From de98e0b232509d5f40c135d540a70e415272ff85 Mon Sep 17 00:00:00 2001
From: Florian Dold <florian.dold@gmail.com>
Date: Wed, 3 May 2017 15:35:00 +0200
Subject: node_modules

---
 .../fbjs/lib/createNodesFromMarkup.js.flow         | 82 ++++++++++++++++++++++
 1 file changed, 82 insertions(+)
 create mode 100644 node_modules/fbjs/lib/createNodesFromMarkup.js.flow

(limited to 'node_modules/fbjs/lib/createNodesFromMarkup.js.flow')

diff --git a/node_modules/fbjs/lib/createNodesFromMarkup.js.flow b/node_modules/fbjs/lib/createNodesFromMarkup.js.flow
new file mode 100644
index 000000000..5d85d9eb5
--- /dev/null
+++ b/node_modules/fbjs/lib/createNodesFromMarkup.js.flow
@@ -0,0 +1,82 @@
+/**
+ * Copyright (c) 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.
+ *
+ * @providesModule createNodesFromMarkup
+ * @typechecks
+ */
+
+/*eslint-disable fb-www/unsafe-html*/
+
+const ExecutionEnvironment = require('./ExecutionEnvironment');
+
+const createArrayFromMixed = require('./createArrayFromMixed');
+const getMarkupWrap = require('./getMarkupWrap');
+const invariant = require('./invariant');
+
+/**
+ * Dummy container used to render all markup.
+ */
+const dummyNode = ExecutionEnvironment.canUseDOM ? document.createElement('div') : null;
+
+/**
+ * Pattern used by `getNodeName`.
+ */
+const nodeNamePattern = /^\s*<(\w+)/;
+
+/**
+ * Extracts the `nodeName` of the first element in a string of markup.
+ *
+ * @param {string} markup String of markup.
+ * @return {?string} Node name of the supplied markup.
+ */
+function getNodeName(markup) {
+  const nodeNameMatch = markup.match(nodeNamePattern);
+  return nodeNameMatch && nodeNameMatch[1].toLowerCase();
+}
+
+/**
+ * Creates an array containing the nodes rendered from the supplied markup. The
+ * optionally supplied `handleScript` function will be invoked once for each
+ * <script> element that is rendered. If no `handleScript` function is supplied,
+ * an exception is thrown if any <script> elements are rendered.
+ *
+ * @param {string} markup A string of valid HTML markup.
+ * @param {?function} handleScript Invoked once for each rendered <script>.
+ * @return {array<DOMElement|DOMTextNode>} An array of rendered nodes.
+ */
+function createNodesFromMarkup(markup, handleScript) {
+  let node = dummyNode;
+  invariant(!!dummyNode, 'createNodesFromMarkup dummy not initialized');
+  const nodeName = getNodeName(markup);
+
+  const wrap = nodeName && getMarkupWrap(nodeName);
+  if (wrap) {
+    node.innerHTML = wrap[1] + markup + wrap[2];
+
+    let wrapDepth = wrap[0];
+    while (wrapDepth--) {
+      node = node.lastChild;
+    }
+  } else {
+    node.innerHTML = markup;
+  }
+
+  const scripts = node.getElementsByTagName('script');
+  if (scripts.length) {
+    invariant(handleScript, 'createNodesFromMarkup(...): Unexpected <script> element rendered.');
+    createArrayFromMixed(scripts).forEach(handleScript);
+  }
+
+  const nodes = Array.from(node.childNodes);
+  while (node.lastChild) {
+    node.removeChild(node.lastChild);
+  }
+  return nodes;
+}
+
+module.exports = createNodesFromMarkup;
\ No newline at end of file
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