Timeline

import { StatelessComponent } from "@praxisjs/core";import { Component } from "@praxisjs/decorators";import type { Children } from "@praxisjs/shared";import { cn } from "@/lib/utils";export interface TimelineProps {  class?: string;  id?: string;  children?: Children;}@Component()export class Timeline extends StatelessComponent<TimelineProps> {  render() {    const { class: cls, id, children } = this.props;    return (      <ol id={id} data-slot="timeline" class={cn("flex flex-col", cls)}>        {children}      </ol>    );  }}export type TimelineItemStatus = "complete" | "current" | "upcoming";export interface TimelineItemProps {  status?: TimelineItemStatus;  /** Pulses a ring around the dot when `status` is `"current"`. */  animated?: boolean;  /** Animates the connecting line as a dashed pattern flowing toward the next step. */  animateLine?: boolean;  class?: string;  children?: Children;}/** * The line is `absolute`, sized off the `<li>` itself (not a `flex-1` sibling of the dot) so it * reaches through the `pb-8` gap into the next item instead of stopping at the row's own height. * `animateLine` animates `background-position` (not `transform`) so the repeating dash pattern * loops seamlessly regardless of the line's actual height. The `@keyframes` name is fixed rather * than per-instance — duplicate `<style>` tags across items are harmless. */@Component()export class TimelineItem extends StatelessComponent<TimelineItemProps> {  render() {    const { status = "complete", animated = false, animateLine = false, class: cls, children } = this.props;    const showPing = animated && status === "current";    return (      <li data-slot="timeline-item" data-status={status} class={cn("group relative flex gap-4 pb-8 last:pb-0", cls)}>        {animateLine && (          <style>{"@keyframes kosmesis-timeline-line-flow { from { background-position: 0 0; } to { background-position: 0 12px; } }"}</style>        )}        <span          aria-hidden          class="absolute top-[calc(0.25rem+5px)] bottom-0 left-[5px] w-px -translate-x-1/2 bg-border group-last:hidden"          style={            animateLine              ? {                  backgroundImage: "linear-gradient(var(--color-primary) 50%, transparent 50%)",                  backgroundSize: "1px 12px",                  backgroundRepeat: "repeat-y",                  animation: "kosmesis-timeline-line-flow 600ms linear infinite",                }              : undefined          }        />        <div class="flex flex-col items-center">          {/* `absolute inset-0` blockifies the nested span; `relative` alone wouldn't, so `size-2.5` would collapse. */}          <span class="relative mt-1 size-2.5 shrink-0">            {showPing && <span aria-hidden class="absolute inset-0 animate-ping rounded-full bg-primary/50" />}            <span              class={cn(                "absolute inset-0 z-10 rounded-full bg-border",                "in-data-[status=current]:bg-primary in-data-[status=current]:ring-4 in-data-[status=current]:ring-primary/20",                "in-data-[status=complete]:bg-primary",              )}            />          </span>        </div>        <div class="flex-1 pb-2">{children}</div>      </li>    );  }}export interface TimelineSlotProps {  class?: string;  children?: Children;}@Component()export class TimelineTitle extends StatelessComponent<TimelineSlotProps> {  render() {    const { class: cls, children } = this.props;    return <p class={cn("text-sm font-medium text-foreground", cls)}>{children}</p>;  }}@Component()export class TimelineTime extends StatelessComponent<TimelineSlotProps> {  render() {    const { class: cls, children } = this.props;    return (      <time class={cn("text-xs text-muted-foreground", cls)}>{children}</time>    );  }}@Component()export class TimelineDescription extends StatelessComponent<TimelineSlotProps> {  render() {    const { class: cls, children } = this.props;    return <p class={cn("mt-1 text-sm text-muted-foreground", cls)}>{children}</p>;  }}

