From 5ca2da76df0d1ecf869b8a1fd4e8ad7a15d39d72 Mon Sep 17 00:00:00 2001
From: John-David Dalton <john.david.dalton@gmail.com>
Date: Wed, 11 Jul 2012 05:39:30 -0400
Subject: [PATCH] Make build.js work as a npm executable.

Former-commit-id: fff327957854aa85a5abfe80994b59f3d0d24370
---
 build.js              |  9 ++++++---
 build/minify.js       | 32 +++++++++++++++++++-------------
 build/post-compile.js |  2 +-
 build/pre-compile.js  |  4 ++--
 4 files changed, 28 insertions(+), 19 deletions(-)

diff --git a/build.js b/build.js
index 45510c5e8..e8715ae5a 100755
--- a/build.js
+++ b/build.js
@@ -8,6 +8,9 @@
       vm = require('vm'),
       minify = require(path.join(__dirname, 'build', 'minify'));
 
+  /** The current working directory */
+  var cwd = process.cwd();
+
   /** Flag used to specify a backbone build */
   var isBackbone = process.argv.indexOf('backbone') > -1;
 
@@ -871,14 +874,14 @@
 
   // begin the minification process
   if (filterType || isBackbone || isLegacy || isMobile) {
-    fs.writeFileSync(path.join(__dirname, 'lodash.custom.js'), source);
+    fs.writeFileSync(path.join(cwd, 'lodash.custom.js'), source);
     minify(source, 'lodash.custom.min', function(result) {
-      fs.writeFileSync(path.join(__dirname, 'lodash.custom.min.js'), result);
+      fs.writeFileSync(path.join(cwd, 'lodash.custom.min.js'), result);
     });
   }
   else {
     minify(source, 'lodash.min', function(result) {
-      fs.writeFileSync(path.join(__dirname, 'lodash.min.js'), result);
+      fs.writeFileSync(path.join(cwd, 'lodash.min.js'), result);
     });
   }
 }());
diff --git a/build/minify.js b/build/minify.js
index 39efec5e0..95f691311 100755
--- a/build/minify.js
+++ b/build/minify.js
@@ -35,8 +35,8 @@
   /*--------------------------------------------------------------------------*/
 
   /**
-   * The exposed `minify` function minifies a given `source` and invokes the
-   * `onComplete` callback when finished.
+   * The exposed `minify` function minifies a given Lo-Dash `source` and invokes
+   * the `onComplete` callback when finished.
    *
    * @param {String} source The source to minify.
    * @param {String} workingName The name to give temporary files creates during the minification process.
@@ -58,7 +58,10 @@
   function Minify(source, workingName, onComplete) {
     // create the destination directory if it doesn't exist
     if (!fs.existsSync(distPath)) {
-      fs.mkdirSync(distPath);
+      // avoid errors when called as a npm executable
+      try {
+        fs.mkdirSync(distPath);
+      } catch(e) { }
     }
 
     this.compiled = {};
@@ -291,17 +294,20 @@
         name = this.workingName,
         uglified = this.uglified;
 
-    // save the Closure Compiled version to disk
-    fs.writeFileSync(path.join(distPath, name + '.compiler.js'), compiled.source);
-    fs.writeFileSync(path.join(distPath, name + '.compiler.js.gz'), compiled.gzip);
+    // avoid errors when called as a npm executable
+    try {
+      // save the Closure Compiled version to disk
+      fs.writeFileSync(path.join(distPath, name + '.compiler.js'), compiled.source);
+      fs.writeFileSync(path.join(distPath, name + '.compiler.js.gz'), compiled.gzip);
 
-    // save the Uglified version to disk
-    fs.writeFileSync(path.join(distPath, name + '.uglify.js'), uglified.source);
-    fs.writeFileSync(path.join(distPath, name + '.uglify.js.gz'), uglified.gzip);
+      // save the Uglified version to disk
+      fs.writeFileSync(path.join(distPath, name + '.uglify.js'), uglified.source);
+      fs.writeFileSync(path.join(distPath, name + '.uglify.js.gz'), uglified.gzip);
 
-    // save the hybrid minified version to disk
-    fs.writeFileSync(path.join(distPath, name + '.hybrid.js'), hybrid.source);
-    fs.writeFileSync(path.join(distPath, name + '.hybrid.js.gz'), hybrid.gzip);
+      // save the hybrid minified version to disk
+      fs.writeFileSync(path.join(distPath, name + '.hybrid.js'), hybrid.source);
+      fs.writeFileSync(path.join(distPath, name + '.hybrid.js.gz'), hybrid.gzip);
+    } catch(e) { }
 
     // select the smallest gzipped file and use its minified counterpart as the
     // official minified release (ties go to Closure Compiler)
@@ -324,7 +330,7 @@
     module.exports = minify;
   }
   else {
-    // read the JavaScript source file from the first argument if the script
+    // read the Lo-Dash source file from the first argument if the script
     // was invoked directly (e.g. `node minify.js source.js`) and write to
     // the same file
     (function() {
diff --git a/build/post-compile.js b/build/post-compile.js
index 544318ea4..915d39f7d 100644
--- a/build/post-compile.js
+++ b/build/post-compile.js
@@ -56,7 +56,7 @@
   if (module != require.main) {
     module.exports = postprocess;
   } else {
-    // read the JavaScript source file from the first argument if the script
+    // read the Lo-Dash source file from the first argument if the script
     // was invoked directly (e.g. `node post-compile.js source.js`) and write to
     // the same file
     (function() {
diff --git a/build/pre-compile.js b/build/pre-compile.js
index bbc57dcf4..5736212e7 100644
--- a/build/pre-compile.js
+++ b/build/pre-compile.js
@@ -196,7 +196,7 @@
   /*--------------------------------------------------------------------------*/
 
   /**
-   * Pre-process a given Lo-Dash source, preparing it for minification.
+   * Pre-process a given Lo-Dash `source`, preparing it for minification.
    *
    * @param {String} source The source to process.
    * @returns {String} Returns the processed source.
@@ -361,7 +361,7 @@
     module.exports = preprocess;
   }
   else {
-    // read the JavaScript source file from the first argument if the script
+    // read the Lo-Dash source file from the first argument if the script
     // was invoked directly (e.g. `node pre-compile.js source.js`) and write to
     // the same file
     (function() {