Merge pull request 'feature/storybook-coverage' (#18) from feature/storybook-coverage into main

Reviewed-on: #18

.storybook/StoryStage.svelte

@@ -0,0 +1,16 @@
+<script lang="ts">
+interface Props {
+    children: import('svelte').Snippet;
+    width?: string; // Optional width override
+}
+
+let { children, width = 'max-w-3xl' }: Props = $props();
+</script>
+
+<div class="flex min-h-screen w-full items-center justify-center bg-slate-50 p-8">
+    <div class="w-full bg-white shadow-xl ring-1 ring-slate-200 rounded-xl p-12 {width}">
+        <div class="relative flex justify-center items-center">
+            {@render children()}
+        </div>
+    </div>
+</div>

.storybook/main.ts

@@ -1,4 +1,16 @@
 import type { StorybookConfig } from '@storybook/svelte-vite';
+import {
+    dirname,
+    resolve,
+} from 'path';
+import { fileURLToPath } from 'url';
+import {
+    loadConfigFromFile,
+    mergeConfig,
+} from 'vite';
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = dirname(__filename);
 
 const config: StorybookConfig = {
     'stories': [
@@ -18,5 +30,17 @@ const config: StorybookConfig = {
         '@storybook/addon-docs',
     ],
     'framework': '@storybook/svelte-vite',
+    async viteFinal(config) {
+        // This attempts to find your actual vite.config.ts
+        const { config: userConfig } = await loadConfigFromFile(
+            { command: 'serve', mode: 'development' },
+            resolve(__dirname, '../vite.config.ts'),
+        ) || {};
+
+        return mergeConfig(config, {
+            // Merge only the resolve/alias parts if you want to be safe
+            resolve: userConfig?.resolve || {},
+        });
+    },
 };
 export default config;

.storybook/preview.ts

@@ -1,9 +1,10 @@
 import type { Preview } from '@storybook/svelte-vite';
-
+import StoryStage from './StoryStage.svelte';
 import '../src/app/styles/app.css';
 
 const preview: Preview = {
     parameters: {
+        layout: 'fullscreen',
         controls: {
             matchers: {
                 color: /(background|color)$/i,
@@ -17,7 +18,31 @@ const preview: Preview = {
             // 'off' - skip a11y checks entirely
             test: 'todo',
         },
+
+        docs: {
+            story: {
+                // This sets the default height for the iframe in Autodocs
+                iframeHeight: '400px',
+                // Ensure the story isn't forced into a tiny inline box
+                // inline: true,
             },
+        },
+    },
+    decorators: [
+        (storyFn, { parameters }) => {
+            const { Component, props } = storyFn();
+            return {
+                Component: StoryStage,
+                // We pass the actual story component into the Stage via a snippet/slot
+                // Svelte 5 Storybook handles this mapping internally when you return this structure
+                props: {
+                    children: Component,
+                    width: parameters.stageWidth || 'max-w-3xl',
+                    ...props,
+                },
+            };
+        },
+    ],
 };
 
 export default preview;

