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[VSoRC/.git] / node_modules / xterm / src / browser / RenderDebouncer.ts

diff --git a/node_modules/xterm/src/browser/RenderDebouncer.ts b/node_modules/xterm/src/browser/RenderDebouncer.ts
deleted file mode 100644 (file)
index 27c866d..0000000
--- a/node_modules/xterm/src/browser/RenderDebouncer.ts
+++ /dev/null
@@ -1,63 +0,0 @@
-/**
- * Copyright (c) 2018 The xterm.js authors. All rights reserved.
- * @license MIT
- */
-
-import { IDisposable } from 'common/Types';
-
-/**
- * Debounces calls to render terminal rows using animation frames.
- */
-export class RenderDebouncer implements IDisposable {
-  private _rowStart: number | undefined;
-  private _rowEnd: number | undefined;
-  private _rowCount: number | undefined;
-  private _animationFrame: number | undefined;
-
-  constructor(
-    private _renderCallback: (start: number, end: number) => void
-  ) {
-  }
-
-  public dispose(): void {
-    if (this._animationFrame) {
-      window.cancelAnimationFrame(this._animationFrame);
-      this._animationFrame = undefined;
-    }
-  }
-
-  public refresh(rowStart: number, rowEnd: number, rowCount: number): void {
-    this._rowCount = rowCount;
-    // Get the min/max row start/end for the arg values
-    rowStart = rowStart !== undefined ? rowStart : 0;
-    rowEnd = rowEnd !== undefined ? rowEnd : this._rowCount - 1;
-    // Set the properties to the updated values
-    this._rowStart = this._rowStart !== undefined ? Math.min(this._rowStart, rowStart) : rowStart;
-    this._rowEnd = this._rowEnd !== undefined ? Math.max(this._rowEnd, rowEnd) : rowEnd;
-
-    if (this._animationFrame) {
-      return;
-    }
-
-    this._animationFrame = window.requestAnimationFrame(() => this._innerRefresh());
-  }
-
-  private _innerRefresh(): void {
-    // Make sure values are set
-    if (this._rowStart === undefined || this._rowEnd === undefined || this._rowCount === undefined) {
-      return;
-    }
-
-    // Clamp values
-    this._rowStart = Math.max(this._rowStart, 0);
-    this._rowEnd = Math.min(this._rowEnd, this._rowCount - 1);
-
-    // Run render callback
-    this._renderCallback(this._rowStart, this._rowEnd);
-
-    // Reset debouncer
-    this._rowStart = undefined;
-    this._rowEnd = undefined;
-    this._animationFrame = undefined;
-  }
-}