"use strict";
/**
* @license
* Copyright 2017 Google Inc.
* SPDX-License-Identifier: Apache-2.0
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.filterAsync = exports.fromAbortSignal = exports.fromEmitterEvent = exports.unitToPixels = exports.parsePDFOptions = exports.NETWORK_IDLE_TIME = exports.getSourceUrlComment = exports.SOURCE_URL_REGEX = exports.UTILITY_WORLD_NAME = exports.timeout = exports.validateDialogType = exports.getReadableFromProtocolStream = exports.getReadableAsTypedArray = exports.evaluationString = exports.isDate = exports.isRegExp = exports.isPlainObject = exports.isNumber = exports.isString = exports.getSourcePuppeteerURLIfAvailable = exports.withSourcePuppeteerURLIfNone = exports.PuppeteerURL = exports.DEFAULT_VIEWPORT = exports.debugError = void 0;
const rxjs_js_1 = require("../../third_party/rxjs/rxjs.js");
const environment_js_1 = require("../environment.js");
const version_js_1 = require("../generated/version.js");
const assert_js_1 = require("../util/assert.js");
const encoding_js_1 = require("../util/encoding.js");
const Debug_js_1 = require("./Debug.js");
const Errors_js_1 = require("./Errors.js");
const PDFOptions_js_1 = require("./PDFOptions.js");
/**
* @internal
*/
exports.debugError = (0, Debug_js_1.debug)('puppeteer:error');
/**
* @internal
*/
exports.DEFAULT_VIEWPORT = Object.freeze({ width: 800, height: 600 });
/**
* @internal
*/
const SOURCE_URL = Symbol('Source URL for Puppeteer evaluation scripts');
/**
* @internal
*/
class PuppeteerURL {
static INTERNAL_URL = 'pptr:internal';
static fromCallSite(functionName, site) {
const url = new PuppeteerURL();
url.#functionName = functionName;
url.#siteString = site.toString();
return url;
}
static parse = (url) => {
url = url.slice('pptr:'.length);
const [functionName = '', siteString = ''] = url.split(';');
const puppeteerUrl = new PuppeteerURL();
puppeteerUrl.#functionName = functionName;
puppeteerUrl.#siteString = decodeURIComponent(siteString);
return puppeteerUrl;
};
static isPuppeteerURL = (url) => {
return url.startsWith('pptr:');
};
#functionName;
#siteString;
get functionName() {
return this.#functionName;
}
get siteString() {
return this.#siteString;
}
toString() {
return `pptr:${[
this.#functionName,
encodeURIComponent(this.#siteString),
].join(';')}`;
}
}
exports.PuppeteerURL = PuppeteerURL;
/**
* @internal
*/
const withSourcePuppeteerURLIfNone = (functionName, object) => {
if (Object.prototype.hasOwnProperty.call(object, SOURCE_URL)) {
return object;
}
const original = Error.prepareStackTrace;
Error.prepareStackTrace = (_, stack) => {
// First element is the function.
// Second element is the caller of this function.
// Third element is the caller of the caller of this function
// which is precisely what we want.
