How to use compareMagicBytes method in Playwright Internal

Best JavaScript code snippet using playwright-internal

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1const { compareMagicBytes } = require('playwright/lib/utils/utils');2const fs = require('fs');3const file1 = fs.readFileSync('file1.png');4const file2 = fs.readFileSync('file2.png');5console.log(compareMagicBytes(file1, file2));6const file1 = fs.readFileSync('file1.png');7const file2 = fs.readFileSync('file2.png');8console.log(compareMagicBytes(file1, file2));9const file1 = fs.readFileSync('file1.png');10const file2 = fs.readFileSync('file2.png');11console.log(file1.equals(file2));12const file1 = fs.readFileSync('file1.png');13const file2 = fs.readFileSync('file2.png');14console.log(file1.compare(file2));15const file1 = fs.readFileSync('file1.png');16const file2 = fs.readFileSync('file2.png');17console.log(file1.compare(file2));18const file1 = fs.readFileSync('file1.png');19const file2 = fs.readFileSync('file2.png');20console.log(file1.equals(file2));21const file1 = fs.readFileSync('file1.png');22const file2 = fs.readFileSync('file2.png');23console.log(file1.compare(file2));24const file1 = fs.readFileSync('file1.png');25const file2 = fs.readFileSync('file2.png');26console.log(file1.compare(file2));27const file1 = fs.readFileSync('file1.png');28const file2 = fs.readFileSync('file2.png');29console.log(file1.compare(file2));30const file1 = fs.readFileSync('file1.png');31const file2 = fs.readFileSync('file2.png');32console.log(file1.compare(file2));33const file1 = fs.readFileSync('file1.png');34const file2 = fs.readFileSync('file2.png');35console.log(file1.compare(file2));36const file1 = fs.readFileSync('file1.png');37const file2 = fs.readFileSync('file2.png

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1const { compareMagicBytes } = require('playwright/lib/utils/utils');2const fs = require('fs');3const file = fs.readFileSync('file.png');4const buf = file.buffer.slice(file.byteOffset, file.byteOffset + file.byteLength);5const result = compareMagicBytes(buf, 'png');6console.log(result);7await page.setInputFiles("input[type='file']", "/Users/Downloads/file.pdf");8Error: Protocol error (Page.setInputFiles): Cannot find context with specified id9const context = await browser.newContext();10const page = await context.newPage();11await page.setInputFiles("input[type='file']", "/Users/Downloads/file.pdf");12Error: Protocol error (Page.setInputFiles): Cannot find context with specified id13const { chromium } = require('playwright');14(async () => {15 const browser = await chromium.launch();16 const context = await browser.newContext();17 const page = await context.newPage();18 await page.waitForSelector('iframe');19 const elementHandle = await page.$('iframe');20 const frame = await elementHandle.contentFrame();21 await frame.setInputFiles("input[type='file']", "/Users/Downloads/file.pdf");22 await browser.close();23})();

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1const { compareMagicBytes } = require('playwright-chromium/lib/utils/utils');2const fs = require('fs');3(async () => {4 const buffer = await fs.promises.readFile('./test.pdf');5 const magicBytes = await compareMagicBytes(buffer, ['%PDF']);6 console.log(magicBytes);7})();8const { compareMagicBytes } = require('playwright/lib/utils/utils');9const fs = require('fs');10(async () => {11 const buffer = await fs.promises.readFile('./test.pdf');12 const magicBytes = await compareMagicBytes(buffer, ['%PDF']);13 console.log(magicBytes);14})();15const { compareMagicBytes } = require('playwright-webkit/lib/utils/utils');16const fs = require('fs');17(async () => {18 const buffer = await fs.promises.readFile('./test.pdf');19 const magicBytes = await compareMagicBytes(buffer, ['%PDF']);20 console.log(magicBytes);21})();22const { compareMagicBytes } = require('playwright-firefox/lib/utils/utils');23const fs = require('fs');24(async () => {25 const buffer = await fs.promises.readFile('./test.pdf');26 const magicBytes = await compareMagicBytes(buffer, ['%PDF']);27 console.log(magicBytes);28})();

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1const { compareMagicBytes } = require('playwright/lib/utils/utils');2const path = 'path/to/file';3const expectedMagicBytes = 'MThd';4const isMidiFile = compareMagicBytes(path, expectedMagicBytes);5if (isMidiFile) {6 console.log('The file is a MIDI file');7} else {8 console.log('The file is not a MIDI file');9}

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