import { StatelessComponent } from "@praxisjs/core";import { cx, keyframes, Stylesheet, Styled, tokenVars } from "@praxisjs/css";import { Component } from "@praxisjs/decorators";import type { Children } from "@praxisjs/shared";import { KosmesisTokens } from "@/lib/kosmesis-theme";const t = tokenVars(KosmesisTokens);const ping = keyframes("kosmesis-timeline-ping", {  "75%, 100%": { transform: "scale(2)", opacity: "0" },});const lineFlow = keyframes("kosmesis-timeline-line-flow", {  from: { backgroundPosition: "0 0" },  to: { backgroundPosition: "0 12px" },});class TimelineStyles extends Stylesheet {  $root = this.css({ display: "flex", flexDirection: "column" });  $item = this.css({ position: "relative", display: "flex", gap: "1rem", paddingBottom: "2rem" }).on("&:last-child", {    paddingBottom: 0,  });  /** `position: absolute`, sized off the `<li>` (not a `flex` sibling of the dot) so it reaches through `$item`'s `paddingBottom` into the next item. */  $line = this.css({    position: "absolute",    top: "calc(0.25rem + 5px)",    bottom: 0,    left: "5px",    width: "1px",    transform: "translateX(-50%)",    backgroundColor: t.border,  }).on('[data-slot="timeline-item"]:last-child &', { display: "none" });  /** Animates `backgroundPosition` (not `transform`) so the repeating dash pattern loops seamlessly regardless of the line's height. */  $lineAnimated = this.css({    backgroundImage: `linear-gradient(${t.primary} 50%, transparent 50%)`,    backgroundSize: "1px 12px",    backgroundRepeat: "repeat-y",    animation: `${lineFlow} 600ms linear infinite`,  });  $rail = this.css({ display: "flex", flexDirection: "column", alignItems: "center" });  $dotWrap = this.css({ position: "relative", marginTop: "0.25rem", height: "0.625rem", width: "0.625rem", flexShrink: 0 });  $ping = this.css({    position: "absolute",    inset: 0,    borderRadius: "9999px",    backgroundColor: `color-mix(in oklab, ${t.primary} 50%, transparent)`,    animation: `${ping} 1s cubic-bezier(0, 0, 0.2, 1) infinite`,  });  /** `position: absolute` blockifies this nested span; `relative` alone wouldn't, and the dot would collapse to zero size. */  $dot = this.css({    position: "absolute",    inset: 0,    zIndex: 10,    borderRadius: "9999px",    backgroundColor: t.border,  })    .on('[data-status="current"] &', {      backgroundColor: t.primary,      boxShadow: `0 0 0 4px color-mix(in oklab, ${t.primary} 20%, transparent)`,    })    .on('[data-status="complete"] &', { backgroundColor: t.primary });  $content = this.css({ flex: "1 1 0%", paddingBottom: "0.5rem" });  $title = this.css({ fontSize: "0.875rem", fontWeight: 500, color: t.foreground });  $time = this.css({ fontSize: "0.75rem", color: t.mutedForeground });  $description = this.css({ marginTop: "0.25rem", fontSize: "0.875rem", color: t.mutedForeground });}export interface TimelineProps {  class?: string;  id?: string;  children?: Children;}@Component()export class Timeline extends StatelessComponent<TimelineProps> {  @Styled(TimelineStyles) $s!: TimelineStyles;  render() {    const { class: cls, id, children } = this.props;    return (      <ol id={id} data-slot="timeline" class={cx(this.$s.$root, cls)}>        {children}      </ol>    );  }}export type TimelineItemStatus = "complete" | "current" | "upcoming";export interface TimelineItemProps {  status?: TimelineItemStatus;  /** Pulses a ring around the dot when `status` is `"current"`. */  animated?: boolean;  /** Animates the connecting line as a dashed pattern flowing toward the next step. */  animateLine?: boolean;  class?: string;  children?: Children;}@Component()export class TimelineItem extends StatelessComponent<TimelineItemProps> {  @Styled(TimelineStyles) $s!: TimelineStyles;  render() {    const { status = "complete", animated = false, animateLine = false, class: cls, children } = this.props;    const showPing = animated && status === "current";    return (      <li data-slot="timeline-item" data-status={status} class={cx(this.$s.$item, cls)}>        <span class={cx(this.$s.$line, animateLine && this.$s.$lineAnimated)} />        <div class={this.$s.$rail}>          <span class={this.$s.$dotWrap}>            {showPing && <span aria-hidden class={this.$s.$ping} />}            <span class={this.$s.$dot} />          </span>        </div>        <div class={this.$s.$content}>{children}</div>      </li>    );  }}export interface TimelineSlotProps {  class?: string;  children?: Children;}@Component()export class TimelineTitle extends StatelessComponent<TimelineSlotProps> {  @Styled(TimelineStyles) $s!: TimelineStyles;  render() {    const { class: cls, children } = this.props;    return <p class={cx(this.$s.$title, cls)}>{children}</p>;  }}@Component()export class TimelineTime extends StatelessComponent<TimelineSlotProps> {  @Styled(TimelineStyles) $s!: TimelineStyles;  render() {    const { class: cls, children } = this.props;    return (      <time class={cx(this.$s.$time, cls)}>{children}</time>    );  }}@Component()export class TimelineDescription extends StatelessComponent<TimelineSlotProps> {  @Styled(TimelineStyles) $s!: TimelineStyles;  render() {    const { class: cls, children } = this.props;    return <p class={cx(this.$s.$description, cls)}>{children}</p>;  }}