First pass at per-package transpilation

src/package.coffee

@@ -6,6 +6,7 @@ CSON = require 'season'
 fs = require 'fs-plus'
 {Emitter, CompositeDisposable} = require 'event-kit'
 
+CompileCache = require './compile-cache'
 ModuleCache = require './module-cache'
 ScopedProperties = require './scoped-properties'
 BufferedProcess = require './buffered-process'
@@ -86,6 +87,7 @@ class Package
         @loadStylesheets()
         @registerDeserializerMethods()
         @activateCoreStartupServices()
+        @registerTranspilerConfig()
         @configSchemaRegisteredOnLoad = @registerConfigSchemaFromMetadata()
         @settingsPromise = @loadSettings()
         if @shouldRequireMainModuleOnLoad() and not @mainModule?
@@ -94,6 +96,9 @@ class Package
         @handleError("Failed to load the #{@name} package", error)
     this
 
+  unload: ->
+    @unregisterTranspilerConfig()
+
   shouldRequireMainModuleOnLoad: ->
     not (
       @metadata.deserializers? or
@@ -247,6 +252,16 @@ class Package
           @activationDisposables.add @packageManager.serviceHub.consume(name, version, @mainModule[methodName].bind(@mainModule))
     return
 
+  registerTranspilerConfig: ->
+    if @metadata.atomTranspilers
+      for transpiler in @metadata.atomTranspilers
+        CompileCache.addTranspilerConfigForPath(@path, transpiler)
+
+  unregisterTranspilerConfig: ->
+    if @metadata.atomTranspilers
+      for transpiler in @metadata.atomTranspilers
+        CompileCache.removeTranspilerConfigForPath(@path)
+
   loadKeymaps: ->
     if @bundledPackage and @packageManager.packagesCache[@name]?
       @keymaps = (["#{@packageManager.resourcePath}#{path.sep}#{keymapPath}", keymapObject] for keymapPath, keymapObject of @packageManager.packagesCache[@name].keymaps)