added support for .npmscriptrc.js and custom config build target.

Author: typhonrt

.gitignore

@@ -4,3 +4,4 @@ npm-debug.log
 coverage
 node_modules
 test/dist
+test/dist-dev

.npmscriptrc

@@ -13,5 +13,18 @@
       "copy": [{ "source": "./test/data2", "destination": "./test/dist"}],
       "scripts": ["cp ./test/data/test.json ./test/dist/test.json"],
       "chmod": [{ "path": "./test/dist/TestDummy.js", "mode": "755"}]
+   },
+
+   "build-dev":
+   {
+      "babel":
+      {
+         "source": "test/src",
+         "destination": "test/dist-dev",
+         "options": ["--source-maps true"]
+      },
+      "copy": [{ "source": "./test/data2", "destination": "./test/dist-dev"}],
+      "scripts": ["cp ./test/data/test.json ./test/dist-dev/test.json"],
+      "chmod": [{ "path": "./test/dist-dev/TestDummy.js", "mode": "755"}]
    }
 }

README.md

@@ -12,11 +12,16 @@ Requirements: Node v5+ / NPM 3+
 
 Provides NPM scripts for building ES6 projects using Babel for all TyphonJS NPM modules and beyond.
 
-This NPM module uses entries defined in the `build.babel` entry located in `.npmscriptrc` in the root path of a project. 
+This NPM module uses entries defined in the `build.babel` entry located in `.npmscriptrc` or `.npmscriptrc.js` in the 
+root path of a project. An optional argument may be supplied to change the entry from `build.babel` to `<custom>.babel`.
 
-In addition the following Babel modules are installed that are handy for ES6 NPM modules:
+In addition the following Babel modules are installed that are handy for ES6+ development:
+- [babel-eslint](https://www.npmjs.com/package/babel-eslint)
 - [babel-plugin-add-module-exports](https://www.npmjs.com/package/babel-plugin-add-module-exports)
-- [babel-plugin-module-alias](https://www.npmjs.com/package/babel-plugin-module-alias)
+- [babel-plugin-module-resolver](https://www.npmjs.com/package/babel-plugin-module-resolver)
+- [babel-plugin-transform-runtime](https://www.npmjs.com/package/babel-plugin-transform-runtime)
+- [babel-preset-latest](https://www.npmjs.com/package/babel-preset-latest)
+- [babel-preset-stage-2](https://www.npmjs.com/package/babel-preset-stage-2)
 
 For the latest significant changes please see the [CHANGELOG](https://github.com/typhonjs-node-npm-scripts/typhonjs-npm-scripts-build-babel/blob/master/CHANGELOG.md).
 
@@ -28,10 +33,10 @@ To configure the build script provide this entry in `package.json` scripts entry
 
 ```
   "devDependencies": {
-    "typhonjs-npm-scripts-build-babel": "^0.5.0"
+    "typhonjs-npm-scripts-build-babel": "^0.6.0"
   },
   "scripts": {
-    "build": "babel-node ./node_modules/typhonjs-npm-scripts-build-babel/scripts/build.js"
+    "build": "babel-node ./node_modules/typhonjs-npm-scripts-build-babel/scripts/build.js <optional custom build entry>"
   },
 ```
 
