Method getColumn

lib/doc/worksheet.js:246–265

(c)

  // get a single column by col number. If it doesn't exist, create it and any gaps before it
  getColumn(c) {
    if (typeof c === 'string') {
      // if it matches a key'd column, return that
      const col = this._keys[c];
      if (col) return col;

      // otherwise, assume letter
      c = colCache.l2n(c);
    }
    if (!this._columns) {
      this._columns = [];
    }
    if (c > this._columns.length) {
      let n = this._columns.length + 1;
      while (n <= c) {
        this._columns.push(new Column(this, n++));
      }
    }
    return this._columns[c - 1];
  }

  spliceColumns(start, count, ...inserts) {
    const rows = this._rows;