refactor(): use const and let instead of var

modules/benchmarks/src/bootstrap_ng2.ts

@@ -18,7 +18,7 @@
 
   function benchmarksBootstrap() {
     // check query param
-    var useBundles = location.search.indexOf('bundles=false') == -1;
+    const useBundles = location.search.indexOf('bundles=false') == -1;
     if (useBundles) {
       System.config({
         defaultJSExtensions: true,

modules/benchmarks/src/largeform/ng2/app.ts

@@ -69,14 +69,14 @@ export class AppComponent {
   copies: number[] = [];
   values: string[] = [];
   constructor() {
-    for (var i = 0; i < 50; i++) {
+    for (let i = 0; i < 50; i++) {
       this.values[i] = `someValue${i}`;
     }
   }
 
   setCopies(count: number) {
     this.copies = [];
-    for (var i = 0; i < count; i++) {
+    for (let i = 0; i < count; i++) {
       this.copies.push(i);
     }
   }

modules/benchmarks/src/largetable/baseline/index.ts

@@ -10,7 +10,7 @@ import {bindAction, profile} from '../../util';
 import {buildTable, emptyTable} from '../util';
 import {TableComponent} from './table';
 
-var table: TableComponent;
+let table: TableComponent;
 
 function destroyDom() {
   table.data = emptyTable;

modules/benchmarks/src/largetable/incremental_dom/index.ts

@@ -11,7 +11,7 @@ import {buildTable, emptyTable} from '../util';
 import {TableComponent} from './table';
 
 export function main() {
-  var table: TableComponent;
+  let table: TableComponent;
 
   function destroyDom() { table.data = emptyTable; }
 

modules/benchmarks/src/old/compiler/compiler_benchmark.ts

@@ -21,7 +21,7 @@ import {CompilerConfig, DirectiveResolver} from '@angular/compiler';
 import {getIntParameter, bindAction} from '@angular/testing/src/benchmark_util';
 
 function _createBindings(): any[] {
-  var multiplyTemplatesBy = getIntParameter('elements');
+  const multiplyTemplatesBy = getIntParameter('elements');
   return [
     {
       provide: DirectiveResolver,
@@ -42,7 +42,7 @@ function _createBindings(): any[] {
 export function main() {
   BrowserDomAdapter.makeCurrent();
   bootstrap(CompilerAppComponent, _createBindings()).then((ref) => {
-    var app = ref.instance;
+    const app = ref.instance;
     bindAction('#compileNoBindings', measureWrapper(() => app.compileNoBindings(), 'No Bindings'));
     bindAction(
         '#compileWithBindings', measureWrapper(() => app.compileWithBindings(), 'With Bindings'));
@@ -51,13 +51,13 @@ export function main() {
 
 function measureWrapper(func, desc) {
   return function() {
-    var begin = new Date();
+    const begin = new Date();
     print(`[${desc}] Begin...`);
-    var onSuccess = function(_) {
-      var elapsedMs = new Date().getTime() - begin.getTime();
+    const onSuccess = function(_) {
+      const elapsedMs = new Date().getTime() - begin.getTime();
       print(`[${desc}] ...done, took ${elapsedMs} ms`);
     };
-    var onError = function(e) { DOM.logError(e); };
+    const onError = function(e) { DOM.logError(e); };
     PromiseWrapper.then(func(), onSuccess, onError);
   };
 }
@@ -74,9 +74,9 @@ class MultiplyDirectiveResolver extends DirectiveResolver {
   }
 
   private _fillCache(component: Type) {
-    var view = super.resolve(component);
-    var multipliedTemplates = new Array(this._multiplyBy);
-    for (var i = 0; i < this._multiplyBy; ++i) {
+    const view = super.resolve(component);
+    const multipliedTemplates = new Array(this._multiplyBy);
+    for (let i = 0; i < this._multiplyBy; ++i) {
       multipliedTemplates[i] = view.template;
     }
     this._cache.set(

modules/benchmarks/src/old/compiler/selector_benchmark.ts

@@ -13,41 +13,41 @@ import {bindAction, getIntParameter} from '@angular/testing/src/benchmark_util';
 
 export function main() {
   BrowserDomAdapter.makeCurrent();
-  var count = getIntParameter('selectors');
+  const count = getIntParameter('selectors');
 
