219 lines
7 KiB
TypeScript
219 lines
7 KiB
TypeScript
import CodeMirror from 'codemirror';
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import type { CSSProperties } from 'react';
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import { useCallback, useEffect, useState } from 'react';
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import styled from 'styled-components';
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import tw from 'twin.macro';
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import modes from '@/modes';
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require('codemirror/lib/codemirror.css');
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require('codemirror/theme/ayu-mirage.css');
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require('codemirror/addon/edit/closebrackets');
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require('codemirror/addon/edit/closetag');
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require('codemirror/addon/edit/matchbrackets');
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require('codemirror/addon/edit/matchtags');
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require('codemirror/addon/edit/trailingspace');
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require('codemirror/addon/fold/foldcode');
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require('codemirror/addon/fold/foldgutter.css');
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require('codemirror/addon/fold/foldgutter');
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require('codemirror/addon/fold/brace-fold');
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require('codemirror/addon/fold/comment-fold');
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require('codemirror/addon/fold/indent-fold');
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require('codemirror/addon/fold/markdown-fold');
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require('codemirror/addon/fold/xml-fold');
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require('codemirror/addon/hint/css-hint');
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require('codemirror/addon/hint/html-hint');
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require('codemirror/addon/hint/javascript-hint');
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require('codemirror/addon/hint/show-hint.css');
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require('codemirror/addon/hint/show-hint');
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require('codemirror/addon/hint/sql-hint');
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require('codemirror/addon/hint/xml-hint');
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require('codemirror/addon/mode/simple');
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require('codemirror/addon/dialog/dialog.css');
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require('codemirror/addon/dialog/dialog');
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require('codemirror/addon/scroll/annotatescrollbar');
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require('codemirror/addon/scroll/scrollpastend');
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require('codemirror/addon/scroll/simplescrollbars.css');
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require('codemirror/addon/scroll/simplescrollbars');
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require('codemirror/addon/search/jump-to-line');
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require('codemirror/addon/search/match-highlighter');
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require('codemirror/addon/search/matchesonscrollbar.css');
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require('codemirror/addon/search/matchesonscrollbar');
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require('codemirror/addon/search/search');
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require('codemirror/addon/search/searchcursor');
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require('codemirror/mode/brainfuck/brainfuck');
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require('codemirror/mode/clike/clike');
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require('codemirror/mode/css/css');
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require('codemirror/mode/dart/dart');
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require('codemirror/mode/diff/diff');
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require('codemirror/mode/dockerfile/dockerfile');
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require('codemirror/mode/erlang/erlang');
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require('codemirror/mode/gfm/gfm');
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require('codemirror/mode/go/go');
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require('codemirror/mode/handlebars/handlebars');
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require('codemirror/mode/htmlembedded/htmlembedded');
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require('codemirror/mode/htmlmixed/htmlmixed');
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require('codemirror/mode/http/http');
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require('codemirror/mode/javascript/javascript');
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require('codemirror/mode/jsx/jsx');
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require('codemirror/mode/julia/julia');
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require('codemirror/mode/lua/lua');
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require('codemirror/mode/markdown/markdown');
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require('codemirror/mode/nginx/nginx');
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require('codemirror/mode/perl/perl');
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require('codemirror/mode/php/php');
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require('codemirror/mode/properties/properties');
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require('codemirror/mode/protobuf/protobuf');
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require('codemirror/mode/pug/pug');
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require('codemirror/mode/python/python');
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require('codemirror/mode/rpm/rpm');
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require('codemirror/mode/ruby/ruby');
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require('codemirror/mode/rust/rust');
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require('codemirror/mode/sass/sass');
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require('codemirror/mode/shell/shell');
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require('codemirror/mode/smarty/smarty');
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require('codemirror/mode/sql/sql');
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require('codemirror/mode/swift/swift');
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require('codemirror/mode/toml/toml');
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require('codemirror/mode/twig/twig');
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require('codemirror/mode/vue/vue');
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require('codemirror/mode/xml/xml');
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require('codemirror/mode/yaml/yaml');
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const EditorContainer = styled.div`
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min-height: 16rem;
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height: calc(100vh - 20rem);
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${tw`relative`};
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> div {
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${tw`rounded h-full`};
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}
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.CodeMirror {
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font-size: 12px;
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line-height: 1.375rem;
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}
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.CodeMirror-linenumber {
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padding: 1px 12px 0 12px !important;
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}
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.CodeMirror-foldmarker {
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color: #cbccc6;
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text-shadow: none;
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margin-left: 0.25rem;
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margin-right: 0.25rem;
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}
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`;
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export interface Props {
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style?: CSSProperties;
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initialContent?: string;
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mode: string;
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filename?: string;
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onModeChanged: (mode: string) => void;
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fetchContent: (callback: () => Promise<string>) => void;
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onContentSaved: () => void;
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}
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const findModeByFilename = (filename: string) => {
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for (let i = 0; i < modes.length; i++) {
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const info = modes[i];
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if (info?.file !== undefined && info.file.test(filename)) {
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return info;
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}
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}
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const dot = filename.lastIndexOf('.');
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const ext = dot > -1 && filename.substring(dot + 1, filename.length);
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if (ext) {
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for (let i = 0; i < modes.length; i++) {
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const info = modes[i];
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if (info?.ext !== undefined) {
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for (let j = 0; j < info.ext.length; j++) {
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if (info.ext[j] === ext) {
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return info;
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}
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}
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}
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}
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}
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return undefined;
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};
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export default ({ style, initialContent, filename, mode, fetchContent, onContentSaved, onModeChanged }: Props) => {
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const [editor, setEditor] = useState<CodeMirror.Editor>();
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const ref = useCallback<(_?: unknown) => void>(node => {
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if (node === undefined) {
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return;
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}
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const e = CodeMirror.fromTextArea(node as HTMLTextAreaElement, {
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mode: 'text/plain',
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theme: 'ayu-mirage',
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indentUnit: 4,
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smartIndent: true,
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tabSize: 4,
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indentWithTabs: false,
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lineWrapping: true,
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lineNumbers: true,
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fixedGutter: true,
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scrollbarStyle: 'overlay',
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coverGutterNextToScrollbar: false,
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readOnly: false,
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showCursorWhenSelecting: false,
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autofocus: false,
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spellcheck: true,
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autocorrect: false,
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autocapitalize: false,
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lint: false,
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// @ts-expect-error this property is actually used, the d.ts file for CodeMirror is incorrect.
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autoCloseBrackets: true,
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matchBrackets: true,
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gutters: ['CodeMirror-linenumbers', 'CodeMirror-foldgutter'],
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});
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setEditor(e);
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}, []);
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useEffect(() => {
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if (filename === undefined) {
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return;
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}
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onModeChanged(findModeByFilename(filename)?.mime || 'text/plain');
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}, [filename]);
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useEffect(() => {
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editor && editor.setOption('mode', mode);
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}, [editor, mode]);
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useEffect(() => {
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editor && editor.setValue(initialContent || '');
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}, [editor, initialContent]);
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useEffect(() => {
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if (!editor) {
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fetchContent(() => Promise.reject(new Error('no editor session has been configured')));
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return;
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}
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editor.addKeyMap({
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'Ctrl-S': () => onContentSaved(),
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'Cmd-S': () => onContentSaved(),
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});
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fetchContent(() => Promise.resolve(editor.getValue()));
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}, [editor, fetchContent, onContentSaved]);
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return (
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<EditorContainer style={style}>
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<textarea ref={ref} />
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</EditorContainer>
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);
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};
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