65 lines
1.9 KiB
JavaScript
65 lines
1.9 KiB
JavaScript
import _toConsumableArray from "@babel/runtime/helpers/esm/toConsumableArray";
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import _defineProperty from "@babel/runtime/helpers/esm/defineProperty";
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import _objectSpread from "@babel/runtime/helpers/esm/objectSpread2";
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import _slicedToArray from "@babel/runtime/helpers/esm/slicedToArray";
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import * as React from 'react';
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import { COMMON_PROPS } from "../common";
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/**
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* Merge props provided `items` or context collected images
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*/
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export default function usePreviewItems(items) {
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// Context collection image data
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var _React$useState = React.useState({}),
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_React$useState2 = _slicedToArray(_React$useState, 2),
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images = _React$useState2[0],
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setImages = _React$useState2[1];
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var registerImage = React.useCallback(function (id, data) {
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setImages(function (imgs) {
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return _objectSpread(_objectSpread({}, imgs), {}, _defineProperty({}, id, data));
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});
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return function () {
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setImages(function (imgs) {
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var cloneImgs = _objectSpread({}, imgs);
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delete cloneImgs[id];
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return cloneImgs;
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});
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};
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}, []);
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// items
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var mergedItems = React.useMemo(function () {
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if (items) {
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return items.map(function (item) {
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if (typeof item === 'string') {
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return {
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data: {
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src: item
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}
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};
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}
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var data = {};
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Object.keys(item).forEach(function (key) {
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if (['src'].concat(_toConsumableArray(COMMON_PROPS)).includes(key)) {
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data[key] = item[key];
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}
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});
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return {
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data: data
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};
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});
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}
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return Object.keys(images).reduce(function (total, id) {
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var _images$id = images[id],
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canPreview = _images$id.canPreview,
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data = _images$id.data;
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if (canPreview) {
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total.push({
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data: data,
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id: id
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});
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}
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return total;
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}, []);
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}, [items, images]);
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return [mergedItems, registerImage];
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} |