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https://github.com/puppeteer/puppeteer
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c430138845
We fully rely on upstream PDF functionality. Our PDF tests are inferior to those upstream and inconvenient to write.
85 lines
2.3 KiB
JavaScript
85 lines
2.3 KiB
JavaScript
/**
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* Copyright 2017 Google Inc. All rights reserved.
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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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const utils = module.exports = {
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/**
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* @param {!Page} page
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* @param {string} frameId
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* @param {string} url
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*/
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attachFrame: async function(page, frameId, url) {
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await page.evaluate(attachFrame, frameId, url);
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function attachFrame(frameId, url) {
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const frame = document.createElement('iframe');
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frame.src = url;
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frame.id = frameId;
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document.body.appendChild(frame);
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return new Promise(x => frame.onload = x);
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}
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},
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/**
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* @param {!Page} page
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* @param {string} frameId
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*/
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detachFrame: async function(page, frameId) {
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await page.evaluate(detachFrame, frameId);
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function detachFrame(frameId) {
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const frame = document.getElementById(frameId);
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frame.remove();
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}
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},
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/**
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* @param {!Page} page
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* @param {string} frameId
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* @param {string} url
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*/
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navigateFrame: async function(page, frameId, url) {
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await page.evaluate(navigateFrame, frameId, url);
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function navigateFrame(frameId, url) {
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const frame = document.getElementById(frameId);
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frame.src = url;
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return new Promise(x => frame.onload = x);
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}
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},
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/**
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* @param {!Frame} frame
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* @param {string=} indentation
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* @return {string}
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*/
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dumpFrames: function(frame, indentation) {
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indentation = indentation || '';
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let result = indentation + frame.url().replace(/:\d{4}\//, ':<PORT>/');
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for (const child of frame.childFrames())
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result += '\n' + utils.dumpFrames(child, ' ' + indentation);
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return result;
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},
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/**
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* @param {!EventEmitter} emitter
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* @param {string} eventName
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* @return {!Promise<!Object>}
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*/
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waitEvent: function(emitter, eventName) {
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return new Promise(fulfill => emitter.once(eventName, fulfill));
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},
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};
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