feat: add CSS (PostCSS dialect)

Author: joscha

index.js

@@ -6,6 +6,7 @@ var detectiveCjs = require('detective-cjs');
 var detectiveAmd = require('detective-amd');
 var detectiveEs6 = require('detective-es6');
 var detectiveLess = require('detective-less');
+var detectivePostcss = require('detective-postcss');
 var detectiveSass = require('detective-sass');
 var detectiveScss = require('detective-scss');
 var detectiveStylus = require('detective-stylus');
@@ -71,6 +72,9 @@ function precinct(content, options) {
     case 'commonjs':
       theDetective = mixedMode ? detectiveEs6Cjs : detectiveCjs;
       break;
+    case 'css':
+      theDetective = detectivePostcss;
+      break;
     case 'amd':
       theDetective = detectiveAmd;
       break;
@@ -137,7 +141,7 @@ precinct.paperwork = function(filename, options) {
   var ext = path.extname(filename);
   var type;
 
-  if (ext === '.scss' || ext === '.sass' || ext === '.less' || ext === '.ts') {
+  if (ext === '.css' || ext === '.scss' || ext === '.sass' || ext === '.less' || ext === '.ts') {
     type = ext.replace('.', '');
 
   } else if (ext === '.styl') {

package-lock.json

@@ -39,6 +39,7 @@
     "detective-cjs": "^2.0.0",
     "detective-es6": "^1.2.0",
     "detective-less": "^1.0.1",
+    "detective-postcss": "^2.0.0",
     "detective-sass": "^2.0.0",
     "detective-scss": "^1.0.0",
     "detective-stylus": "^1.0.0",

package.json

@@ -74,12 +74,17 @@ describe('node-precinct', function() {
     assert(cjs.length === 0);
   });
 
+  it('grabs dependencies of css files', function() {
+    var css = precinct(read('styles.css'), 'css');
+    assert.deepEqual(css, ['foo.css', 'baz.css', 'bla.css', 'another.css']);
+  });
+
   it('grabs dependencies of scss files', function() {
     var scss = precinct(read('styles.scss'), 'scss');
     assert.deepEqual(scss, ['_foo', 'baz.scss']);
   });
 
-  it('grabs dependencies of scss files', function() {
+  it('grabs dependencies of sass files', function() {
     var sass = precinct(read('styles.sass'), 'sass');
     assert.deepEqual(sass, ['_foo']);
   });

test/index.js

@@ -0,0 +1,4 @@
+@import "foo.css";
+@import url("baz.css");
+@value a from 'bla.css';
+@value a, b as x from url(another.css);