-  var fixedMatcher;
-  var fixedSelectorStrings = [];
-  var fixedSelectors = [];
-  for (var i = 0; i < count; i++) {
+  let fixedMatcher;
+  const fixedSelectorStrings = [];
+  const fixedSelectors = [];
+  for (let i = 0; i < count; i++) {
     fixedSelectorStrings.push(randomSelector());
   }
-  for (var i = 0; i < count; i++) {
+  for (let i = 0; i < count; i++) {
     fixedSelectors.push(CssSelector.parse(fixedSelectorStrings[i]));
   }
   fixedMatcher = new SelectorMatcher();
-  for (var i = 0; i < count; i++) {
+  for (let i = 0; i < count; i++) {
     fixedMatcher.addSelectables(fixedSelectors[i], i);
   }
 
   function parse() {
-    var result = [];
-    for (var i = 0; i < count; i++) {
+    const result = [];
+    for (let i = 0; i < count; i++) {
       result.push(CssSelector.parse(fixedSelectorStrings[i]));
     }
     return result;
   }
 
   function addSelectable() {
-    var matcher = new SelectorMatcher();
-    for (var i = 0; i < count; i++) {
+    const matcher = new SelectorMatcher();
+    for (let i = 0; i < count; i++) {
       matcher.addSelectables(fixedSelectors[i], i);
     }
     return matcher;
   }
 
   function match() {
-    var matchCount = 0;
-    for (var i = 0; i < count; i++) {
+    let matchCount = 0;
+    for (let i = 0; i < count; i++) {
       fixedMatcher.match(fixedSelectors[i][0], (selector, selected) => { matchCount += selected; });
     }
     return matchCount;
@@ -59,18 +59,18 @@ export function main() {
 }
 
 function randomSelector() {
-  var res = randomStr(5);
-  for (var i = 0; i < 3; i++) {
+  let res = randomStr(5);
+  for (let i = 0; i < 3; i++) {
     res += '.' + randomStr(5);
   }
-  for (var i = 0; i < 3; i++) {
+  for (let i = 0; i < 3; i++) {
     res += '[' + randomStr(3) + '=' + randomStr(6) + ']';
   }
   return res;
 }
 
 function randomStr(len) {
-  var s = '';
+  let s = '';
   while (s.length < len) {
     s += randomChar();
   }
@@ -78,7 +78,7 @@ function randomStr(len) {
 }
 
 function randomChar() {
-  var n = randomNum(62);
+  const n = randomNum(62);
   if (n < 10) return n.toString();                        // 1-10
   if (n < 36) return StringWrapper.fromCharCode(n + 55);  // A-Z
   return StringWrapper.fromCharCode(n + 61);              // a-z

modules/benchmarks/src/old/costs/index.ts

@@ -14,16 +14,16 @@ import {BrowserModule, bootstrap} from '@angular/platform-browser';
 import {platformBrowserDynamic} from '@angular/platform-browser-dynamic';
 import {bindAction, getIntParameter} from '@angular/testing/src/benchmark_util';
 
-var testList = null;
+let testList = null;
 
 export function main() {
-  var size = getIntParameter('size');
+  const size = getIntParameter('size');
   testList = new Array(size);
 
   platformBrowserDynamic().bootstrapModule(AppModule).then((ref) => {
-    var injector = ref.injector;
-    var app: AppComponent = ref.instance;
-    var appRef = injector.get(ApplicationRef);
+    const injector = ref.injector;
+    const app: AppComponent = ref.instance;
+    const appRef = injector.get(ApplicationRef);
 
     bindAction('#reset', function() {
       app.reset();

modules/benchmarks/src/old/di/di_benchmark.ts

@@ -12,7 +12,7 @@ import {ReflectionCapabilities} from '@angular/core/src/reflection/reflection_ca
 import {BrowserDomAdapter} from '@angular/platform-browser/src/browser/browser_adapter';
 import {bindAction, getIntParameter, microBenchmark} from '@angular/testing/src/benchmark_util';
 
-var count = 0;
+let count = 0;
 
 function setupReflector() {
   reflector.reflectionCapabilities = new ReflectionCapabilities();
@@ -20,48 +20,48 @@ function setupReflector() {
 
 export function main() {
   BrowserDomAdapter.makeCurrent();
-  var iterations = getIntParameter('iterations');
+  const iterations = getIntParameter('iterations');
 
