76 lines
2.9 KiB
TypeScript
76 lines
2.9 KiB
TypeScript
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/**
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* Copyright (c) Microsoft Corporation.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import { ActionEntry } from '../../traceModel';
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import * as React from 'react';
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import { useAsyncMemo } from './helpers';
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import './sourceTab.css';
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import '../../../../third_party/highlightjs/highlightjs/tomorrow.css';
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import * as highlightjs from '../../../../third_party/highlightjs/highlightjs';
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export const SourceTab: React.FunctionComponent<{
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actionEntry: ActionEntry | undefined,
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}> = ({ actionEntry }) => {
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const location = React.useMemo<{ fileName?: string, lineNumber?: number, value?: string }>(() => {
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if (!actionEntry)
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return { value: '' };
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const { action } = actionEntry;
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const frames = action.stack!.split('\n').slice(1);
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const frame = frames.filter(frame => !frame.includes('playwright/lib/') && !frame.includes('playwright/src/'))[0];
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if (!frame)
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return { value: action.stack! };
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const match = frame.match(/at [^(]+\(([^:]+):(\d+):\d+\)/) || frame.match(/at ([^:^(]+):(\d+):\d+/);
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if (!match)
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return { value: action.stack! };
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const fileName = match[1];
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const lineNumber = parseInt(match[2], 10);
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return { fileName, lineNumber };
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}, [actionEntry]);
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const content = useAsyncMemo<string[]>(async () => {
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const value = location.fileName ? await window.readFile(location.fileName) : location.value;
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const result = [];
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let continuation: any;
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for (const line of (value || '').split('\n')) {
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const highlighted = highlightjs.highlight('javascript', line, true, continuation);
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continuation = highlighted.top;
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result.push(highlighted.value);
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}
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return result;
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}, [location.fileName, location.value], []);
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const targetLineRef = React.createRef<HTMLDivElement>();
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React.useLayoutEffect(() => {
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if (targetLineRef.current)
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targetLineRef.current.scrollIntoView({ block: 'center', inline: 'nearest' });
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}, [content, location.lineNumber, targetLineRef]);
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return <div className='source-tab'>{
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content.map((markup, index) => {
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const isTargetLine = (index + 1) === location.lineNumber;
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return <div
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key={index}
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className={isTargetLine ? 'source-line-highlight' : ''}
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ref={isTargetLine ? targetLineRef : null}
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>
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<div className='source-line-number'>{index + 1}</div>
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<div className='source-code' dangerouslySetInnerHTML={{ __html: markup }}></div>
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</div>;
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})
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}
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</div>;
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};
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