Added error handling

Author: unlight

gulp-cssimport.js

@@ -75,6 +75,10 @@ module.exports = function cssImport(options) {
 				if (!isUrl(importPath)) {
 					var pathDirectory = path.dirname(vinyl.path);
 					var importFile = resolveImportFile(pathDirectory, importPath, options.includePaths);
+					if (!importFile) {
+						var err = new Error(`Cannot find file '${importPath}' from '${pathDirectory}' (includePaths: ${options.includePaths})`);
+						callback(new gutil.PluginError(PLUGIN_NAME, err));
+					}
 					promises.push(readFile(importFile, "utf8").then(function(contents) {
 						result.importFile = importFile;
 						result.contents = contents;

readme.md

@@ -119,7 +119,7 @@ TODO
 
 CHANGELOG
 ---------
-3.2 [6 Oct 2016]
+4.0 [6 Oct 2016]
 - added option 'includePaths'
 
 3.0 [28 Feb 2016]

test/include-paths/index.js

@@ -20,4 +20,15 @@ test("Include paths", function (t) {
 		t.equal(data, result);
 		t.end();
 	});
+});
+
+test("Include paths error", function (t) {
+	var stream;
+	var p = plugin({});
+	stream = gulp.src("design/style.css")
+		.pipe(p);
+	collect(stream, function(err, data) {
+		t.ok(err.message.indexOf("Cannot find file 'c.css' from") === 0);
+		t.end();
+	});
 });

test/index.js

@@ -10,6 +10,7 @@ var tests = [
 	"options-filter",
 	"options-matchpattern",
 	"parent",
+	"include-paths",
 	"recursive"
 ];
 emitter.on("run", function(index) {