add support for injecting scripts

webpro · Jun 9, 2016 · a88e8f5 · a88e8f5
1 parent ddd8f4b
commit a88e8f5
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Showing 3 changed files with 23 additions and 3 deletions.
diff --git a/bin/cli.js b/bin/cli.js
@@ -26,6 +26,7 @@ program
     .option('-r, --print [filename]', 'Print')
     .option('-s, --separator [separator]', 'Slide separator')
     .option('-v, --verticalSeparator [vertical separator]', 'Vertical slide separator')
+    .option('-i, --scripts [list of scripts]', 'Scripts to inject into the page')
     .option('--disableAutoOpen', 'Disable to automatically open your web browser')
     .option('--static', 'Export static html to stdout. Save to reveal.js/index.html to' +
         ' match dependencies. HINT: printing does not work properly in this mode')
@@ -128,7 +129,10 @@ if (program.static) {
         verticalSeparator: program.verticalSeparator,
         printFile: program.print,
         revealOptions: revealOptions,
-        openWebBrowser: !program.disableAutoOpen
+        openWebBrowser: !program.disableAutoOpen,
+        scripts: (program.scripts || '').split(',').map(function (script) {
+            return script[0] === '/' ? script : path.resolve(process.cwd(), script);
+        })
     });
 }
 

diff --git a/bin/server.js b/bin/server.js
@@ -28,7 +28,8 @@ var opts = {
     title: 'reveal-md',
     separator: '^(\r\n?|\n)---(\r\n?|\n)$',
     verticalSeparator: '^(\r\n?|\n)----(\r\n?|\n)$',
-    revealOptions: {}
+    revealOptions: {},
+    scripts: {}
 };
 
 var printPluginPath = path.join(serverBasePath, 'node_modules', 'reveal.js', 'plugin', 'print-pdf', 'print-pdf.js');
@@ -49,6 +50,11 @@ var fillOpts = function(options) {
     opts.printMode = typeof options.printFile !== 'undefined' && options.printFile || opts.printMode;
     opts.revealOptions = options.revealOptions || {};
     opts.openWebBrowser = options.openWebBrowser;
+
+    opts.scripts = {};
+    options.scripts.forEach(function (script) {
+        opts.scripts[ path.basename(script) ] = script;
+    });
 };
 
 
@@ -63,6 +69,7 @@ var startMarkdownServer = function(options) {
         staticDir(path.join(serverBasePath, 'node_modules', 'highlight.js', 'styles', opts.highlightTheme + '.css')));
 
     app.get(/(\w+\.md)$/, renderMarkdownAsSlides);
+    app.get('/scripts/*', getScript);
     app.get('/', renderMarkdownFileListing);
     app.get('/*', staticDir(opts.userBasePath));
 
@@ -142,6 +149,10 @@ var renderMarkdownAsSlides = function(req, res) {
     }
 };
 
+var getScript = function (req, res) {
+    res.sendFile( opts.scripts[req.url.substr( req.url.indexOf('/scripts/') + 9 )] );
+};
+
 var render = function(res, markdown) {
     var slides = md.slidify(markdown, opts);
 
@@ -150,7 +161,8 @@ var render = function(res, markdown) {
         highlightTheme: opts.highlightTheme,
         title: opts.title,
         slides: slides,
-        options: JSON.stringify(opts.revealOptions, null, 2)
+        options: JSON.stringify(opts.revealOptions, null, 2),
+        scripts: Object.keys(opts.scripts)
     }));
 };
 

diff --git a/template/reveal.html b/template/reveal.html
@@ -12,6 +12,10 @@
         <script>
           document.write( '<link rel="stylesheet" href="css/print/' + ( window.location.search.match( /print-pdf/gi ) ? 'pdf' : 'paper' ) + '.css" type="text/css" media="print">' );
         </script>
+
+        {{#scripts}}
+          <script src="/scripts/{{.}}"></script>
+        {{/scripts}}
     </head>
     <body>