From 0a3f9e7dc8121bb5aa0f42521b1823e713b7249a Mon Sep 17 00:00:00 2001
From: Philippe Suter <philippe.suter@gmail.com>
Date: Sun, 10 Feb 2019 21:50:13 -0500
Subject: [PATCH 1/2] Add definition for LineLoop in three

Fixes #25294
---
 types/three/index.d.ts      |  1 +
 types/three/three-core.d.ts | 12 +++++++++++-
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/types/three/index.d.ts b/types/three/index.d.ts
index 08b64250c8..420d48fe67 100644
--- a/types/three/index.d.ts
+++ b/types/three/index.d.ts
@@ -25,6 +25,7 @@
 //                 Zhang Hao <https://github.com/devilsparta>
 //                 Konstantin Lukaschenko <https://github.com/KonstantinLukaschenko>
 //                 Daniel Yim <https://github.com/danyim>
+//                 Philippe Suter <https://github.com/psuter>
 // Definitions: https://github.com//DefinitelyTyped
 // TypeScript Version: 2.8
 
diff --git a/types/three/three-core.d.ts b/types/three/three-core.d.ts
index 4866cbfd54..34ac8cc1c5 100755
--- a/types/three/three-core.d.ts
+++ b/types/three/three-core.d.ts
@@ -5273,13 +5273,23 @@ export class Line extends Object3D {
     geometry: Geometry | BufferGeometry;
     material: Material | Material[];
 
-    type: "Line";
+    type: "Line" | "LineLoop";
     isLine: true;
 
     computeLineDistances(): this;
     raycast(raycaster: Raycaster, intersects: Intersection[]): void;
 }
 
+export class LineLoop extends Line {
+    constructor(
+        geometry?: Geometry | BufferGeometry,
+        material?: Material | Material[]
+    );
+
+    type: "LineLoop";
+    isLineLoop: true;
+}
+
 /**
  * @deprecated
  */

From 7413c61ef88abd5ac80280e1909d1dcd0a5f6725 Mon Sep 17 00:00:00 2001
From: Jessica Franco <jessicamfranco3@gmail.com>
Date: Sun, 17 Feb 2019 02:17:42 +0900
Subject: [PATCH 2/2] Also add equivalent declaration to LineSegments

---
 types/three/three-core.d.ts | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/types/three/three-core.d.ts b/types/three/three-core.d.ts
index 34ac8cc1c5..a2bcd4e60a 100755
--- a/types/three/three-core.d.ts
+++ b/types/three/three-core.d.ts
@@ -5273,7 +5273,7 @@ export class Line extends Object3D {
     geometry: Geometry | BufferGeometry;
     material: Material | Material[];
 
-    type: "Line" | "LineLoop";
+    type: "Line" | "LineLoop" | "LineSegments";
     isLine: true;
 
     computeLineDistances(): this;
@@ -5305,6 +5305,9 @@ export class LineSegments extends Line {
         material?: Material | Material[],
         mode?: number
     );
+    
+    type: "LineSegments";
+    isLineSegments: true;
 }
 
 export class Mesh extends Object3D {