{ "$schema": "https://ui.shadcn.com/schema/registry-item.json", "name": "flag-targeting", "type": "registry:component", "title": "Flag Targeting", "description": "Targeting rules for a feature flag, per environment: if beta and in Europe serve the new checkout, roll out to 10% of everyone else, fall back when it's off, and see who gets what across 2,000 simulated users while you edit.", "categories": [ "component", "Filters" ], "dependencies": [ "@qnot/core", "@qnot/react", "lucide-react", "motion" ], "registryDependencies": [ "utils", "https://coss.com/ui/r/button.json", "https://coss.com/ui/r/input.json", "https://coss.com/ui/r/menu.json", "https://coss.com/ui/r/select.json", "https://coss.com/ui/r/slider.json", "https://coss.com/ui/r/switch.json", "https://coss.com/ui/r/tabs.json" ], "files": [ { "path": "registry/devl/flag-targeting.tsx", "type": "registry:component", "content": "\"use client\";\n\nimport {\n type AnyFieldDef,\n compileCases,\n type EditorSpec,\n type Fields,\n formatInput,\n formatList,\n type Issue,\n makeRule,\n parseInput,\n parseList,\n type Query,\n type QueryOf,\n validateQuery,\n} from \"@qnot/core\";\nimport { QueryProvider, useGroup, useQueryStore, useRule } from \"@qnot/react\";\nimport { ArrowDownIcon, ArrowUpIcon, EllipsisIcon, PlusIcon, Trash2Icon, XIcon } from \"lucide-react\";\nimport { AnimatePresence, motion, useReducedMotion } from \"motion/react\";\nimport { memo, type ReactNode, useMemo, useState } from \"react\";\nimport { Button } from \"@/components/ui/button\";\nimport { Input } from \"@/components/ui/input\";\nimport { Menu, MenuItem, MenuPopup, MenuSeparator, MenuTrigger } from \"@/components/ui/menu\";\nimport { Select, SelectItem, SelectPopup, SelectTrigger, SelectValue } from \"@/components/ui/select\";\nimport { Slider } from \"@/components/ui/slider\";\nimport { Switch } from \"@/components/ui/switch\";\nimport { Tabs, TabsList, TabsTab } from \"@/components/ui/tabs\";\nimport { cn } from \"@/lib/utils\";\n\nexport interface FlagVariant {\n id: string;\n name: string;\n tone: string;\n}\n\nexport interface TargetingRule {\n id: string;\n when: Query;\n serve: string;\n}\n\nexport interface EnvironmentTargeting {\n on: boolean;\n rules: TargetingRule[];\n rollout: Record;\n offVariant: string;\n}\n\nexport interface FlagEnvironment {\n id: string;\n name: string;\n}\n\nexport interface FlagTargetingProps {\n flagKey: string;\n flagName: string;\n fields: Fields;\n variants: FlagVariant[];\n environments: FlagEnvironment[];\n targeting: Record;\n population: readonly Record[];\n onChange?: (targeting: Record) => void;\n className?: string;\n}\n\nconst easeOut = [0.23, 1, 0.32, 1] as const;\nconst glide = { type: \"spring\", duration: 0.3, bounce: 0 } as const;\n\nfunction bucketOf(id: string, salt: string) {\n let h = 2166136261;\n for (const ch of `${salt}:${id}`) h = Math.imul(h ^ ch.charCodeAt(0), 16777619);\n return ((h >>> 0) % 10000) / 100;\n}\n\nfunction pickRollout(rollout: Record, bucket: number, variants: FlagVariant[]) {\n let edge = 0;\n for (const v of variants) {\n edge += rollout[v.id] ?? 