node_modules

1 files changed, 333 insertions, 0 deletions

diff --git a/node_modules/react/lib/ReactComponentTreeHook.js b/node_modules/react/lib/ReactComponentTreeHook.js
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+++ b/node_modules/react/lib/ReactComponentTreeHook.js
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+/**
+ * Copyright 2016-present, Facebook, Inc.
+ * All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ *
+ * 
+ */
+
+'use strict';
+
+var _prodInvariant = require('./reactProdInvariant');
+
+var ReactCurrentOwner = require('./ReactCurrentOwner');
+
+var invariant = require('fbjs/lib/invariant');
+var warning = require('fbjs/lib/warning');
+
+function isNative(fn) {
+  // Based on isNative() from Lodash
+  var funcToString = Function.prototype.toString;
+  var hasOwnProperty = Object.prototype.hasOwnProperty;
+  var reIsNative = RegExp('^' + funcToString
+  // Take an example native function source for comparison
+  .call(hasOwnProperty)
+  // Strip regex characters so we can use it for regex
+  .replace(/[\\^$.*+?()[\]{}|]/g, '\\$&')
+  // Remove hasOwnProperty from the template to make it generic
+  .replace(/hasOwnProperty|(function).*?(?=\\\()| for .+?(?=\\\])/g, '$1.*?') + '$');
+  try {
+    var source = funcToString.call(fn);
+    return reIsNative.test(source);
+  } catch (err) {
+    return false;
+  }
+}
+
+var canUseCollections =
+// Array.from
+typeof Array.from === 'function' &&
+// Map
+typeof Map === 'function' && isNative(Map) &&
+// Map.prototype.keys
+Map.prototype != null && typeof Map.prototype.keys === 'function' && isNative(Map.prototype.keys) &&
+// Set
+typeof Set === 'function' && isNative(Set) &&
+// Set.prototype.keys
+Set.prototype != null && typeof Set.prototype.keys === 'function' && isNative(Set.prototype.keys);
+
+var setItem;
+var getItem;
+var removeItem;
+var getItemIDs;
+var addRoot;
+var removeRoot;
+var getRootIDs;
+
+if (canUseCollections) {
+  var itemMap = new Map();
+  var rootIDSet = new Set();
+
+  setItem = function (id, item) {
+    itemMap.set(id, item);
+  };
+  getItem = function (id) {
+    return itemMap.get(id);
+  };
+  removeItem = function (id) {
+    itemMap['delete'](id);
+  };
+  getItemIDs = function () {
+    return Array.from(itemMap.keys());
+  };
+
+  addRoot = function (id) {
+    rootIDSet.add(id);
+  };
+  removeRoot = function (id) {
+    rootIDSet['delete'](id);
+  };
+  getRootIDs = function () {
+    return Array.from(rootIDSet.keys());
+  };
+} else {
+  var itemByKey = {};
+  var rootByKey = {};
+
+  // Use non-numeric keys to prevent V8 performance issues:
+  // https://github.com/facebook/react/pull/7232
+  var getKeyFromID = function (id) {
+    return '.' + id;
+  };
+  var getIDFromKey = function (key) {
+    return parseInt(key.substr(1), 10);
+  };
+
+  setItem = function (id, item) {
+    var key = getKeyFromID(id);
+    itemByKey[key] = item;
+  };
+  getItem = function (id) {
+    var key = getKeyFromID(id);
+    return itemByKey[key];
+  };
+  removeItem = function (id) {
+    var key = getKeyFromID(id);
+    delete itemByKey[key];
+  };
+  getItemIDs = function () {
+    return Object.keys(itemByKey).map(getIDFromKey);
+  };
+
+  addRoot = function (id) {
+    var key = getKeyFromID(id);
+    rootByKey[key] = true;
+  };
+  removeRoot = function (id) {
+    var key = getKeyFromID(id);
+    delete rootByKey[key];
+  };
+  getRootIDs = function () {
+    return Object.keys(rootByKey).map(getIDFromKey);
+  };
+}
+
+var unmountedIDs = [];
+
+function purgeDeep(id) {
