VueTube/NUXT/store/channel/index.js

const getDefaultState = () => {
  return {
    loading: null,
    error: null,
    avatar: null,
    banner: null,
    title: null,
    subscribe: null,
    subscribeAlt: null,
    descriptionPreview: null,
    subscribers: null,
    videos: null,
  };
};
export const state = getDefaultState();
export const actions = {
  fetchChannel({ state }, channelUrl) {
    Object.assign(state, getDefaultState());
    state.loading = true;
    this.$youtube
      .getChannel(
        `https://youtube.com/channel/${channelUrl.substring(
          channelUrl.lastIndexOf("/") + 1
        )}`
      )
      .then((channel) => {
        state.loading = false;
        state.banner =
          channel.header.channelMobileHeaderRenderer.channelHeader.elementRenderer.newElement.type.componentType.model.channelHeaderModel.channelBanner?.image.sources[0].url;
        state.avatar =
          channel.header.channelMobileHeaderRenderer.channelHeader.elementRenderer.newElement.type.componentType.model.channelHeaderModel.channelProfile.avatarData.avatar?.image.sources[0].url;
        state.title =
          channel.header.channelMobileHeaderRenderer.channelHeader.elementRenderer.newElement.type.componentType.model.channelHeaderModel.channelProfile.title;
        state.subscribe =
          channel.header.channelMobileHeaderRenderer.channelHeader.elementRenderer.newElement.type.componentType.model.channelHeaderModel.channelProfile.subscribeButton.subscribeButtonContent.buttonText;
        state.subscribeAlt =
          channel.header.channelMobileHeaderRenderer.channelHeader.elementRenderer.newElement.type.componentType.model.channelHeaderModel.channelProfile.subscribeButton.subscribeButtonContent.accessibilityText;
        state.descriptionPreview =
          channel.header.channelMobileHeaderRenderer.channelHeader.elementRenderer.newElement.type.componentType.model.channelHeaderModel.channelProfile.descriptionPreview.description;
        state.subscribers =
          channel.header.channelMobileHeaderRenderer.channelHeader.elementRenderer.newElement.type.componentType.model.channelHeaderModel.channelProfile.metadata.subscriberCountText;
        state.videos =
          channel.header.channelMobileHeaderRenderer.channelHeader.elementRenderer.newElement.type.componentType.model.channelHeaderModel.channelProfile.metadata.videosCountText;
      })
      .catch((err) => {
        state.loading = false;
        state.error = err;
        console.error(err);
      });
  },
};