react-photoswipe-gallery/dist/helpers/get-slides-and-index-from-data-source.js

React component wrapper around PhotoSwipe

var __rest = this && this.__rest || function (s, e) {
  var t = {};
  for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0) t[p] = s[p];
  if (s != null && typeof Object.getOwnPropertySymbols === "function") for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {
    if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i])) t[p[i]] = s[p[i]];
  }
  return t;
};
import itemToSlide from "./item-to-slide.js";
import { NoSourceIdError } from "../no-source-id-error.js";
const getSlidesAndIndexFromDataSource = (dataSource, items, targetRef, targetId, itemIndex) => {
  const itemsWithRefsMap = Array.from(items.current).reduce((acc, [ref, {
    sourceId
  }]) => {
    if (sourceId === undefined) {
      throw new NoSourceIdError('sourceId is missed on Item component');
    }
    acc.set(sourceId, ref);
    return acc;
  }, new Map());
  const {
    slides,
    index
  } = dataSource.reduce((acc, dataSourceItem, i) => {
    const {
        sourceId
      } = dataSourceItem,
      rest = __rest(dataSourceItem, ["sourceId"]);
    if (sourceId === undefined) {
      throw new NoSourceIdError('sourceId is missed in dataSource item');
    }
    const elementRef = itemsWithRefsMap.has(sourceId) ? itemsWithRefsMap.get(sourceId) : undefined;
    if (targetRef === elementRef || rest.id !== undefined && String(rest.id) === targetId) {
      acc.index = i;
    }
    acc.slides.push(itemToSlide(rest, elementRef));
    return acc;
  }, {
    slides: [],
    index: itemIndex || null
  });
  return {
    slides,
    index
  };
};
export default getSlidesAndIndexFromDataSource;