CED-1851 Create esSkeleton, SkeletonWrapper, SkeletonImg

es-ds-components/components/es-skeleton-img.vue

@@ -0,0 +1,35 @@
+<script setup lang="ts">
+const props = defineProps({
+    aspect: {
+        type: String,
+        default: '16:9',
+    },
+    noAspect: {
+        type: Boolean,
+        default: false,
+    },
+});
+
+const aspects = props.aspect.split(':');
+const aspectRatio = computed(() => `${(parseFloat(aspects[1]) / parseFloat(aspects[0])) * 100}%`);
+</script>
+
+<template>
+    <es-skeleton
+        v-if="noAspect"
+        v-bind="$attrs" />
+    <div
+        v-else
+        class="d-flex">
+        <div
+            class="flex-grow-1"
+            :style="{ 'padding-bottom': aspectRatio, height: '0px' }" />
+        <div
+            class="flex-grow-1 w-100 mw-100"
+            style="margin-left: -100%">
+            <es-skeleton
+                v-bind="$attrs"
+                class="h-100 w-100" />
+        </div>
+    </div>
+</template>

es-ds-components/components/es-skeleton-wrapper.vue

@@ -0,0 +1,17 @@
+<script setup lang="ts">
+defineProps({
+    loading: {
+        type: Boolean,
+        default: false,
+    },
+});
+</script>
+
+<template>
+    <div>
+        <slot
+            v-if="loading"
+            name="loading" />
+        <slot v-else />
+    </div>
+</template>

es-ds-components/components/es-skeleton.vue

@@ -0,0 +1,97 @@
+<script setup lang="ts">
+import Skeleton from 'primevue/skeleton';
+
+defineProps({
+    animation: {
+        type: String,
+        default: 'wave',
+        validator: (val: string) => ['wave', 'fade', 'none'].includes(val as string),
+    },
+    height: {
+        type: String,
+        default: '1rem',
+    },
+    width: {
+        type: String,
+        default: 'auto',
+    },
+    size: {
+        type: String,
+        default: null,
+    },
+});
+</script>
+
+<template>
+    <skeleton
+        :height="size ? size : height"
+        :width="size ? size : width"
+        class="es-skeleton rounded-xs mb-25 bg-gray-200"
+        :class="{
+            'es-skeleton-wave': animation == 'wave',
+            'es-skeleton-fade': animation == 'fade',
+        }" />
+</template>
+
+<style lang="scss" scoped>
+@use '@energysage/es-ds-styles/scss/variables' as variables;
+
+@keyframes skeleton-animate-wave {
+    0% {
+        transform: translateX(-100%);
+    }
+    100% {
+        transform: translateX(100%);
+    }
+}
+
+@keyframes skeleton-animate-fade {
+    0% {
+        opacity: 1;
+    }
+    100% {
+        opacity: 0.4;
+    }
+}
+
+.es-skeleton {
+    overflow: hidden;
+
+    &-wave:after {
+        content: '';
+        height: 100%;
+        position: absolute;
+        left: 0;
+        right: 0;
+        top: 0;
+        z-index: 1;
+        // wave animation from PrimeVue Skeleton
+        background-image: linear-gradient(
+            90deg,
+            rgba(variables.$white, 0),
+            rgba(variables.$white, 0.4),
+            rgba(variables.$white, 0)
+        );
+        animation-name: skeleton-animate-wave;
+        animation-duration: 1.2s;
+        animation-timing-function: ease;
+        animation-delay: 0s;
+        animation-iteration-count: infinite;
+        animation-direction: normal;
+        animation-fill-mode: none;
+        animation-play-state: running;
+    }
+
+    &-fade {
+        // fade animation from Bootstrap Skeleton
+        animation-name: skeleton-animate-fade;
+        animation-duration: 0.875s;
+        animation-timing-function: ease-in-out;
+        animation-delay: 0s;
+        animation-iteration-count: infinite;
+        animation-direction: alternate;
+        animation-fill-mode: none;
+        animation-play-state: running;
+    }
+}
+</style>

es-ds-components/nuxt.config.ts

@@ -66,6 +66,7 @@ export default defineNuxtConfig({
                 'primevue/progressbar',
                 'primevue/radiobutton',
                 'primevue/rating',
+                'primevue/skeleton',
                 'primevue/slider',
                 'primevue/tabpanel',
                 'primevue/tabview',

es-ds-docs/components/ds-molecules-list.vue

@@ -57,6 +57,9 @@
         <li>
             <ds-link to="/molecules/rating"> Rating </ds-link>
         </li>
+        <li>
+            <ds-link to="/molecules/skeleton"> Skeleton </ds-link>
+        </li>
         <li>
             <ds-link to="/molecules/slider"> Slider </ds-link>
         </li>

