[BUGFIX] overwrite sprite-template to provide sprite-width and sprite-height...

[BUGFIX] overwrite sprite-template to provide sprite-width and sprite-height functions instead of mixins

core/version.conf

-SGC_VERSION=1.0.0
+SGC_VERSION=1.0.1

gulp/css.js

@@ -65,7 +65,8 @@ gulp.task('css:sprites', function() {
 	var spriteData = gulp.src(settings.getPath() + '/' + config.directories.sprites + '/**/*.png').pipe(plugins.spritesmith({
 		imgName: 'sprites.png',
 		cssName: '_sprite.scss',
-		imgPath: '/' + settings.getPath(true) + '/' + config.directories.images + '/sprites.png'
+		imgPath: '/' + settings.getPath(true) + '/' + config.directories.images + '/sprites.png',
+		cssTemplate: 'sgc-core/gulp/sprites-template.handlebars'
 	}));
 
 	// Pipe image stream through image optimizer and onto disk

gulp/sprites-template.handlebars

+{
+// Default options
+'functions': true,
+'variableNameTransforms': ['dasherize']
+}
+
+{{#block "sprites-comment"}}
+	/*
+	SCSS variables are information about icon's compiled state, stored under its original file name
+
+	.icon-home {
+	width: $icon-home-width;
+	}
+
+	The large array-like variables contain all information about a single icon
+	$icon-home: x y offset_x offset_y width height total_width total_height image_path;
+
+	At the bottom of this section, we provide information about the spritesheet itself
+	$spritesheet: width height image $spritesheet-sprites;
+	*/
+{{/block}}
+{{#block "sprites"}}
+	{{#each sprites}}
+		${{strings.name_name}}: '{{name}}';
+		${{strings.name_x}}: {{px.x}};
+		${{strings.name_y}}: {{px.y}};
+		${{strings.name_offset_x}}: {{px.offset_x}};
+		${{strings.name_offset_y}}: {{px.offset_y}};
+		${{strings.name_width}}: {{px.width}};
+		${{strings.name_height}}: {{px.height}};
+		${{strings.name_total_width}}: {{px.total_width}};
+		${{strings.name_total_height}}: {{px.total_height}};
+		${{strings.name_image}}: '{{{escaped_image}}}';
+		${{strings.name}}: ({{px.x}}, {{px.y}}, {{px.offset_x}}, {{px.offset_y}}, {{px.width}}, {{px.height}}, {{px.total_width}}, {{px.total_height}}, '{{{escaped_image}}}', '{{name}}', );
+	{{/each}}
+{{/block}}
+{{#block "spritesheet"}}
+	${{spritesheet_info.strings.name_width}}: {{spritesheet.px.width}};
+	${{spritesheet_info.strings.name_height}}: {{spritesheet.px.height}};
+	${{spritesheet_info.strings.name_image}}: '{{{spritesheet.escaped_image}}}';
+	${{spritesheet_info.strings.name_sprites}}: ({{#each sprites}}${{strings.name}}, {{/each}});
+	${{spritesheet_info.strings.name}}: ({{spritesheet.px.width}}, {{spritesheet.px.height}}, '{{{spritesheet.escaped_image}}}', ${{spritesheet_info.strings.name_sprites}}, );
+{{/block}}
+
+{{#block "sprite-functions-comment"}}
+	{{#if options.functions}}
+		/*
+		The provided mixins are intended to be used with the array-like variables
+
+		.icon-home {
+		@include sprite-width($icon-home);
+		}
+
+		.icon-email {
+		@include sprite($icon-email);
+		}
+
+		Example usage in HTML:
+
+		`display: block` sprite:
+		<div class="icon-home"></div>
+
+		To change `display` (e.g. `display: inline-block;`), we suggest using a common CSS class:
+
+		// CSS
+		.icon {
+		display: inline-block;
+		}
+
+		// HTML
+		<i class="icon icon-home"></i>
+		*/
+	{{/if}}
+{{/block}}
+{{#block "sprite-functions"}}
+	{{#if options.functions}}
+		@function sprite-width($sprite) {
+		@return nth($sprite, 5);
+		}
+
+		@function sprite-height($sprite) {
+		@return nth($sprite, 6);
+		}
+
+		@mixin sprite-position($sprite) {
+		$sprite-offset-x: nth($sprite, 3);
+		$sprite-offset-y: nth($sprite, 4);
+		background-position: $sprite-offset-x  $sprite-offset-y;
+		}
+
+		@mixin sprite-image($sprite) {
+		$sprite-image: nth($sprite, 9);
+		background-image: url(#{$sprite-image});
+		}
+
+		@mixin sprite($sprite) {
+		@include sprite-image($sprite);
+		@include sprite-position($sprite);
+		width: sprite-width($sprite);
+		height: sprite-height($sprite);
+		}
+	{{/if}}
+{{/block}}
+
+{{#block "spritesheet-functions-comment"}}
+	{{#if options.functions}}
+		/*
+		The `sprites` mixin generates identical output to the CSS template
+		but can be overridden inside of SCSS
+
+		@include sprites($spritesheet-sprites);
+		*/
+	{{/if}}
+{{/block}}
+{{#block "spritesheet-functions"}}
+	{{#if options.functions}}
+		@mixin sprites($sprites) {
+		@each $sprite in $sprites {
+		$sprite-name: nth($sprite, 10);
+		.#{$sprite-name} {
+		@include sprite($sprite);
+		}
+		}
+		}
+	{{/if}}
+{{/block}}