From a2af83d50a7a22ffc717943e818aeabd22b767ce Mon Sep 17 00:00:00 2001
From: katainaka0503 <katainaka0503@gmail.com>
Date: Mon, 20 Mar 2017 15:16:23 +0900
Subject: [PATCH] Introduce minimum threshold

---
 src/typings/jschardet.d.ts   | 4 ++++
 src/vs/base/node/encoding.ts | 4 ++++
 2 files changed, 8 insertions(+)

diff --git a/src/typings/jschardet.d.ts b/src/typings/jschardet.d.ts
index 5389e32b3c0..9c553b129eb 100644
--- a/src/typings/jschardet.d.ts
+++ b/src/typings/jschardet.d.ts
@@ -4,4 +4,8 @@ declare module 'jschardet' {
 		confidence: number
 	}
 	export function detect(buffer: NodeBuffer): IDetectedMap;
+
+	export const Constants: {
+		MINIMUM_THRESHOLD: number,
+	}
 }
\ No newline at end of file
diff --git a/src/vs/base/node/encoding.ts b/src/vs/base/node/encoding.ts
index f6b9ae6d7c5..99eea2a9efd 100644
--- a/src/vs/base/node/encoding.ts
+++ b/src/vs/base/node/encoding.ts
@@ -95,7 +95,11 @@ export function detectEncodingByBOM(file: string): TPromise<string> {
 	return stream.readExactlyByFile(file, 3).then(({ buffer, bytesRead }) => detectEncodingByBOMFromBuffer(buffer, bytesRead));
 }
 
+const MINIMUM_THRESHOLD = 0.2; //Todo. Decide how much this should be.
+
 const IGNORE_ENCODINGS = ['ascii', 'utf-8', 'utf-16', 'utf-32'];
+
+jschardet.Constants.MINIMUM_THRESHOLD = MINIMUM_THRESHOLD;
 /**
  * Guesses the encoding from buffer.
  */
-- 
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