@@ -102,4 +107,4 @@ The basic configuration with optional actions follows:
 }
 ```
 
-Please note that you can add comments to `.npmscriptrc`. Also please note that the build script performs a final sanity check to ensure that there are files / directories in the destination directory otherwise an exception is thrown. 
+Please note that you can add comments to `.npmscriptrc` and that `.npmscriptrc.js` is required and needs to use `module.exports`. Also please note that the build script performs a final sanity check to ensure that there are files / directories in the destination directory otherwise an exception is thrown. 

scripts/build.js

@@ -39,63 +39,85 @@ var cp =                require('child_process');
 var fs =                require('fs-extra');
 var stripJsonComments = require('strip-json-comments');
 
-// Verify that `.npmscriptrc` exists.
+var buildEntry = 'build';
+
+// Potentially set a new testEntry.
+if (typeof process.argv[2] === 'string')
+{
+   buildEntry = process.argv[2];
+}
+
+// Verify that `Babel` exists.
 /* istanbul ignore next */
 try
 {
-   if (!fs.statSync('./.npmscriptrc').isFile())
+   if (!fs.statSync('./node_modules/.bin/babel').isFile())
    {
-      throw new Error("'.npmscriptrc' not found in root path.");
+      throw new Error("could not locate Babel at './node_modules/.bin/babel'.");
    }
 }
 catch(err)
 {
    throw new Error("typhonjs-npm-scripts-build-babel error: " + err);
 }
 
-// Verify that `Babel` exists.
+var configInfo;
+
+// Attempt to require `.npmscriptrc.js`
 /* istanbul ignore next */
 try
 {
-   if (!fs.statSync('./node_modules/.bin/babel').isFile())
+   if (fs.statSync('./.npmscriptrc.js').isFile())
    {
-      throw new Error("could not locate Babel at './node_modules/.bin/babel'.");
+      configInfo = require('./.npmscriptrc.js');
    }
 }
-catch(err)
+catch (err) { /* nop */ }
+
+// Attempt to load `.npmscriptrc` and strip comments.
+/* istanbul ignore next */
+try
 {
-   throw new Error("typhonjs-npm-scripts-build-babel error: " + err);
+   if (fs.statSync('./.npmscriptrc').isFile())
+   {
+      configInfo = JSON.parse(stripJsonComments(fs.readFileSync('./.npmscriptrc', 'utf-8')));
+   }
 }
+catch (err) { /* nop */ }
 
-// Load `.npmscriptrc` and strip comments.
-var configInfo = JSON.parse(stripJsonComments(fs.readFileSync('./.npmscriptrc', 'utf-8')));
+// Exit now if no configInfo object has been loaded.
+if (typeof configInfo !== 'object')
+{
+   throw new Error("TyphonJS NPM script (build-babel) could not load `./npmscriptrc.js` or `./npmscriptrc`.");
+}
 
 // Verify that `build` entry is an object.
 /* istanbul ignore if */
-if (typeof configInfo.build !== 'object')
+if (typeof configInfo[buildEntry] !== 'object')
 {
    throw new Error(
-    "typhonjs-npm-scripts-build-babel error: 'build' entry is not an object or is missing in '.npmscriptrc'.");
+    "typhonjs-npm-scripts-build-babel error: '" + buildEntry +
+     "' entry is not an object or is missing in config file.");
 }
 
-
 // Verify that `build.babel` entry is an object.
 /* istanbul ignore if */
-if (typeof configInfo.build.babel !== 'object')
+if (typeof configInfo[buildEntry].babel !== 'object')
 {
    throw new Error(
-    "typhonjs-npm-scripts-build-babel error: 'build.babel' entry is not an object or is missing in '.npmscriptrc'.");
+    "typhonjs-npm-scripts-build-babel error: '" + buildEntry +
+     ".babel' entry is not an object or is missing in config file.");
 }
 
-var babelConfig = configInfo.build.babel;
+var babelConfig = configInfo[buildEntry].babel;
 
 // Verify that source entry is a string.
 /* istanbul ignore if */
 if (typeof babelConfig.source !== 'string')
 {
    throw new Error(
-    "typhonjs-npm-scripts-build-babel error: 'build.babel.source' entry is not a string or is missing in "
-    + "'.npmscriptrc'.");
+    "typhonjs-npm-scripts-build-babel error: '" + buildEntry + ".babel.source' entry is not a string or is missing in "
+    + "config file.");
 }
 
 // Verify that destination entry is a string.
@@ -104,7 +126,7 @@ if (typeof babelConfig.destination !== 'string')
 {
    throw new Error(
     "typhonjs-npm-scripts-build-babel error: 'build.babel.destination' entry is not a string or is missing in "
-     + "'.npmscriptrc'.");
+     + "config file.");
 }
 
 // Verify that source entry is a directory.
@@ -113,7 +135,7 @@ try
 {
    if (!fs.statSync(babelConfig.source).isDirectory())
    {
-      throw new Error("'build.babel.source' entry is not a directory: " + babelConfig.source);
+      throw new Error("'" + buildEntry + ".babel.source' entry is not a directory: " + babelConfig.source);
