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How to pass CSS href to inline CSS in app script?

Time:10-08

UPDATE:

I need to save an HTML webpage as a pdf in my google Drive. I am using app script.
However, the PDF is rendered differently from the HTLM page. I need the PDF to be the same as the HTML. FROM RESEARCH I DISCOVERED THAT EXTERNAL CSS IS NOT RENDERED PROPERLY, ONLY INLINE CSS.

I have an HTML page and I need to transform the external CSS into inline CSS. I need to do this using an app script.

Is it possible?

EDIT: MORE DETAILS -- HERE IS MY FUNCTION IN APPSCRIPT AND MY HTML CSS HEADER

    function downloadFile() {
    
    var fileURL = "https://www.....
    var folder = "primes"
    var fileName = "";
    var fileSize = "";
    
    var response = UrlFetchApp.fetch(fileURL, {
        headers: { Authorization: 'Bearer '   ScriptApp.getOAuthToken() },
    })
    var htmlBody = response.getContentText();
    var rc = response.getResponseCode();
    
    if (rc == 200) {
    
    var blob = Utilities.newBlob(htmlBody, 
    MimeType.HTML).getAs('application/pdf').setName('Nota.pdf');
    var folder = DriveApp.getFolderById("1gBA8YCs3PH7v7CNl3nlsjNqYzhOxhjYa");
    if(folder != null){
      var file = folder.createFile(blob);
      fileName = file.getName()
      fileSize = file.getSize()
     }
    }
    var fileInfo = {'rc':rc,"filename": fileName, "fileSize":fileSize}
    
    Logger.log(fileInfo)
    
     }

    <!DOCTYPE html
    PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
    <html xmlns="http://www.w3.org/1999/xhtml">
    <head>
    <title>Bling - </title>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <script src="https://www.bling.com.br/libs/jquery-1.9.1.min.js" type="text/javascript"></script>
    <script type="text/javascript" src="https://www.bling.com.br/libs/utils-1632934481.js"></script> <link rel="stylesheet" type="text/css" href="https://www.bling.com.br/styles/danfe.css" />
    <style>
        table.grid tr td{
            /*padding:2px;*/

The output I get is totally not rendered correctly

CodePudding user response:

Just replace the external css with the actual value with padded style tags.

Script:

var htmlBody = response.getContentText();

// replace external css with the actual css, padded with style tags
var externalCss = `<link rel="stylesheet" type="text/css" href="https://www.bling.com.br/styles/danfe.css" />`;
htmlBody = htmlBody.replace(externalCss, `<style>${UrlFetchApp.fetch('https://www.bling.com.br/styles/danfe.css').getContentText()}</style>`)

var rc = response.getResponseCode();

If this doesn't work due to captcha. (I'm not sure if captcha will cause you some issues when fetching). Copy the actual css (pad it with tags), save it in a file and include it in your string before converting to blob by using:

HtmlService.createHtmlOutputFromFile(filename).getContent()

Output:

output

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