How to use the autosize.update function in autosize

setTimeout(() => {
			this.emit('init', input.value)
			autosize.update(input);
		})

public componentDidUpdate() {
    if (this.textareaDom && this.textareaDom.value.length === 0) {
      autosize.update(this.textareaDom);
    }
  }

export default function runDemo(app) {
  const {attributePicker} = app
  const {embedCodeInput, pluginDetailsForm} = app.refs
  const {locationSelect} = attributePicker.refs

  embedCodeInput.autofocus = false
  embedCodeInput.value = script
  autosize.update(embedCodeInput)
  attributePicker.parseInput()

  locationSelect.value = "body"

  const {option_1} = app.entities

  option_1.title = "Twitter username"
  attributePicker.toggleEntityTracking(option_1.element)

  const fields = {
    "[name='email']": "demo@instantwordpressplugin.com",
    "[name='app[title]']": "Nectar Ninja",
    "[name='app[description]']": "Send website notifications via Twitter!",
    "[name='app[metadata][description]']": `Let users know of new features, deals or downtimes.
Dead-simple, no signup required. Yes, it's free.`
  }

export default function runDemo(app) {
  const {embedCodeInput, locationSelect, pluginDetailsForm} = app.refs

  embedCodeInput.autofocus = false
  embedCodeInput.value = script
  autosize.update(embedCodeInput)
  app.parseInput()

  locationSelect.value = "body"

  const {option_7, option_8, option_9} = app.entities

  option_7.title = "Latitude"
  option_8.title = "Longitude"
  option_9.title = "Description"

  app.toggleEntityTracking(option_7.element)
  app.toggleEntityTracking(option_8.element)
  app.toggleEntityTracking(option_9.element)

  const fields = {
    "[name='app[title]']": "Forecast.io",

setTimeout(() => {
        autosize.update($('.auto-size'))
      }, 0)

updater() {
					autosize.update(el);
				},
			});

componentDidUpdate(prevProps,prevState) { //eslint-disable-line no-unused-vars
    if (prevState.shareUrl !== this.state.shareUrl) {
      this.selectAllFromNode(this.linkInput);
    } else if (prevState.embed.code !== this.state.embed.code) {
      this.selectAllFromNode(this.embedCodeInput);
    }

    autosize.update(this.embedCodeInput);
  }

this.$nextTick(function() {
        const textarea = document.querySelector(`#js-comment-${this.comment.id}`)
        autosize.update(textarea)
        $(`.comment-id-${this.comment.id}`).trigger('input');
      })
    },

_changed() {
    autosize.update(this.textarea);
    if (this.props.onChange) {
      this.props.onChange();
    }
  }

resize() {
		autosize.update( this.refs.textarea );
	}