<template>
    <div class="editing" :style="styleVar">
    </div>
</template>

export default {
    props: ["editHeight"],
    computed: {
        styleVar() {
            return {
                "--edit-height"
 
: this.editHeight + "px",
            };
        }
    }
}

.editing {
    width: 100%;
    height: var(--edit-height);
}

---

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