BlockViewer.vue

<template>
    <div class="block-section">
        <div class="block-header">
            <span class="block-title">
                <span>{{header}}</span>
                <span class="badge-new" v-if="recent">New</span>
            </span>
            <div class="block-actions">
                <a tabindex="0" :class="{'block-action-active': blockView === BlockView.PREVIEW}" @click="activateView($event, BlockView.PREVIEW)"><span>Preview</span></a>
                <a :tabindex="'0'" :class="{'block-action-active': blockView === BlockView.CODE}" @click="activateView($event, BlockView.CODE)">
                    <span>Code</span>
                </a>
                <a :tabindex="0" class="block-action-copy" @click="copyCode($event)" 
                    v-tooltip.focus.bottom="{ value: 'Copied to clipboard' }"><i class="pi pi-copy"></i></a>
            </div>
        </div>
        <div class="block-content">
            <div :class="containerClass" :style="previewStyle" v-if="blockView == BlockView.PREVIEW">
                <slot></slot>
            </div>
            <div v-if="blockView === BlockView.CODE">
<pre v-code><code>{{code}}

</code></pre>
            </div>
        </div>
    </div>
</template>

<script>
export default {
    props: {
        header: {
            type: String,
            default: null
        },
        code: null,
        recent: {
            type: Boolean,
            default: false
        },
        containerClass: null,
        previewStyle: null
    },
    data() {
        return {
            BlockView: {
                PREVIEW: 0,
                CODE: 1
            },
            blockView: 0,
        }
    },
    methods: {
        activateView(event, blockView) {
            this.blockView = blockView;
            event.preventDefault();
        },
        async copyCode(event) {
            await navigator.clipboard.writeText(this.code);
            event.preventDefault();
        }
    }
}
</script>

<style scoped lang="scss">
.block-section {
    margin-bottom: 4rem;
    overflow: hidden;
}

.block-header {
    padding: 1rem 2rem;
    background-color: var(--surface-section);
    border-top-left-radius: 12px;
    border-top-right-radius: 12px;
    border:1px solid var(--surface-d);
    display: flex;
    align-items: center;
    justify-content: space-between;

    .block-title {
        font-weight: 700;
        display: inline-flex;
        align-items: center;

        .badge-free {
            border-radius: 4px;
            padding: .25rem .5rem;
            background-color: var(--orange-500);
            color: white;
            margin-left: 1rem;
            font-weight: 700;
            font-size: .875rem;
        }
    }

    .block-actions {
        display: flex;
        align-items: center;
        justify-content: space-between;
        user-select: none;
        margin-left: 1rem;

        a {
            display: flex;
            align-items: center;
            margin-right: .75rem;
            padding: .5rem 1rem;
            border-radius: 4px;
            font-weight: 600;
            border: 1px solid transparent;
            transition: background-color .2s;
            cursor: pointer;

            &:last-child {
                margin-right: 0;
            }

            &:not(.block-action-disabled):hover {
                background-color: var(--surface-c);
            }

            &.block-action-active {
                border-color: var(--primary-color);
                color: var(--primary-color);
            }

            &.block-action-copy {
                i {
                    color: var(--primary-color);
                    font-size: 1.25rem;
                }
            }

            &.block-action-disabled {
                opacity: .6;
                cursor: auto !important;
            }

            i {
                margin-right: .5rem;
            }
        }
    }
}

.block-content {
    padding: 0;
    border:1px solid var(--surface-d);
    border-top: 0 none;
    border-bottom-left-radius: 12px;
    border-bottom-right-radius: 12px;
    overflow: hidden;
}

pre[class*="language-"] {
    margin: 0 !important;

    &:before, &:after {
        display: none !important;
    } 

    code {
        border-left: 0 none !important;
        box-shadow: none !important;
        background: var(--surface-e) !important;
        margin: 0;
        color: var(--text-color);
        font-size: 14px;
        padding: 0 2rem !important;
    
        .token {
            &.tag,
            &.keyword {
                color: #2196F3 !important;
            }
    
            &.attr-name,
            &.attr-string {
                color: #2196F3 !important;
            }
    
            &.attr-value {
                color: #4CAF50 !important;
            }
    
            &.punctuation {
                color: var(--text-color);
            }
    
            &.operator,
            &.string {
                background: transparent;
            }
        }
    }
}

@media screen and (max-width: 575px) {
    .block-header {
        flex-direction: column;
        align-items: start;

        .block-actions {
            margin-top: 1rem;
            margin-left: 0;
        }
    }
}
</style>