1import { AlphaUtils } from "../../utils/AlphaUtils";
 2import { Compare } from "../../utils/Compare";
 3import { A1Key } from "./A1Key";
 4import { Hashable } from "../../common/standard/Hashable";
 5
 6/**
 7 * Represents a single location in a 2D grid - usually {@link Grid}.
 8 */
 9export class ColumnRowKey implements Hashable {
10  readonly column: number;
11  readonly row: number;
12
13  constructor(column: number, row: number) {
14    this.column = column;
15    this.row = row;
16  }
17
18  get hashKey(): string {
19    return JSON.stringify([this.column, this.row]);
20  }
21
22  static fromA1(a1: string) {
23    const key = A1Key.fromString(a1);
24    return new ColumnRowKey(key.getColumnIndex(), key.row);
25  }
26
27  toA1(): string {
28    return `${AlphaUtils.oneIndexedNumberToLetter(this.column + 1)}${this.row + 1}`;
29  }
30
31  compareTo(other: ColumnRowKey): number {
32    if (this.row === other.row && this.column === other.column) {
33      return 0;
34    }
35    if (this.column === other.column) {
36      return Compare.numberComparison(this.row, other.row);
37    }
38    return Compare.numberComparison(this.column, other.column);
39  }
40
41  equals(other: unknown): boolean {
42    return other instanceof ColumnRowKey && this.hashKey === other.hashKey;
43  }
44}