From 87a83a5604b20550430ef4eefbcd573d309694e2 Mon Sep 17 00:00:00 2001
From: Maze Winther <mazewinther@gmail.com>
Date: Sun, 22 Jun 2025 10:02:50 +0200
Subject: Initial commit

---
 apps/web/src/components/ui/phone-input.tsx | 167 +++++++++++++++++++++++++++++
 1 file changed, 167 insertions(+)
 create mode 100644 apps/web/src/components/ui/phone-input.tsx

(limited to 'apps/web/src/components/ui/phone-input.tsx')

diff --git a/apps/web/src/components/ui/phone-input.tsx b/apps/web/src/components/ui/phone-input.tsx
new file mode 100644
index 00000000..95ad9131
--- /dev/null
+++ b/apps/web/src/components/ui/phone-input.tsx
@@ -0,0 +1,167 @@
+import * as React from "react";
+import { CheckIcon, ChevronsUpDown } from "lucide-react";
+import * as RPNInput from "react-phone-number-input";
+import flags from "react-phone-number-input/flags";
+
+import { Button } from "./button";
+import {
+  Command,
+  CommandEmpty,
+  CommandGroup,
+  CommandInput,
+  CommandItem,
+  CommandList,
+} from "./command";
+import { Input } from "./input";
+import { Popover, PopoverContent, PopoverTrigger } from "./popover";
+import { ScrollArea } from "./scroll-area";
+import { cn } from "../../lib/utils";
+
+type PhoneInputProps = Omit<
+  React.ComponentProps<"input">,
+  "onChange" | "value" | "ref"
+> &
+  Omit<RPNInput.Props<typeof RPNInput.default>, "onChange"> & {
+    onChange?: (value: RPNInput.Value) => void;
+  };
+
+const PhoneInput: React.ForwardRefExoticComponent<PhoneInputProps> =
+  React.forwardRef<React.ElementRef<typeof RPNInput.default>, PhoneInputProps>(
+    ({ className, onChange, defaultCountry = "US", ...props }, ref) => {
+      return (
+        <RPNInput.default
+          ref={ref}
+          className={cn("flex", className)}
+          flagComponent={FlagComponent}
+          countrySelectComponent={CountrySelect}
+          inputComponent={InputComponent}
+          defaultCountry={defaultCountry}
+          international
+          addInternationalOption
+          smartCaret={false}
+          /**
+           * Handles the onChange event.
+           *
+           * react-phone-number-input might trigger the onChange event as undefined
+           * when a valid phone number is not entered. To prevent this,
+           * the value is coerced to an empty string.
+           *
+           * @param {E164Number | undefined} value - The entered value
+           */
+          onChange={(value) => onChange?.(value || ("" as RPNInput.Value))}
+          {...props}
+        />
+      );
+    }
+  );
+PhoneInput.displayName = "PhoneInput";
+
+const InputComponent = React.forwardRef<
+  HTMLInputElement,
+  React.ComponentProps<"input">
+>(({ className, ...props }, ref) => (
+  <Input
+    className={cn("rounded-e-lg rounded-s-none", className)}
+    {...props}
+    ref={ref}
+  />
+));
+InputComponent.displayName = "InputComponent";
+
+type CountryEntry = { label: string; value: RPNInput.Country | undefined };
+
+type CountrySelectProps = {
+  disabled?: boolean;
+  value: RPNInput.Country;
+  options: CountryEntry[];
+  onChange: (country: RPNInput.Country) => void;
+};
+
+const CountrySelect = ({
+  disabled,
+  value: selectedCountry,
+  options: countryList,
+  onChange,
+}: CountrySelectProps) => {
+  return (
+    <Popover>
+      <PopoverTrigger asChild>
+        <Button
+          type="button"
+          variant="outline"
+          className="flex gap-1 rounded-e-none rounded-s-lg border-r-0 px-3 focus:z-10"
+          disabled={disabled}
+        >
+          <FlagComponent
+            country={selectedCountry}
+            countryName={selectedCountry}
+          />
+          <ChevronsUpDown
+            className={cn(
+              "-mr-2 size-4 opacity-50",
+              disabled ? "hidden" : "opacity-100"
+            )}
+          />
+        </Button>
+      </PopoverTrigger>
+      <PopoverContent className="w-[300px] p-0">
+        <Command>
+          <CommandInput placeholder="Search country..." />
+          <CommandList>
+            <ScrollArea className="h-72">
+              <CommandEmpty>No country found.</CommandEmpty>
+              <CommandGroup>
+                {countryList.map(({ value, label }) =>
+                  value ? (
+                    <CountrySelectOption
+                      key={value}
+                      country={value}
+                      countryName={label}
+                      selectedCountry={selectedCountry}
+                      onChange={onChange}
+                    />
+                  ) : null
+                )}
+              </CommandGroup>
+            </ScrollArea>
+          </CommandList>
+        </Command>
+      </PopoverContent>
+    </Popover>
+  );
+};
+
+interface CountrySelectOptionProps extends RPNInput.FlagProps {
+  selectedCountry: RPNInput.Country;
+  onChange: (country: RPNInput.Country) => void;
+}
+
+const CountrySelectOption = ({
+  country,
+  countryName,
+  selectedCountry,
+  onChange,
+}: CountrySelectOptionProps) => {
+  return (
+    <CommandItem className="gap-2" onSelect={() => onChange(country)}>
+      <FlagComponent country={country} countryName={countryName} />
+      <span className="flex-1 text-sm">{countryName}</span>
+      <span className="text-sm text-foreground/50">{`+${RPNInput.getCountryCallingCode(country)}`}</span>
+      <CheckIcon
+        className={`ml-auto size-4 ${country === selectedCountry ? "opacity-100" : "opacity-0"}`}
+      />
+    </CommandItem>
+  );
+};
+
+const FlagComponent = ({ country, countryName }: RPNInput.FlagProps) => {
+  const Flag = flags[country];
+
+  return (
+    <span className="flex h-4 w-6 overflow-hidden rounded-sm bg-foreground/20 [&_svg]:size-full">
+      {Flag && <Flag title={countryName} />}
+    </span>
+  );
+};
+
+export { PhoneInput };
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