export class UtilSOP {
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public static readonly dayArray: string[] = ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'];
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/**
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* Format the date into string format (1-Jan-2021).
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*
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* @param date Date to format.
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* @returns The date string in format (1-Jan-2021).
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*/
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public static getDateString(date: Date): string {
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const actualDateDay = date.getDate(); // Careful not to use getDay() as that returns day of the week
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const actualDateMonthShort = date.toLocaleString('en-us', { month: 'short' }); // Format = Jan, Feb ....
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const actualDateYear = date.getFullYear();
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const actualDateStr = `${actualDateDay}-${actualDateMonthShort}-${actualDateYear}`;
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return actualDateStr;
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}
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public static getDaysString(dayNumbers: number[]): string[] {
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return dayNumbers.map((x: number) => UtilSOP.dayArray[x]);
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}
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public static getInterfaceKeysAsStringArray(interfaceObj: any): string[] {
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const arr: string[] = [];
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for (const [key, _value] of Object.entries(interfaceObj)) {
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arr.push(key);
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}
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return arr;
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}
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public static getInterfaceObjectAsKeyValueArray(interfaceObj: any): string[] {
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const arr: string[] = [];
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for (const [key, value] of Object.entries(interfaceObj)) {
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arr.push(`${key} = "${value}"`);
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}
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return arr;
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}
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/**
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* More precise rounding of numbers.
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* https://www.jacklmoore.com/notes/rounding-in-javascript/
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*
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* @param num Number to round
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* @param decimals Number of decimals to round
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* @returns Rounded number
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*/
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public static roundNumber(num: number, decimals: number): number {
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const a = Number(`${num}e${decimals}`);
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return Number(`${Math.round(a)}e-${decimals}`);
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}
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/**
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* Retrieve all values (ignoring the keys) from the array of interface and output the values as string array.
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*
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* @param arrKeyValues Array of interface such as [{Name: X1}, {Name: X2}]
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* @returns The string array in the form [X1, X2]
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*/
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public static transformInterfaceValuesToStringArray(arrKeyValues: any[]): string[] {
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const values: string[] = [];
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// For each object in the array, retrieve the values delimited by comma
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// Example: [{Name: X1}, {Name: X2}] => [X1, X2]
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for (const keyValue of arrKeyValues) {
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for (const [, entryvalue] of Object.entries(keyValue)) {
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values.push(entryvalue as string);
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}
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}
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return values;
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}
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}
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