forked from Gitlink/forgeplus-react
48 lines
1.5 KiB
Plaintext
48 lines
1.5 KiB
Plaintext
/**
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* Copyright (c) 2013-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*
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* @providesModule removeTextWithStrategy
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* @format
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* @flow
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*/
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'use strict';
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import type ContentState from './ContentState';
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import type { DraftRemovalDirection } from './DraftRemovalDirection';
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import type EditorState from './EditorState';
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import type SelectionState from './SelectionState';
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var DraftModifier = require('./DraftModifier');
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/**
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* For a collapsed selection state, remove text based on the specified strategy.
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* If the selection state is not collapsed, remove the entire selected range.
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*/
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function removeTextWithStrategy(editorState: EditorState, strategy: (editorState: EditorState) => SelectionState, direction: DraftRemovalDirection): ContentState {
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var selection = editorState.getSelection();
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var content = editorState.getCurrentContent();
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var target = selection;
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if (selection.isCollapsed()) {
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if (direction === 'forward') {
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if (editorState.isSelectionAtEndOfContent()) {
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return content;
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}
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} else if (editorState.isSelectionAtStartOfContent()) {
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return content;
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}
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target = strategy(editorState);
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if (target === selection) {
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return content;
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}
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}
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return DraftModifier.removeRange(content, target, direction);
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}
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module.exports = removeTextWithStrategy; |