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11 | 'use strict';
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12 |
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13 | var EditorState = require("./EditorState");
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14 |
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15 | var expandRangeToStartOfLine = require("./expandRangeToStartOfLine");
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16 |
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17 | var getDraftEditorSelectionWithNodes = require("./getDraftEditorSelectionWithNodes");
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18 |
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19 | var moveSelectionBackward = require("./moveSelectionBackward");
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20 |
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21 | var removeTextWithStrategy = require("./removeTextWithStrategy");
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22 |
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23 | function keyCommandBackspaceToStartOfLine(editorState, e) {
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24 | var afterRemoval = removeTextWithStrategy(editorState, function (strategyState) {
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25 | var selection = strategyState.getSelection();
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26 |
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27 | if (selection.isCollapsed() && selection.getAnchorOffset() === 0) {
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28 | return moveSelectionBackward(strategyState, 1);
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29 | }
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30 |
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31 | var ownerDocument = e.currentTarget.ownerDocument;
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32 | var domSelection = ownerDocument.defaultView.getSelection();
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33 |
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35 |
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36 |
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37 | var range = domSelection.getRangeAt(0);
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38 | range = expandRangeToStartOfLine(range);
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39 | return getDraftEditorSelectionWithNodes(strategyState, null, range.endContainer, range.endOffset, range.startContainer, range.startOffset).selectionState;
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40 | }, 'backward');
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41 |
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42 | if (afterRemoval === editorState.getCurrentContent()) {
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43 | return editorState;
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44 | }
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45 |
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46 | return EditorState.push(editorState, afterRemoval, 'remove-range');
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47 | }
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48 |
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49 | module.exports = keyCommandBackspaceToStartOfLine; |
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