if() Conditional Value

1"use client"
2 
3import { useEffect, useRef, useState } from "react"
4import { Button } from "@/components/ui/button"
5import { Input } from "@/components/ui/input"
6import {
7  Popover,
8  PopoverContent,
9  PopoverTrigger,
10} from "@/components/ui/popover"
11import { cn } from "@/lib/utils"
12import {
13  branchCount,
14  defaultBranch,
15  formatIf,
16  parseIf,
17} from "./if-function.helpers"
18import type {
19  ConditionKind,
20  IfBranch,
21  IfFunctionString,
22} from "./if-function.types"
23 
24// ---------------------------------------------------------------------------
25// Shared constants
26// ---------------------------------------------------------------------------
27 
28const ALL_KINDS: readonly ConditionKind[] = [
29  "media",
30  "supports",
31  "style",
32  "else",
33]
34 
35const CONDITION_PLACEHOLDER: Record<ConditionKind, string> = {
36  media: "width >= 600px",
37  supports: "display: grid",
38  style: "--x: 1",
39  else: "",
40}
41 
42// ---------------------------------------------------------------------------
43// Props
44// ---------------------------------------------------------------------------
45 
46export interface IfFunctionPanelProps {
47  value: IfFunctionString | (string & {})
48  onChange: (value: IfFunctionString) => void
49  className?: string
50  "aria-label"?: string
51}
52 
53export type IfFunctionProps = IfFunctionPanelProps
54 
55// ---------------------------------------------------------------------------
56// IfFunction — popover-wrapped
57// ---------------------------------------------------------------------------
58 
59export function IfFunction(props: IfFunctionProps) {
60  const {
61    value,
62    className,
63    "aria-label": ariaLabel = "Edit a CSS if() conditional value",
64  } = props
65  const count = branchCount(String(value))
66 
67  return (
68    <Popover>
69      <PopoverTrigger asChild>
70        <Button
71          variant="outline"
72          className={cn("h-9 gap-2 px-3 font-mono", className)}
73          aria-label={ariaLabel}
74        >
75          <span className="text-[10px] text-muted-foreground uppercase">
76            if
77          </span>
78          <span className="text-[10px] text-muted-foreground">
79            {count} {count === 1 ? "branch" : "branches"}
80          </span>
81          <span className="max-w-[200px] truncate text-xs">{value}</span>
82        </Button>
83      </PopoverTrigger>
84      <PopoverContent className="w-auto p-0" align="start">
85        <IfFunctionPanel {...props} />
86      </PopoverContent>
87    </Popover>
88  )
89}
90 
91// ---------------------------------------------------------------------------
92// … truncated