Function generateInvocations

aws-node-fullstack/frontend/src/DemoApp.js:170–214

* Generate Invocations

(event)

   */

  generateInvocations(event) {

    event.preventDefault()

    const self = this

    let invocations = this.refInputInvocations.current.value || this.state.admin.invocations
    invocations = parseInt(invocations) || 0

    if (invocations > 999) {
      //eslint-disable-next-line
      const r = confirm(`\nThis will generate ${invocations} API requests.  Are you sure you want to do this?\n`)
      if (!r) return
    }

    // Call API Function
    const callApi = () => {
      return fetch(this.state.admin.url, {
        method: 'POST',
        mode: 'cors',
        headers: {
            'Content-Type': 'application/json',
        },
        body: JSON.stringify({
          name: 'Sample Invocation',
          email: 'sample@invocations.com'
        }),
      })
    }

    // Runner Function
    const runner = async (cb) => {
      let array = []
      for (let i = 0; i <= invocations; i++) { array.push(i) }
      for (const item of array) {
        await callApi()
        self.setStatus(`Performing API request ${item}/${invocations}...`)
      }
      if (cb) return cb()
    }

    runner(() => {
      self.setStatus(`Successfully completed ${invocations} requests!`)
    })
  }

  /**
   * Generate Random Error