91 lines
3.1 KiB
JavaScript
91 lines
3.1 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*/
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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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grunt.registerTask('wkhtmltopdf', 'Your task description goes here.', function() {
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grunt.config.requires('wkhtmltopdf.src');
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grunt.config.requires('wkhtmltopdf.dest');
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var conf = grunt.config('wkhtmltopdf');
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var htmlFiles = grunt.file.expandFiles(conf.src),
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dest = (conf.dest && conf.dest !== '') ? conf.dest + '/' : '';
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grunt.log.writeln("pdf output is: " + dest);
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htmlFiles.forEach(function(srcpath) {
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var dir = dest + srcpath.replace(/.*\/([^\/]+)\/[^\/]+\.html/, '$1');
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// Create dest folder as wkhtmltopdf won't generate output if it doesn't exist
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grunt.file.mkdir(dir);
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var destpath = dir + '/' +
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srcpath.replace(/.*\/([^\/]+)\.html/, '$1.pdf');
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// Launch PhantomJS.
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grunt.helper('wkhtmltopdf', {
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code: 90,
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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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srcpath,
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destpath
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],
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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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}
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});
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});
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});
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// ==========================================================================
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// HELPERS
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// ==========================================================================
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grunt.registerHelper('wkhtmltopdf', function(options) {
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if (!options || !options.args) {
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grunt.warn("You need to specify atleast one input file, and exactly one output file");
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return null;
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}
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return grunt.utils.spawn({
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cmd: 'wkhtmltopdf',
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args: options.args
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}, function(err, result, code) {
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grunt.log.writeln('wkhtmltopdf done');
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if (!err) { return options.done(null); }
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// Something went horribly wrong.
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grunt.verbose.or.writeln();
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grunt.log.write('Running wkhtmltopdf...').error();
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if (code === 127) {
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grunt.log.errorlns(
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'In order for this task to work properly, wkhtmltopdf must be ' +
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'installed and in the system PATH (if you can run "wkhtmltopdf" at' +
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' the command line, this task should work). Unfortunately, ' +
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'wkhtmltopdf cannot be installed automatically via npm or grunt. '
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);
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grunt.warn('wkhtmltopdf not found.', options.code);
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} else {
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result.split('\n').forEach(grunt.log.error, grunt.log);
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grunt.warn('wkhtmltopdf exited unexpectedly with exit code ' + code + '.', options.code);
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}
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options.done(code);
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});
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});
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};
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