node_modules

1 files changed, 122 insertions, 0 deletions

diff --git a/node_modules/react-dom/lib/ReactDOMOption.js b/node_modules/react-dom/lib/ReactDOMOption.js
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index 000000000..4846e9d51
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+++ b/node_modules/react-dom/lib/ReactDOMOption.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 _assign = require('object-assign');
+
+var React = require('react/lib/React');
+var ReactDOMComponentTree = require('./ReactDOMComponentTree');
+var ReactDOMSelect = require('./ReactDOMSelect');
+
+var warning = require('fbjs/lib/warning');
+var didWarnInvalidOptionChildren = false;
+
+function flattenChildren(children) {
+  var content = '';
+
+  // Flatten children and warn if they aren't strings or numbers;
+  // invalid types are ignored.
+  React.Children.forEach(children, function (child) {
+    if (child == null) {
+      return;
+    }
+    if (typeof child === 'string' || typeof child === 'number') {
+      content += child;
+    } else if (!didWarnInvalidOptionChildren) {
+      didWarnInvalidOptionChildren = true;
+      process.env.NODE_ENV !== 'production' ? warning(false, 'Only strings and numbers are supported as <option> children.') : void 0;
+    }
+  });
+
+  return content;
+}
+
+/**
+ * Implements an <option> host component that warns when `selected` is set.
+ */
+var ReactDOMOption = {
+  mountWrapper: function (inst, props, hostParent) {
+    // TODO (yungsters): Remove support for `selected` in <option>.
+    if (process.env.NODE_ENV !== 'production') {
+      process.env.NODE_ENV !== 'production' ? warning(props.selected == null, 'Use the `defaultValue` or `value` props on <select> instead of ' + 'setting `selected` on <option>.') : void 0;
+    }
+
+    // Look up whether this option is 'selected'
+    var selectValue = null;
+    if (hostParent != null) {
+      var selectParent = hostParent;
+
+      if (selectParent._tag === 'optgroup') {
+        selectParent = selectParent._hostParent;
+      }
+
+      if (selectParent != null && selectParent._tag === 'select') {
+        selectValue = ReactDOMSelect.getSelectValueContext(selectParent);
+      }
+    }
+
+    // If the value is null (e.g., no specified value or after initial mount)
+    // or missing (e.g., for <datalist>), we don't change props.selected
+    var selected = null;
+    if (selectValue != null) {
+      var value;
+      if (props.value != null) {
+        value = props.value + '';
+      } else {
+        value = flattenChildren(props.children);
+      }
+      selected = false;
+      if (Array.isArray(selectValue)) {
+        // multiple
+        for (var i = 0; i < selectValue.length; i++) {
+          if ('' + selectValue[i] === value) {
+            selected = true;
+            break;
+          }
+        }
+      } else {
+        selected = '' + selectValue === value;
+      }
+    }
+
+    inst._wrapperState = { selected: selected };
+  },
+
+  postMountWrapper: function (inst) {
+    // value="" should make a value attribute (#6219)
+    var props = inst._currentElement.props;
+    if (props.value != null) {
+      var node = ReactDOMComponentTree.getNodeFromInstance(inst);
+      node.setAttribute('value', props.value);
+    }
+  },
+
+  getHostProps: function (inst, props) {
+    var hostProps = _assign({ selected: undefined, children: undefined }, props);
+
+    // Read state only from initial mount because <select> updates value
+    // manually; we need the initial state only for server rendering
+    if (inst._wrapperState.selected != null) {
+      hostProps.selected = inst._wrapperState.selected;
+    }
+
+    var content = flattenChildren(props.children);
+
+    if (content) {
+      hostProps.children = content;
+    }
+
+    return hostProps;
+  }
+
+};
+
+module.exports = ReactDOMOption;
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