1.45
This commit is contained in:
dengqichen
parent
9567a43418
commit
8131d4994c
@ -1,18 +1,29 @@
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/**
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* Monaco日志查看器组件
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* 基于Monaco Editor实现的高性能只读日志查看器
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*
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* 性能优化：
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* - 直接操作Monaco Model，避免React状态更新
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* - 批量追加日志，减少更新频率
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* - 限制最大行数，防止内存溢出
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*/
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import { useEffect, useRef, useState } from 'react';
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import { useEffect, useRef, useCallback } from 'react';
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import Editor, { Monaco } from '@monaco-editor/react';
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import type { editor } from 'monaco-editor';
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import type { MonacoLogViewerProps, LogViewerAPI } from './types';
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// 默认最大行数限制
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const DEFAULT_MAX_LINES = 10000;
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// 批量更新间隔(ms)
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const BATCH_INTERVAL = 50;
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export const MonacoLogViewer: React.FC<MonacoLogViewerProps> = ({
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autoScroll = true,
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fontSize = 12,
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theme = 'vs-dark',
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height = '100%',
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wordWrap = false,
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maxLines = DEFAULT_MAX_LINES,
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onReady,
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className = '',
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style = {},
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@ -20,9 +31,13 @@ export const MonacoLogViewer: React.FC<MonacoLogViewerProps> = ({
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const editorRef = useRef<editor.IStandaloneCodeEditor | null>(null);
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const monacoRef = useRef<Monaco | null>(null);
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const autoScrollRef = useRef(autoScroll);
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const [content, setContent] = useState('');
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const lineCountRef = useRef(0);
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// 批量更新缓冲区
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const pendingLogsRef = useRef<string[]>([]);
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const batchTimerRef = useRef<NodeJS.Timeout | null>(null);
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const isReadyRef = useRef(false);
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// 更新自动滚动状态
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useEffect(() => {
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autoScrollRef.current = autoScroll;
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@ -37,17 +52,134 @@ export const MonacoLogViewer: React.FC<MonacoLogViewerProps> = ({
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}
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}, [wordWrap]);
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// 清理定时器
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useEffect(() => {
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return () => {
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if (batchTimerRef.current) {
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clearTimeout(batchTimerRef.current);
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}
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};
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}, []);
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// 检查是否在底部附近
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const isNearBottom = useCallback(() => {
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if (!editorRef.current) return true;
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const scrollTop = editorRef.current.getScrollTop();
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const scrollHeight = editorRef.current.getScrollHeight();
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const clientHeight = editorRef.current.getLayoutInfo().height;
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return scrollHeight - scrollTop - clientHeight < 50;
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}, []);
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// 滚动到底部
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const scrollToBottom = useCallback(() => {
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if (!editorRef.current) return;
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const model = editorRef.current.getModel();
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if (model) {
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const lineCount = model.getLineCount();
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editorRef.current.revealLine(lineCount);
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}
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}, []);
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// 直接追加文本到Monaco Model（高性能）
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const appendToModel = useCallback((text: string) => {
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if (!editorRef.current) return;
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const model = editorRef.current.getModel();
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if (!model) return;
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const shouldScroll = autoScrollRef.current && isNearBottom();
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const lineCount = model.getLineCount();
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const lastLineLength = model.getLineLength(lineCount);
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// 使用 applyEdits 直接追加文本，避免重新解析整个文档
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const prefix = lineCount === 1 && lastLineLength === 0 ? '' : '\n';
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model.applyEdits([{
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range: {
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startLineNumber: lineCount,
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startColumn: lastLineLength + 1,
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endLineNumber: lineCount,
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endColumn: lastLineLength + 1,
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},
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text: prefix + text,
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}]);
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// 更新行数
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lineCountRef.current = model.getLineCount();
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// 检查是否超过最大行数，删除旧日志
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if (maxLines && lineCountRef.current > maxLines) {
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const linesToRemove = lineCountRef.current - maxLines;
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model.applyEdits([{
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range: {
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startLineNumber: 1,
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startColumn: 1,
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endLineNumber: linesToRemove + 1,
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endColumn: 1,
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},
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text: '',
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}]);
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lineCountRef.current = model.getLineCount();
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}
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// 自动滚动到底部
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if (shouldScroll) {
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requestAnimationFrame(scrollToBottom);
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}
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}, [isNearBottom, scrollToBottom, maxLines]);
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// 批量刷新日志
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const flushPendingLogs = useCallback(() => {
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if (pendingLogsRef.current.length === 0) return;
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const logs = pendingLogsRef.current;
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pendingLogsRef.current = [];
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batchTimerRef.current = null;
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// 合并所有待处理日志
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const text = logs.join('\n');
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appendToModel(text);
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}, [appendToModel]);
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// 添加日志到缓冲区（批量处理）
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const queueLog = useCallback((log: string) => {
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pendingLogsRef.current.push(log);
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// 如果没有定时器，启动批量更新
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if (!batchTimerRef.current) {
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batchTimerRef.current = setTimeout(flushPendingLogs, BATCH_INTERVAL);
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}
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}, [flushPendingLogs]);
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// 清空日志
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const clearLogs = useCallback(() => {
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if (!editorRef.current) return;
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const model = editorRef.current.getModel();
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if (model) {
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model.setValue('');
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lineCountRef.current = 0;
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}
