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Improve predictability of the destination for created PDFs.

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Now generated PDFs are placed at the destination specified in the
end-users's Gruntfile, rather than appending the source file's path to
the destination path. The created PDFs have the same name as the source
HTML file, excep the file extension is changed to .pdf.
This commit is contained in:
Brent Houghton 2014-06-12 11:40:03 -07:00
parent 469ff6bb42
commit dad2687587
1 changed files with 43 additions and 22 deletions
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65
tasks/wkhtmltopdf.js
View file

@ -19,32 +19,53 @@ module.exports = function(grunt) {
grunt.registerMultiTask('wkhtmltopdf', 'Your task description goes here.', function() {
this.files.forEach(function(file) {
var srcpath = file.src.toString(),
dest = (file.dest && file.dest !== '') ? file.dest + '/' : '';
grunt.log.writeln("pdf output is: " + dest);
var pathlib = require('path');
// calculate the destination directory and ensure it exists, since
// wkhtmltopdf won't create the PDF if the destination directory doesn't
// exist
var destPath = file.dest;
if (grunt.file.isFile(file.dest)) {
destPath = pathlib.dirname(file.dest);
}
grunt.file.mkdir(destPath);
var dir = dest + srcpath.replace(/.*\/([^\/]+)\/[^\/]+\.html/, '$1');
file.src.forEach(function(src) {
// Create dest folder as wkhtmltopdf won't generate output if it doesn't exist
grunt.file.mkdir(dir);
var destpath = dir + '/' +
srcpath.replace(/.*\/([^\/]+)\.html/, '$1.pdf');
// Launch PhantomJS.
helper.convert({
code: 90,
args: [
'--dpi', '96', // workarround to wkhtmltopdf letter-spacing bug (see http://code.google.com/p/wkhtmltopdf/issues/detail?id=72)
'--print-media-type', // Use @print media type
srcpath,
destpath
],
done: function(err) {
if (err) {
grunt.log('>>>', err);
}
var dest = file.dest;
// wkhtmltopdf seems to require that the destination be a file
// location, not a directory, so if the given destination is a
// directory then append the name of the source file but with the
// extension changed to .pdf
if (grunt.file.isDir(dest)) {
var srcFileName = pathlib.basename(src);
var srcFileExtension = pathlib.extname(src);
var destFileName = srcFileName.replace(
new RegExp(srcFileExtension + "$"), // match only the end of the string
".pdf"
);
dest = pathlib.join(destPath + destFileName);
}
grunt.log.writeln(
"Converting " + src + " -> " + dest
);
// Launch PhantomJS.
helper.convert({
code: 90,
args: [
'--dpi', '96', // workarround to wkhtmltopdf letter-spacing bug (see http://code.google.com/p/wkhtmltopdf/issues/detail?id=72)
'--print-media-type', // Use @print media type
src,
dest
],
done: function(err) {
if (err) {
grunt.log('>>>', err);
}
}
});
});
});
});