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/**
* isArrayOfType check if the array contains only the specified type
* @param array: the array to be checked
* @param type: the type to be checked
* @returns true if the array contains only the specified type
*/
export function isArrayOfType(array: any[], type: string): boolean {
return array.filter((i) => typeof i === type).length === array.length;
}
/**
* range - returns an array of numbers from start to end
* @param start: the start of the range
* @param end: the end of the range
* @param step: the step of the range
* @returns an array of numbers from start to end
*/
export function range(
start: number,
end: number,
step = 1,
remove?: Array<number>
): Array<number> {
// Check if start, end and step are integers
if (
!Number.isInteger(start) ||
!Number.isInteger(end) ||
!Number.isInteger(step)
) {
throw new Error('range parameters must be integers');
}
const rangeArray: Array<number> = [];
// Start must be less than end
if (start > end) {
throw new Error('starting value must be less than end value');
}
// Step must be greater than 0
if (step <= 0) {
throw new Error('step must be greater than 0');
}
// Generate an array from start to end
for (let i = start; i <= end; i += step) {
if (remove) {
if (!remove.includes(i)) {
rangeArray.push(i);
}
} else {
rangeArray.push(i);
}
}
return rangeArray;
}
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