@stacksjs/qrx/dist/EAN13.d.ts

QR & Bar Code generating & reading. Lightweight & powerful.

declare function checksum(number: string): void;
export declare class EAN13 extends EAN {
  lastChar: string

  constructor(data: string, options: any) {
    if (data.search(/^\d{12}$/) !== -1) {
      data += checksum(data)
    }

    super(data, options)

    this.lastChar = options.lastChar
  }

  valid(): boolean {
    return (
      this.data.search(/^\d{13}$/) !== -1
      && +this.data[12] === checksum(this.data)
    )
  }

  leftText(): string {
    return super.leftText(1, 6)
  }

  leftEncode(): string {
    const data = this.data.substr(1, 6)
    const structure = EAN13_STRUCTURE[Number(this.data[0])]
    return super.leftEncode(data, structure)
  }

  rightText(): string {
    return super.rightText(7, 6)
  }

  rightEncode(): string {
    const data = this.data.substr(7, 6)
    return super.rightEncode(data, 'RRRRRR')
  }

  encodeGuarded(): any {
    const data = super.encodeGuarded()

    if (this.options.displayValue) {
      data.unshift({
        data: '000000000000',
        text: this.text.substr(0, 1),
        options: { textAlign: 'left', fontSize: this.fontSize },
      })

      if (this.options.lastChar) {
        data.push({
          data: '00',
        })
        data.push({
          data: '00000',
          text: this.options.lastChar,
          options: { fontSize: this.fontSize },
        })
      }
    }

    return data
  }
}