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Switch to native support for base64 utf8 (#9253)

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* Switch to native support for base64 utf8

* Fix error on nodejs
This commit is contained in:
Leilei332
2025-10-06 23:25:45 +08:00
committed by GitHub
parent afe2ac45d9
commit cae3d0fa2c
4 changed files with 32 additions and 171 deletions
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38
core/modules/utils/utils.js
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@@ -9,8 +9,6 @@ Various static utility functions.
"use strict";
var base64utf8 = require("$:/core/modules/utils/base64-utf8/base64-utf8.module.js");
/*
Display a message, in colour if we're on a terminal
*/
@@ -842,22 +840,50 @@ if(typeof window !== 'undefined') {
}
}
exports.base64ToBytes = function(base64) {
const binString = exports.atob(base64);
return Uint8Array.from(binString, (m) => m.codePointAt(0));
};
exports.bytesToBase64 = function(bytes) {
const binString = Array.from(bytes, (byte) => String.fromCodePoint(byte)).join("");
return exports.btoa(binString);
};
exports.base64EncodeUtf8 = function(str) {
if ($tw.browser) {
return exports.bytesToBase64(new TextEncoder().encode(str));
} else {
const buff = Buffer.from(str, "utf-8");
return buff.toString("base64");
}
};
exports.base64DecodeUtf8 = function(str) {
if ($tw.browser) {
return new TextDecoder().decode(exports.base64ToBytes(str));
} else {
const buff = Buffer.from(str, "base64");
return buff.toString("utf-8");
}
};
/*
Decode a base64 string
*/
exports.base64Decode = function(string64,binary,urlsafe) {
var encoded = urlsafe ? string64.replace(/_/g,'/').replace(/-/g,'+') : string64;
const encoded = urlsafe ? string64.replace(/_/g,'/').replace(/-/g,'+') : string64;
if(binary) return exports.atob(encoded)
else return base64utf8.base64.decode.call(base64utf8,encoded);
else return exports.base64DecodeUtf8(encoded);
};
/*
Encode a string to base64
*/
exports.base64Encode = function(string64,binary,urlsafe) {
var encoded;
let encoded;
if(binary) encoded = exports.btoa(string64);
else encoded = base64utf8.base64.encode.call(base64utf8,string64);
else encoded = exports.base64EncodeUtf8(string64);
if(urlsafe) {
encoded = encoded.replace(/\+/g,'-').replace(/\//g,'_');
}