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Diffstat (limited to 'node_modules/react/lib/ReactComponentTreeHook.js')
| -rw-r--r-- | node_modules/react/lib/ReactComponentTreeHook.js | 378 |
1 files changed, 0 insertions, 378 deletions
diff --git a/node_modules/react/lib/ReactComponentTreeHook.js b/node_modules/react/lib/ReactComponentTreeHook.js deleted file mode 100644 index 55eec6432..000000000 --- a/node_modules/react/lib/ReactComponentTreeHook.js +++ /dev/null @@ -1,378 +0,0 @@ -/** - * 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, - - pushNonStandardWarningStack: function (isCreatingElement, currentSource) { - if (typeof console.reactStack !== 'function') { - return; - } - - var stack = []; - var currentOwner = ReactCurrentOwner.current; - var id = currentOwner && currentOwner._debugID; - - try { - if (isCreatingElement) { - stack.push({ - name: id ? ReactComponentTreeHook.getDisplayName(id) : null, - fileName: currentSource ? currentSource.fileName : null, - lineNumber: currentSource ? currentSource.lineNumber : null - }); - } - - while (id) { - var element = ReactComponentTreeHook.getElement(id); - var parentID = ReactComponentTreeHook.getParentID(id); - var ownerID = ReactComponentTreeHook.getOwnerID(id); - var ownerName = ownerID ? ReactComponentTreeHook.getDisplayName(ownerID) : null; - var source = element && element._source; - stack.push({ - name: ownerName, - fileName: source ? source.fileName : null, - lineNumber: source ? source.lineNumber : null - }); - id = parentID; - } - } catch (err) { - // Internal state is messed up. - // Stop building the stack (it's just a nice to have). - } - - console.reactStack(stack); - }, - popNonStandardWarningStack: function () { - if (typeof console.reactStackEnd !== 'function') { - return; - } - console.reactStackEnd(); - } -}; - -module.exports = ReactComponentTreeHook;
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