node_modules

1 files changed, 224 insertions, 0 deletions

diff --git a/node_modules/react-dom/lib/DOMChildrenOperations.js b/node_modules/react-dom/lib/DOMChildrenOperations.js
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+/**
+ * Copyright 2013-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 DOMLazyTree = require('./DOMLazyTree');
+var Danger = require('./Danger');
+var ReactDOMComponentTree = require('./ReactDOMComponentTree');
+var ReactInstrumentation = require('./ReactInstrumentation');
+
+var createMicrosoftUnsafeLocalFunction = require('./createMicrosoftUnsafeLocalFunction');
+var setInnerHTML = require('./setInnerHTML');
+var setTextContent = require('./setTextContent');
+
+function getNodeAfter(parentNode, node) {
+  // Special case for text components, which return [open, close] comments
+  // from getHostNode.
+  if (Array.isArray(node)) {
+    node = node[1];
+  }
+  return node ? node.nextSibling : parentNode.firstChild;
+}
+
+/**
+ * Inserts `childNode` as a child of `parentNode` at the `index`.
+ *
+ * @param {DOMElement} parentNode Parent node in which to insert.
+ * @param {DOMElement} childNode Child node to insert.
+ * @param {number} index Index at which to insert the child.
+ * @internal
+ */
+var insertChildAt = createMicrosoftUnsafeLocalFunction(function (parentNode, childNode, referenceNode) {
+  // We rely exclusively on `insertBefore(node, null)` instead of also using
+  // `appendChild(node)`. (Using `undefined` is not allowed by all browsers so
+  // we are careful to use `null`.)
+  parentNode.insertBefore(childNode, referenceNode);
+});
+
+function insertLazyTreeChildAt(parentNode, childTree, referenceNode) {
+  DOMLazyTree.insertTreeBefore(parentNode, childTree, referenceNode);
+}
+
+function moveChild(parentNode, childNode, referenceNode) {
+  if (Array.isArray(childNode)) {
+    moveDelimitedText(parentNode, childNode[0], childNode[1], referenceNode);
+  } else {
+    insertChildAt(parentNode, childNode, referenceNode);
+  }
+}
+
+function removeChild(parentNode, childNode) {
+  if (Array.isArray(childNode)) {
+    var closingComment = childNode[1];
+    childNode = childNode[0];
+    removeDelimitedText(parentNode, childNode, closingComment);
+    parentNode.removeChild(closingComment);
+  }
+  parentNode.removeChild(childNode);
+}
+
+function moveDelimitedText(parentNode, openingComment, closingComment, referenceNode) {
+  var node = openingComment;
+  while (true) {
+    var nextNode = node.nextSibling;
+    insertChildAt(parentNode, node, referenceNode);
+    if (node === closingComment) {
+      break;
+    }
+    node = nextNode;
+  }
+}
+
+function removeDelimitedText(parentNode, startNode, closingComment) {
+  while (true) {
+    var node = startNode.nextSibling;
+    if (node === closingComment) {
+      // The closing comment is removed by ReactMultiChild.
+      break;
+    } else {
+      parentNode.removeChild(node);
+    }
+  }
+}
+
+function replaceDelimitedText(openingComment, closingComment, stringText) {
+  var parentNode = openingComment.parentNode;
+  var nodeAfterComment = openingComment.nextSibling;
+  if (nodeAfterComment === closingComment) {
+    // There are no text nodes between the opening and closing comments; insert
+    // a new one if stringText isn't empty.
+    if (stringText) {
+      insertChildAt(parentNode, document.createTextNode(stringText), nodeAfterComment);
+    }
+  } else {
+    if (stringText) {
+      // Set the text content of the first node after the opening comment, and
+      // remove all following nodes up until the closing comment.
