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a3979cda9c
* Split base64 utility functions to two platforms * Simplify Nodejs atob * Update change note * Update docs * Move base64Decode & base64Encode back to utils.js * Add missing use strict
30 lines
812 B
JavaScript
30 lines
812 B
JavaScript
/*\
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title: $:/core-modules/modules/utils/base64.js
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type: application/javascript
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module-type: utils-node
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Base64 UTF-8 utlity functions.
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\*/
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"use strict";
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const{ TextEncoder, TextDecoder } = require("node:util");
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exports.btoa = binstr => Buffer.from(binstr, "binary").toString("base64");
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exports.atob = b64 => Buffer.from(b64, "base64").toString("binary");
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function base64ToBytes(base64) {
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const binString = exports.atob(base64);
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return Uint8Array.from(binString, m => m.codePointAt(0));
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};
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function bytesToBase64(bytes) {
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const binString = Array.from(bytes, byte => String.fromCodePoint(byte)).join("");
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return exports.btoa(binString);
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};
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exports.base64EncodeUtf8 = str => bytesToBase64(new TextEncoder().encode(str));
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exports.base64DecodeUtf8 = str => new TextDecoder().decode(base64ToBytes(str));
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