From d46b09ac32143e1b958af693afffe958082a12b4 Mon Sep 17 00:00:00 2001
From: yann300 <yann.levreau@gmail.com>
Date: Mon, 25 Sep 2017 11:22:39 +0200
Subject: [PATCH] add decode fn

---
 src/util/sourceMappingDecoder.js | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/src/util/sourceMappingDecoder.js b/src/util/sourceMappingDecoder.js
index 39ea602a7a..eb1154499d 100644
--- a/src/util/sourceMappingDecoder.js
+++ b/src/util/sourceMappingDecoder.js
@@ -18,6 +18,23 @@ function SourceMappingDecoder () {
  */
 SourceMappingDecoder.prototype.atIndex = atIndex
 
+/**
+ * Decode the given @arg value
+ *
+ * @param {string} value      - source location to decode ( should be start:length:file )
+ * @return {Object} returns the decompressed source mapping {start, length, file}
+ */
+SourceMappingDecoder.prototype.decode = function (value) {
+  if (value) {
+    value = value.split(':')
+    return {
+      start: parseInt(value[0]),
+      length: parseInt(value[1]),
+      file: parseInt(value[2])
+    }
+  }
+}
+
 /**
  * Decode the source mapping for the given compressed mapping
  *