improve coverage

lib/ecstacy.js

@@ -154,14 +154,17 @@ Ecstacy.prototype.build = function (agents) {
   }
 
   var hash = utils.hash(this.hash + transforms.hash)
+  debug(transforms.hash)
+  debug(hash)
   var result = {
     hash: hash,
     code: hash + self.ext,
     map: sourcemaps
       ? (hash + '.map')
       : '',
   }
-  return fs.exists(hash + this.ext).then(function (exists) {
+  return fs.exists(this.filename(hash + this.ext)).then(function (exists) {
+    debug('exists: ' + exists)
     if (exists) return result
     return self._getOriginal().then(function (og) {
       var out = self._transform(og.code, og.map, transforms)
@@ -221,19 +224,6 @@ Ecstacy.prototype._filter = function (agents) {
     val = transforms.slice()
   }
 
-  // remove subsets
-  top:
-  for (var i = 0; i < val.length; i++) {
-    if (!val[i].supersets) continue
-    if (val[i].supersets.some(function (name) {
-      for (var j = 0; j < val.length; j++) {
-        if (val[j].name === name) return true
-      }
-    })) {
-      val.splice(i--, 1)
-    }
-  }
-
   val.hash = utils.hash(val.map(toHash).join('-'))
   if (ua != null) this.cache.set(ua, val)
   return val
@@ -267,8 +257,8 @@ Ecstacy.prototype._defaultTransforms = function (transforms) {
   }
   if (typeof transforms === 'object') {
     return _transforms.filter(function (transform) {
-      return _transforms[transform.name]
-        || _transforms[transform.shortName]
+      return transforms[transform.name]
+        || transforms[transform.shortName]
     })
   }
   return []

package.json

@@ -34,7 +34,7 @@
     "mkdirp": "0",
     "mz": "1",
     "native-or-bluebird": "1",
-    "polyfills-db": "^1.16.1",
+    "polyfills-db": "^1.19.0",
     "postcss": "3",
     "postcss-calc": "3",
     "postcss-color": "1",

test/fixtures/async.js

@@ -0,0 +1,4 @@
+
+export default async function (a) {
+  return await a
+}

test/js.js

@@ -1,4 +1,21 @@
 
+describe('Ecstacy.js.prototype._defaultTransforms', function () {
+  it('([names...])', function () {
+    var names = ['arrowfn']
+    var transforms = Ecstacy.js.prototype._defaultTransforms(names)
+    assert(transforms.length === 1)
+  })
+
+  it('({ name: true })', function () {
+    var names = {
+      arrowfn: true,
+      gens: true,
+    }
+    var transforms = Ecstacy.js.prototype._defaultTransforms(names)
+    assert(transforms.length === 2)
+  })
+})
+
 describe('Ecstacy.js(code, map)', function () {
   describe('.build()', function () {
     describe('with an empty file', function () {
@@ -237,6 +254,33 @@ describe('Ecstacy.js Features', function () {
   describe('comprehensions', function () {
 
   })
+
+  describe('async', function () {
+    var code = fixture('async')
+    var ecstacy = Ecstacy.js({
+      name: 'async',
+      code: code,
+      transforms: true,
+    })
+    var data
+
+    it('.build()', function () {
+      return ecstacy.build().then(function (data) {
+        return ecstacy.read(data.code, 'utf8')
+      }).then(function (js) {
+        assert(~js.indexOf('regeneratorRuntime'))
+        assert(!~js.indexOf('asyncFnRuntime'))
+      })
+    })
+
+    it('.build(ff30)', function () {
+      return ecstacy.build(ff30mobile).then(function (data) {
+        return ecstacy.read(data.code, 'utf8')
+      }).then(function (js) {
+        assert(~js.indexOf('asyncFnRuntime'))
+      })
+    })
+  })
 })
 
 function fixture(name) {