fix: comment out unused functions

Author: aminya

lib/mixins/canvas-drawer.js

@@ -405,31 +405,32 @@ export default class CanvasDrawer extends Mixin {
    * @param  {number} lastRow lastRow the last row of the range to update
    * @param  {Function} method the render method to use for the lines drawing
    * @access private
+   * Unused (inlined the code for performance reasons)
    */
-  redrawRangesOnLayer (layer, intactRanges, firstRow, lastRow, method) {
-    const devicePixelRatio = this.minimap.getDevicePixelRatio()
-    const lineHeight = this.minimap.getLineHeight() * devicePixelRatio
-
-    layer.clearCanvas()
-
-    if (intactRanges.length === 0) {
-      method.call(this, firstRow, lastRow, 0)
-    } else {
-      for (let j = 0, len = intactRanges.length; j < len; j++) {
-        const intact = intactRanges[j]
-
-        layer.copyPartFromOffscreen(
-          intact.offscreenRow * lineHeight,
-          (intact.start - firstRow) * lineHeight,
-          (intact.end - intact.start) * lineHeight
-        )
-      }
-      this.drawLinesForRanges(method, intactRanges, firstRow, lastRow)
-    }
-
-    layer.resetOffscreenSize()
-    layer.copyToOffscreen()
-  }
+  // redrawRangesOnLayer (layer, intactRanges, firstRow, lastRow, method) {
+  //   const devicePixelRatio = this.minimap.getDevicePixelRatio()
+  //   const lineHeight = this.minimap.getLineHeight() * devicePixelRatio
+  //
+  //   layer.clearCanvas()
+  //
+  //   if (intactRanges.length === 0) {
+  //     method.call(this, firstRow, lastRow, 0)
+  //   } else {
+  //     for (let j = 0, len = intactRanges.length; j < len; j++) {
+  //       const intact = intactRanges[j]
+  //
+  //       layer.copyPartFromOffscreen(
+  //         intact.offscreenRow * lineHeight,
+  //         (intact.start - firstRow) * lineHeight,
+  //         (intact.end - intact.start) * lineHeight
+  //       )
+  //     }
+  //     this.drawLinesForRanges(method, intactRanges, firstRow, lastRow)
+  //   }
+  //
+  //   layer.resetOffscreenSize()
+  //   layer.copyToOffscreen()
+  // }
 
   /**
    * Renders the lines between the intact ranges when an update has pending
@@ -440,20 +441,21 @@ export default class CanvasDrawer extends Mixin {
    * @param  {number} firstRow the first row of the rendered region
    * @param  {number} lastRow the last row of the rendered region
    * @access private
+   * Unused (inlined the code for performance reasons)
    */
-  drawLinesForRanges (method, ranges, firstRow, lastRow) {
-    let currentRow = firstRow
-    for (let i = 0, len = ranges.length; i < len; i++) {
-      const range = ranges[i]
-
-      method.call(this, currentRow, range.start, currentRow - firstRow)
-
-      currentRow = range.end
-    }
-    if (currentRow <= lastRow) {
-      method.call(this, currentRow, lastRow, currentRow - firstRow)
-    }
-  }
+  // drawLinesForRanges (method, ranges, firstRow, lastRow) {
+  //   let currentRow = firstRow
+  //   for (let i = 0, len = ranges.length; i < len; i++) {
+  //     const range = ranges[i]
+  //
+  //     method.call(this, currentRow, range.start, currentRow - firstRow)
+  //
+  //     currentRow = range.end
+  //   }
+  //   if (currentRow <= lastRow) {
+  //     method.call(this, currentRow, lastRow, currentRow - firstRow)
+  //   }
+  // }
 
   /**
    * Draws back decorations on the corresponding layer.