From e272b1602c5ee82ebc5d9edc9e7ebc1a3bf73efd Mon Sep 17 00:00:00 2001
From: Erik Tiekstra <erik.tiekstra@weahead.se>
Date: Wed, 3 Jul 2024 11:25:24 +0200
Subject: [PATCH] feat: added accordion component

---
 .../AccordionItem/accordionItem.module.css    | 54 +++++++++++++++++++
 .../Accordion/AccordionItem/accordionItem.ts  |  9 ++++
 .../Accordion/AccordionItem/index.tsx         | 53 ++++++++++++++++++
 .../Accordion/AccordionItem/variants.ts       | 15 ++++++
 .../Accordion/accordion.module.css            | 11 ++++
 .../TempDesignSystem/Accordion/accordion.ts   |  7 +++
 .../TempDesignSystem/Accordion/index.tsx      | 22 ++++++++
 .../TempDesignSystem/Accordion/variants.ts    | 15 ++++++
 8 files changed, 186 insertions(+)
 create mode 100644 components/TempDesignSystem/Accordion/AccordionItem/accordionItem.module.css
 create mode 100644 components/TempDesignSystem/Accordion/AccordionItem/accordionItem.ts
 create mode 100644 components/TempDesignSystem/Accordion/AccordionItem/index.tsx
 create mode 100644 components/TempDesignSystem/Accordion/AccordionItem/variants.ts
 create mode 100644 components/TempDesignSystem/Accordion/accordion.module.css
 create mode 100644 components/TempDesignSystem/Accordion/accordion.ts
 create mode 100644 components/TempDesignSystem/Accordion/index.tsx
 create mode 100644 components/TempDesignSystem/Accordion/variants.ts

diff --git a/components/TempDesignSystem/Accordion/AccordionItem/accordionItem.module.css b/components/TempDesignSystem/Accordion/AccordionItem/accordionItem.module.css
new file mode 100644
index 000000000..08183a5fb
--- /dev/null
+++ b/components/TempDesignSystem/Accordion/AccordionItem/accordionItem.module.css
@@ -0,0 +1,54 @@
+.accordionItem {
+  border-bottom: 1px solid var(--Base-Border-Subtle);
+}
+
+.card {
+  padding: var(--Spacing-x1);
+}
+
+.card .summary {
+  padding: var(--Spacing-x1) var(--Spacing-x-one-and-half);
+  border-radius: var(--Corner-radius-Medium);
+}
+
+.faq .summary {
+  padding: var(--Spacing-x2) 0;
+}
+
+.faq .content {
+  padding: 0;
+}
+
+.summary {
+  position: relative;
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  gap: var(--Spacing-x2);
+  cursor: pointer;
+  color: var(--Base-Text-High-contrast);
+  font-family: var(--typography-Body-Bold-fontFamily);
+  font-size: var(--typography-Body-Bold-fontSize);
+  font-weight: var(--typography-Body-Bold-fontWeight);
+  transition: background-color 0.3s;
+}
+
+.summary:hover,
+.summary:focus {
+  background-color: var(--Base-Surface-Primary-light-Hover);
+}
+
+.content {
+  padding: 0 var(--Spacing-x-one-and-half);
+  overflow: hidden;
+  max-height: 0;
+  transition: max-height 0.3s;
+}
+
+.chevron {
+  transition: transform 0.3s;
+}
+
+details[open] .chevron {
+  transform: rotate(180deg);
+}
diff --git a/components/TempDesignSystem/Accordion/AccordionItem/accordionItem.ts b/components/TempDesignSystem/Accordion/AccordionItem/accordionItem.ts
new file mode 100644
index 000000000..10f7a9a76
--- /dev/null
+++ b/components/TempDesignSystem/Accordion/AccordionItem/accordionItem.ts
@@ -0,0 +1,9 @@
+import { VariantProps } from "class-variance-authority"
+
+import { accordionItemVariants } from "./variants"
+
+export interface AccordionItemProps
+  extends React.HtmlHTMLAttributes<HTMLDetailsElement>,
+    VariantProps<typeof accordionItemVariants> {
+  title: string
+}
diff --git a/components/TempDesignSystem/Accordion/AccordionItem/index.tsx b/components/TempDesignSystem/Accordion/AccordionItem/index.tsx
new file mode 100644
index 000000000..16a1b276b
--- /dev/null
+++ b/components/TempDesignSystem/Accordion/AccordionItem/index.tsx
@@ -0,0 +1,53 @@
+"use client"
+
+import { useRef } from "react"
+
+import { ChevronDownIcon } from "@/components/Icons"
+
+import { AccordionItemProps } from "./accordionItem"
+import { accordionItemVariants } from "./variants"
+
+import styles from "./accordionItem.module.css"
+
+export default function AccordionItem({
+  children,
+  title,
+  variant,
+}: AccordionItemProps) {
+  const contentRef = useRef<HTMLDivElement>(null)
