jbAdyoulike
diff --git a/‎README.md
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diff --git a/‎adapters.json
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diff --git a/‎analytics.json
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diff --git a/‎gulpHelpers.js
Lines changed: 99 additions & 12 deletions b/‎gulpHelpers.js
Lines changed: 99 additions & 12 deletions
@@ -51,17 +51,11 @@ This runs some code quality checks, starts a web server at `http://localhost:999
 
 ### Build Optimization
 
-The standard build output contains all the available bidder adapters listed in `adapters.json`.
+The standard build output contains all the available modules from within the `modules` folder.
 
-You might want to exclude some/most of them from the final bundle.  To make sure the build only includes the adapters you want, you can make your own adapters file.
+You might want to exclude some/most of them from the final bundle.  To make sure the build only includes the modules you want, you can specify the modules to be included with the `--modules` CLI argument.
 
-For example, in `path/to/your/list-of-adapters.json`, write:
-
-        [
-            "openx",
-            "rubicon",
-            "sovrn"
-        ]
+For example, when running the serve command: `gulp serve --modules=openxBidAdapter,rubiconBidAdapter,sovrnBidAdapter`
 
 Building with just these adapters will result in a smaller bundle which should allow your pages to load faster.
 
@@ -71,26 +65,35 @@ Prebid now supports the `yarn` npm client. This is an alternative to using `npm`
 For more info about yarn see https://yarnpkg.com
 
 - Clone the repo, run `yarn install`
-- Duplicate `adapters.json` to e.g. `list-of-adapters.json`
-- Remove the unnecessary adapters from `list-of-adapters.json`
 - Then run the build:
 
-        $ gulp build --adapters path/to/your/list-of-adapters.json
+        $ gulp build --modules=openxBidAdapter,rubiconBidAdapter,sovrnBidAdapter
+        
+Alternatively, a `.json` file can be specified that contains a list of modules you would like to include.
+
+    $ gulp build --modules=modules.json
+        
+With `modules.json` containing the following
+```json modules.json
+[
+  "openxBidAdapter",
+  "rubiconBidAdapter",
+  "sovrnBidAdapter"
+]
+```
 
 **Build prebid.js using Yarn for bundling**
 
 In case you'd like to explicitly show that your project uses `prebid.js` and want a reproducible build, consider adding it as an `yarn` dependency.
 
 - Add `prebid.js` as a `yarn` dependency of your project: `yarn add prebid.js`
-- Duplicate `node_modules/prebid.js/adapters.json` to under your project path, e.g. `path/to/your/list-of-adapters.json`
-- Remove the unnecessary adapters
 - Run the `prebid.js` build under the `node_modules/prebid.js/` folder
 
-        $ gulp build --adapters path/to/your/list-of-adapters.json
+        $ gulp build --modules=path/to/your/list-of-modules.json
 
 Most likely your custom `prebid.js` will only change when there's:
 
-- A change in your list of adapters
+- A change in your list of modules
 - A new release of `prebid.js`
 
 Having said that, you are probably safe to check your custom bundle into your project.  You can also generate it in your build process.
@@ -156,7 +159,7 @@ Our PR review process can be found [here](https://github.com/prebid/Prebid.js/tr
 
 ### Add a Bidder Adapter
 
-To add a bidder adapter, see the instructions in [How to add a bidder adaptor](http://prebid.org/dev-docs/bidder-adaptor.html).
+To add a bidder adapter module, see the instructions in [How to add a bidder adaptor](http://prebid.org/dev-docs/bidder-adaptor.html).
 
 Please **do NOT load Prebid.js inside your adapter**. If you do this, we will reject or remove your adapter as appropriate.
 
