78 lines
3.2 KiB
JavaScript
78 lines
3.2 KiB
JavaScript
"use strict";
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var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
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var _typeof = require("@babel/runtime/helpers/typeof");
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.default = usePreviewItems;
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var _toConsumableArray2 = _interopRequireDefault(require("@babel/runtime/helpers/toConsumableArray"));
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var _defineProperty2 = _interopRequireDefault(require("@babel/runtime/helpers/defineProperty"));
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var _objectSpread3 = _interopRequireDefault(require("@babel/runtime/helpers/objectSpread2"));
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var _slicedToArray2 = _interopRequireDefault(require("@babel/runtime/helpers/slicedToArray"));
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var React = _interopRequireWildcard(require("react"));
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var _common = require("../common");
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function _getRequireWildcardCache(e) { if ("function" != typeof WeakMap) return null; var r = new WeakMap(), t = new WeakMap(); return (_getRequireWildcardCache = function _getRequireWildcardCache(e) { return e ? t : r; })(e); }
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function _interopRequireWildcard(e, r) { if (!r && e && e.__esModule) return e; if (null === e || "object" != _typeof(e) && "function" != typeof e) return { default: e }; var t = _getRequireWildcardCache(r); if (t && t.has(e)) return t.get(e); var n = { __proto__: null }, a = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var u in e) if ("default" !== u && Object.prototype.hasOwnProperty.call(e, u)) { var i = a ? Object.getOwnPropertyDescriptor(e, u) : null; i && (i.get || i.set) ? Object.defineProperty(n, u, i) : n[u] = e[u]; } return n.default = e, t && t.set(e, n), n; }
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/**
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* Merge props provided `items` or context collected images
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*/
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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 = (0, _slicedToArray2.default)(_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 (0, _objectSpread3.default)((0, _objectSpread3.default)({}, imgs), {}, (0, _defineProperty2.default)({}, 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 = (0, _objectSpread3.default)({}, 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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// use `items` first
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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((0, _toConsumableArray2.default)(_common.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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// use registered images secondly
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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, !!items];
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} |