puppeteer-core
Version:
A high-level API to control headless Chrome over the DevTools Protocol
135 lines • 4.49 kB
JavaScript
/**
* @license
* Copyright 2023 Google Inc.
* SPDX-License-Identifier: Apache-2.0
*/
import { ConsoleMessage } from '../common/ConsoleMessage.js';
import { ProtocolError, TimeoutError } from '../common/Errors.js';
import { PuppeteerURL } from '../common/util.js';
import { BidiDeserializer } from './Deserializer.js';
import { BidiJSHandle } from './JSHandle.js';
/**
* @internal
*
* TODO: Remove this and map CDP the correct method.
* Requires breaking change.
*/
export function convertConsoleMessageLevel(method) {
switch (method) {
case 'group':
return 'startGroup';
case 'groupCollapsed':
return 'startGroupCollapsed';
case 'groupEnd':
return 'endGroup';
default:
return method;
}
}
/**
* @internal
*/
export function getStackTraceLocations(stackTrace) {
const stackTraceLocations = [];
if (stackTrace) {
for (const callFrame of stackTrace.callFrames) {
stackTraceLocations.push({
url: callFrame.url,
lineNumber: callFrame.lineNumber,
columnNumber: callFrame.columnNumber,
});
}
}
return stackTraceLocations;
}
/**
* @internal
*/
export function getConsoleMessage(entry, args, frame, targetId) {
const text = args
.reduce((value, arg) => {
const parsedValue = arg instanceof BidiJSHandle && arg.isPrimitiveValue
? BidiDeserializer.deserialize(arg.remoteValue())
: arg.toString();
return `${value} ${parsedValue}`;
}, '')
.slice(1);
return new ConsoleMessage(convertConsoleMessageLevel(entry.method), text, args, getStackTraceLocations(entry.stackTrace), frame, undefined, targetId);
}
/**
* @internal
*/
export function isConsoleLogEntry(event) {
return event.type === 'console';
}
/**
* @internal
*/
export function isJavaScriptLogEntry(event) {
return event.type === 'javascript';
}
/**
* @internal
*/
export function createEvaluationError(details) {
if (details.exception.type === 'object' && !('value' in details.exception)) {
// Heuristic detecting a platform object was thrown. WebDriver BiDi serializes
// platform objects without value. If so, throw a generic error with the actual
// exception's message, as there is no way to restore the original exception's
// constructor.
return new Error(details.text);
}
if (details.exception.type !== 'error') {
return BidiDeserializer.deserialize(details.exception);
}
const [name = '', ...parts] = details.text.split(': ');
const message = parts.join(': ');
const error = new Error(message);
error.name = name;
// The first line is this function which we ignore.
const stackLines = [];
if (details.stackTrace && stackLines.length < Error.stackTraceLimit) {
for (const frame of details.stackTrace.callFrames.reverse()) {
if (PuppeteerURL.isPuppeteerURL(frame.url) &&
frame.url !== PuppeteerURL.INTERNAL_URL) {
const url = PuppeteerURL.parse(frame.url);
stackLines.unshift(` at ${frame.functionName || url.functionName} (${url.functionName} at ${url.siteString}, <anonymous>:${frame.lineNumber}:${frame.columnNumber})`);
}
else {
stackLines.push(` at ${frame.functionName || '<anonymous>'} (${frame.url}:${frame.lineNumber}:${frame.columnNumber})`);
}
if (stackLines.length >= Error.stackTraceLimit) {
break;
}
}
}
error.stack = [details.text, ...stackLines].join('\n');
return error;
}
/**
* @internal
*/
export function rewriteNavigationError(message, ms) {
return error => {
if (error instanceof ProtocolError) {
error.message += ` at ${message}`;
}
else if (error instanceof TimeoutError) {
error.message = `Navigation timeout of ${ms} ms exceeded`;
}
throw error;
};
}
/**
* @internal
*/
export function rewriteEvaluationError(error) {
if (error instanceof Error) {
if (error.message.includes('ExecutionContext was destroyed') ||
error.message.includes('Inspected target navigated or closed')) {
throw new Error('Execution context was destroyed, most likely because of a navigation.');
}
}
throw error;
}
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