0;\n if (bucket < edge) return v.id;\n }\n return variants[variants.length - 1].id;\n}\n\nlet nextId = 0;\nconst ruleId = () => `rule-${++nextId}-${Date.now().toString(36)}`;\n\nexport function FlagTargeting({\n flagKey,\n flagName,\n fields,\n variants,\n environments,\n targeting: initial,\n population,\n onChange,\n className,\n}: FlagTargetingProps) {\n const reduce = useReducedMotion();\n const [targeting, setTargeting] = useState(initial);\n const [env, setEnv] = useState(environments[0].id);\n const config = targeting[env];\n\n const update = (patch: Partial) => {\n const next = { ...targeting, [env]: { ...config, ...patch } };\n setTargeting(next);\n onChange?.(next);\n };\n\n const setRule = (id: string, patch: Partial) =>\n update({ rules: config.rules.map((r) => (r.id === id ? { ...r, ...patch } : r)) });\n\n const moveRule = (index: number, delta: -1 | 1) => {\n const rules = [...config.rules];\n const [rule] = rules.splice(index, 1);\n rules.splice(index + delta, 0, rule);\n update({ rules });\n };\n\n const addRule = () => {\n const first = Object.keys(fields)[0];\n update({\n rules: [\n ...config.rules,\n {\n id: ruleId(),\n when: { kind: \"group\", combinator: \"and\", children: [makeRule(fields, { field: first })] },\n serve: variants[variants.length - 1].id,\n },\n ],\n });\n };\n\n const outcome = useMemo(() => {\n const route = compileCases(\n fields,\n { cases: config.rules.map((r) => ({ when: r.when as QueryOf, then: r.id })), otherwise: null },\n { incompleteRules: false },\n );\n const byVariant: Record = Object.fromEntries(variants.map((v) => [v.id, 0]));\n const byRule: Record = {};\n for (const user of population) {\n if (!config.on) {\n byVariant[config.offVariant]++;\n continue;\n }\n const hit = route(user as never);\n if (hit.index >= 0) {\n const rule = config.rules[hit.index];\n byRule[rule.id] = (byRule[rule.id] ?? 0) + 1;\n byVariant[rule.serve]++;\n } else {\n byVariant[pickRollout(config.rollout, bucketOf(String(user.id), flagKey), variants)]++;\n }\n }\n const targeted = Object.values(byRule).reduce((a, b) => a + b, 0);\n return { byVariant, byRule, everyoneElse: config.on ? population.length - targeted : 0 };\n }, [config, fields, flagKey, population, variants]);\n\n const variantOf = (id: string) => variants.find((v) => v.id === id) ?? variants[0];\n const [a, b] = variants;\n const bShare = config.rollout[b.id] ?? 0;\n\n return (\n \n
\n
\n