   // This benchmark does not use bootstrap and needs to create a reflector
   setupReflector();
-  var bindings = [A, B, C, D, E];
-  var injector = ReflectiveInjector.resolveAndCreate(bindings);
+  const bindings = [A, B, C, D, E];
+  const injector = ReflectiveInjector.resolveAndCreate(bindings);
 
-  var D_KEY = ReflectiveKey.get(D);
-  var E_KEY = ReflectiveKey.get(E);
-  var childInjector = injector.resolveAndCreateChild([])
-                          .resolveAndCreateChild([])
-                          .resolveAndCreateChild([])
-                          .resolveAndCreateChild([])
-                          .resolveAndCreateChild([]);
+  const D_KEY = ReflectiveKey.get(D);
+  const E_KEY = ReflectiveKey.get(E);
+  const childInjector = injector.resolveAndCreateChild([])
+                            .resolveAndCreateChild([])
+                            .resolveAndCreateChild([])
+                            .resolveAndCreateChild([])
+                            .resolveAndCreateChild([]);
 
-  var variousProviders = [A, {provide: B, useClass: C}, [D, [E]], {provide: F, useValue: 6}];
+  const variousProviders = [A, {provide: B, useClass: C}, [D, [E]], {provide: F, useValue: 6}];
 
-  var variousProvidersResolved = ReflectiveInjector.resolve(variousProviders);
+  const variousProvidersResolved = ReflectiveInjector.resolve(variousProviders);
 
   function getByToken() {
-    for (var i = 0; i < iterations; ++i) {
+    for (let i = 0; i < iterations; ++i) {
       injector.get(D);
       injector.get(E);
     }
   }
   function getByKey() {
-    for (var i = 0; i < iterations; ++i) {
+    for (let i = 0; i < iterations; ++i) {
       injector.get(D_KEY);
       injector.get(E_KEY);
     }
   }
 
   function getChild() {
-    for (var i = 0; i < iterations; ++i) {
+    for (let i = 0; i < iterations; ++i) {
       childInjector.get(D);
       childInjector.get(E);
     }
   }
 
   function instantiate() {
-    for (var i = 0; i < iterations; ++i) {
-      var child = injector.resolveAndCreateChild([E]);
+    for (let i = 0; i < iterations; ++i) {
+      const child = injector.resolveAndCreateChild([E]);
       child.get(E);
     }
   }
@@ -70,7 +70,7 @@ export function main() {
    * Creates an injector with a variety of provider types.
    */
   function createVariety() {
-    for (var i = 0; i < iterations; ++i) {
+    for (let i = 0; i < iterations; ++i) {
       ReflectiveInjector.resolveAndCreate(variousProviders);
     }
   }
@@ -79,7 +79,7 @@ export function main() {
    * Same as [createVariety] but resolves providers ahead of time.
    */
   function createVarietyResolved() {
-    for (var i = 0; i < iterations; ++i) {
+    for (let i = 0; i < iterations; ++i) {
       ReflectiveInjector.fromResolvedProviders(variousProvidersResolved);
     }
   }

modules/benchmarks/src/old/naive_infinite_scroll/app.ts

@@ -37,18 +37,18 @@ export class App {
   scrollIncrement: number;
 
   constructor() {
-    var appSize = getIntParameter('appSize');
+    let appSize = getIntParameter('appSize');
     this.iterationCount = getIntParameter('iterationCount');
     this.scrollIncrement = getIntParameter('scrollIncrement');
     appSize = appSize > 1 ? appSize - 1 : 0;  // draw at least one table
     this.scrollAreas = [];
-    for (var i = 0; i < appSize; i++) {
+    for (let i = 0; i < appSize; i++) {
       this.scrollAreas.push(i);
     }
     bindAction('#run-btn', () => { this.runBenchmark(); });
     bindAction('#reset-btn', () => {
       this._getScrollDiv().scrollTop = 0;
-      var existingMarker = this._locateFinishedMarker();
+      const existingMarker = this._locateFinishedMarker();
       if (isPresent(existingMarker)) {
         DOM.removeChild(document.body, existingMarker);
       }
@@ -56,9 +56,9 @@ export class App {
   }
 
   runBenchmark() {
-    var scrollDiv = this._getScrollDiv();
-    var n: number = this.iterationCount;
-    var scheduleScroll;
+    const scrollDiv = this._getScrollDiv();
+    let n: number = this.iterationCount;
+    let scheduleScroll;
     scheduleScroll = () => {
       TimerWrapper.setTimeout(() => {
         scrollDiv.scrollTop += this.scrollIncrement;
@@ -75,13 +75,13 @@ export class App {
 
