Add Task and template for building examples

tasks/build-examples.js

@@ -0,0 +1,71 @@
+/*global Buffer */
+
+var Metalsmith = require('metalsmith');
+var templates = require('metalsmith-templates');
+var marked = require('marked');
+var fs = require('fs');
+var pjson = require('../package.json');
+
+var fileRegEx = /([^\/^\.]*)\.html$/;
+var cleanupJSRegEx = /.*(goog\.require(.*);|.*renderer: exampleNS\..*,?)[\n]*/g;
+
+function main(callback) {
+
+  function build(files) {
+    var file, match, str;
+    for (var f in files) {
+      file = files[f];
+      match = f.match(fileRegEx);
+      if (match) {
+        if (file.title) {
+          if (file.docs) {
+            file.docs = marked(file.docs);
+          }
+          if (file.contents) {
+            str = marked(file.contents.toString());
+            file.contents = new Buffer(str);
+          }
+          file.ol_version = pjson.version;
+          file.js_resource = '<script src="loader.js?id=' + match[1] +
+              '"></script>';
+          var js = fs.readFileSync(__dirname + '/../examples_src/' +
+              match[1] + '.js', 'utf8');
+          file.js_inline = js.replace(cleanupJSRegEx, '');
+          var cssFile = __dirname + '/../examples_src/' + match[1] + '.css';
+          if (fs.existsSync(cssFile)) {
+            file.css_resource = '<link rel="stylesheet" href="' + match[1] +
+                '.css">';
+            file.css_inline = fs.readFileSync(cssFile, 'utf-8');
+          }
+        }
+      }
+    }
+  }
+
+
+  new Metalsmith('.')
+      .source('examples_src')
+      .destination('examples')
+      .use(build)
+      .use(templates({
+        engine: 'handlebars',
+        directory: 'config/examples'
+      }))
+      .build(function(err) {
+        callback(err);
+      });
+}
+
+
+if (require.main === module) {
+  main(function(err) {
+    if (err) {
+      process.stderr.write(err.message + '\n');
+      process.exit(1);
+    } else {
+      process.exit(0);
+    }
+  });
+}
+
+module.exports = main;