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generate-pdf-file.js
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generate-pdf-file.js
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const fs = require('fs');
const path = require('path');
const slugify = require('slugify');
const convertHTMLToPDF = require("pdf-puppeteer");
const md = require('markdown-it')({
html: true,
linkify: true,
breaks: true,
typographer: true
});
const outDirPath = process.argv.pop();
const bookFilePath = process.argv.pop();
const bookData = JSON.parse(fs.readFileSync(bookFilePath, { encoding: 'utf8' }));
const createMetadata = (bookData) => {
return `
<title>${bookData.title}</title>
<link rel="schema.DC" href="http://purl.org/dc/elements/1.1/" />
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<meta name="DC.title" content="${bookData.title}" />
<meta name="DC.creator" content="${bookData.author}" />
<meta name="DC.publisher" content="${bookData.publisher}" />
<meta name="DC.identifier" content="${bookData.bookId}" />
<meta name="DC.date" content="${bookData.year}" />
`;
}
const createChapter = (chapter, chapterIdx) => {
return `
<section id="chapter-${chapterIdx + 1}">
${md.render(chapter.content)}
</section>
`;
}
const targetPath = path.join(outDirPath, slugify(bookData.title.toLowerCase()) + '.pdf');
const content = `<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
${createMetadata(bookData)}
</head>
<body>
${bookData.chapter.reduce((acc,chapter, idx)=> acc + createChapter(chapter, idx), ``)}
</body>
</html>`;
convertHTMLToPDF(content, pdf=>{
fs.writeFile(targetPath, pdf, 'binary', (err, data) => console.log(err ? err : "success: " + targetPath));
})