Tips for implementing a v-html linked to a function so it runs just one time

I am encountering an issue with my Vue component that features Tabs (bootstrap-vue). Within each tab, there are radio buttons with dynamically populated labels using the v-html property. The problem occurs when I switch between tabs, as the appendPresetHtml() method is called each time and causes overlapping HTML content. I want to optimize this so that the method is only called once for each radio button, and there is no unnecessary overlap or re-population of content. Ideally, the method should only be triggered if the content is not present already. I have been trying to generate dynamic HTML within the appendPresetHtml method and append it to a specific div, but it is not functioning as expected.

<b-tabs id="presets-tab" pills class="consent-type-tab" v-model="tabIndex">
    <b-tab v-for="bannerDesign in availableBannerDesigns" :key="bannerDesign">
        <b-form-radio-group name="preset-list" v-model="selectedPreset.id">
            <template v-for="(preset, index) in templatePresets">
                <b-form-radio :value="preset.id" :key="preset.name" v-if="filteredPresets(preset, bannerDesign)" :disabled="isRecommendedPresetDisabled(preset)" @change="selectPreset(preset, index)">
                    <div v-html="appendPresetHtml(preset)" :id="'preset-box-'+ preset.id" :class="[ 'preset-'+ preset.settings.theme, isRecommendedPresetDisabled(preset) ? 'radio-opacity preset-'+ preset.settings.consentBarType : 'preset-'+ preset.settings.consentBarType,]"></div>     
                </b-form-radio>
            </template>
        </b-form-radio-group>
    </b-tab>
</b-tabs>

Answer №1

From my understanding, v-if removes elements from the DOM, causing them to be re-rendered each time they become true.
If you want a more efficient solution, consider using v-show, which simply toggles the display attribute.
For more information, check out: v-if and v-show

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