src/shared/ui/CheckboxFilter/CheckboxFilter.stories.svelte

@@ -0,0 +1,73 @@
+<script module>
+import { createFilter } from '$shared/lib';
+import { defineMeta } from '@storybook/addon-svelte-csf';
+import CheckboxFilter from './CheckboxFilter.svelte';
+
+const { Story } = defineMeta({
+    title: 'Shared/CheckboxFilter',
+    tags: ['autodocs'],
+    parameters: {
+        docs: {
+            description: {
+                component:
+                    'A collapsible property filter with checkboxes. Displays selected count as a badge and supports reduced motion for accessibility. Open by default for immediate visibility and interaction.',
+            },
+            story: { inline: false }, // Render stories in iframe for state isolation
+        },
+    },
+    argTypes: {
+        displayedLabel: {
+            control: 'text',
+            description: 'Label for this filter group (e.g., "Properties", "Tags")',
+        },
+        filter: {
+            control: 'object',
+            description: 'Filter entity managing properties and selection state',
+        },
+    },
+});
+</script>
+
+<script lang="ts">
+const defaultFilter = createFilter({
+    properties: [{
+        id: 'cats',
+        name: 'Cats',
+        value: 'cats',
+    }, {
+        id: 'dogs',
+        name: 'Dogs',
+        value: 'dogs',
+    }, {
+        id: 'birds',
+        name: 'Birds',
+        value: 'birds',
+    }],
+});
+const selectedFilter = createFilter({
+    properties: [{
+        id: 'rice',
+        name: 'Rice',
+        value: 'rice',
+        selected: true,
+    }, {
+        id: 'beans',
+        name: 'Beans',
+        value: 'beans',
+        selected: true,
+    }, {
+        id: 'potatoes',
+        name: 'Potatoes',
+        value: 'potatoes',
+        selected: true,
+    }],
+});
+</script>
+
+<Story name="Default">
+    <CheckboxFilter filter={defaultFilter} displayedLabel="Zoo" />
+</Story>
+
+<Story name="Selected">
+    <CheckboxFilter filter={selectedFilter} displayedLabel="Shopping list" />
+</Story>

src/shared/ui/ComboControl/ComboControl.stories.svelte

@@ -0,0 +1,99 @@
+<script module>
+import { createTypographyControl } from '$shared/lib';
+import { defineMeta } from '@storybook/addon-svelte-csf';
+import ComboControl from './ComboControl.svelte';
+
+const { Story } = defineMeta({
+    title: 'Shared/ComboControl',
+    component: ComboControl,
+    tags: ['autodocs'],
+    parameters: {
+        docs: {
+            description: {
+                component:
+                    'Provides multiple ways to change a numeric value via decrease/increase buttons, slider, and direct input. All three methods are synchronized, giving users flexibility based on precision needs.',
+            },
+            story: { inline: false }, // Render stories in iframe for state isolation
+        },
+    },
+    argTypes: {
+        control: {
+            control: 'object',
+            description: 'TypographyControl instance managing the value and bounds',
+        },
+        decreaseLabel: {
+            control: 'text',
+            description: 'Accessibility label for the decrease button',
+        },
+        increaseLabel: {
+            control: 'text',
+            description: 'Accessibility label for the increase button',
+        },
+        controlLabel: {
+            control: 'text',
+            description: 'Accessibility label for the control button (opens popover)',
+        },
+    },
+});
+</script>
+
+<script lang="ts">
+const defaultControl = createTypographyControl({ value: 77, min: 0, max: 100, step: 1 });
+const atMinimumControl = createTypographyControl({ value: 0, min: 0, max: 100, step: 1 });
+const atMaximumControl = createTypographyControl({ value: 100, min: 0, max: 100, step: 1 });
+const withFloatControl = createTypographyControl({ value: 77.5, min: 0, max: 100, step: 0.1 });
+const customLabelsControl = createTypographyControl({ value: 50, min: 0, max: 100, step: 1 });
+</script>
+
+<Story
+    name="Default"
+    args={{
+        control: defaultControl,
+    }}
+>
+    <ComboControl control={defaultControl} />
+</Story>
+
+<Story
+    name="At Minimum"
+    args={{
+        control: atMinimumControl,
+    }}
+>
+    <ComboControl control={atMinimumControl} />
+</Story>
+
+<Story
+    name="At Maximum"
+    args={{
+        control: atMaximumControl,
+    }}
+>
+    <ComboControl control={atMaximumControl} />
+</Story>
+
+<Story
+    name="With Float"
+    args={{
+        control: withFloatControl,
+    }}
+>
+    <ComboControl control={withFloatControl} />
+</Story>
+
+<Story
+    name="Custom Labels"
+    args={{
+        control: customLabelsControl,
+        decreaseLabel: 'Decrease font size',
+        increaseLabel: 'Increase font size',
+        controlLabel: 'Open font size controls',
+    }}
+>
+    <ComboControl
+        control={customLabelsControl}
+        decreaseLabel="Decrease font size"
+        increaseLabel="Increase font size"
+        controlLabel="Open font size controls"
+    />
+</Story>

