repo-to-pdf

Make pdf from source code

Here is a sample

Install

npm install repo-to-pdf

Usage

Basic

npx repo-to-pdf [src/folder]

const {generateEbook} =  require('repo-to-pdf')

/**
 * @typedef Options
 * @type {object}
 * @property {string} renderer - [node|calibre|wkhtmltopdf] can be either node, calibre and wkhtmltopdf
 * @property {string} calibrePath - path of calibre's ebook-convert
 * @property {string} pdf_size - pdf size limit, in bytes
 * @property {string} white_list - list of file extensions to be included, separate by ','
 * @property {string} format - [mobi|epub|pdf] can be either mobi, epub, pdf
 * @property {string} device - [desktop|tablet|mobile] style can be opt for desktop, tablet and mobile
 * @property {string} baseUrl - base url of CSS style files
 */

/**
 * Generate ebook from content folder with the given file format
 * @param {string} inputFolder - content folder
 * @param {string} outputFile - output file name
 * @param {string} title - title in ebook file
 * @param {Options} options
 */
generateEbook(
  './',
  'test.pdf',
  'repo-test',
  {renderer:'node', pdf_size: 3*0.8*1000*1000, format: 'pdf', device: 'desktop'}
)

Command Line Options

-d, --device [platform]
device [desktop(default)|mobile|tablet]
# npx repo-to-pdf ../repo -d mobile

-t, --title [name]
pdf filename
# npx repo-to-pdf ../repo -t MeinKampf.pdf

-w, --whitelist [wlist]
file format white list, split by ","
# npx repo-to-pdf ../repo -w js,md

-s, --size [size]
pdf file size limit, in MB, default 10 MB
# npx repo-to-pdf ../repo -s 10

-r, --renderer [node|calibre|wkhtmltopdf]
use either node(relaxedjs) or calibre to render ebook, node outputs pdf, calibre outputs pdf, mobi, epub
# npx repo-to-pdf ../repo -r calibre

-f, --format [pdf|mobi|epub]
output format, either pdf, mobi, epub. mobi and epub are generated using calibre ebook-convert
# npx repo-to-pdf ../repo -f mobi

-c, --calibre [path]
path to ebook-convert, for MacOS, try /Applications/calibre.app/Contents/MacOS/ebook-convert; for linux, try /usr/bin/ebook-convert

For tablet, mobile

only supported by the renderer node

npx repo-to-pdf [src/folder] --device tablet
npx repo-to-pdf [src/folder] --device mobile

Testing

npm run test

Performance

on M1 Macbook Air

time npx repo-to-pdf ./test/data/redis-7.0.0/src -s 3
2.09s user 0.36s system 2% cpu 1:42.14 total

time npx repo-to-pdf ./test/data/redis-7.0.0/src -s 3 -r wkhtmltopdf
43.78s user 0.84s system 93% cpu 47.787 total

Known issues

• The renderer wkhtmltopdf can split lines. It's a known unsolved issue of wkhtmltopdf: https://github.com/wkhtmltopdf/wkhtmltopdf/issues/2141, https://github.com/wkhtmltopdf/wkhtmltopdf/issues/1524
• To properly install puppeteer on Debian, you might need to install required libs: https://github.com/puppeteer/puppeteer/issues/290#issuecomment-322921352 and libgbm-dev