Refactor use_cache.js

docpress · Oct 19, 2015 · e035056 · e035056
1 parent b5b10c9
commit e035056
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Showing 2 changed files with 11 additions and 7 deletions.
diff --git a/index.js b/index.js
@@ -12,6 +12,7 @@ const hash = require('./lib/hash')
 const eachCons = require('./lib/helpers/each_cons')
 const toArray = require('./lib/helpers/to_array')
 const memoize = require('./lib/memoize')
+const useCache = require('./lib/helpers/use_cache')
 
 /**
  * Metalsmith middleware
@@ -81,13 +82,6 @@ function addCss (files, ms, done) {
     buildCss({ imports: this.stylusImports }, callback)
 }
 
-function useCache (fname, callback) {
-  try {
-    callback(null, require('fs').readFileSync(join(__dirname, fname), 'utf-8'))
-    return true
-  } catch (e) {}
-}
-
 /**
  * Add JavaScript
  */

diff --git a/lib/helpers/use_cache.js b/lib/helpers/use_cache.js
@@ -0,0 +1,10 @@
+const readFileSync = require('fs').readFileSync
+const join = require('path').join
+
+module.exports = function useCache (fname, callback) {
+  try {
+    callback(null,
+      readFileSync(join(__dirname, '..', '..', fname), 'utf-8'))
+    return true
+  } catch (e) {}
+}