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buffer: remove TODOs in atob / btoa #38548

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merged 1 commit into from May 9, 2021
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buffer: remove TODOs in atob / btoa #38548

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10 changes: 6 additions & 4 deletions lib/buffer.js
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Expand Up @@ -1217,8 +1217,9 @@ const lazyInvalidCharError = hideStackFrames((message, name) => {
});

function btoa(input) {
// TODO(@jasnell): The implementation here has not been performance
// optimized in any way.
// The implementation here has not been performance optimized in any way and
// should not be.
// Refs: https://github.com/nodejs/node/pull/38433#issuecomment-828426932
input = `${input}`;
for (let n = 0; n < input.length; n++) {
if (input[n].charCodeAt(0) > 0xff)
Expand All @@ -1232,8 +1233,9 @@ const kBase64Digits =
'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';

function atob(input) {
// TODO(@jasnell): The implementation here has not been performance
// optimized in any way.
// The implementation here has not been performance optimized in any way and
// should not be.
// Refs: https://github.com/nodejs/node/pull/38433#issuecomment-828426932
input = `${input}`;
for (let n = 0; n < input.length; n++) {
if (!kBase64Digits.includes(input[n]))
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