src/shared/ui/ContentEditable/ContentEditable.stories.svelte

@@ -0,0 +1,107 @@
+<script module>
+import { defineMeta } from '@storybook/addon-svelte-csf';
+import ContentEditable from './ContentEditable.svelte';
+
+const { Story } = defineMeta({
+    title: 'Shared/ContentEditable',
+    component: ContentEditable,
+    tags: ['autodocs'],
+    parameters: {
+        docs: {
+            description: {
+                component:
+                    'A contenteditable div with custom font and text properties. Allows inline text editing with support for font size, line height, and letter spacing. The text is two-way bindable for form use cases.',
+            },
+            story: { inline: false }, // Render stories in iframe for state isolation
+        },
+    },
+    argTypes: {
+        text: {
+            control: 'text',
+            description: 'Visible text content (two-way bindable)',
+        },
+        fontSize: {
+            control: { type: 'number', min: 8, max: 200 },
+            description: 'Font size in pixels',
+        },
+        lineHeight: {
+            control: { type: 'number', min: 0.8, max: 3, step: 0.1 },
+            description: 'Line height multiplier',
+        },
+        letterSpacing: {
+            control: { type: 'number', min: -0.5, max: 1, step: 0.05 },
+            description: 'Letter spacing in em units',
+        },
+    },
+});
+</script>
+
+<script lang="ts">
+let value = $state('Here we can type and edit the content. Try it!');
+let smallValue = $state('Small font size for compact text.');
+let largeValue = $state('Large font size for emphasis.');
+let spacedValue = $state('Wide letter spacing.');
+let longValue = $state(
+    'Lorem ipsum dolor sit amet, consectetur adipiscing elit. Sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris.',
+);
+</script>
+
+<Story
+    name="Default"
+    args={{
+        text: value,
+        fontSize: 48,
+        lineHeight: 1.2,
+        letterSpacing: 0,
+    }}
+>
+    <ContentEditable bind:text={value} />
+</Story>
+
+<Story
+    name="Small Font"
+    args={{
+        text: smallValue,
+        fontSize: 16,
+        lineHeight: 1.5,
+        letterSpacing: 0,
+    }}
+>
+    <ContentEditable bind:text={smallValue} />
+</Story>
+
+<Story
+    name="Large Font"
+    args={{
+        text: largeValue,
+        fontSize: 72,
+        lineHeight: 1.1,
+        letterSpacing: 0,
+    }}
+>
+    <ContentEditable bind:text={largeValue} />
+</Story>
+
+<Story
+    name="Wide Letter Spacing"
+    args={{
+        text: spacedValue,
+        fontSize: 32,
+        lineHeight: 1.3,
+        letterSpacing: 0.3,
+    }}
+>
+    <ContentEditable bind:text={spacedValue} />
+</Story>
+
+<Story
+    name="Long Text"
+    args={{
+        text: longValue,
+        fontSize: 24,
+        lineHeight: 1.6,
+        letterSpacing: 0,
+    }}
+>
+    <ContentEditable bind:text={longValue} />
+</Story>