   // Puts a marker indicating that the test is finished.
   private _scheduleFinishedMarker() {
-    var existingMarker = this._locateFinishedMarker();
+    const existingMarker = this._locateFinishedMarker();
     if (isPresent(existingMarker)) {
       // Nothing to do, the marker is already there
       return;
     }
     TimerWrapper.setTimeout(() => {
-      var finishedDiv = DOM.createElement('div');
+      const finishedDiv = DOM.createElement('div');
       finishedDiv.id = 'done';
       DOM.setInnerHTML(finishedDiv, 'Finished');
       DOM.appendChild(document.body, finishedDiv);

modules/benchmarks/src/old/naive_infinite_scroll/cells.ts

@@ -87,7 +87,7 @@ export class StageButtonsComponent extends HasStyle {
   }
 
   private _computeStageButtons() {
-    var disabled = true;
+    let disabled = true;
     this.stages = STATUS_LIST
                       .map((status) => {
                         const isCurrent = this._offering.status == status;

modules/benchmarks/src/old/naive_infinite_scroll/common.ts

@@ -49,10 +49,10 @@ export class CustomDate {
   }
 
   addDays(days: number): CustomDate {
-    var newDay = this.day + days;
-    var newMonth = this.month + Math.floor(newDay / 30);
+    let newDay = this.day + days;
+    const newMonth = this.month + Math.floor(newDay / 30);
     newDay = newDay % 30;
-    var newYear = this.year + Math.floor(newMonth / 12);
+    const newYear = this.year + Math.floor(newMonth / 12);
     return new CustomDate(newYear, newMonth, newDay);
   }
 
@@ -68,10 +68,10 @@ export class RawEntity {
     if (key.indexOf('.') == -1) {
       return this._data[key];
     }
-    var pieces = key.split('.');
-    var last = pieces[pieces.length - 1];
+    const pieces = key.split('.');
+    const last = pieces[pieces.length - 1];
     pieces.length = pieces.length - 1;
-    var target = this._resolve(pieces, this);
+    const target = this._resolve(pieces, this);
     if (target == null) {
       return null;
     }
@@ -83,10 +83,10 @@ export class RawEntity {
       this._data[key] = value;
       return;
     }
-    var pieces = key.split('.');
-    var last = pieces[pieces.length - 1];
+    const pieces = key.split('.');
+    const last = pieces[pieces.length - 1];
     pieces.length = pieces.length - 1;
-    var target = this._resolve(pieces, this);
+    const target = this._resolve(pieces, this);
     target[last] = value;
   }
 
@@ -94,16 +94,16 @@ export class RawEntity {
     if (!StringWrapper.contains(key, '.')) {
       return this._data.delete(key);
     }
-    var pieces = key.split('.');
-    var last = pieces[pieces.length - 1];
+    const pieces = key.split('.');
+    const last = pieces[pieces.length - 1];
     pieces.length = pieces.length - 1;
-    var target = this._resolve(pieces, this);
+    const target = this._resolve(pieces, this);
     return target.remove(last);
   }
 
   private _resolve(pieces, start) {
-    var cur = start;
-    for (var i = 0; i < pieces.length; i++) {
+    let cur = start;
+    for (let i = 0; i < pieces.length; i++) {
       cur = cur[pieces[i]];
       if (cur == null) {
         return null;

modules/benchmarks/src/old/naive_infinite_scroll/random_data.ts

@@ -9,15 +9,15 @@
 import {AAT_STATUS_LIST, Account, Company, CustomDate, Offering, Opportunity, STATUS_LIST} from './common';
 
 export function generateOfferings(count: number): Offering[] {
-  var res = [];
-  for (var i = 0; i < count; i++) {
+  const res = [];
+  for (let i = 0; i < count; i++) {
     res.push(generateOffering(i));
   }
   return res;
 }
 
 export function generateOffering(seed: number): Offering {
-  var res = new Offering();
+  const res = new Offering();
   res.name = generateName(seed++);
   res.company = generateCompany(seed++);
   res.opportunity = generateOpportunity(seed++);
@@ -33,24 +33,24 @@ export function generateOffering(seed: number): Offering {
 }
 
 export function generateCompany(seed: number): Company {
-  var res = new Company();
+  const res = new Company();
   res.name = generateName(seed);
   return res;
 }
 
 export function generateOpportunity(seed: number): Opportunity {
-  var res = new Opportunity();
+  const res = new Opportunity();
   res.name = generateName(seed);
   return res;
 }
 
 export function generateAccount(seed: number): Account {
-  var res = new Account();
+  const res = new Account();
   res.accountId = seed;
   return res;
 }
 