return stack[2];
};
const site = new Error().stack;
Error.prepareStackTrace = original;
return Object.assign(object, {
[SOURCE_URL]: PuppeteerURL.fromCallSite(functionName, site),
});
};
exports.withSourcePuppeteerURLIfNone = withSourcePuppeteerURLIfNone;
/**
* @internal
*/
const getSourcePuppeteerURLIfAvailable = (object) => {
if (Object.prototype.hasOwnProperty.call(object, SOURCE_URL)) {
return object[SOURCE_URL];
}
return undefined;
};
exports.getSourcePuppeteerURLIfAvailable = getSourcePuppeteerURLIfAvailable;
/**
* @internal
*/
const isString = (obj) => {
return typeof obj === 'string' || obj instanceof String;
};
exports.isString = isString;
/**
* @internal
*/
const isNumber = (obj) => {
return typeof obj === 'number' || obj instanceof Number;
};
exports.isNumber = isNumber;
/**
* @internal
*/
const isPlainObject = (obj) => {
return typeof obj === 'object' && obj?.constructor === Object;
};
exports.isPlainObject = isPlainObject;
/**
* @internal
*/
const isRegExp = (obj) => {
return typeof obj === 'object' && obj?.constructor === RegExp;
};
exports.isRegExp = isRegExp;
/**
* @internal
*/
const isDate = (obj) => {
return typeof obj === 'object' && obj?.constructor === Date;
};
exports.isDate = isDate;
/**
* @internal
*/
function evaluationString(fun, ...args) {
if ((0, exports.isString)(fun)) {
(0, assert_js_1.assert)(args.length === 0, 'Cannot evaluate a string with arguments');
return fun;
}
function serializeArgument(arg) {
if (Object.is(arg, undefined)) {
return 'undefined';
}
return JSON.stringify(arg);
}
return `(${fun})(${args.map(serializeArgument).join(',')})`;
}
exports.evaluationString = evaluationString;
/**
* @internal
*/
async function getReadableAsTypedArray(readable, path) {
const buffers = [];
const reader = readable.getReader();
if (path) {
const fileHandle = await environment_js_1.environment.value.fs.promises.open(path, 'w+');
try {
while (true) {
const { done, value } = await reader.read();
if (done) {
break;
}
buffers.push(value);
await fileHandle.writeFile(value);
}
}
finally {
await fileHandle.close();
}
}
else {
while (true) {
const { done, value } = await reader.read();
if (done) {
break;
}
buffers.push(value);
}
}
try {
const concat = (0, encoding_js_1.mergeUint8Arrays)(buffers);
if (concat.length === 0) {
return null;
}
return concat;
}
catch (error) {
(0, exports.debugError)(error);
return null;
}
}
exports.getReadableAsTypedArray = getReadableAsTypedArray;
/**
* @internal
*/
/**
* @internal
*/
async function getReadableFromProtocolStream(client, handle) {
return new ReadableStream({
async pull(controller) {
function getUnit8Array(data, isBase64) {
if (isBase64) {
return Uint8Array.from(atob(data), m => {
return m.codePointAt(0);
});
}
const encoder = new TextEncoder();
return encoder.encode(data);
}
const { data, base64Encoded, eof } = await client.send('IO.read', {
handle,
});
controller.enqueue(getUnit8Array(data, base64Encoded ?? false));
if (eof) {
await client.send('IO.close', { handle });
controller.close();
}
},
});
}
exports.getReadableFromProtocolStream = getReadableFromProtocolStream;
/**
* @internal
*/
function validateDialogType(type) {
let dialogType = null;
const validDialogTypes = new Set([
'alert',
'confirm',
'prompt',
'beforeunload',
]);
if (validDialogTypes.has(type)) {
dialogType = type;
}
(0, assert_js_1.assert)(dialogType, `Unknown javascript dialog type: ${type}`);
return dialogType;
}
exports.validateDialogType = validateDialogType;
/**
* @internal
*/
function timeout(ms, cause) {
return ms === 0
? rxjs_js_1.NEVER
: (0, rxjs_js_1.timer)(ms).pipe((0, rxjs_js_1.map)(() => {
throw new Errors_js_1.TimeoutError(`Timed out after waiting ${ms}ms`, { cause });
}));
}
exports.timeout = timeout;
/**
* @internal
*/