src/shared/ui/SearchBar/SearchBar.stories.svelte

@@ -0,0 +1,82 @@
+<script module>
+import { defineMeta } from '@storybook/addon-svelte-csf';
+import SearchBar from './SearchBar.svelte';
+
+const { Story } = defineMeta({
+    title: 'Shared/SearchBar',
+    component: SearchBar,
+    tags: ['autodocs'],
+    parameters: {
+        docs: {
+            description: {
+                component:
+                    'Search input with popover dropdown for results/suggestions. Features keyboard navigation (ArrowDown/Up/Enter) and auto-focus prevention on popover open. The input field serves as the popover trigger.',
+            },
+            story: { inline: false }, // Render stories in iframe for state isolation
+        },
+    },
+    argTypes: {
+        value: {
+            control: 'text',
+            description: 'Current search value (two-way bindable)',
+        },
+        placeholder: {
+            control: 'text',
+            description: 'Placeholder text for the input',
+        },
+        label: {
+            control: 'text',
+            description: 'Optional label displayed above the input',
+        },
+    },
+});
+</script>
+
+<script lang="ts">
+let defaultSearchValue = $state('');
+let withLabelValue = $state('');
+let noChildrenValue = $state('');
+</script>
+
+<Story
+    name="Default"
+    args={{
+        value: defaultSearchValue,
+        placeholder: 'Type here...',
+    }}
+>
+    <SearchBar bind:value={defaultSearchValue} placeholder="Type here...">
+        Here will be the search result
+        <br />
+        Popover closes only when the user clicks outside the search bar or presses the Escape key.
+    </SearchBar>
+</Story>
+
+<Story
+    name="With Label"
+    args={{
+        value: withLabelValue,
+        placeholder: 'Search products...',
+        label: 'Search',
+    }}
+>
+    <SearchBar bind:value={withLabelValue} placeholder="Search products..." label="Search">
+        <div class="p-4">
+            <p class="text-sm text-muted-foreground">No results found</p>
+        </div>
+    </SearchBar>
+</Story>
+
+<Story
+    name="Minimal Content"
+    args={{
+        value: noChildrenValue,
+        placeholder: 'Quick search...',
+    }}
+>
+    <SearchBar bind:value={noChildrenValue} placeholder="Quick search...">
+        <div class="p-4 text-center text-sm text-muted-foreground">
+            Start typing to see results
+        </div>
+    </SearchBar>
+</Story>

src/shared/ui/SearchBar/SearchBar.svelte

@@ -18,7 +18,7 @@ import type { Snippet } from 'svelte';
 
 interface Props {
     /** Unique identifier for the input element */
-    id: string;
+    id?: string;
     /** Current search value (bindable) */
     value: string;
     /** Additional CSS classes for the container */

src/shared/ui/VirtualList/VirtualList.stories.svelte

@@ -0,0 +1,70 @@
+<script module>
+import { defineMeta } from '@storybook/addon-svelte-csf';
+import VirtualList from './VirtualList.svelte';
+
+const { Story } = defineMeta({
+    title: 'Shared/VirtualList',
+    tags: ['autodocs'],
+    parameters: {
+        docs: {
+            description: {
+                component:
+                    'High-performance virtualized list for large datasets. Only renders visible items plus an overscan buffer for optimal performance. Supports keyboard navigation (ArrowUp/Down, Home, End) and fixed or dynamic item heights.',
+            },
+            story: { inline: false }, // Render stories in iframe for state isolation
+        },
+    },
+    argTypes: {
+        items: {
+            description: 'Array of items to render',
+        },
+        itemHeight: {
+            control: 'number',
+            description: 'Height of each item in pixels',
+        },
+        overscan: {
+            control: 'number',
+            description: 'Number of extra items to render above and below the visible area',
+        },
+        class: {
+            description: 'CSS class to apply to the root element',
+        },
+        onVisibleItemsChange: {
+            description: 'Callback invoked when the visible items change',
+        },
+    },
+});
+</script>
+
+<script lang="ts">
+const smallDataSet = Array.from({ length: 20 }, (_, i) => `${i + 1}) I will not waste chalk.`);
+const largeDataSet = Array.from(
+    { length: 10000 },
+    (_, i) => `${i + 1}) I will not skateboard in the halls.`,
+);
+const emptyDataSet: string[] = [];
+</script>
+
+<Story name="Small Dataset">
+    <VirtualList items={smallDataSet} itemHeight={40}>
+        {#snippet children({ item })}
+            <div class="p-2 m-0.5 rounded-sm hover:bg-accent">{item}</div>
+        {/snippet}
+    </VirtualList>
+</Story>
+
+<Story name="Large Dataset">
+    <VirtualList items={largeDataSet} itemHeight={40}>
+        {#snippet children({ item })}
+            <div class="p-2 m-0.5 rounded-sm hover:bg-accent">{item}</div>
+        {/snippet}
+    </VirtualList>
+</Story>
+
+<Story name="Empty Dataset">
+    <VirtualList items={emptyDataSet} itemHeight={40}>
+        {#snippet children({ item })}
+            <div class="p-2 m-0.5 rounded-sm hover:bg-accent">{item}</div>
+        {/snippet}
+    </VirtualList>
+</Story>