chore: refactor all JS specs to TS (#92)

* chore: refactor all JS specs to TS

* deps: update cypress to v6.3.0

Author: fuxingloh

cypress/integration/functional/append.spec.js renamed to cypress/integration/functional/append.spec.ts

@@ -1,15 +1,14 @@
 /// <reference types="cypress" />
 
-function toBeDifferentWidth(select) {
+function toBeDifferentWidth(select: string) {
   cy.get(`${select} .v-hl-container > :nth-child(1)`)
     .invoke('outerWidth')
     .then(lhs => {
       cy.get(`${select} .v-hl-container > :nth-child(2)`)
         .invoke('outerWidth')
-        .then(rhs => {
-          expect(lhs).to.be.not.closeTo(rhs, 1);
+        .then((rhs: any) => {
+          expect(lhs).to.be.not.closeTo(rhs as number, 1);
         })
-
     })
 }
 

cypress/integration/functional/content-overflow.spec.js renamed to cypress/integration/functional/content-overflow.spec.ts

@@ -1,15 +1,14 @@
 /// <reference types="cypress" />
 
-function beSameWidth(select) {
+function beSameWidth(select: string) {
   cy.get(`${select} .v-hl-container > :nth-child(1)`)
     .invoke('outerWidth')
     .then(lhs => {
       cy.get(`${select} .v-hl-container > :nth-child(2)`)
         .invoke('outerWidth')
-        .then(rhs => {
+        .then((rhs: any) => {
           expect(lhs).to.be.closeTo(rhs, 0.5);
         })
-
     })
 }
 
@@ -20,19 +19,19 @@ describe('fixed-width', () => {
   })
 
   it('should be all same width', function () {
-    for (const i of [1,2]) {
+    for (const i of [1, 2]) {
       cy.get(`.20-items .v-hl-container > :nth-child(${i})`)
         .invoke('outerWidth')
         .then(lhs => {
           cy.get(`.2-items .v-hl-container > :nth-child(${i})`)
             .invoke('outerWidth')
-            .then(rhs => {
+            .then((rhs: any) => {
               expect(lhs).to.be.closeTo(rhs, 0.5);
             })
 
           cy.get(`.fixed-content .v-hl-container > :nth-child(${i})`)
             .invoke('outerWidth')
-            .then(rhs => {
+            .then((rhs: any) => {
               expect(lhs).to.be.closeTo(rhs, 0.5);
             })
         })