Migrate module to javascript

marcbachmann · Feb 16, 2016 · d454deb · d454deb
1 parent 02748ee
commit d454deb
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Showing 10 changed files with 480 additions and 775 deletions.
diff --git a/.npmignore b/.npmignore
@@ -1,5 +1,4 @@
 # Development Files
-src/
 test/
 
 # Example Files

diff --git a/lib/index.js b/lib/index.js
@@ -1,28 +1,26 @@
-// Generated by CoffeeScript 1.10.0
-(function() {
-  var PDF;
+var PDF = require('./pdf')
 
-  PDF = require('./pdf');
-
-  exports.create = function(html, options, callback) {
-    var err, error, pdf;
+module.exports = {
+  create: function createPdf (html, options, callback) {
     if (arguments.length === 1) {
-      return new PDF(html);
+      return new PDF(html)
     }
+
     if (arguments.length === 2 && typeof options !== 'function') {
-      return new PDF(html, options);
+      return new PDF(html, options)
     }
+
     if (arguments.length === 2) {
-      callback = options;
-      options = {};
+      callback = options
+      options = {}
     }
+
     try {
-      pdf = new PDF(html, options);
-    } catch (error) {
-      err = error;
-      return callback(err);
+      var pdf = new PDF(html, options)
+    } catch (err) {
+      return callback(err)
     }
-    return pdf.exec(callback);
-  };
 
-}).call(this);
+    pdf.exec(callback)
+  }
+}
diff --git a/lib/pdf.js b/lib/pdf.js
@@ -1,146 +1,127 @@
-// Generated by CoffeeScript 1.10.0
-(function() {
-  var PDF, Stream, assert, childprocess, err, error, fs, path, phantomjs;
+var fs = require('fs')
+var childprocess = require('child_process')
+var path = require('path')
+var assert = require('assert')
 
-  fs = require('fs');
+try {
+  var phantomjs = require('phantomjs')
+} catch (err) {
+  console.log('html-pdf: Failed to load PhantomJS module.', err)
+}
 
-  Stream = require('stream').Readable;
+/*
+* phantomjs version 1.8.1 and later should work.
+*
+* Create a PDF file out of an html string.
+*
+* Regions for the PDF page are:
+*
+* - Page Header  -> document.getElementById('pageHeader')
+* - Page Content -> document.getElementById('pageContent')
+* - Page Footer  -> document.getElementById('pageFooter')
+*
+* When no #pageContent is available, phantomjs will use document.body as pdf content
+*/
+module.exports = PDF
+function PDF (html, options) {
+  this.html = html
+  this.options = options || {}
+  if (this.options.script) {
+    this.script = path.normalize(this.options.script)
+  } else {
+    this.script = path.join(__dirname, 'scripts', 'pdf_a4_portrait.js')
+  }
+
+  if (this.options.filename) this.options.filename = path.resolve(this.options.filename)
+  if (!this.options.phantomPath) this.options.phantomPath = phantomjs && phantomjs.path
+  this.options.phantomArgs = this.options.phantomArgs || []
+  assert(this.options.phantomPath, "html-pdf: Failed to load PhantomJS module. You have to set the path to the PhantomJS binary using 'options.phantomPath'")
+  assert(typeof this.html === 'string' && this.html.length, "html-pdf: Can't create a pdf without an html string")
+  this.options.timeout = parseInt(this.options.timeout) || 30000
+}
+
+PDF.prototype.toBuffer = function PdfToBuffer (callback) {
+  this.exec(function execPdfToBuffer (err, res) {
+    if (err) return callback(err)
+    fs.readFile(res.filename, function readCallback (err, buffer) {
+      if (err) return callback(err)
+      fs.unlink(res.filename, function unlinkPdfFile (err) {
+        if (err) return callback(err)
+        callback(null, buffer)
+      })
+    })
+  })
+}
 
-  childprocess = require('child_process');
+PDF.prototype.toStream = function PdfToStream (callback) {
+  this.exec(function (err, res) {
+    if (err) return callback(err)
+    try {
+      var stream = fs.createReadStream(res.filename)
+    } catch (err) {
+      return callback(err)
+    }
 
-  path = require('path');
+    stream.on('end', function () {
+      fs.unlink(res.filename, function (err) {
+        if (err) console.log('html-pdf:', err)
+      })
+    })
 
-  assert = require('assert');
+    callback(null, stream)
+  })
+}
 
-  try {
-    phantomjs = require('phantomjs');
-  } catch (error) {
-    err = error;
-    console.log('html-pdf: Failed to load PhantomJS module.', err);
+PDF.prototype.toFile = function PdfToFile (filename, callback) {
+  assert(arguments.length > 0, 'html-pdf: The method .toFile([filename, ]callback) requires a callback.')
+  if (filename instanceof Function) {
+    callback = filename
+    filename = undefined
+  } else {
+    this.options.filename = path.resolve(filename)
   }
+  this.exec(callback)
+}
 
