@truestamp/client/examples/deno/index.ts

## Description

// Copyright © 2020-2023 Truestamp Inc. All rights reserved.

// Load module from esm.sh CDN, pinned to a specific version.
// import Truestamp from 'https://esm.sh/@truestamp/client@0.16.0'

// Or, load from locally built lib in development
// @deno-types='../../dist/index.d.ts'
import { TruestampClient } from '../../dist/index.mjs'

// Load environment variables from .env file in the root of the repository.
import { dotenvLoad } from 'npm:dotenv-mono'
dotenvLoad({ depth: 6 })

const truestamp = new TruestampClient({
  apiKey: Deno.env.get('TRUESTAMP_API_KEY') || '',
  apiBaseUrl: Deno.env.get('TRUESTAMP_API_BASE_URL') || '',
})

async function sha256(data: string) {
  const encoder = new TextEncoder()
  const dataBuffer = encoder.encode(data)
  const hashBuffer = await crypto.subtle.digest('SHA-256', dataBuffer)
  const hashArray = Array.from(new Uint8Array(hashBuffer))
  const hashHex = hashArray.map((b) => b.toString(16).padStart(2, '0')).join('')
  return hashHex
}

// check for health
const getHealthResponse = await truestamp.getHealth()

console.log('getHealthResponse', JSON.stringify(getHealthResponse, null, 2))

const now = new Date()
const nowHashHex = await sha256(now.toISOString())

// create a new item
const createItemResponse = await truestamp.createItem(
  {
    itemData: [
      {
        hash: nowHashHex,
        hashType: 'sha-256',
      },
    ],
  },
  { skipCF: true, skipOE: true },
)

console.log('createItemResponse', JSON.stringify(createItemResponse, null, 2))

// update an existing item
const later = new Date()
const laterHashHex = await sha256(later.toISOString())

const updateItemResponse = await truestamp.updateItem(createItemResponse.id, {
  itemData: [
    {
      hash: laterHashHex,
      hashType: 'sha-256',
    },
  ],
})

console.log('updateItemResponse', JSON.stringify(updateItemResponse, null, 2))