index.js

import videojs from "video.js"

const Component = videojs.getComponent("Component")
const Button = videojs.getComponent("Button")

class CustomPlayButtonCover extends Component {
  createEl() {
    return super.createEl("div", {
      className: "vjs-custom-play-button-cover",
    })
  }

  dispose() {
    this.el_ && (this.el_ = null)
  }
}

class CustomPlayButton extends Button {
  constructor(player, options) {
    super(player, options)
    this.on("tap", this.tap)
  }

  createEl() {
    return super.createEl(
      "button",
      {
        className: "vjs-custom-play-button",
      },
      {
        type: "button",
      }
    )
  }

  tap() {
    this.player_.play()
  }

  dispose() {
    if (this.el_) {
      this.off("tap", this.tap)
      this.el_ = null
    }
  }
}

Component.registerComponent("CustomPlayButton", CustomPlayButton)

CustomPlayButtonCover.prototype.options_ = {
  children: ["CustomPlayButton"],
}

Component.registerComponent("CustomPlayButtonCover", CustomPlayButtonCover)