cheetah-grid/src/js/columns/type/NumberColumn.ts

Cheetah Grid is a high performance grid engine that works on canvas

import { Column } from "./Column";
import type { NumberColumnOption } from "../../ts-types";
import { NumberStyle } from "../style/NumberStyle";
let defaultFormat: Intl.NumberFormat;
export class NumberColumn<T> extends Column<T> {
  private _format?: Intl.NumberFormat;
  static get defaultFormat(): Intl.NumberFormat {
    return defaultFormat || (defaultFormat = new Intl.NumberFormat());
  }
  static set defaultFormat(fmt: Intl.NumberFormat) {
    defaultFormat = fmt;
  }
  /**
   * @deprecated Use defaultFormat instead
   */
  static get defaultFotmat(): Intl.NumberFormat {
    return this.defaultFormat;
  }
  /**
   * @deprecated Use defaultFormat instead
   */
  static set defaultFotmat(fmt: Intl.NumberFormat) {
    this.defaultFormat = fmt;
  }
  constructor(option: NumberColumnOption = {}) {
    super(option);
    this._format = option.format;
  }
  get StyleClass(): typeof NumberStyle {
    return NumberStyle;
  }
  clone(): NumberColumn<T> {
    return new NumberColumn(this);
  }
  get format(): Intl.NumberFormat | undefined {
    return this._format;
  }
  withFormat(format: Intl.NumberFormat): NumberColumn<T> {
    const c = this.clone();
    c._format = format;
    return c;
  }
  convertInternal(value: unknown): string {
    const num = Number(value);
    if (isNaN(num)) {
      const convertedValue = super.convertInternal(value);
      return convertedValue != null ? String(convertedValue) : "";
    }
    const format = this._format || NumberColumn.defaultFormat;
    return format.format(num);
  }
}