{flagName}

\n

{flagKey}

\n
\n \n
\n\n
\n setEnv(String(v))} value={env}>\n \n {environments.map((e) => (\n \n \n {e.name}\n \n ))}\n \n \n
\n\n
\n
\n Targeting rules\n
\n \n {config.rules.map((rule, index) => (\n \n setRule(rule.id, { when })}\n onMove={(delta) => moveRule(index, delta)}\n onRemove={() => update({ rules: config.rules.filter((r) => r.id !== rule.id) })}\n onServe={(serve) => setRule(rule.id, { serve })}\n rule={rule}\n variants={variants}\n />\n \n ))}\n \n {config.rules.length === 0 && (\n

\n No rules in {environments.find((e) => e.id === env)?.name}. Everyone falls through to the rollout.\n

\n )}\n
\n \n
\n\n
\n Everyone else\n
\n
\n \n \n
\n `Share of everyone else who get ${b.name}`}\n max={100}\n min={0}\n onValueChange={(v) => {\n const share = Array.isArray(v) ? v[0] : v;\n update({ rollout: { [a.id]: 100 - share, [b.id]: share } });\n }}\n step={5}\n value={bShare}\n />\n
\n
\n\n
\n
\n

When the flag is off

\n

Everyone gets this variant.

\n
\n update({ offVariant })}\n value={config.offVariant}\n variants={variants}\n />\n
\n
\n\n \n \n );\n}\n\nfunction SectionTitle({ children, hint }: { children: string; hint?: string }) {\n return (\n
\n

{children}

\n {hint && {hint}}\n
\n );\n}\n\nfunction VariantDot({ variant }: { variant: FlagVariant }) {\n return ;\n}\n\nfunction VariantLabel({ variant, share, align }: { variant: FlagVariant; share: number; align?: \"end\" }) {\n return (\n \n \n {variant.name}\n {share}%\n \n );\n}\n\nfunction VariantSelect({\n value,\n variants,\n label,\n onChange,\n}: {\n value: string;\n variants: FlagVariant[];\n label: string;\n onChange: (id: string) => void;\n}) {\n return (\n \n );\n}\n\nfunction RuleCard({\n rule,\n index,\n fields,\n variants,\n count,\n isFirst,\n isLast,\n onChange,\n onServe,\n onMove,\n onRemove,\n}: {\n rule: TargetingRule;\n index: number;\n fields: Fields;\n variants: FlagVariant[];\n count: number | null;\n isFirst: boolean;\n isLast: boolean;\n onChange: (when: Query) => void;\n onServe: (variant: string) => void;\n onMove: (delta: -1 | 1) => void;\n onRemove: () => void;\n}) {\n const store = useQueryStore({\n fields,\n initial: rule.when as QueryOf,\n onChange: (q) => onChange(q as Query),\n });\n const issues = useMemo(() => validateQuery(fields, rule.when), [fields, rule.when]);\n const incomplete = issues.some((i) => i.code === \"required\") || (rule.when.kind === \"group\" && rule.when.children.length === 0);\n\n return (\n \n
\n
\n \n {index + 1}\n \n Serve\n \n \n \n }>\n \n \n \n onMove(-1)}>\n \n Move up\n \n onMove(1)}>\n \n Move down\n \n \n \n \n Delete rule\n \n \n \n
\n Incomplete, not serving yet\n ) : count === null ? (\n \"Flag is off\"\n ) : (\n `Serves ${count.toLocaleString()} ${count === 1 ? \"user\" : \"users\"}`\n )\n }\n />\n
\n \n );\n}\n\nfunction Conditions({ id, status }: { id: string; status: ReactNode }) {\n const { group, addRule, setCombinator } = useGroup(id);\n return (\n
\n {group.children.map((child, i) => (\n
\n {i === 0 ? (\n If\n ) : i === 1 ? (\n setCombinator(group.combinator === \"and\" ? \"or\" : \"and\")}\n type=\"button\"\n >\n {group.combinator}\n \n ) : (\n {group.combinator}\n )}\n
\n \n
\n
\n ))}\n
\n addRule()}\n type=\"button\"\n >\n \n Condition\n \n {status}\n
\n
\n );\n}\n\nconst Condition = memo(function Condition({ id }: { id: string }) {\n const { rule, def, editor, operators, fieldOptions, issues, setField, setOperator, setValue, remove } = useRule(id);\n const field = typeof rule.field === \"string\" ? rule.field : \"\";\n const label = fieldOptions.find((o) => o.value === field)?.label ?? field;\n const errors = issues.filter((i) => i.severity === \"error\" && i.code !== \"required\");\n return (\n
\n
\n \n \n \n \n
\n \n \n \n
\n {errors.length > 0 &&

