cdfe73fee3
Everywhere in our api, possibly missing properties are nullable. However, to make things easier for everyone, we just default to an empty url instead, so that users do not have to null-check it.
89 lines
3.3 KiB
TypeScript
89 lines
3.3 KiB
TypeScript
/**
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* Copyright 2017 Google Inc. All rights reserved.
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* Modifications 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 { CRSession } from './crConnection';
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import { Protocol } from './protocol';
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import * as fs from 'fs';
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import * as util from 'util';
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import * as types from '../types';
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export function getExceptionMessage(exceptionDetails: Protocol.Runtime.ExceptionDetails): string {
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if (exceptionDetails.exception)
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return exceptionDetails.exception.description || String(exceptionDetails.exception.value);
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let message = exceptionDetails.text;
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if (exceptionDetails.stackTrace) {
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for (const callframe of exceptionDetails.stackTrace.callFrames) {
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const location = callframe.url + ':' + callframe.lineNumber + ':' + callframe.columnNumber;
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const functionName = callframe.functionName || '<anonymous>';
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message += `\n at ${functionName} (${location})`;
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}
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}
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return message;
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}
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export async function releaseObject(client: CRSession, objectId: string) {
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await client.send('Runtime.releaseObject', { objectId }).catch(error => {});
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}
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export async function readProtocolStream(client: CRSession, handle: string, path: string | null): Promise<Buffer> {
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let eof = false;
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let fd: number | undefined;
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if (path)
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fd = await util.promisify(fs.open)(path, 'w');
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const bufs = [];
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while (!eof) {
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const response = await client.send('IO.read', {handle});
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eof = response.eof;
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const buf = Buffer.from(response.data, response.base64Encoded ? 'base64' : undefined);
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bufs.push(buf);
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if (path)
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await util.promisify(fs.write)(fd!, buf);
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}
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if (path)
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await util.promisify(fs.close)(fd!);
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await client.send('IO.close', {handle});
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return Buffer.concat(bufs);
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}
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export function toConsoleMessageLocation(stackTrace: Protocol.Runtime.StackTrace | undefined): types.ConsoleMessageLocation {
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return stackTrace && stackTrace.callFrames.length ? {
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url: stackTrace.callFrames[0].url,
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lineNumber: stackTrace.callFrames[0].lineNumber,
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columnNumber: stackTrace.callFrames[0].columnNumber,
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} : { url: '', lineNumber: 0, columnNumber: 0 };
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}
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export function exceptionToError(exceptionDetails: Protocol.Runtime.ExceptionDetails): Error {
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const messageWithStack = getExceptionMessage(exceptionDetails);
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const lines = messageWithStack.split('\n');
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const firstStackTraceLine = lines.findIndex(line => line.startsWith(' at'));
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let message = '';
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let stack = '';
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if (firstStackTraceLine === -1) {
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message = messageWithStack;
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} else {
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message = lines.slice(0, firstStackTraceLine).join('\n');
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stack = messageWithStack;
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}
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const match = message.match(/^[a-zA-Z0-0_]*Error: (.*)$/);
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if (match)
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message = match[1];
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const err = new Error(message);
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err.stack = stack;
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return err;
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}
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