FeatureAttachmentPreview.vue

<template>
  <div :class="['attachment-preview', { is_pdf }]">  
    <embed
      v-if="is_pdf"
      :src="src"
      type="application/pdf"
      width="100%"
      height="100%"
    >
    <img
      v-else
      :src="src"
    >
  </div>
</template>

<script>


export default {
  name: 'FeatureAttachmentPreview',

  computed: {
    is_pdf() {
      return this.src && this.src.includes('pdf');
    }
      
  },

  data() {
    return {
      // src: "http://localhost:8000/media/user_1/attachements/sample-1.pdf"
      src: "http://localhost:8010/media/user_1/attachements/Miscanthus-sinensis-Little-Miss-84976-1.webp"
    }
  },

  mounted() {
    //this.initPage();
  },

  methods: {
  }
};
</script>

<style lang="less">
.attachment-preview {
  width: 100vw;
  padding: 0;
  &.is_pdf {
    @media screen and (min-width: 726px) {
      height: calc(100vh - 70px - 1em);
      margin: .5em auto;
      box-shadow: 1px 2px 10px grey;
    }
    @media screen and (max-width: 725px) {
      height: calc(100vh - 110px);
      margin: 0 auto;
    }
  }
  div {
    height: 100%;
    width: 100%;
  }
  img {
    height: 100%;
  }
}
</style>