{errors.map((e) => e.message).join(\" · \")}

}\n \n );\n});\n\nfunction ValueEditor({\n editor,\n def,\n value,\n issues,\n label,\n onChange,\n}: {\n editor: EditorSpec;\n def: AnyFieldDef | undefined;\n value: unknown;\n issues: readonly Issue[];\n label: string;\n onChange: (value: unknown) => void;\n}) {\n const invalidAt = (index?: number) =>\n issues.some((i) => i.severity === \"error\" && i.code !== \"required\" && (index === undefined || i.index === undefined || i.index === index));\n if (editor.arity === \"none\") return null;\n if (editor.arity === \"two\") {\n const pair = Array.isArray(value) ? value : [null, null];\n return (\n
\n onChange([v, pair[1] ?? null])} value={pair[0]} />\n and\n onChange([pair[0] ?? null, v])} value={pair[1]} />\n
\n );\n }\n if (editor.type === \"multiselect\") {\n const options = editor.options ?? [];\n const selected = Array.isArray(value) ? value.map(String) : [];\n return (\n ({ value: String(o.value), label: o.label }))}\n multiple\n onValueChange={(next) => onChange((next as string[]).map((raw) => parseInput(def, raw)))}\n value={selected}\n >\n \n \n {(vals: string[]) =>\n vals.length === 0 ? (\n Choose…\n ) : (\n vals.map((v) => options.find((o) => String(o.value) === v)?.label ?? v).join(\", \")\n )\n }\n \n \n \n {options.map((o) => (\n \n {o.label}\n \n ))}\n \n \n );\n }\n if (editor.type === \"list\") {\n return (\n parseList(def, raw)}\n placeholder=\"Comma, separated\"\n value={value}\n />\n );\n }\n return ;\n}\n\nfunction Scalar({\n editor,\n def,\n value,\n invalid,\n label,\n onChange,\n}: {\n editor: EditorSpec;\n def: AnyFieldDef | undefined;\n value: unknown;\n invalid: boolean;\n label: string;\n onChange: (value: unknown) => void;\n}) {\n if (editor.type === \"select\" || editor.type === \"boolean\") {\n const items =\n editor.type === \"boolean\"\n ? [\n { value: \"true\", label: \"Yes\" },\n { value: \"false\", label: \"No\" },\n ]\n : (editor.options ?? []).map((o) => ({ value: String(o.value), label: o.label }));\n return (\n raw !== null && onChange(parseInput(def, String(raw)))}\n value={value === null || value === undefined ? null : String(value)}\n >\n \n \n \n \n {items.map((o) => (\n \n {o.label}\n \n ))}\n \n \n );\n }\n return (\n parseInput(def, raw)}\n placeholder={editor.type === \"number\" ? \"0\" : \"Value\"}\n type={editor.type === \"date\" ? \"date\" : \"text\"}\n value={value}\n />\n );\n}\n\nfunction DraftInput({\n value,\n parse,\n format,\n invalid,\n label,\n placeholder,\n inputMode,\n type = \"text\",\n onChange,\n}: {\n value: unknown;\n parse: (raw: string) => unknown;\n format: (value: unknown) => string;\n invalid: boolean;\n label: string;\n placeholder?: string;\n inputMode?: \"decimal\";\n type?: \"text\" | \"date\";\n onChange: (value: unknown) => void;\n}) {\n const [draft, setDraft] = useState(null);\n const unreadable = draft !== null && draft.trim() !== \"\" && parse(draft) === null;\n return (\n
\n setDraft(null)}\n onChange={(e) => {\n setDraft(e.target.value);\n onChange(parse(e.target.value));\n }}\n onFocus={() => setDraft(format(value))}\n placeholder={placeholder}\n size=\"sm\"\n type={type}\n value={draft ?? format(value)}\n />\n {unreadable &&

Enter a number

}\n
\n );\n}\n\nfunction Distribution({\n split,\n population,\n variants,\n variantOf,\n}: {\n split: Record;\n population: number;\n variants: FlagVariant[];\n variantOf: (id: string) => FlagVariant;\n}) {\n const reduce = useReducedMotion();\n const percents = tenths(variants.map((v) => split[v.id] ?? 0), population);\n let offset = 0;\n return (\n
\n
\n

Who gets what

\n Simulated on {population.toLocaleString()} users\n
\n
\n {variants.map((v) => {\n const share = population ? split[v.id] / population : 0;\n const left = offset;\n offset += share;\n return (\n \n );\n })}\n
\n
    \n {variants.map((v, i) => (\n
  • \n \n {v.name}\n {percents[i]}%\n
    • \n ))}\n
\n
\n );\n}\n\nfunction tenths(counts: number[], total: number) {\n if (!total) return counts.map(() => 0);\n const raw = counts.map((c) => (c / total) * 1000);\n const floored = raw.map(Math.floor);\n let left = 1000 - floored.reduce((a, b) => a + b, 0);\n const order = raw.map((r, i) => [r - floored[i], i] as const).sort((a, b) => b[0] - a[0]);\n for (const [, i] of order) {\n if (left <= 0) break;\n floored[i]++;\n left--;\n }\n return floored.map((t) => t / 10);\n}\n" } ] }