obliterate junk

.editorconfig

@@ -8,5 +8,9 @@ charset = utf-8
 trim_trailing_whitespace = true
 insert_final_newline = true
 
+[package.json]
+indent_style = space
+indent_size = 2
+
 [*.md]
 trim_trailing_whitespace = false

.jshintrc

@@ -4,17 +4,10 @@
 	"bitwise": true,
 	"camelcase": true,
 	"curly": true,
-	"eqeqeq": true,
 	"immed": true,
-	"indent": 4,
-	"latedef": true,
 	"newcap": true,
 	"noarg": true,
-	"quotmark": "single",
-	"regexp": true,
 	"undef": true,
-	"unused": true,
-	"strict": true,
-	"trailing": true,
-	"smarttabs": true
+	"unused": "vars",
+	"strict": true
 }

.travis.yml

@@ -1,4 +1,3 @@
 language: node_js
 node_js:
   - '0.10'
-  - '0.8'

index.js

@@ -0,0 +1,63 @@
+'use strict';
+var RE_MULTILINE_COMMENTS = /\/\*[\S\s]*?\*\//;
+var RE_EMPTY_LINE = /^\s*$/;
+var RE_LEADING_WHITESPACE = /^[ \t]+/;
+
+function gcd(a, b) {
+	return b ? gcd(b, a % b) : a;
+}
+
+module.exports = function (str) {
+	if (typeof str !== 'string') {
+		throw new TypeError('Expected a string');
+	}
+
+	var lines = str.replace(RE_MULTILINE_COMMENTS, '').split(/\r?\n/);
+	var tabs = 0;
+	var spaces = [];
+
+	for (var i = 0; i < lines.length; i++) {
+		var line = lines[i];
+
+		if (RE_EMPTY_LINE.test(line)) {
+			continue;
+		}
+
+		var matches = line.match(RE_LEADING_WHITESPACE);
+
+		if (matches) {
+			var whitespace = matches[0];
+			var len = whitespace.length;
+
+			if (whitespace.indexOf('\t') !== -1) {
+				tabs++;
+			}
+
+			// convert odd numbers to even numbers
+			if (len % 2 === 1) {
+				len += 1;
+			}
+
+			if (whitespace.indexOf(' ') !== -1) {
+				spaces.push(len);
+			}
+		}
+	}
+
+	if (tabs > spaces.length) {
+		return '\t';
+	}
+
+	if (spaces.length === 0) {
+		return null;
+	}
+
+	// greatest common divisor is most likely the indent size
+	var indentSize = spaces.reduce(gcd);
+
+	if (indentSize > 0) {
+		return new Array(indentSize + 1).join(' ');
+	}
+
+	return null;
+}

license

@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) Sindre Sorhus <sindresorhus@gmail.com> (sindresorhus.com)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

package.json

@@ -2,6 +2,22 @@
   "name": "detect-indent",
   "version": "0.1.4",
   "description": "Detect the indentation of code",
+  "license": "MIT",
+  "repository": "sindresorhus/detect-indent",
+  "author": {
+    "name": "Sindre Sorhus",
+    "email": "sindresorhus@gmail.com",
+    "url": "http://sindresorhus.com"
+  },
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "files": [
+    "index.js"
+  ],
   "keywords": [
     "indent",
     "indentation",
@@ -15,30 +31,7 @@
     "space",
     "tab"
   ],
-  "license": "MIT",
-  "author": {
-    "name": "Sindre Sorhus",
-    "email": "sindresorhus@gmail.com",
-    "url": "http://sindresorhus.com"
-  },
-  "files": [
-    "detect-indent.js"
-  ],
-  "main": "detect-indent",
-  "repository": {
-    "type": "git",
-    "url": "git://github.com/sindresorhus/detect-indent.git"
-  },
-  "scripts": {
-    "test": "mocha && phantomjs node_modules/mocha-phantomjs/lib/mocha-phantomjs.coffee test/test.html"
-  },
   "devDependencies": {
-    "mocha": "~1.12.0",
-    "chai": "~1.7.2",
-    "phantomjs": "~1.9.1",
-    "mocha-phantomjs": "~3.1.0"
-  },
-  "engines": {
-    "node": ">=0.8.0"
+    "mocha": "*"
   }
 }

readme.md

@@ -14,25 +14,10 @@ Pass in a string of any kind of text and get the indentation.
 
 ## Install
 
-Download [manually](https://github.com/sindresorhus/detect-indent/releases) or with a package-manager.
-
-```bash
+```sh
 $ npm install --save detect-indent
 ```
 
-```bash
-$ bower install --save detect-indent
-```
-
-```bash
-$ component install sindresorhus/detect-indent
-```
-
-
-## API
-
-Accepts a string and returns the indentation or `null` if it can't be detected.
-
 
 ## Usage
 
@@ -62,6 +47,11 @@ fs.writeFileSync('foo.json', JSON.stringify(json, null, indent));
 ```
 
 
+## API
+
+Accepts a string and returns the indentation or `null` if it can't be detected.
+
+
 ## License
 
-[MIT](http://opensource.org/licenses/MIT) © [Sindre Sorhus](http://sindresorhus.com)
+MIT © [Sindre Sorhus](http://sindresorhus.com)

test.js

@@ -0,0 +1,33 @@
+'use strict';
+var assert = require('assert');
+var fs = require('fs');
+var path = require('path');
+var detectIndent = require('./');
+
+function getFile(file) {
+	return fs.readFileSync(path.join(__dirname, file), 'utf8');
+}
+
+it('should detect the indent of a file with space indent', function () {
+	assert.equal(detectIndent(getFile('fixture/space.js')), '    ');
+});
+
+it('should detect the indent of a file with tab indent', function () {
+	assert.equal(detectIndent(getFile('fixture/tab.js')), '\t');
+});
+
+it('should detect the indent of a file with mostly tabs', function () {
+	assert.equal(detectIndent(getFile('fixture/mixed-tab.js')), '\t');
+});
+
+it('should detect the indent of a file with mostly spaces', function () {
+	assert.equal(detectIndent(getFile('fixture/mixed-space.js')), '    ');
+});
+
+it('should detect the indent of a weirdly indented vendor prefixed CSS', function () {
+	assert.equal(detectIndent(getFile('fixture/vendor-prefixed-css.css')), '    ');
+});
+
+it('should return `null` when there are no indentation', function () {
+	assert.equal(detectIndent('<ul></ul>'), null);
+});