style: resolving code styling issues

Author: matheus-crivellari

projects/ngx-mask-lib/src/lib/mask-applier.service.ts

@@ -358,10 +358,11 @@ export class MaskApplierService {
     let res: string = x[0];
     const separatorLimit: string = this.separatorLimit.replace(/\s/g, '');
     if (separatorLimit && +separatorLimit) {
-      if(res[0] === '-')
-        res = `-${res.slice(1, res.length).slice(0, separatorLimit.length)}`;
-      else
-        res = res.slice(0, separatorLimit.length);
+      if (res[0] === '-') {
+          res = `-${res.slice(1, res.length).slice(0, separatorLimit.length)}`;
+      } else {
+          res = res.slice(0, separatorLimit.length);
+      }
     }
     const rgx: RegExp = /(\d+)(\d{3})/;
     while (rgx.test(res)) {
@@ -410,7 +411,7 @@ export class MaskApplierService {
     return str
       .split('')
       .filter((i: string, idx: number) => {
-        return i.match('^-?\\d') || i === '.' || i === ',' || (i === '-' && idx == 0)
+        return i.match('^-?\\d') || i === '.' || i === ',' || (i === '-' && idx === 0);
       })
       .join('');
   }