fix support for styllint warn (#213)

lib/stylint-error.js

@@ -1,5 +1,9 @@
 'use strict';
 const LintError = require('./lint-error');
+const STYLLINT_SEVERITY_MAP = {
+	'warning': 'warn',
+};
+
 /**
  * stylint错误对象
  *
@@ -16,14 +20,15 @@ class StyLintError extends LintError {
 	 */
 	constructor (message) {
 		const error = {
-			// 依靠gulp-stylint现有的API无法获取错误等级，暂时先按error处理
 			severity: 'error',
 
 			// 报错插件
 			plugin: 'StyLint',
 		};
 		message.replace(/^(.+?):\s*(.+?)$/gm, function (s, key, value) {
-			if (/^(?:error|message)$/i.test(key)) {
+			if (/^(?:error|warn(?:ing)?|info)$/i.test(key)) {
+				key = key.toLowerCase();
+				error.severity = STYLLINT_SEVERITY_MAP[key] || key;
 				key = 'message';
 			} else if (/^file(?:Name)?$/i.test(key)) {
 				key = 'fileName';

package.json

@@ -120,5 +120,5 @@
     "shorturl": "node scripts/shorturl",
     "test": "nyc npm run test_lang"
   },
-  "version": "2.7.0"
+  "version": "2.7.1"
 }

test/stylint.test.js

@@ -18,6 +18,7 @@ describe('stylint', function () {
 		})
 			.pipe(stylint({
 				rules: {
+					colons: 'never',
 					zeroUnits: {
 						expect: 'never', error: true,
 					},
@@ -30,11 +31,17 @@ describe('stylint', function () {
 				assert.equal(ex.plugin, 'gulp-reporter');
 				assert.equal(ex.message, 'Lint failed for: test/fixtures/stylint/novalid.styl');
 			}).on('finish', () => {
-				const result = sandbox.getLog().split(/\s*\r?\n\s*/g);
-				assert.equal(result[0], 'test/fixtures/stylint/novalid.styl');
-				assert.ok(/\d+:\d+/.test(result[1]));
-				assert.ok(result[1].endsWith('0 is preferred. Unit value is unnecessary (StyLint)'));
-				done();
+				try {
+					const result = sandbox.getLog().split(/\s*\r?\n\s*/g);
+					assert.equal(result[0], 'test/fixtures/stylint/novalid.styl');
+					assert.ok(/\d+:\d+/.test(result[1]));
+					assert.ok(result[1].endsWith('0 is preferred. Unit value is unnecessary (StyLint)'));
+					assert.ok(/\d+:\d+/.test(result[2]));
+					assert.ok(result[2].endsWith('unnecessary colon found (StyLint)'));
+					done();
+				} catch (ex) {
+					done(ex);
+				}
 			});
 	});
 });