53 lines
1.5 KiB
TypeScript
53 lines
1.5 KiB
TypeScript
/*
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* https://github.com/morethanwords/tweb
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* Copyright (C) 2019-2021 Eduard Kuzmenko
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* https://github.com/morethanwords/tweb/blob/master/LICENSE
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*
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* Originally from:
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* https://github.com/zhukov/webogram
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* Copyright (C) 2014 Igor Zhukov <igor.beatle@gmail.com>
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* https://github.com/zhukov/webogram/blob/master/LICENSE
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*/
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import { MessageEntity } from "../../layer";
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import RichTextProcessor from "../../lib/richtextprocessor";
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import getRichElementValue from "./getRichElementValue";
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export default function getRichValueWithCaret(field: HTMLElement, withEntities = true) {
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const lines: string[] = [];
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const line: string[] = [];
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const sel = window.getSelection();
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let selNode: Node;
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let selOffset: number;
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if(sel && sel.rangeCount) {
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const range = sel.getRangeAt(0);
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if(range.startContainer &&
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range.startContainer == range.endContainer &&
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range.startOffset == range.endOffset) {
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selNode = range.startContainer;
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selOffset = range.startOffset;
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}
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}
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const entities: MessageEntity[] = withEntities ? [] : undefined;
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getRichElementValue(field, lines, line, selNode, selOffset, entities);
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if(line.length) {
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lines.push(line.join(''));
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}
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let value = lines.join('\n');
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const caretPos = value.indexOf('\x01');
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if(caretPos != -1) {
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value = value.substr(0, caretPos) + value.substr(caretPos + 1);
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}
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value = value.replace(/\u00A0/g, ' ');
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if(entities) {
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RichTextProcessor.combineSameEntities(entities);
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}
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return {value, entities, caretPos};
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}
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