 
@@ -4,6 +4,26 @@ const path = require('path');
 const argv = require('yargs').argv;
 const MANIFEST = 'package.json';
 const exec = require('child_process').exec;
+const through = require('through2');
+const _ = require('lodash');
+const gutil = require('gulp-util');
+
+const MODULE_PATH = './modules';
+const BUILD_PATH = './build/dist';
+const DEV_PATH = './build/dev';
+
+
+// get only subdirectories that contain package.json with 'main' property
+function isModuleDirectory(filePath) {
+  try {
+    const manifestPath = path.join(filePath, MANIFEST);
+    if (fs.statSync(manifestPath).isFile()) {
+      const module = require(manifestPath);
+      return module && module.main;
+    }
+  }
+  catch (error) {}
+}
 
 module.exports = {
   parseBrowserArgs: function (argv) {
@@ -20,6 +40,85 @@ module.exports = {
         .replace(/<\//g, '<\\/')
         .replace(/\/>/g, '\\/>');
   },
+  getArgModules() {
+    var modules = (argv.modules || '').split(',').filter(module => !!module);
+
+    try {
+      if (modules.length === 1 && path.extname(modules[0]).toLowerCase() === '.json') {
+        var moduleFile = modules[0];
+
+        modules = JSON.parse(
+          fs.readFileSync(moduleFile, 'utf8')
+        );
+      }
+    } catch(e) {
+      throw new gutil.PluginError({
+        plugin: 'modules',
+        message: 'failed reading: ' + argv.modules
+      });
+    }
+
+    return modules;
+  },
+  getModules: _.memoize(function(externalModules) {
+    externalModules = externalModules || [];
+    var internalModules;
+    try {
+      internalModules = fs.readdirSync(MODULE_PATH)
+        .filter(file => !(/(^|\/)\.[^\/\.]/g).test(file))
+        .reduce((memo, file) => {
+          var moduleName = file.split(new RegExp('[.' + path.sep + ']'))[0];
+          var filePath = path.join(MODULE_PATH, file);
+          var modulePath = path.join(__dirname, filePath)
+          if (fs.lstatSync(filePath).isDirectory()) {
+            modulePath = path.join(__dirname, filePath, "index.js")
+          }
+          memo[modulePath] = moduleName;
+          return memo;
+        }, {});
+    } catch(err) {
+      internalModules = {};
+    }
+    return Object.assign(externalModules.reduce((memo, module) => {
+      try {
+        var modulePath = require.resolve(module);
+        memo[modulePath] = module;
+      } catch(err) {
+        // do something
+      }
+      return memo;
+    }, internalModules));
+  }),
+
+  getBuiltModules: function(dev, externalModules) {
+    var modules = this.getModuleNames(externalModules);
+    if(Array.isArray(externalModules)) {
+      modules = _.intersection(modules, externalModules);
+    }
+    return modules.map(name => path.join(__dirname, dev ? DEV_PATH : BUILD_PATH, name + '.js'));
+  },
+
+  getBuiltPrebidCoreFile: function(dev) {
+    return path.join(__dirname, dev ? DEV_PATH : BUILD_PATH, 'prebid-core' + '.js');
+  },
+
+  getModulePaths: function(externalModules) {
+    var modules = this.getModules(externalModules);
+    return Object.keys(modules);
+  },
+
+  getModuleNames: function(externalModules) {
+    return _.values(this.getModules(externalModules));
+  },
+
+  nameModules: function(externalModules) {
+    var modules = this.getModules(externalModules);
+    return through.obj(function(file, enc, done) {
+      file.named = modules[file.path] ? modules[file.path] : 'prebid';
+      this.push(file);
+      done();
+    })
+  },
 
   /*
    * Get source files for analytics subdirectories in top-level `analytics`
@@ -37,18 +136,6 @@ module.exports = {
         const module = require(path.join(directory, moduleDirectory, MANIFEST));
         return path.join(directory, moduleDirectory, module.main);
       });
-
-    // get only subdirectories that contain package.json with 'main' property
-    function isModuleDirectory(filePath) {
-      try {
-        const manifestPath = path.join(filePath, MANIFEST);
-        if (fs.statSync(manifestPath).isFile()) {
-          const module = require(manifestPath);
-          return module && module.main;
-        }
-      }
-      catch (error) {}
-    }
   },
 
   createEnd2EndTestReport : function(targetDestinationDir) {