Add ignore whitespaces in tokens setting

Closes #465

lib/config-schema.json

@@ -97,5 +97,10 @@
     "type":"boolean",
     "default":false,
     "description":"When enabled the text editor content will be able to flow below the minimap."
+  },
+  "ignoreWhitespacesInTokens": {
+    "type":"boolean",
+    "default":false,
+    "description":"When enabled, text editor tokens are rendered as plain blocks, with no regards to the whitespaces they contains."
   }
 }

lib/minimap-element.js

@@ -276,6 +276,12 @@ export default class MinimapElement {
         return this.classList.toggle('absolute', this.absoluteMode)
       },
 
+      'minimap.ignoreWhitespacesInTokens': (ignoreWhitespacesInTokens) => {
+        this.ignoreWhitespacesInTokens = ignoreWhitespacesInTokens
+
+        this.requestForcedUpdate()
+      },
+
       'editor.preferredLineLength': () => {
         if (this.attached) { this.measureHeightAndWidth() }
       },

lib/mixins/canvas-drawer.js

@@ -497,23 +497,30 @@ export default class CanvasDrawer extends Mixin {
   drawToken (context, text, color, x, y, charWidth, charHeight) {
     context.fillStyle = color
 
-    let chars = 0
-    for (let j = 0, len = text.length; j < len; j++) {
-      const char = text[j]
-      if (/\s/.test(char)) {
-        if (chars > 0) {
-          context.fillRect(x - (chars * charWidth), y, chars * charWidth, charHeight)
+    if (this.ignoreWhitespacesInTokens) {
+      const length = text.length * charWidth
+      context.fillRect(x, y, length, charHeight)
+
+      return x + length
+    } else {
+      let chars = 0
+      for (let j = 0, len = text.length; j < len; j++) {
+        const char = text[j]
+        if (/\s/.test(char)) {
+          if (chars > 0) {
+            context.fillRect(x - (chars * charWidth), y, chars * charWidth, charHeight)
+          }
+          chars = 0
+        } else {
+          chars++
         }
-        chars = 0
-      } else {
-        chars++
+        x += charWidth
       }
-      x += charWidth
-    }
-    if (chars > 0) {
-      context.fillRect(x - (chars * charWidth), y, chars * charWidth, charHeight)
+      if (chars > 0) {
+        context.fillRect(x - (chars * charWidth), y, chars * charWidth, charHeight)
+      }
+      return x
     }
-    return x
   }
 
   /**