From 32aebe68bab04e558a3eeb68f709a4422700f21a Mon Sep 17 00:00:00 2001
From: Alex Dima <alexdima@microsoft.com>
Date: Fri, 7 Jul 2017 13:03:40 +0200
Subject: [PATCH] Hint lines array size for faster model creation (#30180)

---
 src/vs/editor/common/model/textModel.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/vs/editor/common/model/textModel.ts b/src/vs/editor/common/model/textModel.ts
index 78569f61d0f..5eb1f1bba7e 100644
--- a/src/vs/editor/common/model/textModel.ts
+++ b/src/vs/editor/common/model/textModel.ts
@@ -774,7 +774,7 @@ export class TextModel implements editorCommon.ITextModel {
 	private _constructLines(textSource: ITextSource): void {
 		const tabSize = this._options.tabSize;
 		let rawLines = textSource.lines;
-		let modelLines: IModelLine[] = [];
+		let modelLines: IModelLine[] = new Array<IModelLine>(rawLines.length);
 
 		for (let i = 0, len = rawLines.length; i < len; i++) {
 			modelLines[i] = this._createModelLine(rawLines[i], tabSize);
-- 
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