ohpm install @trustdecision/apisign

 "dependencies": {
   "@trustdecision/apisign": "1.0.1"
  }

public static sign(path: string): TDAPISignResult;

export class TDAPISignResult {
  // Signature result
  signature: string
  // Signature status code
  code: number
  // Exception information
  message: string
 
  constructor(sign: string, code: number, msg: string) {
    this.signature = sign
    this.code = code
    this.message = msg
  }
}

import { TDAPISign } from "@trustdecision/apisign"
 
const signResult = TDAPISign.sign('de/v1')
if (signResult.code === 0) {
  // Obtain the signature and use it
  const signature: string = signResult.signature
} else {
  // Obtain error information and status code
  const message: string = signResult.message
  const code: number = signResult.code
  // Continue with business logic; the signature can be replaced with an empty string here
}

TDAPISignResult.code === 0