Fix all linter errors.

src/components/svg/keys/svg-text-icon-key.component.ts

@@ -11,7 +11,6 @@ export class SvgTextIconKeyComponent implements OnInit {
     @Input() text: string;
     @Input() icon: string;
 
-
     private useWidth: number;
     private useHeight: number;
     private useX: number;

src/components/svg/keys/svg-two-line-text-key.component.html

@@ -5,7 +5,7 @@
          <tspan
                 *ngFor="let text of texts; let index = index"
                 [attr.x]="spanX"
-                [attr.y]="spanY(index)"
+                [attr.y]="spanYs[index]"
                 dy="0"
                 >{{ text }}</tspan>
  </svg:text>

src/components/svg/keys/svg-two-line-text-key.component.ts

@@ -12,15 +12,17 @@ export class SvgTwoLineTextKeyComponent implements OnInit {
 
     private textY: number;
     private spanX: number;
+    private spanYs: number[];
 
-    constructor() { }
+    constructor() {
+        this.spanYs = [];
+    }
 
     ngOnInit() {
         this.textY = this.height / 2;
         this.spanX = this.width / 2;
-    }
-
-    private spanY(index: number) {
-        return (0.75 - index * 0.5) * this.height;
+        for (let i = 0; i < this.texts.length; ++i) {
+            this.spanYs.push((0.75 - i * 0.5) * this.height);
+        }
     }
 }