61 lines
1.9 KiB
TypeScript
61 lines
1.9 KiB
TypeScript
import * as plugins from './smartssr.plugins';
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import * as paths from './smartssr.paths';
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import { serializeFunction } from './smartssr.function.serialize';
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/**
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*
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*/
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export class SmartSSR {
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public browser: plugins.smartpuppeteer.puppeteer.Browser;
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public async start() {
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this.browser = await plugins.smartpuppeteer.getEnvAwareBrowserInstance();
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}
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public async stop() {
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if (this.browser) {
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await plugins.smartdelay.delayFor(3000);
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await this.browser.close();
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this.browser = null;
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} else {
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console.log('browser was not in started mode');
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}
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}
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public async renderPage(urlArg: string) {
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const overallTimeMeasurement = new plugins.smarttime.HrtMeasurement();
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overallTimeMeasurement.start();
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const resultDeferred = plugins.smartpromise.defer<string>();
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const context = await this.browser.createIncognitoBrowserContext();
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const page = await context.newPage();
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page.on('console', msg => {
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console.log(`${urlArg}: ${msg.text()}`);
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});
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page.on('load', async (...args) => {
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// await plugins.smartdelay.delayFor(2000);
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await page.$eval('body', serializeFunction);
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const pageContent = await page.content();
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const renderedPageString = pageContent;
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resultDeferred.resolve(renderedPageString);
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plugins.smartfile.memory.toFsSync(
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renderedPageString,
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plugins.path.join(paths.noGitDir, 'test.html')
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);
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});
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const renderTimeMeasurement = new plugins.smarttime.HrtMeasurement();
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renderTimeMeasurement.start();
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await page.goto(urlArg);
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const result = await resultDeferred.promise;
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renderTimeMeasurement.stop();
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// lets clean up async
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context.close();
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overallTimeMeasurement.stop();
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console.log(`Overall it took ${overallTimeMeasurement.milliSeconds} milliseconds to render ${urlArg}`);
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console.log(`The rendering alone took ${renderTimeMeasurement.milliSeconds} milliseconds for ${urlArg}`)
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return result;
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}
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}
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