-var names = [
+const names = [
   'Foo', 'Bar', 'Baz', 'Qux', 'Quux', 'Garply', 'Waldo', 'Fred', 'Plugh', 'Xyzzy', 'Thud', 'Cruft',
   'Stuff'
 ];
@@ -59,7 +59,7 @@ function generateName(seed: number): string {
   return names[seed % names.length];
 }
 
-var offsets = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9];
+const offsets = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9];
 
 function randomDate(seed: number, minDate: CustomDate = null): CustomDate {
   if (minDate == null) {
@@ -69,13 +69,13 @@ function randomDate(seed: number, minDate: CustomDate = null): CustomDate {
   return minDate.addDays(offsets[seed % offsets.length]);
 }
 
-var stringLengths = [5, 7, 9, 11, 13];
-var charCodeOffsets = [0, 1, 2, 3, 4, 5, 6, 7, 8];
+const stringLengths = [5, 7, 9, 11, 13];
+const charCodeOffsets = [0, 1, 2, 3, 4, 5, 6, 7, 8];
 
 function randomString(seed: number): string {
-  var len = stringLengths[seed % 5];
-  var str = '';
-  for (var i = 0; i < len; i++) {
+  const len = stringLengths[seed % 5];
+  let str = '';
+  for (let i = 0; i < len; i++) {
     str += StringWrapper.fromCharCode(97 + charCodeOffsets[seed % 9] + i);
   }
   return str;

modules/benchmarks/src/old/naive_infinite_scroll/scroll_area.ts

@@ -48,9 +48,9 @@ export class ScrollAreaComponent {
   }
 
   onScroll(evt) {
-    var scrollTop = 0;
+    let scrollTop = 0;
     if (evt != null) {
-      var scrollDiv = evt.target;
+      const scrollDiv = evt.target;
       if (this.paddingDiv == null) {
         this.paddingDiv = scrollDiv.querySelector('#padding');
       }
@@ -60,9 +60,9 @@ export class ScrollAreaComponent {
       }
       scrollTop = scrollDiv.scrollTop;
     }
-    var iStart = Math.floor(scrollTop / ITEM_HEIGHT);
-    var iEnd = Math.min(iStart + VISIBLE_ITEMS + 1, this._fullList.length);
-    var padding = iStart * ITEM_HEIGHT;
+    const iStart = Math.floor(scrollTop / ITEM_HEIGHT);
+    const iEnd = Math.min(iStart + VISIBLE_ITEMS + 1, this._fullList.length);
+    const padding = iStart * ITEM_HEIGHT;
     if (this.innerDiv != null) {
       this.innerDiv.style.setProperty('height', `${HEIGHT - padding}px`);
     }

modules/benchmarks/src/tree/baseline/index.ts

@@ -10,7 +10,7 @@ import {bindAction, profile} from '../../util';
 import {buildTree, emptyTree} from '../util';
 import {TreeComponent} from './tree';
 
-var tree: TreeComponent;
+let tree: TreeComponent;
 
 function destroyDom() {
   tree.data = emptyTree;

modules/benchmarks/src/tree/incremental_dom/index.ts

@@ -12,7 +12,7 @@ import {TreeComponent} from './tree';
 const {patch} = require('incremental-dom');
 
 export function main() {
-  var tree: TreeComponent;
+  let tree: TreeComponent;
 
   function destroyDom() { tree.data = emptyTree; }
 

modules/benchmarks/src/tree/ng2_ftl/ftl_util.ts

@@ -92,7 +92,7 @@ export class FtlViewContainerRef implements ViewContainerRef {
   }
 
   get(index: number): any {
-    var result = this._firstView;
+    let result = this._firstView;
     while (index > 0 && result) {
       result = result.next;
       index--;
@@ -166,7 +166,7 @@ export class FtlViewContainerRef implements ViewContainerRef {
   }
 
   remove(index?: number): void {
-    var view: FtlView<any> = <any>this.detach(index);
+    const view: FtlView<any> = <any>this.detach(index);
     view.destroyInternal();
   }
 }