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// 清空缓冲区
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pendingLogsRef.current = [];
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if (batchTimerRef.current) {
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clearTimeout(batchTimerRef.current);
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batchTimerRef.current = null;
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}
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}, []);
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// Monaco Editor挂载完成
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const handleEditorDidMount = (editor: editor.IStandaloneCodeEditor, monaco: Monaco) => {
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const handleEditorDidMount = useCallback((editor: editor.IStandaloneCodeEditor, monaco: Monaco) => {
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editorRef.current = editor;
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monacoRef.current = monaco;
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isReadyRef.current = true;
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// 配置编辑器选项
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editor.updateOptions({
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readOnly: true,
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minimap: { enabled: false },
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scrollBeyondLastLine: false,
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wordWrap: 'off',
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wordWrap: wordWrap ? 'on' : 'off',
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lineNumbers: 'on',
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glyphMargin: false,
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folding: false,
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@ -55,64 +187,32 @@ export const MonacoLogViewer: React.FC<MonacoLogViewerProps> = ({
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lineNumbersMinChars: 6,
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renderLineHighlight: 'none',
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automaticLayout: true,
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// 性能优化选项
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renderWhitespace: 'none',
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renderControlCharacters: false,
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guides: { indentation: false },
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occurrencesHighlight: 'off',
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selectionHighlight: false,
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scrollbar: {
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vertical: 'visible',
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horizontal: 'visible',
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verticalScrollbarSize: 10,
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horizontalScrollbarSize: 10,
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useShadows: false,
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},
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});
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// 检查是否在底部附近
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const isNearBottom = () => {
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if (!editorRef.current) return true;
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const scrollTop = editorRef.current.getScrollTop();
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const scrollHeight = editorRef.current.getScrollHeight();
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const clientHeight = editorRef.current.getLayoutInfo().height;
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return scrollHeight - scrollTop - clientHeight < 50;
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};
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// 暴露API
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if (onReady) {
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const api: LogViewerAPI = {
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appendLog: (log: string) => {
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lineCountRef.current++;
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const shouldScroll = autoScrollRef.current && isNearBottom();
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setContent((prev) => {
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const newContent = prev ? `${prev}\n${log}` : log;
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// 只有在底部时才自动滚动
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if (shouldScroll) {
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setTimeout(() => {
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const lineCount = editorRef.current?.getModel()?.getLineCount() || 0;
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editorRef.current?.revealLine(lineCount);
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}, 0);
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}
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return newContent;
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});
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queueLog(log);
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},
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appendLogs: (logs: string[]) => {
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lineCountRef.current += logs.length;
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const shouldScroll = autoScrollRef.current && isNearBottom();
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setContent((prev) => {
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const newContent = prev ? `${prev}\n${logs.join('\n')}` : logs.join('\n');
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// 只有在底部时才自动滚动
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if (shouldScroll) {
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setTimeout(() => {
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const lineCount = editorRef.current?.getModel()?.getLineCount() || 0;
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editorRef.current?.revealLine(lineCount);
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}, 0);
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}
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return newContent;
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});
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},
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clear: () => {
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setContent('');
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lineCountRef.current = 0;
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},
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scrollToBottom: () => {
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const lineCount = editorRef.current?.getModel()?.getLineCount() || 0;
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editorRef.current?.revealLine(lineCount);
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logs.forEach(log => queueLog(log));
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},
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clear: clearLogs,
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scrollToBottom,
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search: (text: string) => {
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if (editorRef.current) {
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editorRef.current.trigger('', 'actions.find', { searchString: text });
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@ -132,14 +232,14 @@ export const MonacoLogViewer: React.FC<MonacoLogViewerProps> = ({
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};
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onReady(api);
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}
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};
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}, [wordWrap, onReady, queueLog, clearLogs, scrollToBottom]);
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return (
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<div className={`w-full h-full relative ${className}`} style={{ height, ...style }}>
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<Editor
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height="100%"
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defaultLanguage="plaintext"
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value={content}
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defaultValue=""
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theme={theme}
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options={{
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fontSize,
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@ -155,11 +255,17 @@ export const MonacoLogViewer: React.FC<MonacoLogViewerProps> = ({
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lineNumbersMinChars: 6,
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renderLineHighlight: 'none',
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automaticLayout: true,
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renderWhitespace: 'none',
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renderControlCharacters: false,
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guides: { indentation: false },
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occurrencesHighlight: 'off',
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selectionHighlight: false,
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scrollbar: {
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vertical: 'visible',
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horizontal: 'visible',
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verticalScrollbarSize: 10,
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horizontalScrollbarSize: 10,
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useShadows: false,
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},
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}}
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onMount={handleEditorDidMount}
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@ -162,6 +162,9 @@ export interface MonacoLogViewerProps {
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/** 自动换行 */
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wordWrap?: boolean;
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/** 最大行数限制（超过后自动删除旧日志，默认10000） */
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maxLines?: number;
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/** 就绪回调 */
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onReady?: (api: LogViewerAPI) => void;
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