sinProject-Inc/talk

export class ValidText {
    private readonly _text: string

    public constructor(text: string | undefined) {
        const trimmed_text = text?.trim() ?? ''

        if (!trimmed_text) throw new Error('text is empty')

        this._text = trimmed_text
    }

    public get text(): string {
        return this._text
    }

    public static validate(text: string | undefined): string {
        const instance = new ValidText(text)

        return instance.text
    }
}