0.2.0 - Mid migration

web/node_modules/react-transition-group/esm/utils/ChildMapping.js

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+import { Children, cloneElement, isValidElement } from 'react';
+/**
+ * Given `this.props.children`, return an object mapping key to child.
+ *
+ * @param {*} children `this.props.children`
+ * @return {object} Mapping of key to child
+ */
+
+export function getChildMapping(children, mapFn) {
+  var mapper = function mapper(child) {
+    return mapFn && isValidElement(child) ? mapFn(child) : child;
+  };
+
+  var result = Object.create(null);
+  if (children) Children.map(children, function (c) {
+    return c;
+  }).forEach(function (child) {
+    // run the map function here instead so that the key is the computed one
+    result[child.key] = mapper(child);
+  });
+  return result;
+}
+/**
+ * When you're adding or removing children some may be added or removed in the
+ * same render pass. We want to show *both* since we want to simultaneously
+ * animate elements in and out. This function takes a previous set of keys
+ * and a new set of keys and merges them with its best guess of the correct
+ * ordering. In the future we may expose some of the utilities in
+ * ReactMultiChild to make this easy, but for now React itself does not
+ * directly have this concept of the union of prevChildren and nextChildren
+ * so we implement it here.
+ *
+ * @param {object} prev prev children as returned from
+ * `ReactTransitionChildMapping.getChildMapping()`.
+ * @param {object} next next children as returned from
+ * `ReactTransitionChildMapping.getChildMapping()`.
+ * @return {object} a key set that contains all keys in `prev` and all keys
+ * in `next` in a reasonable order.
+ */
+
+export function mergeChildMappings(prev, next) {
+  prev = prev || {};
+  next = next || {};
+
+  function getValueForKey(key) {
+    return key in next ? next[key] : prev[key];
+  } // For each key of `next`, the list of keys to insert before that key in
+  // the combined list
+
+
+  var nextKeysPending = Object.create(null);
+  var pendingKeys = [];
+
+  for (var prevKey in prev) {
+    if (prevKey in next) {
+      if (pendingKeys.length) {
+        nextKeysPending[prevKey] = pendingKeys;
+        pendingKeys = [];
+      }
+    } else {
+      pendingKeys.push(prevKey);
+    }
+  }
+
+  var i;
+  var childMapping = {};
+
+  for (var nextKey in next) {
+    if (nextKeysPending[nextKey]) {
+      for (i = 0; i < nextKeysPending[nextKey].length; i++) {
+        var pendingNextKey = nextKeysPending[nextKey][i];
+        childMapping[nextKeysPending[nextKey][i]] = getValueForKey(pendingNextKey);
+      }
+    }
+
+    childMapping[nextKey] = getValueForKey(nextKey);
+  } // Finally, add the keys which didn't appear before any key in `next`
+
+
+  for (i = 0; i < pendingKeys.length; i++) {
+    childMapping[pendingKeys[i]] = getValueForKey(pendingKeys[i]);
+  }
+
+  return childMapping;
+}
+
+function getProp(child, prop, props) {
+  return props[prop] != null ? props[prop] : child.props[prop];
+}
+
+export function getInitialChildMapping(props, onExited) {
+  return getChildMapping(props.children, function (child) {
+    return cloneElement(child, {
+      onExited: onExited.bind(null, child),
+      in: true,
+      appear: getProp(child, 'appear', props),
+      enter: getProp(child, 'enter', props),
+      exit: getProp(child, 'exit', props)
+    });
+  });
+}
+export function getNextChildMapping(nextProps, prevChildMapping, onExited) {
+  var nextChildMapping = getChildMapping(nextProps.children);
+  var children = mergeChildMappings(prevChildMapping, nextChildMapping);
+  Object.keys(children).forEach(function (key) {
+    var child = children[key];
+    if (!isValidElement(child)) return;
+    var hasPrev = (key in prevChildMapping);
+    var hasNext = (key in nextChildMapping);
+    var prevChild = prevChildMapping[key];
+    var isLeaving = isValidElement(prevChild) && !prevChild.props.in; // item is new (entering)
+
+    if (hasNext && (!hasPrev || isLeaving)) {
+      // console.log('entering', key)
+      children[key] = cloneElement(child, {
+        onExited: onExited.bind(null, child),
+        in: true,
+        exit: getProp(child, 'exit', nextProps),
+        enter: getProp(child, 'enter', nextProps)
+      });
+    } else if (!hasNext && hasPrev && !isLeaving) {
+      // item is old (exiting)
+      // console.log('leaving', key)
+      children[key] = cloneElement(child, {
+        in: false
+      });
+    } else if (hasNext && hasPrev && isValidElement(prevChild)) {
+      // item hasn't changed transition states
+      // copy over the last transition props;
+      // console.log('unchanged', key)
+      children[key] = cloneElement(child, {
+        onExited: onExited.bind(null, child),
+        in: prevChild.props.in,
+        exit: getProp(child, 'exit', nextProps),
+        enter: getProp(child, 'enter', nextProps)
+      });
+    }
+  });
+  return children;
+}

web/node_modules/react-transition-group/esm/utils/PropTypes.js

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+import PropTypes from 'prop-types';
+export var timeoutsShape = process.env.NODE_ENV !== 'production' ? PropTypes.oneOfType([PropTypes.number, PropTypes.shape({
+  enter: PropTypes.number,
+  exit: PropTypes.number,
+  appear: PropTypes.number
+}).isRequired]) : null;
+export var classNamesShape = process.env.NODE_ENV !== 'production' ? PropTypes.oneOfType([PropTypes.string, PropTypes.shape({
+  enter: PropTypes.string,
+  exit: PropTypes.string,
+  active: PropTypes.string
+}), PropTypes.shape({
+  enter: PropTypes.string,
+  enterDone: PropTypes.string,
+  enterActive: PropTypes.string,
+  exit: PropTypes.string,
+  exitDone: PropTypes.string,
+  exitActive: PropTypes.string
+})]) : null;

web/node_modules/react-transition-group/esm/utils/SimpleSet.js

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+var SimpleSet = /*#__PURE__*/function () {
+  function SimpleSet() {
+    this.v = [];
+  }
+
+  var _proto = SimpleSet.prototype;
+
+  _proto.clear = function clear() {
+    this.v.length = 0;
+  };
+
+  _proto.has = function has(k) {
+    return this.v.indexOf(k) !== -1;
+  };
+
+  _proto.add = function add(k) {
+    if (this.has(k)) return;
+    this.v.push(k);
+  };
+
+  _proto.delete = function _delete(k) {
+    var idx = this.v.indexOf(k);
+    if (idx === -1) return false;
+    this.v.splice(idx, 1);
+    return true;
+  };
+
+  return SimpleSet;
+}();
+
+export { SimpleSet as default };