CodeInput: add component

components/CodeInput/index.tsx

@@ -0,0 +1,148 @@
+import LockIcon from "@heroicons/react/20/solid/LockClosedIcon"
+import React, {
+  createRef,
+  forwardRef,
+  useEffect,
+  useRef,
+  useState,
+} from "react"
+
+type CodeInputProps = {
+  deliveryMethod?: "SMS" | "Email"
+  className?: string
+  listenForOTC: boolean
+}
+
+const focusInputByRef = (inputRef: React.RefObject<HTMLInputElement>) => {
+  const inputElement = inputRef.current
+  if (inputElement) {
+    inputElement.focus()
+    inputElement.select()
+  }
+}
+
+export const CodeInput = forwardRef<HTMLDivElement, CodeInputProps>(
+  ({ deliveryMethod, className, listenForOTC }: CodeInputProps, ref) => {
+    const [code, setCode] = useState<string[]>(Array(6).fill(""))
+
+    const otcAbortControllerRef = useRef<AbortController>()
+    const inputRefs = useRef<React.RefObject<HTMLInputElement>[]>(
+      Array(6)
+        .fill("*")
+        .map(() => createRef<HTMLInputElement>())
+    ).current
+
+    const handleDigitChange = (
+      index: number,
+      event: React.FormEvent<HTMLInputElement>
+    ) => {
+      const {
+        currentTarget: { value: string },
+      } = event
+      const charsToInsert = string.substring(0, 6 - index).split("")
+      const newValue = [...code]
+      newValue.splice(index, charsToInsert.length, ...charsToInsert)
+      setCode(newValue)
+      focusInputByRef(inputRefs[Math.min(5, index + charsToInsert.length)])
+    }
+
+    const handleKeyDown = (
+      index: number,
+      event: React.KeyboardEvent<HTMLInputElement>
+    ) => {
+      switch (event.key) {
+        case "ArrowLeft": {
+          event.preventDefault()
+          focusInputByRef(inputRefs[Math.max(0, index - 1)])
+          break
+        }
+        case "ArrowRight": {
+          event.preventDefault()
+          focusInputByRef(inputRefs[Math.min(5, index + 1)])
+          break
+        }
+        case "Backspace": {
+          event.preventDefault()
+          const newValue = [...code]
+          newValue[index] = ""
+          setCode(newValue)
+          focusInputByRef(inputRefs[Math.max(0, index - 1)])
+          break
+        }
+      }
+    }
+
+    useEffect(() => {
+      if (!listenForOTC) return
+      if (!("OTPCredential" in window)) return
+      const abortController = new AbortController()
+      navigator.credentials
+        .get({
+          otp: { transport: ["sms"] },
+          signal: abortController.signal,
+        })
+        .then((otp) => {
+          if (otp) {
+            setCode(otp.code.split(""))
+          }
+        })
+        .catch((error) => {
+          if (error?.message === "Aborted") return
+          console.error(error)
+        })
+      otcAbortControllerRef.current = abortController
+
+      return () => otcAbortControllerRef.current?.abort(new Error("Aborted"))
+    }, [listenForOTC, setCode])
+
+    return (
+      <>
+        <div
+          className={`flex h-20 bg-neutral-100 relative border-t border-b border-neutral-300 ${
+            className ?? ""
+          }`}
+          ref={ref}
+        >
+          <label
+            htmlFor="digit1"
+            className="px-5 flex items-center justify-center"
+          >
+            <LockIcon name="lock" className="w-6 h-6" />
+            <div>
+              <span className="hidden lg:block self-center pl-5 pr-12 text-sm whitespace-nowrap text-neutral-500">
+                Write your code
+              </span>
+              <span className="hidden lg:block self-center pl-5 pr-12 text-xs whitespace-nowrap text-neutral-400">
+                code delivered by{" "}
+                {`${deliveryMethod === "SMS" ? "sms" : "e-mail"}`}
+              </span>
+            </div>
+          </label>
+          <div className="grid grid-cols-6 grow text-sm text-neutral-500">
+            {Array.from({ length: 6 }).map((_, index) => (
+              <input
+                key={index}
+                type="text"
+                id={`digit${index}`}
+                placeholder="*"
+                pattern="[a-z0-9]"
+                autoCapitalize="none"
+                className="border-l border-neutral-300 text-center bg-neutral-100 focus:z-10 focus:placeholder:text-transparent"
+                onFocus={(event) => event.target.select()}
+                autoComplete="one-time-code"
+                onInput={(event) => handleDigitChange(index, event)}
+                onKeyDown={(event) => handleKeyDown(index, event)}
+                ref={inputRefs[index]}
+                value={code[index]}
+              />
+            ))}
+          </div>
+        </div>
+        <span className="block lg:hidden self-center text-center my-2 text-xs whitespace-nowrap text-neutral-400">
+          Kode sendt via {`${deliveryMethod === "SMS" ? "sms" : "e-mail"}`}
+        </span>
+      </>
+    )
+  }
+)
+CodeInput.displayName = "CodeInput"

components/CodeInput/otp.d.ts

@@ -0,0 +1,8 @@
+/* eslint-disable @typescript-eslint/no-explicit-any */
+interface CredentialRequestOptions {
+  otp?: any
+}
+
+interface Credential {
+  code?: any
+}

stories/components/CodeInput.stories.tsx

@@ -0,0 +1,15 @@
+import { type Meta, type StoryObj } from "@storybook/react"
+import CodeInput from "~/components/CodeInput"
+
+const meta = {
+  title: "Toolbox/CodeInput",
+  component: CodeInput,
+} satisfies Meta<typeof CodeInput>
+export default meta
+
+export const Default: StoryObj<typeof meta> = {
+  args: {
+    deliveryMethod: "SMS",
+    listenForOTC: false,
+  },
+}