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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 | 2x 22x 11x 7x 7x 14x 14x | export class SecretString { private _value: string; constructor(value: string) { this._value = value; } value(): string { return this._value; } toString(): string { return this.mask(); } toJSON(): string { return this.mask(); } private mask(): string { const unmaskedLength = Math.max(this._value.length - 3, 0); return this._value.substring(0, unmaskedLength) + "**********"; } } |