+  var item = getItem(id);
+  if (item) {
+    var childIDs = item.childIDs;
+
+    removeItem(id);
+    childIDs.forEach(purgeDeep);
+  }
+}
+
+function describeComponentFrame(name, source, ownerName) {
+  return '\n    in ' + (name || 'Unknown') + (source ? ' (at ' + source.fileName.replace(/^.*[\\\/]/, '') + ':' + source.lineNumber + ')' : ownerName ? ' (created by ' + ownerName + ')' : '');
+}
+
+function getDisplayName(element) {
+  if (element == null) {
+    return '#empty';
+  } else if (typeof element === 'string' || typeof element === 'number') {
+    return '#text';
+  } else if (typeof element.type === 'string') {
+    return element.type;
+  } else {
+    return element.type.displayName || element.type.name || 'Unknown';
+  }
+}
+
+function describeID(id) {
+  var name = ReactComponentTreeHook.getDisplayName(id);
+  var element = ReactComponentTreeHook.getElement(id);
+  var ownerID = ReactComponentTreeHook.getOwnerID(id);
+  var ownerName;
+  if (ownerID) {
+    ownerName = ReactComponentTreeHook.getDisplayName(ownerID);
+  }
+  process.env.NODE_ENV !== 'production' ? warning(element, 'ReactComponentTreeHook: Missing React element for debugID %s when ' + 'building stack', id) : void 0;
+  return describeComponentFrame(name, element && element._source, ownerName);
+}
+
+var ReactComponentTreeHook = {
+  onSetChildren: function (id, nextChildIDs) {
+    var item = getItem(id);
+    !item ? process.env.NODE_ENV !== 'production' ? invariant(false, 'Item must have been set') : _prodInvariant('144') : void 0;
+    item.childIDs = nextChildIDs;
+
+    for (var i = 0; i < nextChildIDs.length; i++) {
+      var nextChildID = nextChildIDs[i];
+      var nextChild = getItem(nextChildID);
+      !nextChild ? process.env.NODE_ENV !== 'production' ? invariant(false, 'Expected hook events to fire for the child before its parent includes it in onSetChildren().') : _prodInvariant('140') : void 0;
+      !(nextChild.childIDs != null || typeof nextChild.element !== 'object' || nextChild.element == null) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'Expected onSetChildren() to fire for a container child before its parent includes it in onSetChildren().') : _prodInvariant('141') : void 0;
+      !nextChild.isMounted ? process.env.NODE_ENV !== 'production' ? invariant(false, 'Expected onMountComponent() to fire for the child before its parent includes it in onSetChildren().') : _prodInvariant('71') : void 0;
+      if (nextChild.parentID == null) {
+        nextChild.parentID = id;
+        // TODO: This shouldn't be necessary but mounting a new root during in
+        // componentWillMount currently causes not-yet-mounted components to
+        // be purged from our tree data so their parent id is missing.
+      }
+      !(nextChild.parentID === id) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'Expected onBeforeMountComponent() parent and onSetChildren() to be consistent (%s has parents %s and %s).', nextChildID, nextChild.parentID, id) : _prodInvariant('142', nextChildID, nextChild.parentID, id) : void 0;
+    }
+  },
+  onBeforeMountComponent: function (id, element, parentID) {
+    var item = {
+      element: element,
+      parentID: parentID,
+      text: null,
+      childIDs: [],
+      isMounted: false,
+      updateCount: 0
+    };
+    setItem(id, item);
+  },
+  onBeforeUpdateComponent: function (id, element) {
+    var item = getItem(id);
+    if (!item || !item.isMounted) {
+      // We may end up here as a result of setState() in componentWillUnmount().