-  module.exports = PDF = (function() {
-    function PDF(html, options) {
-      var base, base1;
-      this.html = html;
-      this.options = options != null ? options : {};
-      if (this.options.script) {
-        this.script = path.normalize(this.options.script);
-      } else {
-        this.script = path.join(__dirname, 'scripts', 'pdf_a4_portrait.js');
-      }
-      if (this.options.filename) {
-        this.options.filename = path.resolve(this.options.filename);
-      }
-      if ((base = this.options).phantomPath == null) {
-        base.phantomPath = phantomjs != null ? phantomjs.path : void 0;
-      }
-      if ((base1 = this.options).phantomArgs == null) {
-        base1.phantomArgs = [];
-      }
-      assert(this.options.phantomPath, "html-pdf: Failed to load PhantomJS module. You have to set the path to the PhantomJS binary using 'options.phantomPath'");
-      assert(typeof this.html === 'string' && this.html.length, "html-pdf: Can't create a pdf without an html string");
-      this.options.timeout = parseInt(this.options.timeout) || 30000;
+PDF.prototype.exec = function PdfExec (callback) {
+  var child = childprocess.spawn(this.options.phantomPath, [].concat(this.options.phantomArgs, [this.script]))
+  var stdout = []
+  var stderr = []
+  var timeout = setTimeout(function execTimeout () {
+    child.stdin.end()
+    child.kill()
+    if (!stderr.length) {
+      stderr = [new Buffer('html-pdf: PDF generation timeout. Phantom.js script did not exit.')]
     }
+  }, this.options.timeout)
 
-    PDF.prototype.toBuffer = function(callback) {
-      return this.exec(function(err, res) {
-        if (err) {
-          return callback(err);
-        }
-        return fs.readFile(res.filename, function(err, buffer) {
-          if (err) {
-            return callback(err);
-          }
-          return fs.unlink(res.filename, function(err) {
-            if (err) {
-              return callback(err);
-            }
-            return callback(null, buffer);
-          });
-        });
-      });
-    };
+  child.stdout.on('data', function (buffer) {
+    return stdout.push(buffer)
+  })
 
-    PDF.prototype.toStream = function(callback) {
-      return this.exec(function(err, res) {
-        var error1, stream;
-        if (err) {
-          return callback(err);
-        }
-        try {
-          stream = fs.createReadStream(res.filename);
-        } catch (error1) {
-          err = error1;
-          return callback(err);
-        }
-        stream.on('end', function() {
-          return fs.unlink(res.filename, function(err) {
-            if (err) {
-              return console.log('html-pdf:', err);
-            }
-          });
-        });
-        return callback(null, stream);
-      });
-    };
+  child.stderr.on('data', function (buffer) {
+    stderr.push(buffer)
+    child.stdin.end()
+    return child.kill()
+  })
 
-    PDF.prototype.toFile = function(filename, callback) {
-      assert(arguments.length > 0, 'html-pdf: The method .toFile([filename, ]callback) requires a callback.');
-      if (filename instanceof Function) {
-        callback = filename;
-        filename = void 0;
-      } else {
-        this.options.filename = path.resolve(filename);
+  child.on('exit', function (code) {
+    clearTimeout(timeout)
+    if (code || stderr.length) {
+      var err = new Error(Buffer.concat(stderr).toString() || 'html-pdf: Unknown Error')
+      return callback(err)
+    } else {
+      try {
+        var buff = Buffer.concat(stdout).toString()
+        var data = (buff) != null ? buff.trim() : undefined
+        data = JSON.parse(data)
+      } catch (err) {
+        return callback(err)
       }
-      return this.exec(callback);
-    };
-
-    PDF.prototype.exec = function(callback) {
-      var child, stderr, stdout, timeout;
-      child = childprocess.spawn(this.options.phantomPath, [].concat(this.options.phantomArgs, [this.script]));
-      stdout = [];
-      stderr = [];
-      timeout = setTimeout(function() {
-        child.stdin.end();
-        child.kill();
-        if (!stderr.length) {
-          return stderr = [new Buffer('html-pdf: PDF generation timeout. Phantom.js script did not exit.')];
-        }
-      }, this.options.timeout);
-      child.stdout.on('data', function(buffer) {
-        return stdout.push(buffer);
-      });
-      child.stderr.on('data', function(buffer) {
-        stderr.push(buffer);
-        child.stdin.end();
-        return child.kill();
-      });
-      child.on('exit', function(code) {
-        var data, error1, ref;
-        clearTimeout(timeout);
-        if (code || stderr.length) {
-          err = new Error(Buffer.concat(stderr).toString() || 'html-pdf: Unknown Error');
-          return callback(err);
-        } else {
-          try {
-            data = (ref = Buffer.concat(stdout).toString()) != null ? ref.trim() : void 0;
-            data = JSON.parse(data);
-          } catch (error1) {
-            err = error1;
-            return callback(err);
-          }
-          return callback(null, data);
-        }
-      });
-      return child.stdin.write(JSON.stringify({
-        html: this.html,
-        options: this.options
-      }) + '\n', 'utf8');
-    };
-
-    return PDF;
-
-  })();
+      return callback(null, data)
+    }
+  })
 
-}).call(this);
+  var res = JSON.stringify({html: this.html, options: this.options})
+  return child.stdin.write(res + '\n', 'utf8')
+}