+      setTextContent(nodeAfterComment, stringText);
+      removeDelimitedText(parentNode, nodeAfterComment, closingComment);
+    } else {
+      removeDelimitedText(parentNode, openingComment, closingComment);
+    }
+  }
+
+  if (process.env.NODE_ENV !== 'production') {
+    ReactInstrumentation.debugTool.onHostOperation({
+      instanceID: ReactDOMComponentTree.getInstanceFromNode(openingComment)._debugID,
+      type: 'replace text',
+      payload: stringText
+    });
+  }
+}
+
+var dangerouslyReplaceNodeWithMarkup = Danger.dangerouslyReplaceNodeWithMarkup;
+if (process.env.NODE_ENV !== 'production') {
+  dangerouslyReplaceNodeWithMarkup = function (oldChild, markup, prevInstance) {
+    Danger.dangerouslyReplaceNodeWithMarkup(oldChild, markup);
+    if (prevInstance._debugID !== 0) {
+      ReactInstrumentation.debugTool.onHostOperation({
+        instanceID: prevInstance._debugID,
+        type: 'replace with',
+        payload: markup.toString()
+      });
+    } else {
+      var nextInstance = ReactDOMComponentTree.getInstanceFromNode(markup.node);
+      if (nextInstance._debugID !== 0) {
+        ReactInstrumentation.debugTool.onHostOperation({
+          instanceID: nextInstance._debugID,
+          type: 'mount',
+          payload: markup.toString()
+        });
+      }
+    }
+  };
+}
+
+/**
+ * Operations for updating with DOM children.
+ */
+var DOMChildrenOperations = {
+
+  dangerouslyReplaceNodeWithMarkup: dangerouslyReplaceNodeWithMarkup,
+
+  replaceDelimitedText: replaceDelimitedText,
+
+  /**
+   * Updates a component's children by processing a series of updates. The
+   * update configurations are each expected to have a `parentNode` property.
+   *
+   * @param {array<object>} updates List of update configurations.
+   * @internal
+   */
+  processUpdates: function (parentNode, updates) {
+    if (process.env.NODE_ENV !== 'production') {
+      var parentNodeDebugID = ReactDOMComponentTree.getInstanceFromNode(parentNode)._debugID;
+    }
+
+    for (var k = 0; k < updates.length; k++) {
+      var update = updates[k];
+      switch (update.type) {
+        case 'INSERT_MARKUP':
+          insertLazyTreeChildAt(parentNode, update.content, getNodeAfter(parentNode, update.afterNode));
+          if (process.env.NODE_ENV !== 'production') {
+            ReactInstrumentation.debugTool.onHostOperation({
+              instanceID: parentNodeDebugID,
+              type: 'insert child',
+              payload: { toIndex: update.toIndex, content: update.content.toString() }
+            });
+          }
+          break;
+        case 'MOVE_EXISTING':
+          moveChild(parentNode, update.fromNode, getNodeAfter(parentNode, update.afterNode));
+          if (process.env.NODE_ENV !== 'production') {
+            ReactInstrumentation.debugTool.onHostOperation({
+              instanceID: parentNodeDebugID,
+              type: 'move child',
+              payload: { fromIndex: update.fromIndex, toIndex: update.toIndex }
+            });
+          }
+          break;
+        case 'SET_MARKUP':
+          setInnerHTML(parentNode, update.content);
+          if (process.env.NODE_ENV !== 'production') {
+            ReactInstrumentation.debugTool.onHostOperation({
+              instanceID: parentNodeDebugID,
+              type: 'replace children',
+              payload: update.content.toString()
+            });
+          }
+          break;
+        case 'TEXT_CONTENT':
+          setTextContent(parentNode, update.content);
+          if (process.env.NODE_ENV !== 'production') {
+            ReactInstrumentation.debugTool.onHostOperation({
+              instanceID: parentNodeDebugID,
+              type: 'replace text',
+              payload: update.content.toString()
+            });
+          }
+          break;
+        case 'REMOVE_NODE':
+          removeChild(parentNode, update.fromNode);
+          if (process.env.NODE_ENV !== 'production') {
+            ReactInstrumentation.debugTool.onHostOperation({
+              instanceID: parentNodeDebugID,
+              type: 'remove child',
+              payload: { fromIndex: update.fromIndex }
+            });
+          }
+          break;
+      }
+    }
+  }
+
+};
+
+module.exports = DOMChildrenOperations;
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