refactor(build): add missing TS types

Author: Ghislain Beaulac

src/app/modules/angular-slickgrid/services/utilities.ts

@@ -12,7 +12,7 @@ declare var $: any;
  * this is used in the CSV export
  * @param int nbSpaces: number of white spaces to create
  */
-export function addWhiteSpaces(nbSpaces): string {
+export function addWhiteSpaces(nbSpaces: number): string {
   let result = '';
 
   for (let i = 0; i < nbSpaces; i++) {
@@ -25,7 +25,7 @@ export function addWhiteSpaces(nbSpaces): string {
  * Create a in-memory div, set it's inner text(which jQuery automatically encodes)
  * then grab the encoded contents back out.  The div never exists on the page.
 */
-export function htmlDecode(encodedStr) {
+export function htmlDecode(encodedStr: string): string {
   const parser = new DOMParser;
   if (parser && parser.parseFromString) {
     const dom = parser.parseFromString(
@@ -42,7 +42,7 @@ export function htmlDecode(encodedStr) {
  * Create a in-memory div, set it's inner text(which jQuery automatically encodes)
  * then grab the encoded contents back out.  The div never exists on the page.
 */
-export function htmlEncode(inputValue: string) {
+export function htmlEncode(inputValue: string): string {
   const entityMap = {
     '&': '&amp;',
     '<': '&lt;',
@@ -157,9 +157,9 @@ export function findOrDefault(array: any[], logic: (item: any) => boolean, defau
   * @param minDecimal
   * @param maxDecimal
   */
-export function decimalFormatted(input: number | string, minDecimal?: number, maxDecimal?: number) {
+export function decimalFormatted(input: number | string, minDecimal?: number, maxDecimal?: number): string {
   if (isNaN(+input)) {
-    return input;
+    return input as string;
   }
 
   const minDec = (minDecimal === undefined) ? 2 : minDecimal;
@@ -204,12 +204,12 @@ export function formatNumber(input: number | string, minDecimal?: number, maxDec
 }
 
 /** From a dot (.) notation find and return a property within an object given a path */
-export function getDescendantProperty(obj: any, path: string) {
+export function getDescendantProperty(obj: any, path: string): any {
   return path.split('.').reduce((acc, part) => acc && acc[part], obj);
 }
 
 /** Get the browser's scrollbar width, this is different to each browser */
-export function getScrollBarWidth() {
+export function getScrollBarWidth(): number {
   const $outer = $('<div>').css({ visibility: 'hidden', width: 100, overflow: 'scroll' }).appendTo('body');
   const widthWithScroll = $('<div>').css({ width: '100%' }).appendTo($outer).outerWidth();
   $outer.remove();
@@ -512,7 +512,7 @@ export function mapOperatorByFieldType(fieldType: FieldType | string): OperatorT
 }
 
 /** Parse any input (bool, number, string) and return a boolean or False when not possible */
-export function parseBoolean(input: boolean | number | string) {
+export function parseBoolean(input: boolean | number | string): boolean {
   return /(true|1)/i.test(input + '');
 }
 
@@ -553,7 +553,7 @@ export function sanitizeHtmlToText(htmlString: string) {
  * @param inputStr
  * @returns string
  */
-export function titleCase(inputStr: string, caseEveryWords = false) {
+export function titleCase(inputStr: string, caseEveryWords = false): string {
   if (typeof inputStr === 'string') {
     if (caseEveryWords) {
       return inputStr.replace(/\w\S*/g, (outputStr) => {