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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
// @ts-check
/// <reference path="../../core/internal.d.ts" />
/// <reference path="../webidl/internal.d.ts" />
/// <reference path="../web/internal.d.ts" />
/// <reference lib="esnext" />
import { primordials } from "ext:core/mod.js";
import { op_base64_atob, op_base64_btoa } from "ext:core/ops";
const {
ObjectPrototypeIsPrototypeOf,
TypeErrorPrototype,
} = primordials;
import * as webidl from "ext:deno_webidl/00_webidl.js";
import { DOMException } from "./01_dom_exception.js";
/**
* @param {string} data
* @returns {string}
*/
function atob(data) {
const prefix = "Failed to execute 'atob'";
webidl.requiredArguments(arguments.length, 1, prefix);
data = webidl.converters.DOMString(data, prefix, "Argument 1");
try {
return op_base64_atob(data);
} catch (e) {
if (ObjectPrototypeIsPrototypeOf(TypeErrorPrototype, e)) {
throw new DOMException(
"Failed to decode base64: invalid character",
"InvalidCharacterError",
);
}
throw e;
}
}
/**
* @param {string} data
* @returns {string}
*/
function btoa(data) {
const prefix = "Failed to execute 'btoa'";
webidl.requiredArguments(arguments.length, 1, prefix);
data = webidl.converters.DOMString(data, prefix, "Argument 1");
try {
return op_base64_btoa(data);
} catch (e) {
if (ObjectPrototypeIsPrototypeOf(TypeErrorPrototype, e)) {
throw new DOMException(
"The string to be encoded contains characters outside of the Latin1 range.",
"InvalidCharacterError",
);
}
throw e;
}
}
export { atob, btoa };
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