261 lines
9.7 KiB
JavaScript
261 lines
9.7 KiB
JavaScript
/**
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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*/
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import { $insertDataTransferForPlainText, $getHtmlContent } from '@lexical/clipboard';
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import { $shouldOverrideDefaultCharacterSelection, $moveCharacter } from '@lexical/selection';
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import { mergeRegister, objectKlassEquals } from '@lexical/utils';
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import { DELETE_CHARACTER_COMMAND, $getSelection, $isRangeSelection, COMMAND_PRIORITY_EDITOR, DELETE_WORD_COMMAND, DELETE_LINE_COMMAND, CONTROLLED_TEXT_INSERTION_COMMAND, REMOVE_TEXT_COMMAND, INSERT_LINE_BREAK_COMMAND, INSERT_PARAGRAPH_COMMAND, KEY_ARROW_LEFT_COMMAND, KEY_ARROW_RIGHT_COMMAND, KEY_BACKSPACE_COMMAND, KEY_DELETE_COMMAND, KEY_ENTER_COMMAND, SELECT_ALL_COMMAND, $selectAll, COPY_COMMAND, CUT_COMMAND, PASTE_COMMAND, DROP_COMMAND, DRAGSTART_COMMAND, PASTE_TAG } from 'lexical';
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/**
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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*/
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const CAN_USE_DOM = typeof window !== 'undefined' && typeof window.document !== 'undefined' && typeof window.document.createElement !== 'undefined';
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/**
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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*/
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const documentMode = CAN_USE_DOM && 'documentMode' in document ? document.documentMode : null;
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const CAN_USE_BEFORE_INPUT = CAN_USE_DOM && 'InputEvent' in window && !documentMode ? 'getTargetRanges' in new window.InputEvent('input') : false;
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const IS_SAFARI = CAN_USE_DOM && /Version\/[\d.]+.*Safari/.test(navigator.userAgent);
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const IS_IOS = CAN_USE_DOM && /iPad|iPhone|iPod/.test(navigator.userAgent) && !window.MSStream;
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// Keep these in case we need to use them in the future.
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// export const IS_WINDOWS: boolean = CAN_USE_DOM && /Win/.test(navigator.platform);
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const IS_CHROME = CAN_USE_DOM && /^(?=.*Chrome).*/i.test(navigator.userAgent);
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const IS_APPLE_WEBKIT = CAN_USE_DOM && /AppleWebKit\/[\d.]+/.test(navigator.userAgent) && !IS_CHROME;
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/**
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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*/
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function onCopyForPlainText(event, editor) {
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editor.update(() => {
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if (event !== null) {
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const clipboardData = objectKlassEquals(event, KeyboardEvent) ? null : event.clipboardData;
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const selection = $getSelection();
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if (selection !== null && clipboardData != null) {
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event.preventDefault();
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const htmlString = $getHtmlContent(editor);
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if (htmlString !== null) {
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clipboardData.setData('text/html', htmlString);
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}
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clipboardData.setData('text/plain', selection.getTextContent());
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}
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}
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});
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}
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function onPasteForPlainText(event, editor) {
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event.preventDefault();
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editor.update(() => {
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const selection = $getSelection();
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const clipboardData = objectKlassEquals(event, ClipboardEvent) ? event.clipboardData : null;
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if (clipboardData != null && $isRangeSelection(selection)) {
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$insertDataTransferForPlainText(clipboardData, selection);
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}
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}, {
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tag: PASTE_TAG
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});
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}
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function onCutForPlainText(event, editor) {
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onCopyForPlainText(event, editor);
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editor.update(() => {
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const selection = $getSelection();
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if ($isRangeSelection(selection)) {
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selection.removeText();
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}
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});
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}
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function registerPlainText(editor) {
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const removeListener = mergeRegister(editor.registerCommand(DELETE_CHARACTER_COMMAND, isBackward => {
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const selection = $getSelection();
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if (!$isRangeSelection(selection)) {
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return false;
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}
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selection.deleteCharacter(isBackward);
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return true;
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}, COMMAND_PRIORITY_EDITOR), editor.registerCommand(DELETE_WORD_COMMAND, isBackward => {
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const selection = $getSelection();
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if (!$isRangeSelection(selection)) {
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return false;
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}
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selection.deleteWord(isBackward);
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return true;
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}, COMMAND_PRIORITY_EDITOR), editor.registerCommand(DELETE_LINE_COMMAND, isBackward => {
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const selection = $getSelection();
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if (!$isRangeSelection(selection)) {
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return false;
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}
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selection.deleteLine(isBackward);
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return true;
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}, COMMAND_PRIORITY_EDITOR), editor.registerCommand(CONTROLLED_TEXT_INSERTION_COMMAND, eventOrText => {
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const selection = $getSelection();
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if (!$isRangeSelection(selection)) {
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return false;
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}
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if (typeof eventOrText === 'string') {
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selection.insertText(eventOrText);
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} else {
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const dataTransfer = eventOrText.dataTransfer;
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if (dataTransfer != null) {
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$insertDataTransferForPlainText(dataTransfer, selection);
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} else {
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const data = eventOrText.data;
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if (data) {
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selection.insertText(data);
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}
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}
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}
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return true;
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}, COMMAND_PRIORITY_EDITOR), editor.registerCommand(REMOVE_TEXT_COMMAND, () => {
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const selection = $getSelection();
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if (!$isRangeSelection(selection)) {
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return false;
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}
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selection.removeText();
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return true;
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}, COMMAND_PRIORITY_EDITOR), editor.registerCommand(INSERT_LINE_BREAK_COMMAND, selectStart => {
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const selection = $getSelection();
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if (!$isRangeSelection(selection)) {
