feat: isTruthy helper

scripts/bootstrap/version.ts

@@ -7,7 +7,7 @@ import * as core from "./core";
 /**
  * Internal adrift version.
  */
-export const adriftVersion = "0.11.510";
+export const adriftVersion = "0.11.512";
 
 /**
  * Bumps the adrift `patch` version number using the total commit count.

src/lib/type-assertions.ts

@@ -1,5 +1,3 @@
-export const getKeys = Object.keys as <T extends object>(obj: T) => Array<keyof T>;
-
 /**
  * Deep `keyof` of a nested object. INCLUDES root key as well as all nested.
  *

src/lib/type-guards.ts

@@ -1,28 +1,48 @@
-export const isObj = (v: unknown): v is Record<string, unknown> => {
-	return !!v && typeof v === "object";
-};
-
-export const hasProp = <K extends PropertyKey>(
-	data: object,
-	prop: K
-): data is Record<K, unknown> => {
-	return prop in data;
-};
-
 /**
- * Helper to conditionally spread an item into an array.
+ * Conditionally spread an item into an array.
  */
 export const arraySpread = <TItem>(
 	/** Conditional value. When truthy, `itemToSpread` is returned. */
-	isTruthy: any,
+	conditional: any,
 	/** Item that gets returned when conditional is truthy */
 	itemToSpread: TItem | TItem[],
 	/** Option to spread multiple values when `itemToSpread` is an array */
 	spreadMultiple = false
 ) => {
-	if (isTruthy)
+	if (isTruthy(conditional))
 		return spreadMultiple && Array.isArray(itemToSpread)
 			? (itemToSpread as TItem[])
 			: [itemToSpread as TItem];
 	return [] as TItem[];
 };
+
+export const hasProp = <K extends PropertyKey>(
+	data: object,
+	prop: K
+): data is Record<K, unknown> => {
+	return prop in data;
+};
+
+export const isObj = (v: unknown): v is Record<string, unknown> => {
+	return !!v && typeof v === "object";
+};
+
+/**
+ * @returns `true` when all supplied values are NOT any of the bellow:
+ * - Is falsy
+ * - Is empty array
+ * - Is empty object
+ */
+export const isTruthy = (...v: any[]) => {
+	for (let i = 0; i < v.length; i++) {
+		if (
+			!v[i] ||
+			(Array.isArray(v[i]) && v[i]?.length === 0) ||
+			(isObj(v[i]) && Object.keys(v[i] ?? {})?.length === 0)
+		)
+			return false;
+	}
+	return true;
+};
+
+export const objKeys = Object.keys as <T extends object>(obj: T) => Array<keyof T>;