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public/tinymce/tools/tasks/bundle.js

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+var fs = require("fs");
+var path = require("path");
+
+module.exports = function (grunt) {
+  grunt.registerMultiTask("bundle", "Bundles code, themes and bundles to a single file.", function () {
+    var options, contents, themes, plugins;
+
+    function appendFile(src) {
+      src = src.replace(/\\/g, '/');
+
+      if (fs.existsSync(src)) {
+        grunt.log.writeln("Appending file:", src);
+        contents += grunt.file.read(src);
+      } else {
+        grunt.fail.fatal("Could not find file: " + src);
+      }
+    }
+
+    function append(dirPath, fileName, value) {
+      if (value) {
+        value.split(/,/).forEach(function (src) {
+          appendFile(path.join(dirPath, src, fileName));
+        });
+      }
+    }
+
+    options = grunt.config([this.name, this.target]).options;
+    options.themesDir = options.themesDir || "plugins";
+    options.themeFileName = options.themeFileName || "theme.min.js";
+    options.pluginsDir = options.pluginsDir || "plugins";
+    options.pluginFileName = options.pluginFileName || "plugin.min.js";
+    options.outputPath = options.outputPath || "full.min.js";
+
+    themes = grunt.option("themes");
+    plugins = grunt.option("plugins");
+
+    if (!themes && !plugins) {
+      grunt.log.writeln("Use: grunt bundle --themes <comma separated list of themes> --plugins <comma separated list of plugins>");
+      process.exit(-1);
+      return;
+    }
+
+    contents = "";
+    this.files.forEach(function (filePair) {
+      filePair.src.forEach(function (src) {
+        appendFile(src);
+      });
+    });
+
+    append(options.themesDir, options.themeFileName, themes);
+    append(options.pluginsDir, options.pluginFileName, plugins);
+
+    if (contents.length > 0) {
+      grunt.file.write(options.outputPath, contents);
+      grunt.log.ok("Created bundle js:", options.outputPath);
+    }
+  });
+};