Rails HTML to PDF using puppeteer (headless chrome), how to send html to puppeteer
0
I have a rails app that uses the code below to download a PDF from an HTML page. It works fine, but it's slow because it's loading a page before saving it to PDF.
How can I send it HTML directly from my Rails server, so it doesn't need to load a url? Is there some way to render to string and send that through? Or do I need to render to a file, then send its path through?
class PagesController < ApplicationController
def pdf
tmp = Tempfile.new("tmp/pdf-chrome-puppeteer")
system("yarn createPDF #{Shellwords.escape("https://google.com")} #{Shellwords.escape(tmp.path)}")
pdf_filename = "output.pdf"
send_file(tmp.path, filename: pdf_filename, type: 'application/pdf', disposition: 'attachment')
end
end
My JS:
#!/usr/bin/env node
const puppeteer = require("puppeteer");
const createPdf = async() => {
const startTime = new Date().getTime();
let browser;
try {
browser = await puppeteer.launch({args: ['--no-sandbox', '--disable-setuid-sandbox']});
const page = await browser.newPage();
await page.goto(process.argv[2], {timeout: 30000, waitUntil: 'networkidle2'});
await page.pdf({
path: process.argv[3],
format: 'A4',
margin: { top: 36, right: 36, bottom: 20, left: 36 },
printBackground: true
});
} catch (err) {
console.log(err.message);
} finally {
if (browser) {
browser.close();
}
process.exit();
}
};
ruby-on-rails puppeteer
asked Nov 23 '18 at 1:49
Mirror318Mirror318
5,08122946
add a comment |
0
I have a rails app that uses the code below to download a PDF from an HTML page. It works fine, but it's slow because it's loading a page before saving it to PDF.
How can I send it HTML directly from my Rails server, so it doesn't need to load a url? Is there some way to render to string and send that through? Or do I need to render to a file, then send its path through?
class PagesController < ApplicationController
def pdf
tmp = Tempfile.new("tmp/pdf-chrome-puppeteer")
system("yarn createPDF #{Shellwords.escape("https://google.com")} #{Shellwords.escape(tmp.path)}")
pdf_filename = "output.pdf"
send_file(tmp.path, filename: pdf_filename, type: 'application/pdf', disposition: 'attachment')
end
end
My JS:
#!/usr/bin/env node
const puppeteer = require("puppeteer");
const createPdf = async() => {
const startTime = new Date().getTime();
let browser;
try {
browser = await puppeteer.launch({args: ['--no-sandbox', '--disable-setuid-sandbox']});
const page = await browser.newPage();
await page.goto(process.argv[2], {timeout: 30000, waitUntil: 'networkidle2'});
await page.pdf({
path: process.argv[3],
format: 'A4',
margin: { top: 36, right: 36, bottom: 20, left: 36 },
printBackground: true
});
} catch (err) {
console.log(err.message);
} finally {
if (browser) {
browser.close();
}
process.exit();
}
};
ruby-on-rails puppeteer
asked Nov 23 '18 at 1:49
Mirror318Mirror318
5,08122946
Probably save it to a file and pass the filename, but the assets will be all messed up if you do it that way.
– pguardiario
Nov 23 '18 at 2:20
add a comment |
0
0
0
I have a rails app that uses the code below to download a PDF from an HTML page. It works fine, but it's slow because it's loading a page before saving it to PDF.
How can I send it HTML directly from my Rails server, so it doesn't need to load a url? Is there some way to render to string and send that through? Or do I need to render to a file, then send its path through?
class PagesController < ApplicationController
def pdf
tmp = Tempfile.new("tmp/pdf-chrome-puppeteer")
system("yarn createPDF #{Shellwords.escape("https://google.com")} #{Shellwords.escape(tmp.path)}")
pdf_filename = "output.pdf"
send_file(tmp.path, filename: pdf_filename, type: 'application/pdf', disposition: 'attachment')
end
end
My JS:
#!/usr/bin/env node
const puppeteer = require("puppeteer");
const createPdf = async() => {
const startTime = new Date().getTime();
let browser;
try {
browser = await puppeteer.launch({args: ['--no-sandbox', '--disable-setuid-sandbox']});
const page = await browser.newPage();
await page.goto(process.argv[2], {timeout: 30000, waitUntil: 'networkidle2'});
await page.pdf({
path: process.argv[3],
format: 'A4',
margin: { top: 36, right: 36, bottom: 20, left: 36 },
printBackground: true
});
} catch (err) {
console.log(err.message);
} finally {
if (browser) {
browser.close();
}
process.exit();
}
};
ruby-on-rails puppeteer
asked Nov 23 '18 at 1:49
Mirror318Mirror318
5,08122946
I have a rails app that uses the code below to download a PDF from an HTML page. It works fine, but it's slow because it's loading a page before saving it to PDF.
How can I send it HTML directly from my Rails server, so it doesn't need to load a url? Is there some way to render to string and send that through? Or do I need to render to a file, then send its path through?
class PagesController < ApplicationController
def pdf
tmp = Tempfile.new("tmp/pdf-chrome-puppeteer")
system("yarn createPDF #{Shellwords.escape("https://google.com")} #{Shellwords.escape(tmp.path)}")
pdf_filename = "output.pdf"
send_file(tmp.path, filename: pdf_filename, type: 'application/pdf', disposition: 'attachment')
end
end
My JS:
#!/usr/bin/env node
const puppeteer = require("puppeteer");
const createPdf = async() => {
const startTime = new Date().getTime();
let browser;
try {
browser = await puppeteer.launch({args: ['--no-sandbox', '--disable-setuid-sandbox']});
const page = await browser.newPage();
await page.goto(process.argv[2], {timeout: 30000, waitUntil: 'networkidle2'});
await page.pdf({
path: process.argv[3],
format: 'A4',
margin: { top: 36, right: 36, bottom: 20, left: 36 },
printBackground: true
});
} catch (err) {
console.log(err.message);
} finally {
if (browser) {
browser.close();
}
process.exit();
}
};
ruby-on-rails puppeteer
ruby-on-rails puppeteer
asked Nov 23 '18 at 1:49
Mirror318Mirror318
5,08122946
asked Nov 23 '18 at 1:49
Mirror318Mirror318
5,08122946
asked Nov 23 '18 at 1:49
Mirror318Mirror318
5,08122946
asked Nov 23 '18 at 1:49
Mirror318Mirror318
5,08122946
asked Nov 23 '18 at 1:49
Mirror318Mirror318
5,08122946
5,08122946
Probably save it to a file and pass the filename, but the assets will be all messed up if you do it that way.
– pguardiario
Nov 23 '18 at 2:20
add a comment |
Probably save it to a file and pass the filename, but the assets will be all messed up if you do it that way.
– pguardiario
Nov 23 '18 at 2:20
Probably save it to a file and pass the filename, but the assets will be all messed up if you do it that way.
– pguardiario
Nov 23 '18 at 2:20
Probably save it to a file and pass the filename, but the assets will be all messed up if you do it that way.
– pguardiario
Nov 23 '18 at 2:20
add a comment |
0
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Probably save it to a file and pass the filename, but the assets will be all messed up if you do it that way.
– pguardiario
Nov 23 '18 at 2:20