modules/benchmarks/src/tree/ng2_static/index.ts

@@ -15,8 +15,8 @@ import {buildTree, emptyTree} from '../util';
 import {AppModule, RootTreeComponent} from './tree';
 
 export function main() {
-  var tree: RootTreeComponent;
-  var appRef: ApplicationRef;
+  let tree: RootTreeComponent;
+  let appRef: ApplicationRef;
 
   function destroyDom() {
     tree.data = emptyTree;

modules/benchmarks/src/tree/ng2_static/tree.ts

@@ -37,7 +37,7 @@ export class RootTreeComponent {
 
 function createModule(): any {
   const components: any[] = [RootTreeComponent];
-  for (var i = 0; i <= maxDepth; i++) {
+  for (let i = 0; i <= maxDepth; i++) {
     components.push(createTreeComponent(i, i === maxDepth));
   }
 

modules/benchmarks/src/tree/ng2_switch/init.ts

@@ -14,8 +14,8 @@ import {buildTree, emptyTree} from '../util';
 import {AppModule, TreeComponent} from './tree';
 
 export function init(moduleRef: NgModuleRef<AppModule>) {
-  var tree: TreeComponent;
-  var appRef: ApplicationRef;
+  let tree: TreeComponent;
+  let appRef: ApplicationRef;
 
   function destroyDom() {
     tree.data = emptyTree;

modules/benchmarks/src/tree/polymer_leaves/index.ts

@@ -20,7 +20,7 @@ export function main() {
 
   function createDom() {
     const flatTree = flattenTree(buildTree(), []);
-    for (var i = 0; i < flatTree.length; i++) {
+    for (let i = 0; i < flatTree.length; i++) {
       const el: any = document.createElement('tree-leaf');
       el.data = flatTree[i];
       rootEl.appendChild(el);

modules/benchmarks/src/util.ts

@@ -13,13 +13,13 @@ export function getIntParameter(name: string) {
 }
 
 export function getStringParameter(name: string) {
-  var els = document.querySelectorAll(`input[name="${name}"]`);
-  var value: any;
-  var el: any;
+  const els = document.querySelectorAll(`input[name="${name}"]`);
+  let value: any;
+  let el: any;
 
-  for (var i = 0; i < els.length; i++) {
+  for (let i = 0; i < els.length; i++) {
     el = els[i];
-    var type = el.type;
+    const type = el.type;
     if ((type != 'radio' && type != 'checkbox') || el.checked) {
       value = el.value;
       break;
@@ -41,11 +41,11 @@ export function bindAction(selector: string, callback: () => void) {
 export function profile(create: () => void, destroy: () => void, name: string) {
   return function() {
     window.console.profile(name + ' w GC');
-    var duration = 0;
-    var count = 0;
+    let duration = 0;
+    let count = 0;
     while (count++ < 150) {
       (<any>window)['gc']();
-      var start = window.performance.now();
+      const start = window.performance.now();
       create();
       duration += window.performance.now() - start;
       destroy();
@@ -57,7 +57,7 @@ export function profile(create: () => void, destroy: () => void, name: string) {
     duration = 0;
     count = 0;
     while (count++ < 150) {
-      var start = window.performance.now();
+      const start = window.performance.now();
       create();
       duration += window.performance.now() - start;
       destroy();
@@ -70,15 +70,15 @@ export function profile(create: () => void, destroy: () => void, name: string) {
 // helper script that will read out the url parameters
 // and store them in appropriate form fields on the page
 function urlParamsToForm() {
-  var regex = /(\w+)=(\w+)/g;
-  var search = decodeURIComponent(location.search);
-  var match: any[];
+  const regex = /(\w+)=(\w+)/g;
+  const search = decodeURIComponent(location.search);
+  let match: any[];
   while (match = regex.exec(search)) {
-    var name = match[1];
-    var value = match[2];
-    var els = document.querySelectorAll('input[name="' + name + '"]');
-    var el: any;
-    for (var i = 0; i < els.length; i++) {
+    const name = match[1];
+    const value = match[2];
+    const els = document.querySelectorAll('input[name="' + name + '"]');
+    let el: any;
+    for (let i = 0; i < els.length; i++) {
       el = els[i];
       if (el.type === 'radio' || el.type === 'checkbox') {
         el.checked = el.value === value;