    }
 }
 catch(err)
@@ -130,7 +152,7 @@ try
 {
    if (!fs.statSync(babelConfig.destination).isDirectory())
    {
-      throw new Error("'build.babel.destination' entry is not a directory: " + babelConfig.destination);
+      throw new Error("'" + buildEntry + "babel.destination' entry is not a directory: " + babelConfig.destination);
    }
 }
 catch(err)
@@ -148,7 +170,8 @@ if (typeof babelConfig.options !== 'undefined')
    if (!Array.isArray(babelConfig.options))
    {
       throw new Error(
-       "typhonjs-npm-scripts-build-babel error: 'build.babel.options' entry is not an `array` in '.npmscriptrc'.");
+       "typhonjs-npm-scripts-build-babel error: '" + buildEntry +
+        ".babel.options' entry is not an `array` in '.npmscriptrc'.");
    }
 
    exec += ' ' + babelConfig.options.join(' ');
@@ -164,26 +187,26 @@ var cntr;
 // Copy files -------------------------------------------------------------------------------------------------------
 
 // Potentially copy files if a copy array is present
-if (Array.isArray(configInfo.build.copy))
+if (Array.isArray(configInfo[buildEntry].copy))
 {
-   for (cntr = 0; cntr < configInfo.build.copy.length; cntr++)
+   for (cntr = 0; cntr < configInfo[buildEntry].copy.length; cntr++)
    {
-      var copyEntry = configInfo.build.copy[cntr];
+      var copyEntry = configInfo[buildEntry].copy[cntr];
 
       /* istanbul ignore if */
       if (typeof copyEntry !== 'object')
       {
          throw new Error(
-          "typhonjs-npm-scripts-build-babel error: 'build.copy' entry `" +cntr
-           +"` is not an `object` in '.npmscriptrc'.");
+          "typhonjs-npm-scripts-build-babel error: '" + buildEntry + ".copy' entry `" +cntr
+           +"` is not an `object` in config file.");
       }
 
       /* istanbul ignore if */
       if (typeof copyEntry.source !== 'string' || typeof copyEntry.destination !== 'string')
       {
          throw new Error(
-          "typhonjs-npm-scripts-build-babel error: 'build.copy' entry `" +cntr
-           + "` has improperly formatted `source` or `destination` fields in '.npmscriptrc'.");
+          "typhonjs-npm-scripts-build-babel error: '" + buildEntry + ".copy' entry `" +cntr
+           + "` has improperly formatted `source` or `destination` fields in config file.");
       }
 
       console.log('typhonjs-npm-scripts-build-babel copy: ' + copyEntry.source + ' ' + copyEntry.destination);
@@ -195,36 +218,36 @@ if (Array.isArray(configInfo.build.copy))
 // Commands / scripts -----------------------------------------------------------------------------------------------
 
 // Potentially run commands or scripts if a scripts array is present
-if (Array.isArray(configInfo.build.scripts))
+if (Array.isArray(configInfo[buildEntry].scripts))
 {
    var runner = require('typhonjs-npm-scripts-runner');
 
-   runner.run('.npmscriptrc', 'build.scripts', 'typhonjs-npm-scripts-build-babel');
+   runner.run(['.npmscriptrc', '.npmscriptrc.js'], buildEntry + '.scripts', 'typhonjs-npm-scripts-build-babel');
 }
 
 // Chmod files ------------------------------------------------------------------------------------------------------
 
 // Potentially chmod files if a chmod array is present
-if (Array.isArray(configInfo.build.chmod))
+if (Array.isArray(configInfo[buildEntry].chmod))
 {
-   for (cntr = 0; cntr < configInfo.build.chmod.length; cntr++)
+   for (cntr = 0; cntr < configInfo[buildEntry].chmod.length; cntr++)
    {
-      var chmodEntry = configInfo.build.chmod[cntr];
+      var chmodEntry = configInfo[buildEntry].chmod[cntr];
 
       /* istanbul ignore if */
       if (typeof chmodEntry !== 'object')
       {
          throw new Error(
-          "typhonjs-npm-scripts-build-babel error: 'build.cntr' chmod `" +cntr
-           +"` is not an `object` in '.npmscriptrc'.");
+          "typhonjs-npm-scripts-build-babel error: '" + buildEntry + ".chmod' `" +cntr
+           +"` is not an `object` in config file.");
       }
 
       /* istanbul ignore if */
       if (typeof chmodEntry.path !== 'string' || typeof chmodEntry.mode !== 'string')
       {
          throw new Error(
-          "typhonjs-npm-scripts-build-babel error: 'build.chmod' entry `" +cntr
-           + "` has improperly formatted `path` or `mode` fields in '.npmscriptrc'.");
+          "typhonjs-npm-scripts-build-babel error: '" + buildEntry + ".chmod' entry `" +cntr
+           + "` has improperly formatted `path` or `mode` fields in config file.");
       }
 
       console.log('typhonjs-npm-scripts-build-babel chmod: ' + chmodEntry.path + ' ' + chmodEntry.mode);