feat: add tailwind colors page (#215)

* feat: add tailwind colors page

* chore: don't check coverage for dev

lib/module.js

@@ -12,7 +12,8 @@ module.exports = async function (moduleOptions) {
     configPath: 'tailwind.config.js',
     cssPath: join(nuxt.options.dir.assets, 'css', 'tailwind.css'),
     exposeConfig: false,
-    config: defaultTailwindConfig(nuxt.options)
+    config: defaultTailwindConfig(nuxt.options),
+    ui: nuxt.options.dev
   })
 
   const configPath = nuxt.resolver.resolveAlias(options.configPath)
@@ -66,11 +67,33 @@ module.exports = async function (moduleOptions) {
       postcss.plugins.tailwindcss = tailwindConfig
     }
 
+    /*
+    ** Add /_tailwind UI
+    */
+    /* istanbul ignore if */
+    if (nuxt.options.dev) {
+      // add layout
+      const layout = resolve(__dirname, 'ui', 'layouts', 'tw.vue')
+      this.addLayout(layout, 'tw')
+      // add page
+      const page = resolve(__dirname, 'ui', 'pages', 'index.vue')
+
+      // register page
+      this.extendRoutes((routes) => {
+        routes.unshift({
+          name: '_tailwind',
+          path: '/_tailwind',
+          component: page
+        })
+      })
+      const url = nuxt.server.listeners ? nuxt.server.listeners[0].url : '/'
+      logger.info(`Tailwind Colors available on ${url}_tailwind`)
+    }
     /*
     ** Expose resolved tailwind config as an alias
     ** https://tailwindcss.com/docs/configuration/#referencing-in-javascript
     */
-    if (options.exposeConfig) {
+    if (nuxt.options.dev || options.exposeConfig) {
       // Resolve config
       const resolveConfig = require('tailwindcss/resolveConfig')
       const resolvedConfig = resolveConfig(tailwindConfig)

lib/ui/layouts/tw.vue

@@ -0,0 +1,3 @@
+<template>
+  <Nuxt />
+</template>

lib/ui/pages/index.vue

@@ -0,0 +1,172 @@
+<template>
+  <div class="container relative mx-auto px-2 py-6 md:px-12 max-w-4xl md:py-12">
+    <h1>Tailwind Colors</h1>
+    <div v-for="color of Object.keys(colors)" :key="color" class="mb-6">
+      <h2>{{ color }}</h2>
+      <span class="flex space-x-2">
+        <span
+          v-for="value of Object.keys(colors[color])"
+          :key="value"
+          class="color-box flex-grow py-6 md:py-8 rounded cursor-pointer"
+          :class="value === 'DEFAULT' ? `bg-${color}` : `bg-${color}-${value}`"
+          @click="select(color, value)"
+        />
+      </span>
+    </div>
+    <div
+      class="copy-box border-2 rounded-md bg_white"
+      :class="boxClasses"
+    >
+      <span
+        v-if="!selected"
+        class="select-color"
+      >Select a color</span>
+      <div v-else>
+        <pre
+          :class="selected.bgClass"
+          @click="copy(selected.bgClass)"
+        >{{ copied === selected.bgClass ? 'Copied!' : selected.bgClass }}</pre>
+        <pre
+          :class="selected.textClass"
+          @click="copy(selected.textClass)"
+        >{{
+            copied === selected.textClass ? 'Copied!' : selected.textClass
+        }}</pre>
+      </div>
+    </div>
+  </div>
+</template>
+
+<script>
+import { theme } from '~tailwind.config'
+
+export default {
+  layout: 'tw',
+  data () {
+    // Remove unecessary colors
+    delete theme.colors.white
+    delete theme.colors.black
+    delete theme.colors.current
+    delete theme.colors.transparent
+
+    return {
+      colors: theme.colors,
+      selected: null,
+      copied: ''
+    }
+  },
+  computed: {
+    boxClasses () {
+      if (!this.selected) {
+        return 'bg-white border-2 border-stone text-stone'
+      }
+      const textColor =
+        this.selected.class.includes('dark') ||
+        ['500', '600', '700', '800', '900'].includes(this.selected.value)
+          ? 'text_white'
+          : 'text_black bg_black'
+      return `border-${this.selected.class} ${textColor}`
+    }
+  },
+  methods: {
+    select (color, value) {
+      if (
+        this.selected &&
+        this.selected.color === color &&
+        this.selected.value === value
+      ) {
+        this.selected = null
+        return
+      }
+      const twClass = value === 'DEFAULT' ? `${color}` : `${color}-${value}`
+      this.selected = {
+        color,
+        value,
+        class: twClass,
+        bgClass: `bg-${twClass}`,
+        textClass: `text-${twClass}`
+      }
+    },
+    async copy (text) {
+      if (!navigator.clipboard) { return }
+      this._timeout && clearTimeout(this._timeout)
+      await navigator.clipboard.writeText(text)
+      this.copied = text
+      this._timeout = setTimeout(() => {
+        this.copied = ''
+      }, 500)
+    }
+  }
+}
+</script>
+
+<style scoped>
+/* compatibility with Tailwind V1 or overwriting some styles */
+h1 {
+  font-size: 2.25rem;
+  line-height: 2.5rem;
+  font-weight: 600;
+  margin-bottom: 2rem;
+}
+h2 {
+  font-size: 1.5rem;
+  line-height: 2rem;
+  margin-bottom: 0.5rem;
+  text-transform: capitalize;
+  font-weight: 500;
+}
+.color-box {
+  transition-property: transform;
+  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
+  transition-duration: 150ms;
+}
+.color-box:hover {
+  transform: scale(1.1);
+}
+.copy-box {
+  position: fixed;
+  top: 1rem;
+  right: 1rem;
+  min-width: 14rem;
+  height: 6rem;
+  text-align: center;
+}
+.copy-box .select-color {
+  line-height: 6rem;
+}
+.copy-box pre {
+  cursor: pointer;
+  height: 3rem;
+  line-height: 3rem;
+  padding: 0 1rem;
+}
+@media (min-width: 1420px) {
+  .copy-box {
+    top: 50%;
+    margin-top: -4rem;
+    right: 4rem;
+    bottom: 3rem;
+    height: 8rem;
+  }
+  .copy-box .select-color {
+    line-height: 8rem;
+  }
+  .copy-box pre {
+    height: 4rem;
+    line-height: 4rem;
+  }
+}
+
+.text_white {
+  color: white;
+}
+.text_black {
+  color: black;
+}
+.bg_white {
+  background: white;
+}
+.bg_black {
+  background: #111;
+}
+</style>