This repository has been archived on 2024-09-11. You can view files and clone it, but cannot push or open issues or pull requests.
svrjs-blog-newsletter/cronjob/node_modules/@smithy/util-base64/dist-es/constants.browser.js

29 lines
1 KiB
JavaScript
Raw Permalink Normal View History

2024-05-26 22:54:55 +02:00
const alphabetByEncoding = {};
const alphabetByValue = new Array(64);
for (let i = 0, start = "A".charCodeAt(0), limit = "Z".charCodeAt(0); i + start <= limit; i++) {
const char = String.fromCharCode(i + start);
alphabetByEncoding[char] = i;
alphabetByValue[i] = char;
}
for (let i = 0, start = "a".charCodeAt(0), limit = "z".charCodeAt(0); i + start <= limit; i++) {
const char = String.fromCharCode(i + start);
const index = i + 26;
alphabetByEncoding[char] = index;
alphabetByValue[index] = char;
}
for (let i = 0; i < 10; i++) {
alphabetByEncoding[i.toString(10)] = i + 52;
const char = i.toString(10);
const index = i + 52;
alphabetByEncoding[char] = index;
alphabetByValue[index] = char;
}
alphabetByEncoding["+"] = 62;
alphabetByValue[62] = "+";
alphabetByEncoding["/"] = 63;
alphabetByValue[63] = "/";
const bitsPerLetter = 6;
const bitsPerByte = 8;
const maxLetterValue = 0b111111;
export { alphabetByEncoding, alphabetByValue, bitsPerLetter, bitsPerByte, maxLetterValue };