Node.js: Fix bug when using paper-core.js

And improve Node.js examples. Closes #975

examples/Node.js/AnimatedStar.js

@@ -1,7 +1,7 @@
 // Please note: When loading paper as a normal module installed in node_modules,
 // you would use this instead:
 // var paper = require('paper');
-var paper = require('../../dist/paper-full.js');
+var paper = require('../../dist/paper-core.js');
 paper.setup(new paper.Size(1024, 768));
 
 var layer = paper.project.activeLayer;

examples/Node.js/BooleanOperations.js

@@ -1,7 +1,7 @@
 // Please note: When loading paper as a normal module installed in node_modules,
 // you would use this instead:
 // var paper = require('paper');
-var paper = require('../../dist/paper-full.js');
+var paper = require('../../dist/paper-core.js');
 var http = require('http');
 
 http.createServer(function(request, response) {

examples/Node.js/JSONtoPDF.js

@@ -1,7 +1,7 @@
 // Please note: When loading paper as a normal module installed in node_modules,
 // you would use this instead:
 // var paper = require('paper');
-var paper = require('../../dist/paper-full.js');
+var paper = require('../../dist/paper-core.js');
 var path = require('path');
 var fs = require('fs');
 
@@ -12,7 +12,7 @@ fs.readFile('./in.json', { encoding: 'utf8' }, function (err, data) {
         throw err;
     paper.project.importJSON(data);
     paper.view.update();
-    fs.writeFile(path.resolve(__dirname, 'out.pdf'), canvas.toBuffer(), function (err) {
+    fs.writeFile(path.resolve('./out.pdf'), canvas.toBuffer(), function (err) {
         if (err)
             throw err;
         console.log('Saved!');

examples/Node.js/RemoteRaster.js

@@ -1,7 +1,7 @@
 // Please note: When loading paper as a normal module installed in node_modules,
 // you would use this instead:
 // var paper = require('paper');
-var paper = require('../../dist/paper-full.js');
+var paper = require('../../dist/paper-core.js');
 var fs = require('fs');
 
 var canvas = paper.createCanvas(800, 600);
@@ -12,6 +12,7 @@ var raster = new paper.Raster(url);
 raster.position = paper.view.center;
 
 raster.onLoad = function() {
+    paper.view.update();
     console.log('The image has loaded:' + raster.bounds);
 
     // Saving the canvas to a file.

examples/Node.js/SvgExport.js

@@ -1,7 +1,7 @@
 // Please note: When loading paper as a normal module installed in node_modules,
 // you would use this instead:
 // var paper = require('paper');
-var paper = require('../../dist/paper-full.js');
+var paper = require('../../dist/paper-core.js');
 var path = require('path');
 var fs = require('fs');
 
@@ -45,7 +45,7 @@ with (paper) {
     var svg = project.exportSVG({ asString: true });
     console.log(svg);
 
-    fs.writeFile(path.resolve(__dirname, 'out.svg'),svg, function (err) {
+    fs.writeFile(path.resolve('./out.svg'),svg, function (err) {
         if (err) throw err;
         console.log('Saved!');
     });

examples/Node.js/SvgImport.js

@@ -1,12 +1,12 @@
 // Please note: When loading paper as a normal module installed in node_modules,
 // you would use this instead:
 // var paper = require('paper');
-var paper = require('../../dist/paper-full.js');
+var paper = require('../../dist/paper-core.js');
 var path = require('path');
 var fs = require('fs');
 
 paper.setup(new paper.Size(300, 600));
-paper.project.importSVG(/*'in.svg'*/'file://' + path.resolve(__dirname, 'in.svg'), {
+paper.project.importSVG(/*'in.svg'*/'file://' + path.resolve('./in.svg'), {
     onLoad: function(item) {
         paper.view.exportFrames({
             amount: 1,

