Created middleware

.jscsrc

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+{
+    "disallowKeywords": ["with"],
+    "disallowKeywordsOnNewLine": ["else"],
+    "disallowMixedSpacesAndTabs": true,
+    "disallowNewlineBeforeBlockStatements": true,
+    "disallowQuotedKeysInObjects": true,
+    "disallowTrailingWhitespace": true,
+
+    "requireCapitalizedConstructors": true,
+    "requireCurlyBraces": [
+        "if",
+        "else",
+        "for",
+        "while",
+        "do",
+        "try",
+        "catch",
+        "function",
+        "switch"
+    ],
+    "requireMultipleVarDecl": true,
+    "requirePaddingNewLineAfterVariableDeclaration": true,
+    "requirePaddingNewLinesAfterBlocks": true,
+    "requirePaddingNewlinesBeforeKeywords": [
+        "if",
+        "for",
+        "while",
+        "do",
+        "switch",
+        "return",
+        "try",
+        "function"
+    ],
+    "requireSpaceBeforeKeywords": [
+        "else",
+        "catch",
+        "while"
+    ],
+    "requireSpaceAfterKeywords": [
+        "if",
+        "else",
+        "for",
+        "while",
+        "do",
+        "switch",
+        "case",
+        "return",
+        "try",
+        "catch",
+        "typeof",
+        "function"
+    ],
+    "requireSpaceAfterLineComment": true,
+    "requireSpaceAfterBinaryOperators": true,
+    "requireSpaceBeforeBinaryOperators": true,
+    "requireOperatorBeforeLineBreak": [
+        "?",
+        "=",
+        "+",
+        "-",
+        "/",
+        "*",
+        "==",
+        "===",
+        "!=",
+        "!==",
+        ">",
+        ">=",
+        "<",
+        "<="
+    ],
+
+    "requireSpaceBeforeBlockStatements": true,
+    "requireSpaceBeforeObjectValues": true,
+    "requireSpacesInFunction": {
+        "beforeOpeningRoundBrace": true,
+        "beforeOpeningCurlyBrace": true
+    },
+    "validateIndentation": 4,
+    "validateLineBreaks": "LF"
+}

.jshintrc

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+{
+    "bitwise"       : false,
+    "curly"         : true,
+    "eqeqeq"        : true,
+    "es3"           : false,
+    "forin"         : true,
+    "iterator"      : true,
+    "latedef"       : false,
+    "maxerr"        : 100,
+    "noarg"         : true,
+    "nonew"         : true,
+    "regexp"        : true,
+    "smarttabs"     : true,
+    "shadow"        : true,
+    "singleGroups"  : true,
+    "strict"        : false,
+    "undef"         : true,
+    "unused"        : true,
+    "varstmt"       : false,
+
+    "asi"           : false,
+    "boss"          : false,
+    "debug"         : false,
+    "eqnull"        : false,
+    "esnext"        : true,
+    "evil"          : false,
+    "expr"          : false,
+    "funcscope"     : false,
+    "globalstrict"  : false,
+    "lastsemic"     : false,
+    "loopfunc"      : false,
+    "onecase"       : false,
+    "plusplus"      : false,
+    "proto"         : false,
+    "scripturl"     : false,
+    "supernew"      : false,
+    "validthis"     : false,
+
+    "laxbreak"      : true,
+    "laxcomma"      : true,
+    "sub"           : true,
+    "camelcase"     : false,
+    "indent"        : false,
+    "immed"         : false,
+    "maxlen"        : false,
+    "multistr"      : false,
+    "newcap"        : false,
+    "noempty"       : false,
+    "quotmark"      : false,
+
+    "browser"       : false,
+    "devel"         : false,
+    "jasmine"       : false,
+    "jquery"        : false,
+    "node"          : true
+}

index.js

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+var broccoli   = require('broccoli'),
+    Watcher    = require('broccoli-sane-watcher'),
+    middleware = require('broccoli/lib/middleware'),
+    HashTree   = require('broccoli-live-reload/lib/hash-tree'),
+    Sync       = require('tree-sync'),
+    path       = require('path'),
+    LrServer   = require('tiny-lr').Server,
+    tree       = broccoli.loadBrocfile(),
+    builder    = new broccoli.Builder(tree),
+    watcher    = new Watcher(builder, { verbose: true });
+
+function BroccoliMiddleware (config) {
+    var destDir = path.resolve(config.destDir || 'dist'),
+        port    = config.port || 35729;
+
+    this.lrServer = new LrServer();
+    this.lrServer.listen(port, this.onError.bind(this));
+
+    watcher.then(this.syncChanges.bind(this, destDir));
+    watcher.on('change', this.onChange.bind(this, destDir));
+
+    return middleware(watcher);
+}
+
+BroccoliMiddleware.prototype.syncChanges = function (destDir, results) {
+    return new Sync(results.directory, destDir).sync();
+};
+
+BroccoliMiddleware.prototype.onError = function (error) {
+    if (error) {
+        console.error(error.stack || error);
+    }
+};
+
+BroccoliMiddleware.prototype.computeHashes = function (destDir, tree, err, nodes) {
+    if (err) {
+        return console.log(err);
+    }
+
+    if (!this.tree) {
+        this.tree = tree;
+
+        return;
+    }
+
+    var diffs = this.tree.computeDiff(nodes).map(function ( file ) {
+        return path.join(destDir, file);
+    });
+
+    if (!diffs.length) {
+        this.tree = tree;
+
+        return;
+    }
+
+    this.lrServer.changed({
+        body: {
+            files: diffs
+        }
+    });
+
+    this.tree = tree;
+};
+
+BroccoliMiddleware.prototype.onChange = function (destDir, result) {
+    var tree = new HashTree(result.directory, {
+        path: destDir
+    });
+
+    this.syncChanges.apply(this, arguments);
+    tree.computeHashes(this.computeHashes.bind(this, destDir, tree));
+};
+
+module.exports = BroccoliMiddleware;

package.json

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+{
+  "name": "broccoli-livereload-middleware",
+  "version": "0.1.0",
+  "description": "middleware to build broccoli apps with a livereload server",
+  "main": "index.js",
+  "scripts": {
+    "test": "jshint index.js && jscs index.js"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/adambullmer/broccoli-livereload-middleware.git"
+  },
+  "keywords": [
+    "broccoli",
+    "middleware",
+    "livereload"
+  ],
+  "author": "Adam Bullmer <psycodrumfreak@gmail.com>",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/adambullmer/broccoli-livereload-middleware/issues"
+  },
+  "homepage": "https://github.com/adambullmer/broccoli-livereload-middleware#readme",
+  "dependencies": {
+    "broccoli": "^0.16.9",
+    "broccoli-sane-watcher": "^1.1.4",
+    "tiny-lr": "^0.2.1",
+    "tree-sync": "^1.1.0"
+  },
+  "devDependencies": {
+    "jscs": "^2.11.0",
+    "jshint": "^2.9.1"
+  }
+}