Function generatePageSizes

generatePageSizes(total: number, base?: number, limit?: number): number[]

Generates an array of page sizes based on the total number of rows. The array starts with the base size and doubles each time until it reaches the total.

Parameters

total: number
The total number of rows
base: number = 10
The base size
limit: number = 5

Returns number[]

An array of page sizes

Example

generatePageSizes(123);           // [10, 20, 40, 80, 123]
generatePageSizes(500, 10, 4);    // [10, 20, 40, 500]
generatePageSizes(1000, 10, 3);   // [10, 20, 1000]
generatePageSizes(1000, 10, 1);   // [1000]
generatePageSizes(1000, 10, 0);   // [1000]

Source

export function generatePageSizes(total: number, base: number = 10, limit: number = 5): number[] {
  const sizes: number[] = [];

  for (let n = base; n < total; n *= 2) sizes.push(n);

  return [...sizes.slice(0, limit - 1), total];
}