exports.UTILITY_WORLD_NAME = '__puppeteer_utility_world__' + version_js_1.packageVersion;
/**
* @internal
*/
exports.SOURCE_URL_REGEX = /^[\040\t]*\/\/[@#] sourceURL=\s*(\S*?)\s*$/m;
/**
* @internal
*/
function getSourceUrlComment(url) {
return `//# sourceURL=${url}`;
}
exports.getSourceUrlComment = getSourceUrlComment;
/**
* @internal
*/
exports.NETWORK_IDLE_TIME = 500;
/**
* @internal
*/
function parsePDFOptions(options = {}, lengthUnit = 'in') {
const defaults = {
scale: 1,
displayHeaderFooter: false,
headerTemplate: '',
footerTemplate: '',
printBackground: false,
landscape: false,
pageRanges: '',
preferCSSPageSize: false,
omitBackground: false,
outline: false,
tagged: true,
waitForFonts: true,
};
let width = 8.5;
let height = 11;
if (options.format) {
const format = PDFOptions_js_1.paperFormats[options.format.toLowerCase()];
(0, assert_js_1.assert)(format, 'Unknown paper format: ' + options.format);
width = format.width;
height = format.height;
}
else {
width = convertPrintParameterToInches(options.width, lengthUnit) ?? width;
height =
convertPrintParameterToInches(options.height, lengthUnit) ?? height;
}
const margin = {
top: convertPrintParameterToInches(options.margin?.top, lengthUnit) || 0,
left: convertPrintParameterToInches(options.margin?.left, lengthUnit) || 0,
bottom: convertPrintParameterToInches(options.margin?.bottom, lengthUnit) || 0,
right: convertPrintParameterToInches(options.margin?.right, lengthUnit) || 0,
};
// Quirk https://bugs.chromium.org/p/chromium/issues/detail?id=840455#c44
if (options.outline) {
options.tagged = true;
}
return {
...defaults,
...options,
width,
height,
margin,
};
}
exports.parsePDFOptions = parsePDFOptions;
/**
* @internal
*/
exports.unitToPixels = {
px: 1,
in: 96,
cm: 37.8,
mm: 3.78,
};
function convertPrintParameterToInches(parameter, lengthUnit = 'in') {
if (typeof parameter === 'undefined') {
return undefined;
}
let pixels;
if ((0, exports.isNumber)(parameter)) {
// Treat numbers as pixel values to be aligned with phantom's paperSize.
pixels = parameter;
}
else if ((0, exports.isString)(parameter)) {
const text = parameter;
let unit = text.substring(text.length - 2).toLowerCase();
let valueText = '';
if (unit in exports.unitToPixels) {
valueText = text.substring(0, text.length - 2);
}
else {
// In case of unknown unit try to parse the whole parameter as number of pixels.
// This is consistent with phantom's paperSize behavior.
unit = 'px';
valueText = text;
}
const value = Number(valueText);
(0, assert_js_1.assert)(!isNaN(value), 'Failed to parse parameter value: ' + text);
pixels = value * exports.unitToPixels[unit];
}
else {
throw new Error('page.pdf() Cannot handle parameter type: ' + typeof parameter);
}
return pixels / exports.unitToPixels[lengthUnit];
}
/**
* @internal
*/
function fromEmitterEvent(emitter, eventName) {
return new rxjs_js_1.Observable(subscriber => {
const listener = (event) => {
subscriber.next(event);
};
emitter.on(eventName, listener);
return () => {
emitter.off(eventName, listener);
};
});
}
exports.fromEmitterEvent = fromEmitterEvent;
/**
* @internal
*/
function fromAbortSignal(signal, cause) {
return signal
? (0, rxjs_js_1.fromEvent)(signal, 'abort').pipe((0, rxjs_js_1.map)(() => {
if (signal.reason instanceof Error) {
signal.reason.cause = cause;
throw signal.reason;
}
throw new Error(signal.reason, { cause });
}))
: rxjs_js_1.NEVER;
}
exports.fromAbortSignal = fromAbortSignal;
/**
* @internal
*/
function filterAsync(predicate) {
return (0, rxjs_js_1.mergeMap)((value) => {
return (0, rxjs_js_1.from)(Promise.resolve(predicate(value))).pipe((0, rxjs_js_1.filter)(isMatch => {
return isMatch;
}), (0, rxjs_js_1.map)(() => {
return value;
}));
});
}
exports.filterAsync = filterAsync;
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