package.json

@@ -46,7 +46,7 @@
     "gulp-cached": "^1.1.0",
     "gulp-git-streamed": "^1.0.0",
     "gulp-jshint": "^2.0.0",
-    "gulp-prepro": "^2.3.0",
+    "gulp-prepro": "^2.4.0",
     "gulp-qunits": "^2.0.1",
     "gulp-rename": "^1.2.2",
     "gulp-shell": "^0.5.2",
@@ -60,7 +60,7 @@
     "jshint": "2.8.x",
     "jshint-summary": "^0.4.0",
     "merge-stream": "^1.0.0",
-    "prepro": "^2.3.0",
+    "prepro": "^2.4.0",
     "qunitjs": "^1.20.0",
     "require-dir": "^0.3.0",
     "resemblejs": "^2.1.0",

src/node/extend.js

@@ -12,46 +12,47 @@
 
 var fs = require('fs'),
     path = require('path');
-    Canvas = require('canvas');
 
 module.exports = function(paper) {
-    var sourceMaps = {},
+    if (paper.PaperScript) {
-        sourceMapSupprt = 'require("source-map-support").install(paper.PaperScript.sourceMapSupport);\n';
+        var sourceMapSupprt = 'require("source-map-support").install(paper.PaperScript.sourceMapSupport);\n',
+            sourceMaps = {};
 
-    paper.PaperScript.sourceMapSupport = {
+        paper.PaperScript.sourceMapSupport = {
-        retrieveSourceMap: function(source) {
+            retrieveSourceMap: function(source) {
-            var map = sourceMaps[source];
+                var map = sourceMaps[source];
-            return map ? { url: source, map: map } : null;
+                return map ? { url: source, map: map } : null;
-        }
+            }
-    };
-
-    // Register the .pjs extension for automatic compilation as PaperScript
-    require.extensions['.pjs'] = function(module, filename) {
-        // Requiring a PaperScript on Node.js returns an initialize method which
-        // needs to receive a Canvas object when called and returns the
-        // PaperScope.
-        module.exports = function(canvas) {
-            var source = fs.readFileSync(filename, 'utf8'),
-                code = sourceMapSupprt + source,
-                compiled = paper.PaperScript.compile(code, {
-                    url: filename,
-                    source: source,
-                    sourceMaps: true,
-                    offset: -1 // remove sourceMapSupprt...
-                }),
-                scope = new paper.PaperScope();
-            // Keep track of sourceMaps so retrieveSourceMap() can link them up
-            scope.setup(canvas);
-            scope.__filename = filename;
-            scope.__dirname = path.dirname(filename);
-            // Expose core methods and values
-            scope.require = require;
-            scope.console = console;
-            sourceMaps[filename] = compiled.map;
-            paper.PaperScript.execute(compiled, scope);
-            return scope;
         };
-    };
+
+        // Register the .pjs extension for automatic compilation as PaperScript
+        require.extensions['.pjs'] = function(module, filename) {
+            // Requiring a PaperScript on Node.js returns an initialize method which
+            // needs to receive a Canvas object when called and returns the
+            // PaperScope.
+            module.exports = function(canvas) {
+                var source = fs.readFileSync(filename, 'utf8'),
+                    code = sourceMapSupprt + source,
+                    compiled = paper.PaperScript.compile(code, {
+                        url: filename,
+                        source: source,
+                        sourceMaps: true,
+                        offset: -1 // remove sourceMapSupprt...
+                    }),
+                    scope = new paper.PaperScope();
+                // Keep track of sourceMaps so retrieveSourceMap() can link them up
+                scope.setup(canvas);
+                scope.__filename = filename;
+                scope.__dirname = path.dirname(filename);
+                // Expose core methods and values
+                scope.require = require;
+                scope.console = console;
+                sourceMaps[filename] = compiled.map;
+                paper.PaperScript.execute(compiled, scope);
+                return scope;
+            };
+        };
+    }
 
     paper.PaperScope.inject({
         createCanvas: function(width, height, type) {