+  const detailsRef = useRef<HTMLDetailsElement>(null)
+
+  function toggleAccordion() {
+    const details = detailsRef.current
+    const content = contentRef.current
+    if (details && content) {
+      if (details.open) {
+        content.style.maxHeight = `${content.scrollHeight}px`
+        content.addEventListener(
+          "transitionend",
+          () => {
+            // Remove maxHeight after transition to allow content to transition multiple times
+            content.style.maxHeight = "none"
+          },
+          { once: true }
+        )
+      } else {
+        content.style.maxHeight = "0"
+      }
+    }
+  }
+
+  return (
+    <li className={accordionItemVariants({ variant })}>
+      <details ref={detailsRef} onToggle={toggleAccordion}>
+        <summary className={styles.summary}>
+          <span>{title}</span>
+          <ChevronDownIcon className={styles.chevron} color="burgundy" />
+        </summary>
+        <div ref={contentRef} className={styles.content}>
+          {children}
+        </div>
+      </details>
+    </li>
+  )
+}
diff --git a/components/TempDesignSystem/Accordion/AccordionItem/variants.ts b/components/TempDesignSystem/Accordion/AccordionItem/variants.ts
new file mode 100644
index 000000000..819797a2b
--- /dev/null
+++ b/components/TempDesignSystem/Accordion/AccordionItem/variants.ts
@@ -0,0 +1,15 @@
+import { cva } from "class-variance-authority"
+
+import styles from "./accordionItem.module.css"
+
+export const accordionItemVariants = cva(styles.accordionItem, {
+  variants: {
+    variant: {
+      card: styles.card,
+      faq: styles.faq,
+    },
+  },
+  defaultVariants: {
+    variant: "card",
+  },
+})
diff --git a/components/TempDesignSystem/Accordion/accordion.module.css b/components/TempDesignSystem/Accordion/accordion.module.css
new file mode 100644
index 000000000..42d1be85f
--- /dev/null
+++ b/components/TempDesignSystem/Accordion/accordion.module.css
@@ -0,0 +1,11 @@
+.accordion {
+  list-style: none;
+}
+
+.card {
+  border-radius: var(--Corner-radius-Medium);
+  background-color: var(--Base-Surface-Primary-light-Normal);
+}
+.faq {
+  background-color: var(--Base-Background-Primary-Normal);
+}
diff --git a/components/TempDesignSystem/Accordion/accordion.ts b/components/TempDesignSystem/Accordion/accordion.ts
new file mode 100644
index 000000000..fa0ade85c
--- /dev/null
+++ b/components/TempDesignSystem/Accordion/accordion.ts
@@ -0,0 +1,7 @@
+import { VariantProps } from "class-variance-authority"
+
+import { accordionVariants } from "./variants"
+
+export interface AccordionProps
+  extends React.HtmlHTMLAttributes<HTMLUListElement>,
+    VariantProps<typeof accordionVariants> {}
diff --git a/components/TempDesignSystem/Accordion/index.tsx b/components/TempDesignSystem/Accordion/index.tsx
new file mode 100644
index 000000000..79d4c83bf
--- /dev/null
+++ b/components/TempDesignSystem/Accordion/index.tsx
@@ -0,0 +1,22 @@
+import { Children, cloneElement, isValidElement } from "react"
+
+import { AccordionItemProps } from "./AccordionItem/accordionItem"
+import { AccordionProps } from "./accordion"
+import { accordionVariants } from "./variants"
+
+export default function Accordion({
+  children,
+  className,
+  variant,
+}: AccordionProps) {
+  return (
+    <ul className={accordionVariants({ className, variant })}>
+      {Children.map(children, (child) => {
+        if (isValidElement<AccordionItemProps>(child)) {
+          return cloneElement(child, { variant })
+        }
+      })}
+      {/* {children} */}
+    </ul>
+  )
+}
diff --git a/components/TempDesignSystem/Accordion/variants.ts b/components/TempDesignSystem/Accordion/variants.ts
new file mode 100644
index 000000000..354c03fba
--- /dev/null
+++ b/components/TempDesignSystem/Accordion/variants.ts
@@ -0,0 +1,15 @@
+import { cva } from "class-variance-authority"
+
+import styles from "./accordion.module.css"
+
+export const accordionVariants = cva(styles.accordion, {
+  variants: {
+    variant: {
+      card: styles.card,
+      faq: styles.faq,
+    },
+  },
+  defaultVariants: {
+    variant: "card",
+  },
+})