fix: use minimap methods in CanvasDrawer

Author: aminya

lib/minimap-element.js

@@ -713,6 +713,8 @@ class MinimapElement {
    */
   setModel (minimap) {
     this.minimap = minimap
+    // TODO: go direct
+    this.CanvasDrawer.minimap = minimap
 
     this.subscriptions.add(
 

lib/mixins/canvas-drawer.js

@@ -13,6 +13,10 @@ import CanvasLayer from '../canvas-layer'
  * methods  are available on any `MinimapElement` instance.
  */
 export default class CanvasDrawer {
+  constructor() {
+    // set in setModel of minimapElement
+    this.minimap = undefined
+  }
   /**
    * Initializes the canvas elements needed to perform the `Minimap` rendering.
    */
@@ -401,8 +405,8 @@ export default class CanvasDrawer {
    * @access private
    */
   eachTokenForScreenRows (startRow, endRow, callback) {
-    const editor = this.getTextEditor()
-    const invisibleRegExp = this.getInvisibleRegExp()
+    const editor = this.minimap.getTextEditor()
+    const invisibleRegExp = this.getInvisibleRegExp(editor)
     endRow = Math.min(endRow, editor.getScreenLineCount())
 
     for (let row = startRow; row < endRow; row++) {
@@ -471,12 +475,12 @@ export default class CanvasDrawer {
   /**
    * Returns the regexp to replace invisibles substitution characters
    * in editor lines.
-   *
+   * @param {TextEditor} editor
    * @return {RegExp} the regular expression to match invisible characters
    * @access private
    */
-  getInvisibleRegExp () {
-    const invisibles = this.getTextEditor().getInvisibles()
+  getInvisibleRegExp (editor) {
+    const invisibles = editor.getInvisibles()
     const regexp = []
     if (invisibles.cr != null) { regexp.push(invisibles.cr) }
     if (invisibles.eol != null) { regexp.push(invisibles.eol) }