es-ds-docs/pages/molecules/skeleton.vue

@@ -0,0 +1,167 @@
+<script setup lang="ts">
+const loading = ref(true);
+
+const asyncTimeout = async (seconds = 3) => {
+    const millisecondTimeout = seconds * 1000;
+    return new Promise((resolve) => {
+        setTimeout(resolve, millisecondTimeout);
+    });
+};
+
+const startLoading = async () => {
+    loading.value = true;
+    await asyncTimeout();
+    loading.value = false;
+};
+
+const esSkeletonProps = [
+    ['animation', 'String', 'wave', `Options are 'wave', 'fade', or 'none'`],
+    ['height', 'String', '1rem', `Manually set height`],
+    ['width', 'String', 'auto', `Manually set width`],
+    ['size', 'String', 'null', `Manually set width and height, overriding 'height' and 'width' props`],
+];
+
+const esSkeletonImgProps = [
+    ['aspect', 'String', '16:9', `Adds a container around the skeleton image with given aspect ratio`],
+    ['noAspect', 'Boolean', 'false', `Override the default aspect ratio and height, width, or size`],
+    ...esSkeletonProps,
+];
+
+const esSkeletonWrapperProps = [
+    ['loading', 'Boolean', 'false', `Determines whether to show loading template or default content`],
+];
+
+const { $prism } = useNuxtApp();
+const compCode = ref('');
+const docCode = ref('');
+onMounted(async () => {
+    if ($prism) {
+        const compSource = await import('@energysage/es-ds-components/components/es-skeleton.vue?raw');
+        // eslint-disable-next-line import/no-self-import
+        const docSource = await import('./skeleton.vue?raw');
+        compCode.value = $prism.normalizeCode(compSource.default);
+        docCode.value = $prism.normalizeCode(docSource.default);
+        $prism.highlight();
+    }
+
+    startLoading();
+});
+</script>
+
+<template>
+    <div>
+        <h1>Skeleton</h1>
+        <p>
+            Extended from
+            <nuxt-link
+                href="https://v3.primevue.org/skeleton/"
+                target="_blank">
+                PrimeVue Skeleton
+            </nuxt-link>
+            and
+            <nuxt-link
+                href="https://bootstrap-vue.org/docs/components/skeleton/"
+                target="_blank">
+                Bootstrap Skeleton
+            </nuxt-link>
+            styles
+        </p>
+
+        <h2>Basic examples</h2>
+        <p>Wave animation:</p>
+        <es-row class="mb-200">
+            <es-col lg="6">
+                <es-skeleton />
+                <es-skeleton width="75%" />
+                <es-skeleton height="3rem" />
+            </es-col>
+            <es-col
+                lg="6"
+                class="d-flex">
+                <es-skeleton size="5rem" />
+                <es-skeleton
+                    size="4rem"
+                    class="rounded-circle ml-100" />
+            </es-col>
+        </es-row>
+
+        <p>Fade animation:</p>
+        <es-row class="mb-500">
+            <es-col lg="6">
+                <es-skeleton
+                    animation="fade"
+                    height="33px"
+                    width="100%" />
+                <es-skeleton
+                    animation="fade"
+                    height="25px"
+                    width="100%" />
+            </es-col>
+        </es-row>
+
+        <h2>Helper components</h2>
+
+        <h3>Skeleton image</h3>
+        <es-row class="mb-500 d-flex">
+            <es-col lg="6">
+                <es-skeleton-img />
+            </es-col>
+            <es-col lg="6">
+                <es-skeleton-img aspect="3:1" />
+            </es-col>
+            <es-col
+                cols="12"
+                class="mt-100">
+                <es-skeleton-img
+                    no-aspect
+                    height="5rem" />
+            </es-col>
+        </es-row>
+
+        <h3>Skeleton wrapper</h3>
+        <es-row class="mb-500 d-flex">
+            <es-col
+                cols="12"
+                lg="3"
+                class="mb-100 mb-lg-0">
+                <es-button @click="startLoading()">Reload content</es-button>
+            </es-col>
+            <es-col
+                lg="7"
+                class="ml-lg-100">
+                <es-skeleton-wrapper :loading="loading">
+                    <template #loading>
+                        <es-skeleton width="85%"></es-skeleton>
+                        <es-skeleton width="55%"></es-skeleton>
+                    </template>
+
+                    <p>
+                        Lorem ipsum dolor sit amet, consectetur adipiscing elit. Maecenas viverra nunc sapien, non
+                        rhoncus elit tincidunt vitae.
+                    </p>
+                </es-skeleton-wrapper>
+            </es-col>
+        </es-row>
+
+        <div class="my-500">
+            <h2>EsSkeleton props</h2>
+            <ds-prop-table :rows="esSkeletonProps" />
+        </div>
+
+        <div class="my-500">
+            <h2>EsSkeletonImg props</h2>
+            <ds-prop-table :rows="esSkeletonImgProps" />
+        </div>
+
+        <div class="my-500">
+            <h2>EsSkeletonWrapper props</h2>
+            <ds-prop-table :rows="esSkeletonWrapperProps" />
+        </div>
+
+        <ds-doc-source
+            :comp-code="compCode"
+            comp-source="es-ds-components/components/es-skeleton.vue"
+            :doc-code="docCode"
+            doc-source="es-ds-docs/pages/molecules/skeleton.vue" />
+    </div>
+</template>