@waiting/base64/dist/lib/helper.d.ts

Base64 encoding/decoding in pure JS on both modern Browsers and Node.js. Also supports URL-safe base64

import { TextDecoderFn, TextEncoderFn } from './model';
export declare function parseEncodeInputString(input: string | number | bigint): string;
export declare function parseDecodeInputBase64(base64: string): string;
export declare function parseTextEncoder(textEncoder?: TextEncoderFn): TextEncoderFn;
export declare function parseTextDecoder(textDecoder?: TextDecoderFn): TextDecoderFn;
/** Whether string contains valid base64 characters */
export declare function validB64Chars(input: string): boolean;
/** Whether string contains valid URL-safe base64 characters */
export declare function validB64URLChars(input: string): boolean;
/** Validate input is valid base64 string or throw error */
export declare function validateB64(input: string): void;
/** Validate input is valid URL-safe base64 string or throw error */
export declare function validateB64URL(input: string): void;
/** Return true for valid base64 input, error message for invalid */
export declare function testB64(input: string): true | string;
/** Return true for valid URL-safe base64 input,  error message for invalid */
export declare function testB64URL(input: string): true | string;
/** Whether running in Node.js */
export declare function isRunningInNodejs(): boolean;
/** Whether input is instance of ArrayBuffer */
export declare function isArrayBuffer(buffer: any): buffer is ArrayBuffer;
/** Whether input is instance of Uint8Array */
export declare function isUint8Array(buffer: any): buffer is Uint8Array;
/**
 * Convert base64 string to URL-safe base64 string.
 * Replace "+" to "-" and "/" to "_", and Remove "="
 *
 * @see https://en.wikipedia.org/wiki/Base64#URL_applications
 */
export declare function b64toURLSafe(base64: string): string;
/**
 * Convert URL-safe base64 string to base64 string.
 * Replace "-" to "+" and "_" to "/", and pad with "="
 *
 * @see https://en.wikipedia.org/wiki/Base64#URL_applications
 */
export declare function b64fromURLSafe(base64: string): string;
export declare function b64PadSuffix(input: string): string;