integrate jshint into Jakefile, minor cleanup

Jakefile.js

@@ -1,31 +1,44 @@
-var build = require('./build/build.js');
+var build = require('./build/build.js'),
+	lint = require('./build/hint.js');
 
 var COPYRIGHT = "/*\n Copyright (c) 2010-2011, CloudMade, Vladimir Agafonkin\n" +
                 " Leaflet is a modern open source JavaScript library for interactive maps.\n" +
                 " http://leaflet.cloudmade.com\n*/\n";
 
-task('build', function (compsBase32, buildName) {
+task('lint', function () {
+	var files = build.getFiles();
+	
+	console.log('Checking for JS errors...');
+	
+	var errorsFound = lint.jshint(files);
+	
+	if (errorsFound > 0) {
+		console.log(errorsFound + ' error(s) found.\n');
+		fail();
+	} else {
+		console.log('\tCheck passed');
+	}
+});
+
+task('build', ['lint'], function (compsBase32, buildName) {
 	var name = buildName || 'custom',
-		savePath = 'dist/leaflet' + (compsBase32 ? '-' + name : '') + '.js';
+		path = 'dist/leaflet' + (compsBase32 ? '-' + name : '');
 
 	var files = build.getFiles(compsBase32);
 
 	console.log('Concatenating ' + files.length + ' files...');
-
 	var content = build.combineFiles(files);
+	console.log('\tUncompressed size: ' + content.length);
+	
+	build.save(path + '-src.js', COPYRIGHT + content);
+	console.log('\tSaved to ' + path);
 	
-	console.log('Uncompressed size: ' + content.length);
 	console.log('Compressing...');
-
 	var compressed = COPYRIGHT + build.uglify(content);
+	console.log('\tCompressed size: ' + compressed.length);
 
-	console.log('Compressed size: ' + compressed.length);
+	build.save(path + '.js', compressed);
-
+	console.log('\tSaved to ' + path);
-	build.save(savePath, compressed);
-
-	console.log('Saved to ' + savePath);
 });
 
 task('default', ['build']);
-
-// TODO task('lint')

build/hint.js

@@ -0,0 +1,30 @@
+var jshint = require('jshint').JSHINT,
+	fs = require('fs'),
+	config = require('./hintrc.js').config;
+
+function jshintSrc(path, src) {
+	jshint(src, config);
+	
+	var errors = jshint.errors,
+		i, len, e, line;
+	
+	for (i = 0, len = errors.length; i < len; i++) {
+		e = errors[i];
+		//console.log(e.evidence);
+		console.log(path + '\tline ' + e.line + '\tcol ' + e.character + '\t ' + e.reason);
+	}
+	
+	return len;
+}
+	
+exports.jshint = function (files) {
+	var errorsFound = 0;
+	
+	for (var i = 0, len = files.length; i < len; i++) {
+		var src = fs.readFileSync(files[i], 'utf8');
+		
+		errorsFound += jshintSrc(files[i], src);
+	}
+	
+	return errorsFound;
+};

build/hintrc.js

@@ -1,4 +1,4 @@
-{
+exports.config = {
 	"browser": true,
 	"predef": ["L"],
 
@@ -41,4 +41,4 @@
 	"eqeqeq": true,
 	"trailing": true,
 	"white": true
-}
+};

src/Leaflet.js

@@ -5,7 +5,7 @@
 
 		ROOT_URL: root.L_ROOT_URL || (function () {
 			var scripts = document.getElementsByTagName('script'),
-				leafletRe = /\/?leaflet\-?([\w\-]*)\.js\??/;
+				leafletRe = /\/?leaflet[\-\._]?([\w\-\._]*)\.js\??/;
 
 			var i, len, src, matches;