feat: stylus browser build support

browser/README.md

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+### stylus-browser
+
+scripts for stylus browser version build

browser/compile.js

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+
+/**
+ * Module dependencies.
+ */
+
+ var fs = require('fs');
+
+ // package.json
+
+ var info = JSON.parse(fs.readFileSync('browser/stylus.json', 'utf8'));
+
+ // BIFs
+ var bifs = fs.readFileSync('lib/functions/index.styl', 'utf8');
+
+ // refactored version of weepy's
+ // https://github.com/weepy/brequire/blob/master/browser/brequire.js
+
+ var browser = {
+
+   /**
+    * Require a module.
+    */
+
+   require: function require(p){
+     var path = require.resolve(p)
+       , mod = require.modules[path];
+     if (!mod) throw new Error('failed to require "' + p + '"');
+     if (!mod.exports) {
+       mod.exports = {};
+       mod.call(mod.exports, mod, mod.exports, require.relative(path));
+     }
+     return mod.exports;
+   },
+
+   /**
+    * Resolve module path.
+    */
+
+   resolve: function(path){
+     var orig = path
+       , reg = path + '.js'
+       , index = path + '/index.js';
+     return require.modules[reg] && reg
+       || require.modules[index] && index
+       || orig;
+   },
+
+   /**
+    * Return relative require().
+    */
+
+   relative: function(parent) {
+     return function(p){
+       if ('.' != p[0]) return require(p);
+
+       var path = parent.split('/')
+         , segs = p.split('/');
+       path.pop();
+
+       for (var i = 0; i < segs.length; i++) {
+         var seg = segs[i];
+         if ('..' == seg) path.pop();
+         else if ('.' != seg) path.push(seg);
+       }
+
+       return require(path.join('/'));
+     };
+   },
+
+   /**
+    * Register a module.
+    */
+
+   register: function(path, fn){
+     require.modules[path] = fn;
+   }
+ };
+
+ // read scripts
+
+ console.error();
+ console.log(browser.require + '\n\n');
+ console.log('var bifs = "' + bifs.replace(/"/g, "'").replace(/\n/g, '\\n\\\n') + '";');
+ console.log('require.modules = {};\n\n');
+ console.log('require.resolve = ' + browser.resolve + ';\n\n');
+ console.log('require.register = ' + browser.register + ';\n\n');
+ console.log('require.relative = ' + browser.relative + ';\n\n');
+ info.scripts.forEach(function(path){
+   console.error('  \033[90m- %s\033[0m', path);
+   var js = fs.readFileSync(path, 'utf8');
+   path = path.replace('lib/', '');
+   console.log('\nrequire.register("%s", function(module, exports, require){\n', path);
+   console.log(js);
+   console.log('\n});// module: %s\n', path);
+ });
+ console.error();

browser/foot.js

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+return require('stylus');
+})();

browser/head.js

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+
+var stylus = (function(){

browser/polyfills.js

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+
+/**
+ * constructor.name polyfill
+ */
+
+ if (Function.prototype.name === undefined && Object.defineProperty !== undefined) {
+  Object.defineProperty(Function.prototype, 'name', {
+    get: function() {
+      var regex = /function\s([^(]{1,})\(/
+        , match = regex.exec(this.toString());
+      return match && match.length > 1 ? match[1].trim() : '';
+    }
+  });
+}
+
+/**
+ * String.prototype.trimRight polyfill
+ */
+
+if (String.prototype.trimRight === undefined) {
+  String.prototype.trimRight = function() {
+    return String(this).replace(/\s+$/, '');
+  };
+}

browser/stylus.json

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+{
+  "name": "stylus",
+  "scripts": [
+    "lib/visitor/normalizer.js"
+  ]
+}

package.json

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   },
   "scripts": {
     "prepublish": "npm prune",
+    "build:browser": "node ./browser/compile.js | cat browser/head.js - browser/foot.js > stylus.js",
     "test": "mocha test/ test/middleware/ --require chai --bail --check-leaks --reporter dot",
     "test-cov": "mocha test/ test/middleware/ --require chai --bail --reporter html-cov > coverage.html"
   },