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frontend/node_modules/rc-image/es/hooks/usePreviewItems.js

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