doc: syntax highlight of js example

README.md

@@ -33,56 +33,58 @@ Nextract is a [Extract Transform Load (ETL)](https://en.wikipedia.org/wiki/Extra
 
 ## Example Transform
 
-    /**
-     * Example: JSON input and sort...
-     */
-    
-    const path     = require('path'),
-          Nextract = require(path.resolve(__dirname, '../nextract'));
-
-    //Define our input and output files
-    const sampleEmployeesInputFilePath = path.resolve(process.cwd(), 'data/employees.json'),
-          sampleEmployeesOutputFilePath = path.resolve(process.cwd(), 'data/employees_output.json');
-
-    //Tranforms always start with instance of the Nextract base class and a tranform name
-    const transform = new Nextract('jsonAndSort');
-    
-    //We load the core plugin and then an additional plugins our transform requires
-    transform.loadPlugins('Core', ['Input', 'Output', 'Sort', 'Logger'])
-      .then(() => {
-        return new Promise((resolve) => {
-          //STEP 1: Read data in from a JSON file (we specify the object path we care about)
-          transform.Plugins.Core.Input.readJsonFile(sampleEmployeesInputFilePath, 'data.employees.*')
-            //STEP 2: Pass data in to be sorted (1 element is pushed back and it is the expected input
-            //for a new stream read call to sortOut)
-            .pipe(transform.Plugins.Core.Sort.sortIn(['last_name'], ['asc']))
-            .on('data', (sortInDbInfo) => {
-              if (sortInDbInfo !== undefined) {
-                resolve(sortInDbInfo);
-              }
-            });
+```javascript
+/**
+ * Example: JSON input and sort...
+ */
+
+const path     = require('path'),
+      Nextract = require(path.resolve(__dirname, '../nextract'));
+
+//Define our input and output files
+const sampleEmployeesInputFilePath = path.resolve(process.cwd(), 'data/employees.json'),
+      sampleEmployeesOutputFilePath = path.resolve(process.cwd(), 'data/employees_output.json');
+
+//Tranforms always start with instance of the Nextract base class and a tranform name
+const transform = new Nextract('jsonAndSort');
+
+//We load the core plugin and then an additional plugins our transform requires
+transform.loadPlugins('Core', ['Input', 'Output', 'Sort', 'Logger'])
+  .then(() => {
+    return new Promise((resolve) => {
+      //STEP 1: Read data in from a JSON file (we specify the object path we care about)
+      transform.Plugins.Core.Input.readJsonFile(sampleEmployeesInputFilePath, 'data.employees.*')
+        //STEP 2: Pass data in to be sorted (1 element is pushed back and it is the expected input
+        //for a new stream read call to sortOut)
+        .pipe(transform.Plugins.Core.Sort.sortIn(['last_name'], ['asc']))
+        .on('data', (sortInDbInfo) => {
+          if (sortInDbInfo !== undefined) {
+            resolve(sortInDbInfo);
+          }
         });
+    });
+  })
+  .then((sortInDbInfo) => {
+    transform.Plugins.Core.Sort.sortOut(sortInDbInfo)
+      //STEP 3: We want to write the sorted data back out to a new JSON file so first we use
+      //toJsonString to stringify the stream.
+      .pipe(transform.Plugins.Core.Output.toJsonString(true))
+      //STEP 4: Write out the new file
+      .pipe(transform.Plugins.Core.Output.toFile(sampleEmployeesOutputFilePath))
+      .on('finish', () => {
+        //Just logging some information back to the console
+        transform.Plugins.Core.Logger.info('Transform finished!');
+        transform.Plugins.Core.Logger.info(sampleEmployeesOutputFilePath, 'has been written');
       })
-      .then((sortInDbInfo) => {
-        transform.Plugins.Core.Sort.sortOut(sortInDbInfo)
-          //STEP 3: We want to write the sorted data back out to a new JSON file so first we use
-          //toJsonString to stringify the stream.
-          .pipe(transform.Plugins.Core.Output.toJsonString(true))
-          //STEP 4: Write out the new file
-          .pipe(transform.Plugins.Core.Output.toFile(sampleEmployeesOutputFilePath))
-          .on('finish', () => {
-            //Just logging some information back to the console
-            transform.Plugins.Core.Logger.info('Transform finished!');
-            transform.Plugins.Core.Logger.info(sampleEmployeesOutputFilePath, 'has been written');
-          })
-          .on('end', () => {
-            transform.Plugins.Core.Logger.info('Transform ended!');
-            process.exit();
-          });
-      })
-      .catch((err) => {
-        transform.Plugins.Core.Logger.error('Transform failed: ', err);
+      .on('end', () => {
+        transform.Plugins.Core.Logger.info('Transform ended!');
+        process.exit();
       });
+  })
+  .catch((err) => {
+    transform.Plugins.Core.Logger.error('Transform failed: ', err);
+  });
+```
 
 ## Development
  The source code for this project lives under the `src` directory. Grunt is used to build the project and generate API docs when the source is updated. When developing, simply run `grunt watch` from the project's root directory. As the source is updated Grunt will automatically generate new builds in the `build` directory.