floatOrThrow

function Number.floatOrThrow<T>(target: T): Extract<T, number>

Returns the numeric value of target if it's a finite floating-point number (not an integer), otherwise throws an error.

Example

data-first

import { Number } from "@monstermann/number";

Number.floatOrThrow(3.14); // 3.14
Number.floatOrThrow(0.5); // 0.5
Number.floatOrThrow(42); // throws Error
Number.floatOrThrow(NaN); // throws Error
Number.floatOrThrow(Infinity); // throws Error
Number.floatOrThrow("hello"); // throws Error

data-last

import { Number } from "@monstermann/number";

pipe(3.14, Number.floatOrThrow()); // 3.14
pipe(0.5, Number.floatOrThrow()); // 0.5
pipe(42, Number.floatOrThrow()); // throws Error
pipe(NaN, Number.floatOrThrow()); // throws Error
pipe(Infinity, Number.floatOrThrow()); // throws Error
pipe("hello", Number.floatOrThrow()); // throws Error