deeply prune defined undefined values in test adapter

packages/reacord/helpers/is-object.ts

@@ -0,0 +1,7 @@
+export function isObject<T>(
+  value: T,
+): value is Exclude<T, Primitive | AnyFunction> {
+  return typeof value === "object" && value !== null
+}
+type Primitive = string | number | boolean | undefined | null
+type AnyFunction = (...args: any[]) => any

packages/reacord/helpers/prune-null-values.ts

@@ -1,15 +0,0 @@
-export function pruneNullishValues<T extends object>(
-  object: T,
-): PruneNullishValues<T> {
-  const result: any = {}
-  for (const [key, value] of Object.entries(object)) {
-    if (value != undefined) {
-      result[key] = value
-    }
-  }
-  return result
-}
-
-type PruneNullishValues<T> = {
-  [Key in keyof T]: NonNullable<T[Key]>
-}

packages/reacord/helpers/prune-nullish-values.ts

@@ -0,0 +1,27 @@
+import { isObject } from "./is-object"
+
+export function pruneNullishValues<T>(input: T): PruneNullishValues<T> {
+  if (Array.isArray(input)) {
+    return input.filter(Boolean).map((item) => pruneNullishValues(item)) as any
+  }
+
+  if (!isObject(input)) {
+    return input as any
+  }
+
+  const result: any = {}
+  for (const [key, value] of Object.entries(input)) {
+    if (value != undefined) {
+      result[key] = isObject(value) ? pruneNullishValues(value) : value
+    }
+  }
+  return result
+}
+
+type PruneNullishValues<Input> = Input extends ReadonlyArray<infer Value>
+  ? ReadonlyArray<NonNullable<Value>>
+  : Input extends object
+  ? {
+      [Key in keyof Input]: NonNullable<Input[Key]>
+    }
+  : Input

packages/reacord/library/core/reacord-discord-js.ts

@@ -3,7 +3,7 @@ import * as Discord from "discord.js"
 import type { ReactNode } from "react"
 import type { Except } from "type-fest"
 import { pick } from "../../helpers/pick"
-import { pruneNullishValues } from "../../helpers/prune-null-values"
+import { pruneNullishValues } from "../../helpers/prune-nullish-values"
 import { raise } from "../../helpers/raise"
 import { toUpper } from "../../helpers/to-upper"
 import type { ComponentInteraction } from "../internal/interaction"

packages/reacord/test/test-adapter.ts

@@ -7,6 +7,7 @@ import type { ReactNode } from "react"
 import { expect } from "vitest"
 import { logPretty } from "../helpers/log-pretty"
 import { omit } from "../helpers/omit"
+import { pruneNullishValues } from "../helpers/prune-nullish-values"
 import { raise } from "../helpers/raise"
 import type {
   ChannelInfo,
@@ -88,14 +89,21 @@ export class ReacordTester extends Reacord {
   }
 
   sampleMessages() {
-    return this.messages.map((message) => ({
+    return pruneNullishValues(
+      this.messages.map((message) => ({
         ...message.options,
         actionRows: message.options.actionRows.map((row) =>
           row.map((component) =>
-          omit(component, ["customId", "onClick", "onSelect", "onSelectValue"]),
+            omit(component, [
+              "customId",
+              "onClick",
+              "onSelect",
+              "onSelectValue",
+            ]),
           ),
         ),
-    }))
+      })),
+    )
   }
 
   findButtonByLabel(label: string) {