Merge pull request #5299 from bolinfest/6to5

Transpile all .js files beginning with the "use 6to5"; pragma with 6to5.

spec/6to5-spec.coffee

@@ -0,0 +1,27 @@
+{create6to5VersionAndOptionsDigest} = require '../src/6to5'
+crypto = require 'crypto'
+
+describe "::create6to5VersionAndOptionsDigest", ->
+
+  it "returns a digest for the library version and specified options", ->
+    defaultOptions =
+      'blacklist': [
+        'useStrict'
+      ]
+      'experimental': true
+      'optional': [
+        'asyncToGenerator'
+      ]
+      'reactCompat': true
+      'sourceMap': 'inline'
+    version = '3.0.14'
+    shasum = crypto.createHash('sha1')
+    shasum.update('6to5-core', 'utf8')
+    shasum.update('\0', 'utf8')
+    shasum.update(version, 'utf8')
+    shasum.update('\0', 'utf8')
+    shasum.update('{"blacklist": ["useStrict",],"experimental": true,"optional": ["asyncToGenerator",],"reactCompat": true,"sourceMap": "inline",}')
+    expectedDigest = shasum.digest('hex')
+
+    observedDigest = create6to5VersionAndOptionsDigest(version, defaultOptions)
+    expect(observedDigest).toEqual(expectedDigest)