Function normalizeBase64

packages/plugins/openapi/src/sdk/invoke.ts:359–365

(value: string, encoding: "base64" | "base64url")

};

const normalizeBase64 = (value: string, encoding: "base64" | "base64url"): string => {
  const compact = value.replace(/\s/g, "");
  const alphabet =
    encoding === "base64url" ? compact.replace(/-/g, "+").replace(/_/g, "/") : compact;
  const remainder = alphabet.length % 4;
  return remainder === 0 ? alphabet : `${alphabet}${"=".repeat(4 - remainder)}`;
};

const byteLengthFromBase64 = (base64: string): number => {
  const compact = base64.replace(/\s/g, "");