forked from Gitlink/forgeplus-react
49 lines
1.6 KiB
JavaScript
49 lines
1.6 KiB
JavaScript
/**
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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 keyCommandUndo
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* @format
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*
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*/
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'use strict';
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var EditorState = require('./EditorState');
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function keyCommandUndo(e, editorState, updateFn) {
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var undoneState = EditorState.undo(editorState);
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// If the last change to occur was a spellcheck change, allow the undo
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// event to fall through to the browser. This allows the browser to record
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// the unwanted change, which should soon lead it to learn not to suggest
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// the correction again.
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if (editorState.getLastChangeType() === 'spellcheck-change') {
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var nativelyRenderedContent = undoneState.getCurrentContent();
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updateFn(EditorState.set(undoneState, { nativelyRenderedContent: nativelyRenderedContent }));
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return;
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}
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// Otheriwse, manage the undo behavior manually.
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e.preventDefault();
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if (!editorState.getNativelyRenderedContent()) {
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updateFn(undoneState);
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return;
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}
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// Trigger a re-render with the current content state to ensure that the
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// component tree has up-to-date props for comparison.
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updateFn(EditorState.set(editorState, { nativelyRenderedContent: null }));
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// Wait to ensure that the re-render has occurred before performing
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// the undo action.
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setTimeout(function () {
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updateFn(undoneState);
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}, 0);
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}
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module.exports = keyCommandUndo; |