feat: button component support loading state

Signed-off-by: Ryan Wang <i@ryanc.cc>

package.json

@@ -3,7 +3,7 @@
   "version": "0.0.0",
   "scripts": {
     "prepare": "husky install",
-    "dev": "vite",
+    "dev": "vite --host",
     "build": "vue-tsc --noEmit && vite build",
     "preview": "vite preview --port 5050",
     "test:unit": "vitest --environment jsdom --run",

src/components/base/button/Button.vue

@@ -5,7 +5,33 @@
     :disabled="disabled"
     @click="handleClick"
   >
-    <slot />
+    <span v-if="$slots.icon || loading" class="btn-icon self-center mr-3">
+      <svg
+        v-if="loading"
+        class="animate-spin h-5 w-5 text-white"
+        xmlns="http://www.w3.org/2000/svg"
+        fill="none"
+        viewBox="0 0 24 24"
+      >
+        <circle
+          class="opacity-25"
+          cx="12"
+          cy="12"
+          r="10"
+          stroke="currentColor"
+          stroke-width="4"
+        ></circle>
+        <path
+          class="opacity-75"
+          fill="currentColor"
+          d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"
+        ></path>
+      </svg>
+      <slot v-else name="icon" />
+    </span>
+    <span class="btn-content self-center">
+      <slot />
+    </span>
   </button>
 </template>
 <script lang="ts" setup>
@@ -48,6 +74,7 @@ const classes = computed(() => {
     `btn-${props.type}`,
     { "btn-circle": props.circle },
     { "btn-block": props.block },
+    { "btn-loading": props.loading },
   ];
 });
 
@@ -74,6 +101,8 @@ function handleClick() {
   @apply px-4;
   @apply outline-0;
   @apply border-none;
+  @apply appearance-none;
+  @apply align-middle;
 
   &:hover {
     @apply opacity-90;
@@ -106,7 +135,13 @@ function handleClick() {
 
 .btn-block {
   @apply w-full;
-  @apply block;
+}
+
+.btn-loading {
+  @apply cursor-not-allowed;
+  &:hover {
+    @apply opacity-100;
+  }
 }
 
 .btn-lg {

src/components/base/button/__tests__/__snapshots__/Button.spec.ts.snap

@@ -1,21 +1,61 @@
 // Vitest Snapshot v1
 
-exports[`Button > should render 1`] = `"<button class=\\"btn btn-md btn-default\\"></button>"`;
+exports[`Button > should render 1`] = `
+"<button class=\\"btn btn-md btn-default\\">
+  <!--v-if--><span class=\\"btn-content self-center\\"></span>
+</button>"
+`;
 
-exports[`Button > should work with block prop 1`] = `"<button class=\\"btn btn-md btn-default btn-block\\"></button>"`;
+exports[`Button > should work with block prop 1`] = `
+"<button class=\\"btn btn-md btn-default btn-block\\">
+  <!--v-if--><span class=\\"btn-content self-center\\"></span>
+</button>"
+`;
 
-exports[`Button > should work with circle prop 1`] = `"<button class=\\"btn btn-md btn-default btn-circle\\"></button>"`;
+exports[`Button > should work with circle prop 1`] = `
+"<button class=\\"btn btn-md btn-default btn-circle\\">
+  <!--v-if--><span class=\\"btn-content self-center\\"></span>
+</button>"
+`;
 
-exports[`Button > should work with disabled prop 1`] = `"<button class=\\"btn btn-md btn-default\\" disabled=\\"\\"></button>"`;
+exports[`Button > should work with disabled prop 1`] = `
+"<button class=\\"btn btn-md btn-default\\" disabled=\\"\\">
+  <!--v-if--><span class=\\"btn-content self-center\\"></span>
+</button>"
+`;
 
-exports[`Button > should work with size prop 1`] = `"<button class=\\"btn btn-lg btn-default\\"></button>"`;
+exports[`Button > should work with size prop 1`] = `
+"<button class=\\"btn btn-lg btn-default\\">
+  <!--v-if--><span class=\\"btn-content self-center\\"></span>
+</button>"
+`;
 
-exports[`Button > should work with size prop 2`] = `"<button class=\\"btn btn-sm btn-default\\"></button>"`;
+exports[`Button > should work with size prop 2`] = `
+"<button class=\\"btn btn-sm btn-default\\">
+  <!--v-if--><span class=\\"btn-content self-center\\"></span>
+</button>"
+`;
 
