Generates a list of sequential numbers with transpose option

Excel Custom Function.EXCEL.yaml

name: Excel Custom Function
description: Generates a list of sequential numbers with transpose option
host: EXCEL
api_set: {}
script:
  content: >
    /**
     * Excel Custom SEQUENCE function
     * Generates a list of sequential numbers
     * with transpose option
     *
     * @customfunction
     * @params {number} rows
     * @params {number} [columns]
     * @params {number} [start]
     * @params {number} [step]
     * @params {boolean} [transpose]
     *
     * @return {number[][]}
     */

    function CF_SEQUENCE(rows: number, columns?: number, start?: number, step?:
    number, transpose?: boolean) {
      const error = new CustomFunctions.Error(CustomFunctions.ErrorCode.invalidValue);

      if (rows < 1) {
        return error;
      }

      columns = columns || 1;
      start = start ?? 1;
      step = step || 1;

      const rng = [];

      if (transpose) {
        [rows, columns] = [columns, rows]
      }  

      for (var i = 0; i < rows; i++) {
        rng[i] = [];
        for (var j = 0; j < columns; j++) {
          rng[i][j] = start;
          start = start + step;
        }
      }

      return rng;
    }
  language: typescript
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  @types/office-js

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  @types/core-js

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