Move coverage to gulp

gulpfile.babel.js

@@ -77,6 +77,43 @@ gulp.task('integration', ['build:lib', 'build:package'], (done) => {
     });
 });
 
+// Coverage
+
+gulp.task('coverage:instrument', () => {
+    require('./');
+    let istanbul = require('gulp-istanbul');
+    let isparta  = require('isparta')
+    return gulp.src('lib/*.es6')
+        .pipe(istanbul({
+            includeUntested: true,
+            instrumenter:    isparta.Instrumenter
+        }))
+        .pipe(istanbul.hookRequire({
+            extensions: ['.es6']
+        }));
+});
+
+gulp.task('coverage:report', () => {
+    let istanbul = require('gulp-istanbul');
+    return gulp.src('lib/*.es6', { read: false })
+        .pipe(istanbul.writeReports())
+        .pipe(istanbul.enforceThresholds({
+            thresholds: {
+                global: {
+                    statements: 89.12,
+                    functions:  87.29,
+                    branches:   81.85,
+                    lines:      91
+                }
+            }
+        }));
+});
+
+gulp.task('coverage', (done) => {
+    let runSequence = require('run-sequence');
+    runSequence('coverage:instrument', 'test', 'coverage:report', done);
+});
+
 // Common
 
 gulp.task('default', ['lint', 'spellcheck', 'test', 'integration']);

index.js

@@ -1,2 +1,2 @@
-require('babel-core/register')({ extensions: ['.es6'], ignore: false });
+require('babel-core/register')({ extensions: ['.es6'] });
 module.exports = require('./lib/postcss');

package.json

@@ -29,15 +29,17 @@
     "concat-with-sourcemaps": "1.0.2",
     "postcss-parser-tests":   "5.0.0",
     "gulp-json-editor":       "2.2.1",
+    "gulp-istanbul":          "0.10.0",
+    "run-sequence":           "1.1.2",
     "babel-eslint":           "4.0.10",
     "gulp-eslint":            "1.0.0",
+    "gulp-mocha":             "2.1.3",
     "gulp-babel":             "5.2.1",
     "strip-ansi":             "3.0.0",
     "yaspeller":              "2.5.0",
     "gulp-util":              "3.0.6",
     "gulp-run":               "1.6.10",
     "fs-extra":               "0.23.1",
-    "istanbul":               "0.3.18",
     "isparta":                "3.0.3",
     "eslint":                 "1.2.1",
     "sinon":                  "1.16.1",
@@ -47,8 +49,6 @@
     "del":                    "1.2.1"
   },
   "scripts": {
-    "check-coverage": "istanbul check-coverage --statements 89.12 --branches 81.85 --functions 87.29 --lines 91.71",
-    "cover":          "isparta cover node_modules/mocha/bin/_mocha -i lib/*.es6",
-    "test":           "gulp && npm run cover && npm run check-coverage"
+    "test": "gulp"
   }
 }