Function toInt

apps/api/src/config/env/validate.ts:8–28

(
  raw: string | undefined,
  fallback: number,
  name?: string
)

type EnvSource = Record<string, string | undefined>;

export const toInt = (
  raw: string | undefined,
  fallback: number,
  name?: string
): number => {
  if (raw === undefined || raw === "") {
    return fallback;
  }

  const parsed = parseInt(raw, 10);

  if (Number.isNaN(parsed)) {
    const label = name ?? "<int>";

    throw new Error(
      `${label}: invalid integer "${raw}". Set a numeric value or unset the variable to use the default (${String(fallback)}).`
    );
  }

  return parsed;
};

/*
 * Strict boolean parser. Accepts a small set of canonical truthy/falsy