1 files changed, 24 insertions, 0 deletions
diff --git a/date-fns/src/locale/_lib/buildMatchPatternFn/index.js b/date-fns/src/locale/_lib/buildMatchPatternFn/index.js
new file mode 100644
index 0000000..faaabed
--- /dev/null
+++ b/date-fns/src/locale/_lib/buildMatchPatternFn/index.js
@@ -0,0 +1,24 @@
+export default function buildMatchPatternFn (args) {
+  return function (dirtyString, dirtyOptions) {
+    var string = String(dirtyString)
+    var options = dirtyOptions || {}
+
+    var matchResult = string.match(args.matchPattern)
+    if (!matchResult) {
+      return null
+    }
+    var matchedString = matchResult[0]
+
+    var parseResult = string.match(args.parsePattern)
+    if (!parseResult) {
+      return null
+    }
+    var value = args.valueCallback ? args.valueCallback(parseResult[0]) : parseResult[0]
+    value = options.valueCallback ? options.valueCallback(value) : value
+
+    return {
+      value: value,
+      rest: string.slice(matchedString.length)
+    }
+  }
+}