support coffeescript v1 on older node versions

Author: balupton

HISTORY.md

@@ -1,10 +1,9 @@
 # History
 
 ## v2.7.0 2018 March 7
-- Now uses CoffeeScript v2 for compilation
+- Now uses CoffeeScript v2 for compilation for node versions which support it (at time of testing that is node v6 and above), otherwise uses CoffeeScript v1
 - Now compiled with CoffeeScript v2
 - Updated base files
-- Minimum node version is now Node v6, as that is the earliest node version that CoffeeScript v2 supports
 
 ## v2.6.0 2017 April 17
 - Updated dependencies

package-lock.json

@@ -56,7 +56,7 @@
     "url": "https://github.com/docpad/docpad-plugin-coffeescript.git"
   },
   "engines": {
-    "node": ">=6"
+    "node": ">=0.8"
   },
   "editions": [
     {
@@ -91,6 +91,7 @@
   ],
   "main": "index.js",
   "dependencies": {
+    "coffee-script": "^1.12.7",
     "coffeescript": "^2.2.2",
     "editions": "^1.3.4"
   },

package.json

@@ -1,5 +1,3 @@
-# Import
-coffee = require('coffeescript')
 
 # Export Plugin
 module.exports = (BasePlugin) ->
@@ -19,6 +17,12 @@ module.exports = (BasePlugin) ->
 			{inExtension,outExtension,file} = opts
 			literate = false
 
+			# Import
+			try
+				coffee = require('coffeescript')
+			catch
+				coffee = require('coffee-script')
+
 			# CoffeeScript to JavaScript
 			if (inExtension in ['coffee','litcoffee'] and outExtension in ['js',null]) or (inExtension in ['md','markdown'] and outExtension is 'js' and literate = true)
 				# Prepare

source/coffeescript.plugin.coffee

@@ -1,5 +1,13 @@
+# Determine CoffeeScript version
+try
+	require('coffeescript')
+	coffeescriptVersion = 2
+catch
+	coffeescriptVersion = 1
+
 # Test our plugin using DocPad's Testers
 require('docpad').require('testers').test({
 	pluginPath: __dirname+'/..'
 	testerClass: 'RendererTester'
+	outExpectedPath: __dirname+"/../test/out-expected-v#{coffeescriptVersion}"
 })

source/coffeescript.test.coffee

@@ -0,0 +1,6 @@
+(function() {
+  var a;
+
+  a = require('./helpers');
+
+}).call(this);

test/out-expected/coffee-to-js.js renamed to test/out-expected-v1/coffee-to-js.js

@@ -0,0 +1,6 @@
+(function() {
+  var a;
+
+  a = require('./helpers');
+
+}).call(this);

test/out-expected-v1/litcoffee-to-js.js

@@ -0,0 +1,10 @@
+(function() {
+  var greet;
+
+  greet = function(arg) {
+    if (arg === 'Hello') {
+      return console.log('Goodbye');
+    }
+  };
+
+}).call(this);