From 3fb449e39a30595871cff946f4e369ca002444e4 Mon Sep 17 00:00:00 2001
From: Fahmi Akbar Wildana <fahmi.a.w@gmail.com>
Date: Fri, 18 May 2018 09:22:00 +0700
Subject: [PATCH 1/3] [@types/mathjs] update Unit

Base on current docs http://mathjs.org/docs/datatypes/units.html#api
---
 types/mathjs/index.d.ts | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/types/mathjs/index.d.ts b/types/mathjs/index.d.ts
index a02729b635..f0694feb99 100644
--- a/types/mathjs/index.d.ts
+++ b/types/mathjs/index.d.ts
@@ -1307,9 +1307,26 @@ declare namespace math { // tslint:disable-line strict-export-declare-modifiers
 		phi: number;
     }
 
+	interface MathJSON {
+		mathjs?: string;
+		value: number;
+		unit: string;
+		fixPrefix?: boolean;
+	}
+
 	interface Unit {
 		to(unit: string): Unit;
 		toNumber(unit: string): number;
+    	clone(): Unit;
+		equalBase(unit: Unit): boolean;
+		equals(unit: Unit): boolean;
+		format(options: FormatOptions): string;
+		fromJSON(json: MathJSON): Unit;
+		toJSON(): MathJSON;
+		splitUnit(parts: string[]): Unit[];
+		toNumeric(unit: string): number | Fraction | BigNumber;
+		toSI(): Unit;
+		toString(): string;
 	}
 
 	interface CreateUnitOptions {

From 5f58da50b39a59509b4d87515f8000048c0a40e6 Mon Sep 17 00:00:00 2001
From: Fahmi Akbar Wildana <f.a.wildana@gmail.com>
Date: Fri, 18 May 2018 09:34:13 +0700
Subject: [PATCH 2/3] [avoid common mistake] change to ReadonlyArray

---
 types/mathjs/index.d.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/types/mathjs/index.d.ts b/types/mathjs/index.d.ts
index f0694feb99..7141fa077c 100644
--- a/types/mathjs/index.d.ts
+++ b/types/mathjs/index.d.ts
@@ -1323,7 +1323,7 @@ declare namespace math { // tslint:disable-line strict-export-declare-modifiers
 		format(options: FormatOptions): string;
 		fromJSON(json: MathJSON): Unit;
 		toJSON(): MathJSON;
-		splitUnit(parts: string[]): Unit[];
+		splitUnit(parts: ReadonlyArray<string>): Unit[];
 		toNumeric(unit: string): number | Fraction | BigNumber;
 		toSI(): Unit;
 		toString(): string;

From 023a89ede6e2f1c642ed0384a9a6d148d67e9bb2 Mon Sep 17 00:00:00 2001
From: Fahmi Akbar Wildana <f.a.wildana@gmail.com>
Date: Fri, 18 May 2018 09:41:12 +0700
Subject: [PATCH 3/3] increase version number

---
 types/mathjs/index.d.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/types/mathjs/index.d.ts b/types/mathjs/index.d.ts
index 7141fa077c..cdecc3e1b4 100644
--- a/types/mathjs/index.d.ts
+++ b/types/mathjs/index.d.ts
@@ -1,4 +1,4 @@
-// Type definitions for mathjs 3.20
+// Type definitions for mathjs 3.21
 // Project: http://mathjs.org/
 // Definitions by: Ilya Shestakov <https://github.com/siavol>,
 // 				   Andy Patterson <https://github.com/andnp>