91 lines
3 KiB
JavaScript
91 lines
3 KiB
JavaScript
/*
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* grunt-wkhtmltopdf
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* https://github.com/dhar/grunt-wkhtmltopdf
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*
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* Copyright (c) 2012 Olivier Audard
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* Licensed under the MIT license.
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*/
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/*globals module:false, require:false*/
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module.exports = function(grunt) {
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// Please see the grunt documentation for more information regarding task and
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// helper creation: https://github.com/cowboy/grunt/blob/master/docs/toc.md
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// ==========================================================================
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// TASKS
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// ==========================================================================
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var helper = require('./lib/wkhtmltopdf-lib').init(grunt);
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grunt.registerMultiTask('wkhtmltopdf', 'Your task description goes here.', function() {
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// using grunt async support so we can be sure task doesn't
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// end before PDF processing does: http://gruntjs.com/api/inside-tasks
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var done = this.async(),
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files = this.files;
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// iterate through each file grouping
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files.forEach(function(file, filesIndex) {
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var pathlib = require('path');
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// calculate the destination directory and ensure it exists, since
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// wkhtmltopdf won't create the PDF if the destination directory doesn't
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// exist
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var destPath = file.dest;
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if (grunt.file.isFile(file.dest)) {
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destPath = pathlib.dirname(file.dest);
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}
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grunt.file.mkdir(destPath);
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file.src.forEach(function(src, srcIndex) {
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var dest = file.dest;
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// wkhtmltopdf seems to require that the destination be a file
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// location, not a directory, so if the given destination is a
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// directory then append the name of the source file but with the
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// extension changed to .pdf
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if (grunt.file.isDir(dest)) {
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var srcFileName = pathlib.basename(src);
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var srcFileExtension = pathlib.extname(src);
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var destFileName = srcFileName.replace(
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new RegExp(srcFileExtension + "$"), // match only the end of the string
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".pdf"
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);
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dest = pathlib.join(destPath + destFileName);
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}
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grunt.log.writeln(
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"Converting " + src + " -> " + dest
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);
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// default args
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var args = [
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'--dpi', '96', // workarround to wkhtmltopdf letter-spacing bug (see http://code.google.com/p/wkhtmltopdf/issues/detail?id=72)
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'--print-media-type', // Use @print media type
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];
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// overrides the args
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if (file.args) {
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args = file.args;
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}
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// adds the src and dest
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args = args.concat([src, dest]);
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// Launch wkhtmltopdf.
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helper.convert({
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code: 90,
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args: args,
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done: function(err) {
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if (err) {
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grunt.log('>>>', err);
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}
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// if this is the last src of the last file, we are done.
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if((filesIndex+1 >= files.length) && (srcIndex+1 >= file.src.length)) {
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done();
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}
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}
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});
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});
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});
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});
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};
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