chore(examples): update typescript example

examples/rollup-typescript/src/App.svelte

@@ -1,15 +1,96 @@
 <script lang="ts">
-  import { Button, TooltipDefinition } from "carbon-components-svelte";
+  import {
+    Content,
+    Breadcrumb,
+    BreadcrumbItem,
+    Grid,
+    Row,
+    Column,
+    Tabs,
+    TabContent,
+    Tab,
+    Select,
+    SelectItem,
+  } from "carbon-components-svelte";
+  import Header from "./components/Header.svelte";
+  import Theme from "./components/Theme.svelte";
+
+  let theme: "g10" = "g10";
 </script>
 
-<Button
-  kind="primary"
-  on:click="{() => {
-    console.log('click');
-  }}">
-  Primary button
-</Button>
+<style lang="scss" global>
+  @import "carbon-components-svelte/css/all";
+</style>
 
-<TooltipDefinition tooltipText="Tooltip text">
-  Tooltip content
-</TooltipDefinition>
+<Theme persist bind:theme>
+  <Header />
+  <Content style="background: none; padding: 1rem">
+    <Grid>
+      <Row>
+        <Column lg="{16}">
+          <Breadcrumb noTrailingSlash aria-label="Page navigation">
+            <BreadcrumbItem href="/">Getting started</BreadcrumbItem>
+          </Breadcrumb>
+          <h1 style="margin-bottom: 1.5rem">Design &amp; build with Carbon</h1>
+        </Column>
+      </Row>
+
+      <Row>
+        <Column noGutter>
+          <Tabs aria-label="Tab navigation">
+            <Tab label="About" />
+            <Tab label="Design" />
+            <Tab label="Develop" />
+            <div slot="content" class="tabbed-content">
+              <Grid as fullWidth let:props>
+                <TabContent {...props}>
+                  <Row>
+                    <Column md="{4}" lg="{7}">
+                      <Select
+                        labelText="Carbon theme"
+                        bind:selected="{theme}"
+                        style="margin-bottom: 1rem">
+                        <SelectItem value="white" text="White" />
+                        <SelectItem value="g10" text="Gray 10" />
+                        <SelectItem value="g90" text="Gray 90" />
+                        <SelectItem value="g100" text="Gray 100" />
+                      </Select>
+                      <p>
+                        Carbon is IBM’s open-source design system for digital
+                        products and experiences. With the IBM Design Language
+                        as its foundation, the system consists of working code,
+                        design tools and resources, human interface guidelines,
+                        and a vibrant community of contributors.
+                      </p>
+                    </Column>
+                  </Row>
+                </TabContent>
+                <TabContent {...props}>
+                  <Row>
+                    <Column md="{4}" lg="{7}">
+                      <p>
+                        Rapidly build beautiful and accessible experiences. The
+                        Carbon kit contains all resources you need to get
+                        started.
+                      </p>
+                    </Column>
+                  </Row>
+                </TabContent>
+                <TabContent {...props}>
+                  <Row>
+                    <Column md="{4}" lg="{7}">
+                      <p>
+                        Carbon provides styles and components in Vanilla, React,
+                        Angular, Vue and Svelte for anyone building on the web.
+                      </p>
+                    </Column>
+                  </Row>
+                </TabContent>
+              </Grid>
+            </div>
+          </Tabs>
+        </Column>
+      </Row>
+    </Grid>
+  </Content>
+</Theme>

examples/rollup-typescript/src/components/Header.svelte

@@ -0,0 +1,35 @@
+<script lang="ts">
+  import {
+    SkipToContent,
+    Header,
+    HeaderUtilities,
+    HeaderGlobalAction,
+  } from "carbon-components-svelte";
+  import Notification20 from "carbon-icons-svelte/lib/Notification20";
+  import UserAvatar20 from "carbon-icons-svelte/lib/UserAvatar20";
+  import AppSwitcher20 from "carbon-icons-svelte/lib/AppSwitcher20";
+  import { getContext } from "svelte";
+
+  const ctx: { dark: any; light: any; updateVar: any } = getContext("Theme");
+
+  $: if (ctx) {
+    ctx.dark.subscribe((value) => {
+      console.log("dark mode?", value);
+    });
+    ctx.light.subscribe((value) => {
+      console.log("light mode?", value);
+    });
+    ctx.updateVar("--cds-productive-heading-06-font-size", "4rem");
+  }
+</script>
+
+<Header company="IBM" platformName="Carbon Components Svelte" href="/">
+  <div slot="skip-to-content">
+    <SkipToContent />
+  </div>
+  <HeaderUtilities>
+    <HeaderGlobalAction aria-label="Notifications" icon="{Notification20}" />
+    <HeaderGlobalAction aria-label="User Avatar" icon="{UserAvatar20}" />
+    <HeaderGlobalAction aria-label="App Switcher" icon="{AppSwitcher20}" />
+  </HeaderUtilities>
+</Header>

examples/rollup-typescript/src/components/Theme.svelte

@@ -0,0 +1,57 @@
+<script lang="ts">
+  type Theme = "white" | "g10" | "g90" | "g100";
+
+  export let persist: boolean = false;
+  export let persistKey: string = "theme";
+  export let theme: Theme = "white";
+  export const themes: Theme[] = ["white", "g10", "g90", "g100"];
+
+  import { onMount, afterUpdate, setContext } from "svelte";
+  import { writable, derived } from "svelte/store";
+
+  const isValidTheme = (value) => themes.includes(value);
+  const isDark = (value) =>
+    isValidTheme(value) && (value === "g90" || value === "g100");
+
+  const dark = writable(isDark(theme));
+  const light = derived(dark, (_) => !_);
+
+  setContext("Theme", {
+    updateVar: (name: string, value: string) => {
+      document.documentElement.style.setProperty(name, value);
+    },
+    dark,
+    light,
+  });
+
+  onMount(() => {
+    try {
+      const persisted_theme = localStorage.getItem(persistKey);
+
+      if (isValidTheme(persisted_theme)) {
+        theme = persisted_theme as Theme;
+      }
+    } catch (error) {
+      console.error(error);
+    }
+  });
+
+  afterUpdate(() => {
+    if (isValidTheme(theme)) {
+      document.documentElement.setAttribute("theme", theme);
+      if (persist) {
+        localStorage.setItem(persistKey, theme);
+      }
+    } else {
+      console.warn(
+        `"${theme}" is not a valid Carbon theme. Choose from available themes: ${JSON.stringify(
+          themes
+        )}`
+      );
+    }
+  });
+
+  $: dark.set(isDark(theme));
+</script>
+
+<slot />