Marc Mintel
5397309103
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92 lines
3.2 KiB
Plaintext
92 lines
3.2 KiB
Plaintext
/**
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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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'use strict';
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var lexical = require('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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function registerDragonSupport(editor) {
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const origin = window.location.origin;
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const handler = event => {
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if (event.origin !== origin) {
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return;
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}
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const rootElement = editor.getRootElement();
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if (document.activeElement !== rootElement) {
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return;
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}
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const data = event.data;
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if (typeof data === 'string') {
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let parsedData;
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try {
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parsedData = JSON.parse(data);
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} catch (e) {
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return;
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}
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if (parsedData && parsedData.protocol === 'nuanria_messaging' && parsedData.type === 'request') {
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const payload = parsedData.payload;
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if (payload && payload.functionId === 'makeChanges') {
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const args = payload.args;
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if (args) {
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const [elementStart, elementLength, text, selStart, selLength, formatCommand] = args;
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editor.update(() => {
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const selection = lexical.$getSelection();
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if (lexical.$isRangeSelection(selection)) {
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const anchor = selection.anchor;
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let anchorNode = anchor.getNode();
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let setSelStart = 0;
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let setSelEnd = 0;
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if (lexical.$isTextNode(anchorNode)) {
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// set initial selection
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if (elementStart >= 0 && elementLength >= 0) {
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setSelStart = elementStart;
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setSelEnd = elementStart + elementLength;
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// If the offset is more than the end, make it the end
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selection.setTextNodeRange(anchorNode, setSelStart, anchorNode, setSelEnd);
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}
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}
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if (setSelStart !== setSelEnd || text !== '') {
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selection.insertRawText(text);
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anchorNode = anchor.getNode();
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}
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if (lexical.$isTextNode(anchorNode)) {
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// set final selection
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setSelStart = selStart;
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setSelEnd = selStart + selLength;
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const anchorNodeTextLength = anchorNode.getTextContentSize();
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// If the offset is more than the end, make it the end
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setSelStart = setSelStart > anchorNodeTextLength ? anchorNodeTextLength : setSelStart;
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setSelEnd = setSelEnd > anchorNodeTextLength ? anchorNodeTextLength : setSelEnd;
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selection.setTextNodeRange(anchorNode, setSelStart, anchorNode, setSelEnd);
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}
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// block the chrome extension from handling this event
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event.stopImmediatePropagation();
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}
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});
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}
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}
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}
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}
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};
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window.addEventListener('message', handler, true);
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return () => {
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window.removeEventListener('message', handler, true);
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};
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}
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exports.registerDragonSupport = registerDragonSupport;
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