+      // In this case, ignore the element.
+      return;
+    }
+    item.element = element;
+  },
+  onMountComponent: function (id) {
+    var item = getItem(id);
+    !item ? process.env.NODE_ENV !== 'production' ? invariant(false, 'Item must have been set') : _prodInvariant('144') : void 0;
+    item.isMounted = true;
+    var isRoot = item.parentID === 0;
+    if (isRoot) {
+      addRoot(id);
+    }
+  },
+  onUpdateComponent: function (id) {
+    var item = getItem(id);
+    if (!item || !item.isMounted) {
+      // We may end up here as a result of setState() in componentWillUnmount().
+      // In this case, ignore the element.
+      return;
+    }
+    item.updateCount++;
+  },
+  onUnmountComponent: function (id) {
+    var item = getItem(id);
+    if (item) {
+      // We need to check if it exists.
+      // `item` might not exist if it is inside an error boundary, and a sibling
+      // error boundary child threw while mounting. Then this instance never
+      // got a chance to mount, but it still gets an unmounting event during
+      // the error boundary cleanup.
+      item.isMounted = false;
+      var isRoot = item.parentID === 0;
+      if (isRoot) {
+        removeRoot(id);
+      }
+    }
+    unmountedIDs.push(id);
+  },
+  purgeUnmountedComponents: function () {
+    if (ReactComponentTreeHook._preventPurging) {
+      // Should only be used for testing.
+      return;
+    }
+
+    for (var i = 0; i < unmountedIDs.length; i++) {
+      var id = unmountedIDs[i];
+      purgeDeep(id);
+    }
+    unmountedIDs.length = 0;
+  },
+  isMounted: function (id) {
+    var item = getItem(id);
+    return item ? item.isMounted : false;
+  },
+  getCurrentStackAddendum: function (topElement) {
+    var info = '';
+    if (topElement) {
+      var name = getDisplayName(topElement);
+      var owner = topElement._owner;
+      info += describeComponentFrame(name, topElement._source, owner && owner.getName());
+    }
+
+    var currentOwner = ReactCurrentOwner.current;
+    var id = currentOwner && currentOwner._debugID;
+
+    info += ReactComponentTreeHook.getStackAddendumByID(id);
+    return info;
+  },
+  getStackAddendumByID: function (id) {
+    var info = '';
+    while (id) {
+      info += describeID(id);
+      id = ReactComponentTreeHook.getParentID(id);
+    }
+    return info;
+  },
+  getChildIDs: function (id) {
+    var item = getItem(id);
+    return item ? item.childIDs : [];
+  },
+  getDisplayName: function (id) {
+    var element = ReactComponentTreeHook.getElement(id);
+    if (!element) {
+      return null;
+    }
+    return getDisplayName(element);
+  },
+  getElement: function (id) {
+    var item = getItem(id);
+    return item ? item.element : null;
+  },
+  getOwnerID: function (id) {
+    var element = ReactComponentTreeHook.getElement(id);
+    if (!element || !element._owner) {
+      return null;
+    }
+    return element._owner._debugID;
+  },
+  getParentID: function (id) {
+    var item = getItem(id);
+    return item ? item.parentID : null;
+  },
+  getSource: function (id) {
+    var item = getItem(id);
+    var element = item ? item.element : null;
+    var source = element != null ? element._source : null;
+    return source;
+  },
+  getText: function (id) {
+    var element = ReactComponentTreeHook.getElement(id);
+    if (typeof element === 'string') {
+      return element;
+    } else if (typeof element === 'number') {
+      return '' + element;
+    } else {
+      return null;
+    }
+  },
+  getUpdateCount: function (id) {
+    var item = getItem(id);
+    return item ? item.updateCount : 0;
+  },
+
+
+  getRootIDs: getRootIDs,
+  getRegisteredIDs: getItemIDs
+};
+
+module.exports = ReactComponentTreeHook;
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