-exports[`Button > should work with size prop 3`] = `"<button class=\\"btn btn-xs btn-default\\"></button>"`;
+exports[`Button > should work with size prop 3`] = `
+"<button class=\\"btn btn-xs btn-default\\">
+  <!--v-if--><span class=\\"btn-content self-center\\"></span>
+</button>"
+`;
 
-exports[`Button > should work with type prop 1`] = `"<button class=\\"btn btn-md btn-primary\\"></button>"`;
+exports[`Button > should work with type prop 1`] = `
+"<button class=\\"btn btn-md btn-primary\\">
+  <!--v-if--><span class=\\"btn-content self-center\\"></span>
+</button>"
+`;
 
-exports[`Button > should work with type prop 2`] = `"<button class=\\"btn btn-md btn-secondary\\"></button>"`;
+exports[`Button > should work with type prop 2`] = `
+"<button class=\\"btn btn-md btn-secondary\\">
+  <!--v-if--><span class=\\"btn-content self-center\\"></span>
+</button>"
+`;
 
-exports[`Button > should work with type prop 3`] = `"<button class=\\"btn btn-md btn-danger\\"></button>"`;
+exports[`Button > should work with type prop 3`] = `
+"<button class=\\"btn btn-md btn-danger\\">
+  <!--v-if--><span class=\\"btn-content self-center\\"></span>
+</button>"
+`;

src/layouts/FilledLayout.vue

@@ -1,7 +1,7 @@
 <template>
   <div class="flex h-full">
     <aside class="navbar h-full" style="background: #fff">
-      <div class="logo flex justify-center py-6">
+      <div class="logo flex justify-center py-6 animate-pulse">
         <img :src="logo" style="width: 80px" alt="Halo Logo" />
       </div>
       <VRoutesMenu :menus="menus" />

src/views/ViewComponents.vue

@@ -12,7 +12,7 @@
         </div>
         <h2 class="mb-1">Size:</h2>
         <div class="mb-3">
-          <VButton class="mr-2" size="lg" type="secondary"> Large</VButton>
+          <VButton class="mr-2" size="lg" type="secondary">Large</VButton>
           <VButton class="mr-2" type="secondary"> Default</VButton>
           <VButton class="mr-2" size="sm" type="secondary"> sm</VButton>
           <VButton size="xs" type="secondary"> xs</VButton>
@@ -36,6 +36,46 @@
           <VButton class="mr-2" disabled type="secondary"> Secondary</VButton>
           <VButton disabled type="danger"> Danger</VButton>
         </div>
+        <h2 class="mb-1">Loading:</h2>
+        <div class="mb-3">
+          <VButton class="mr-2" type="primary" :loading="buttonLoading">
+            Primary
+          </VButton>
+          <VButton class="mr-2" type="secondary" :loading="buttonLoading">
+            Secondary
+          </VButton>
+          <VButton class="mr-2" type="danger" :loading="buttonLoading">
+            Danger
+          </VButton>
+          <VButton type="default" :loading="buttonLoading"> Default </VButton>
+        </div>
+        <h2 class="mb-1">Icon:</h2>
+        <div class="mb-3">
+          <VButton class="mr-2" size="lg" type="secondary">
+            <template #icon>
+              <IconSettings />
+            </template>
+            Large
+          </VButton>
+          <VButton class="mr-2" type="secondary">
+            <template #icon>
+              <IconSettings />
+            </template>
+            Default
+          </VButton>
+          <VButton class="mr-2" size="sm" type="secondary">
+            <template #icon>
+              <IconSettings />
+            </template>
+            sm
+          </VButton>
+          <VButton size="xs" type="secondary">
+            <template #icon>
+              <IconSettings />
+            </template>
+            xs
+          </VButton>
+        </div>
       </section>
       <section class="box border-2 rounded p-2 mb-3">
         <h1 class="text-xl font-bold mb-2">Input</h1>
@@ -158,6 +198,7 @@
 </template>
 
 <script lang="ts" setup>
+import { IconSettings } from "@/core/icons";
 import { FilledLayout } from "../layouts";
 import { VButton } from "@/components/base/button";
 import { VInput } from "@/components/base/input";
@@ -167,6 +208,7 @@ import { VRadio, VRadioGroup } from "@/components/base/radio";
 import { VCheckbox, VCheckboxGroup } from "@/components/base/checkbox";
 import { ref } from "vue";
 
+const buttonLoading = ref(true);
 const inputValue = ref();
 const selectValue = ref();
 const radioValue = ref("apple");