CoreLayout.vue

<template lang="pug">
#app
  Header
  slot
  Footer(v-if="footer !== false")
</template>

<script>
  import Header from './partials/Header'
  import Footer from './partials/Footer'

  export default {
    props: ['footer', 'primary-bg'],
    components: {
      Header,
      Footer,
    },
    computed: {
      mainClass() {
        let classes = [];
        if(this.primaryBg) classes.push('main--bg-teritary');
        return classes
      },
    }
  }
</script>

<style lang="scss">
  #app {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
  }

  #app main {
    flex: 1;
  }
  .main--bg-teritary {
    background-color: var(--bg-teritary);
  }
</style>