From 7fff4499fd915bcea3fa93b1aa8b35f4fe7a6027 Mon Sep 17 00:00:00 2001
From: Florian Dold <florian.dold@gmail.com>
Date: Sun, 28 May 2017 00:38:50 +0200
Subject: add linting (and some initial fixes)

---
 .../hullabaloo-config-manager/lib/readSafe.js      | 29 ++++++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 node_modules/hullabaloo-config-manager/lib/readSafe.js

(limited to 'node_modules/hullabaloo-config-manager/lib/readSafe.js')

diff --git a/node_modules/hullabaloo-config-manager/lib/readSafe.js b/node_modules/hullabaloo-config-manager/lib/readSafe.js
new file mode 100644
index 000000000..568258ac6
--- /dev/null
+++ b/node_modules/hullabaloo-config-manager/lib/readSafe.js
@@ -0,0 +1,29 @@
+'use strict'
+
+const gfs = require('graceful-fs')
+
+function readSafe (source, cache) {
+  if (cache && cache.files && cache.files.has(source)) {
+    return cache.files.get(source)
+  }
+
+  const promise = new Promise((resolve, reject) => {
+    gfs.readFile(source, (err, contents) => {
+      if (err) {
+        if (err.code === 'ENOENT') {
+          resolve(null)
+        } else {
+          reject(err)
+        }
+      } else {
+        resolve(contents)
+      }
+    })
+  })
+
+  if (cache && cache.files) {
+    cache.files.set(source, promise)
+  }
+  return promise
+}
+module.exports = readSafe
-- 
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