.random ?? e.rng?.() ?? p();
	if (r.length < 16) throw Error("Random bytes length must be >= 16");
	if (r[6] = r[6] & 15 | 64, r[8] = r[8] & 63 | 128, t) {
		if (n ||= 0, n < 0 || n + 16 > t.length) throw RangeError(`UUID byte range ${n}:${n + 15} is out of buffer bounds`);
		for (let e = 0; e < 16; ++e) t[n + e] = r[e];
		return t;
	}
	return d(r);
}
//#endregion
//#region src/helpers/import-annotations.ts
var g = (e) => e.replace(/[.*+?^${}()|[\]\\]/g, "\\$&"), _ = (e, t) => {
	if (t) {
		let n = e.annotations;
		if (n.length > 0) {
			let r = RegExp(`${g(e.id)}/${g(t)}/page/p(\\d+)$`), i = n.reduce((e, t) => {
				let n = t.id.match(r);
				if (n && n[1]) {
					let t = parseInt(n[1]);
					return Math.max(e, t);
				} else return e;
			}, 1);
			return `${e.id}/${t}/annotations/page/p${i}`;
		} else return `${e.id}/${t}/annotations/page/p1`;
	} else return `${e.id}/annotations/page/${m()}`;
}, v = (e, t, n) => {
	let r = {
		id: _(e, n),
		type: "AnnotationPage",
		items: t
	};
	return {
		source: {
			...e.source,
			annotations: [...e.annotations, r]
		},
		id: e.id,
		width: e.width,
		height: e.height,
		images: [...e.images],
		annotations: [...e.annotations, r],
		getLabel: e.getLabel,
		getMetadata: e.getMetadata,
		getThumbnailURL: e.getThumbnailURL
	};
}, y = (e, t, n) => {
	let r = (e) => {
		let t = e.target;
		if (t) return typeof t == "string" ? t.substring(0, t.indexOf("#")) : t.source;
	}, i = t.reduce((e, t) => {
		let n = r(t);
		return n ? (e[n] || (e[n] = []), e[n].push(t), e) : e;
	}, {}), a = e.canvases.map((e) => {
		let t = i[e.id] || [];
		return t.length > 0 ? v(e, t, n) : e;
	});
	return {
		source: {
			...e.source,
			items: a.map((e) => e.source)
		},
		id: e.id,
		majorVersion: e.majorVersion,
		canvases: a,
		structure: e.structure,
		getLabel: e.getLabel,
		getMetadata: e.getMetadata,
		getTableOfContents: e.getTableOfContents
	};
}, b = (e, t, n) => e.source.type === "Canvas" ? v(e, t, n) : y(e, t, n), x = (e) => {
	let t = e.images[0];
	if (!t) return Promise.resolve(!1);
	let n;
	return n = t.type === "static" ? t.url : t.getImageURL(100), new Promise((e) => {
		let t = new Image(), r = !1;
		t.onload = () => {
			r = !0, e(!0);
		}, t.onerror = () => {
			e(!1);
		}, setTimeout(() => e(r), 5e3), t.crossOrigin = "anonymous", t.src = n;
	});
};
//#endregion
export { c as fetchAnnotations, l as hydrateCanvas, b as importAnnotations, x as testCORS };