<commit_before>/**
 * Copyright 2013 Facebook, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * @providesModule ReactDOMSelection
 */

"use strict";

var getNodeForCharacterOffset = require('getNodeForCharacterOffset');
var getTextContentAccessor = require('getTextContentAccessor');

/**
 * Get the appropriate anchor and focus node/offset pairs for IE.
 *
 * The catch here is that IE's selection API doesn't provide information
 * about whether the selection is forward or backward, so we have to
 * behave as though it's always forward.
 *
 * IE text differs from modern selection in that it behaves as though
 * block elements end with a new line. This means character offsets will
 * differ between the two APIs.
 *
 * @param {DOMElement} node
 * @return {object}
 */
function getIEOffsets(node) {
  var selection = document.selection;
  var selectedRange = selection.createRange();
  var selectedLength = selectedRange.text.length;

  // Duplicate selection so we can move range without breaking user selection.
  var fromStart = selectedRange.duplicate();
  fromStart.moveToElementText(node);
  fromStart.setEndPoint('EndToStart', selectedRange);

  var startOffset = fromStart.text.length;
  var endOffset = startOffset + selectedLength;

  return {
    start: startOffset,
    end: endOffset
  };
}

/**
 * @param {DOMElement} node
 * @return {object}
 */
function getModernOffsets(node) {
  var selection = window.getSelection();
  var anchorNode = selection.anchorNode;
  var anchorOffset = selection.anchorOffset;<commit_msg>Check for null selection<commit_after>/**
 * Copyright 2013 Facebook, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * @providesModule ReactDOMSelection
 */

"use strict";

var getNodeForCharacterOffset = require('getNodeForCharacterOffset');
var getTextContentAccessor = require('getTextContentAccessor');

/**
 * Get the appropriate anchor and focus node/offset pairs for IE.
 *
 * The catch here is that IE's selection API doesn't provide information
 * about whether the selection is forward or backward, so we have to
 * behave as though it's always forward.
 *
 * IE text differs from modern selection in that it behaves as though
 * block elements end with a new line. This means character offsets will
 * differ between the two APIs.
 *
 * @param {DOMElement} node
 * @return {object}
 */
function getIEOffsets(node) {
  var selection = document.selection;
  var selectedRange = selection.createRange();
  var selectedLength = selectedRange.text.length;

  // Duplicate selection so we can move range without breaking user selection.
  var fromStart = selectedRange.duplicate();
  fromStart.moveToElementText(node);
  fromStart.setEndPoint('EndToStart', selectedRange);

  var startOffset = fromStart.text.length;
  var endOffset = startOffset + selectedLength;

  return {
    start: startOffset,
    end: endOffset
  };
}

/**
 * @param {DOMElement} node
 * @return {?object}
 */
function getModernOffsets(node) {
  var selection = window.getSelection();

  if (selection.rangeCount === 0) {
    return null;
  }

  var anchorNode = selection.anchorNode;
  var anchorOffset = selection.anchorOffset;
{'fraction_non_alphanumeric': 0.08470926058865758, 'fraction_numerical': 0.004067958841828189, 'mean_word_length': 4.244667503136763, 'pattern_counts': {'":': 0, '<': 3, '<?xml version=': 0, '>': 3, 'https://': 0, 'lorem ipsum': 0, 'www.': 2, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 2, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '1529240', 'n_tokens_mistral': 1112, 'n_tokens_neox': 1071, 'n_words': 451}