feat(Timeline): new component (#4215)

Co-authored-by: Benjamin Canac <canacb1@gmail.com>
Co-authored-by: Jakub <jakub.michalek@freelo.io>

test/components/Timeline.spec.ts

@@ -0,0 +1,57 @@
+import { describe, it, expect } from 'vitest'
+import Timeline, { type TimelineProps, type TimelineSlots } from '../../src/runtime/components/Timeline.vue'
+import ComponentRender from '../component-render'
+import theme from '#build/ui/timeline'
+
+describe('Timeline', () => {
+  const sizes = Object.keys(theme.variants.size) as any
+
+  const items = [{
+    date: 'Mar 15, 2025',
+    title: 'Project Kickoff',
+    description: 'Kicked off the project with team alignment. Set up project milestones and allocated resources.',
+    icon: 'i-lucide-rocket',
+    value: 'kickoff'
+  }, {
+    date: 'Mar 22, 2025',
+    title: 'Design Phase',
+    description: 'User research and design workshops. Created wireframes and prototypes for user testing',
+    icon: 'i-lucide-palette',
+    value: 'design'
+  }, {
+    date: 'Mar 29, 2025',
+    title: 'Development Sprint',
+    description: 'Frontend and backend development. Implemented core features and integrated with APIs.',
+    icon: 'i-lucide-code',
+    value: 'development'
+  }, {
+    date: 'Apr 5, 2025',
+    title: 'Testing & Deployment',
+    description: 'QA testing and performance optimization. Deployed the application to production.',
+    icon: 'i-lucide-check-circle',
+    value: 'deployment'
+  }]
+
+  const props = { items }
+
+  it.each([
+    // Props
+    ['with items', { props }],
+    ['with modelValue', { props: { ...props, modelValue: 'assigned' } }],
+    ['with defaultValue', { props: { ...props, defaultValue: 'assigned' } }],
+    ['with neutral color', { props: { ...props, color: 'neutral' } }],
+    ...sizes.map((size: string) => [`with size ${size} horizontal`, { props: { ...props, size } }]),
+    ...sizes.map((size: string) => [`with size ${size} vertical`, { props: { ...props, size, orientation: 'vertical' } }]),
+    ['with as', { props: { ...props, as: 'section' } }],
+    ['with class', { props: { ...props, class: 'gap-8' } }],
+    ['with ui', { props: { ...props, ui: { title: 'font-bold' } } }],
+    // Slots
+    ['with indicator slot', { props, slots: { indicator: () => 'Indicator slot' } }],
+    ['with date slot', { props, slots: { date: () => 'Date slot' } }],
+    ['with title slot', { props, slots: { title: () => 'Title slot' } }],
+    ['with description slot', { props, slots: { description: () => 'Description slot' } }]
+  ])('renders %s correctly', async (nameOrHtml: string, options: { props?: TimelineProps, slots?: Partial<TimelineSlots> }) => {
+    const html = await ComponentRender(nameOrHtml, options, Timeline)
+    expect(html).toMatchSnapshot()
+  })
+})