What steps should I take to integrate the YouTube API into my Vue project?

Hey everyone, I am trying to integrate the Youtube API into my project. I have added my script to the index.html file and included the following code in my component:

  methods: {
    onYouTubeIframeAPIReady() {
      window.player = new YT.Player('video-placeholder', {
        width: 600,
        height: 400,
        videoId: 'Xa0Q0J5tOP0',
        playerVars: {
            color: 'white',
            playlist: 'taJ60kskkns,FG0fTKAqZ5g'
        },
        events: {
            onReady: initialize
        } 
    });

I am encountering some errors such as YT is not defined and initialize is not defined.

42:22  error  'initialize' is not defined.

Answer №1

Welcome to the world of StackOverflow!

Dealing with the Youtube Player may present some challenges, however, it is manageable if you adhere to strict guidelines.

One common mistake is trying to append onYouTubeIframeAPIReady() anywhere other than the window object. It is crucial to initiate this function within the window as shown below:

window.onYouTubeIframeAPIReady = () => {
  console.log("onYouTubeIframeAPIReady")
};

If you cannot place this function inside a method, an alternative approach is to have that function trigger a method within your Vue Object.

var vueApp = new Vue({ 
  ...
  methods: {
    initYoutube() {}
  }
})

window.onYouTubeIframeAPIReady = () => {
  console.log("onYouTubeIframeAPIReady")
  vueApp.initYoutube()
};

By using this clever technique, you can utilize the Youtube API seamlessly:

<div id="app">
  <div id="player"></div>
</div>

var vueApp = new Vue({
  el: "#app",
  data: function () {
    return {
      player: null
    };
  },
  methods: {
    initYoutube() {
      const _ = this;
      console.log("initYoutube");
      this.player = new YT.Player("player", {
        width: 600,
        height: 400,
        videoId: "Xa0Q0J5tOP0",
        events: {
          onReady: _.onPlayerReady,
          onStateChange: _.onPlayerStateChange
        }
      });
    },
    onPlayerReady(evt) {
      console.log("Player ready");
      evt.target.playVideo();
    },
    onPlayerStateChange(evt) {
      console.log("Player state changed", evt);
    }
  }
});

onYouTubeIframeAPIReady = () => {
  console.log("onYouTubeIframeAPIReady");
  vueApp.initYoutube();
};

Check out this functional example in CodePen

(Apologies for Veutify, my VueJs CodePen template sets everything up automatically. Simply use it without the vuetify: new Vuetify(), line) :)

Answer №2

The implementation of the Youtube Iframe is slightly different compared to what you have done.

  1. Initially, make sure to include the youtube iframe api script in your project's index.html file.

  2. Within the component where you intend to use the iframe, structure the code as shown in the example below:

<template>
<div class="video-container">
  <!-- div for injecting IFrame API content goes here -->
  <div id="youtube-video"></div>
</div>
</template>
<script>
export default {
  data() {
    return {
      playerInstance: null
    }
  }
  mounted() {
    window.onYouTubeIframeAPIReady = this.initializePlayer
  },
  methods: {
    initializePlayer() {
      const videoElement = document.getElementById("youtube-video")
      this.playerInstance = new YT.Player(videoElement, {
        width: 600,
        height: 400,
        videoId: 'Xa0Q0J5tOP0',
        playerVars: {},
        events: {
            onReady: this.initFunction()
        } 
      });
    },
    initFunction() { console.log("Initialization complete") }
  }
}
</script>

I've observed that you included properties like color and playlist within the playerVars section while setting up the player. Regrettably, these variables are not valid. You can find the list of available player variable options at https://developers.google.com/youtube/player_parameters

Below is a similar use case component I created. The loading of the API is handled using promises to avoid encountering issues such as YT undefined. Feel free to check it out at https://github.com/kiranparajuli589/vue3-ytframe/blob/master/lib/VueYtframe.vue Give it a star if you find it helpful :)

Answer №3

If you are encountering the issue of 'YT' being undefined, it could be due to either not having included the YouTube script API or calling it without window.YT.

Below is the complete implementation I have developed:

<template>
  <div>
    <!-- This is the div where the IFrame API will inject the iframe content into -->
    <div id="main-video" class="main-video"></div>
    
    <button @click="play">Play</div>
  </div>
</template>

<script>
export default {
  name: 'MediaBlock',
  mounted() {
    this.mountYouTubeApi();
  },
  data() {
    return {
      player: null,
    };
  },
  methods: {
    mountYouTubeApi() {
       var firstScriptTag = document.getElementsByTagName('script')[0];

  /**
   * We do not want to include iframe_api script few times, when going back and force to page.
   * That's why we need to check if it has been already included.
   * If yes, we just need to create our player object, which will embed video on page.
   */
  if (!firstScriptTag.src.includes('youtube')) {
    /**
     * YouTube API
     *
     * Append youtube iFrame API from https://www.youtube.com/iframe_api
     * docs: https://developers.google.com/youtube/iframe_api_reference#Getting_Started
     */
    var tag = document.createElement('script');
    tag.src = 'https://www.youtube.com/iframe_api';
    firstScriptTag.parentNode.insertBefore(tag, firstScriptTag);
    window.onYouTubeIframeAPIReady = this.initPlayer;
  } else {
    this.initPlayer();
  }
    },
    initPlayer() {
      const mainVideoEl = document.getElementById('main-video');
      this.player = new window.YT.Player(mainVideoEl, {
        width: '100%',
        height: 233,
        videoId: 'KJwYBJMSbPI',
        playerVars: { rel: 0 },
        events: {
          onReady: this.onInitialize()
        }
      });
    },
    onInitialize() {
      // console.log('YouTube video Initialized');
    },
    play() {
      this.player.playVideo();
    }
  }
};
</script>

You also have a custom "Play" button included. Alternatively, you can utilize any other element to initiate playing your video.

onYouTubeIframeAPIReady is a function that executes once the YouTube API is loaded. Within initPlayer, a player is created with the specified video in videoId.

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