All files / utils exception.ts

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export class Exception {
  static throwIfNull(value: any, valueDescription: ExceptionValueDescription) {
    if (value == null) {
      throw `${valueDescription} property cannot be set to null`;
    }
  }
 
  static throwIfNegative(value: number, valueDescription: ExceptionValueDescription) {
    if (value < 0) {
      throw `${valueDescription} property cannot be set to a negative number (${value})`;
    }
  }
 
  static throwIfNotBetween(value: number, valueDescription: ExceptionValueDescription, rangeFrom: number, rangeTo: number) {
    if(value < rangeFrom || value > rangeTo) {
      throw `Seek expects a value between ${rangeFrom} and ${rangeTo}`;
    }
  }
 
  static getDescriptionForProperty(className: string, methodName: string): ExceptionValueDescription {
    return `${className}'s ${methodName}`;
  }
}
 
export type ExceptionValueDescription = string;