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return false;
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}
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selection.insertLineBreak(selectStart);
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return true;
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}, COMMAND_PRIORITY_EDITOR), editor.registerCommand(INSERT_PARAGRAPH_COMMAND, () => {
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const selection = $getSelection();
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if (!$isRangeSelection(selection)) {
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return false;
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}
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selection.insertLineBreak();
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return true;
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}, COMMAND_PRIORITY_EDITOR), editor.registerCommand(KEY_ARROW_LEFT_COMMAND, payload => {
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const selection = $getSelection();
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if (!$isRangeSelection(selection)) {
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return false;
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}
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const event = payload;
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const isHoldingShift = event.shiftKey;
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if ($shouldOverrideDefaultCharacterSelection(selection, true)) {
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event.preventDefault();
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$moveCharacter(selection, isHoldingShift, true);
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return true;
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}
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return false;
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}, COMMAND_PRIORITY_EDITOR), editor.registerCommand(KEY_ARROW_RIGHT_COMMAND, payload => {
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const selection = $getSelection();
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if (!$isRangeSelection(selection)) {
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return false;
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}
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const event = payload;
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const isHoldingShift = event.shiftKey;
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if ($shouldOverrideDefaultCharacterSelection(selection, false)) {
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event.preventDefault();
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$moveCharacter(selection, isHoldingShift, false);
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return true;
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}
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return false;
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}, COMMAND_PRIORITY_EDITOR), editor.registerCommand(KEY_BACKSPACE_COMMAND, event => {
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const selection = $getSelection();
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if (!$isRangeSelection(selection)) {
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return false;
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}
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// Exception handling for iOS native behavior instead of Lexical's behavior when using Korean on iOS devices.
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// more details - https://github.com/facebook/lexical/issues/5841
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if (IS_IOS && navigator.language === 'ko-KR') {
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return false;
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}
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event.preventDefault();
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return editor.dispatchCommand(DELETE_CHARACTER_COMMAND, true);
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}, COMMAND_PRIORITY_EDITOR), editor.registerCommand(KEY_DELETE_COMMAND, event => {
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const selection = $getSelection();
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if (!$isRangeSelection(selection)) {
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return false;
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}
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event.preventDefault();
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return editor.dispatchCommand(DELETE_CHARACTER_COMMAND, false);
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}, COMMAND_PRIORITY_EDITOR), editor.registerCommand(KEY_ENTER_COMMAND, event => {
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const selection = $getSelection();
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if (!$isRangeSelection(selection)) {
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return false;
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}
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if (event !== null) {
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// If we have beforeinput, then we can avoid blocking
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// the default behavior. This ensures that the iOS can
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// intercept that we're actually inserting a paragraph,
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// and autocomplete, autocapitalize etc work as intended.
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// This can also cause a strange performance issue in
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// Safari, where there is a noticeable pause due to
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// preventing the key down of enter.
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if ((IS_IOS || IS_SAFARI || IS_APPLE_WEBKIT) && CAN_USE_BEFORE_INPUT) {
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return false;
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}
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event.preventDefault();
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}
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return editor.dispatchCommand(INSERT_LINE_BREAK_COMMAND, false);
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}, COMMAND_PRIORITY_EDITOR), editor.registerCommand(SELECT_ALL_COMMAND, () => {
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$selectAll();
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return true;
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}, COMMAND_PRIORITY_EDITOR), editor.registerCommand(COPY_COMMAND, event => {
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const selection = $getSelection();
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if (!$isRangeSelection(selection)) {
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return false;
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}
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onCopyForPlainText(event, editor);
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return true;
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}, COMMAND_PRIORITY_EDITOR), editor.registerCommand(CUT_COMMAND, event => {
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const selection = $getSelection();
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if (!$isRangeSelection(selection)) {
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return false;
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}
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onCutForPlainText(event, editor);
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return true;
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}, COMMAND_PRIORITY_EDITOR), editor.registerCommand(PASTE_COMMAND, event => {
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const selection = $getSelection();
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if (!$isRangeSelection(selection)) {
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return false;
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}
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onPasteForPlainText(event, editor);
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return true;
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}, COMMAND_PRIORITY_EDITOR), editor.registerCommand(DROP_COMMAND, event => {
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const selection = $getSelection();
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if (!$isRangeSelection(selection)) {
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return false;
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}
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// TODO: Make drag and drop work at some point.
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event.preventDefault();
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return true;
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}, COMMAND_PRIORITY_EDITOR), editor.registerCommand(DRAGSTART_COMMAND, event => {
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const selection = $getSelection();
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if (!$isRangeSelection(selection)) {
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return false;
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}
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// TODO: Make drag and drop work at some point.
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event.preventDefault();
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return true;
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}, COMMAND_PRIORITY_EDITOR));
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return removeListener;
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}
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export { registerPlainText };
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