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| author | Adam Mathes <adam@adammathes.com> | 2026-02-14 14:46:37 -0800 |
|---|---|---|
| committer | Adam Mathes <adam@adammathes.com> | 2026-02-14 14:46:37 -0800 |
| commit | afa87af01c79a9baa539f2992d32154d2a4739bd (patch) | |
| tree | 92c7416db734270a2fee1d72ee9cc119379ff8e1 /vanilla/node_modules/@exodus/bytes/base64.js | |
| parent | 3b927e84d200402281f68181cd4253bc77e5528d (diff) | |
| download | neko-afa87af01c79a9baa539f2992d32154d2a4739bd.tar.gz neko-afa87af01c79a9baa539f2992d32154d2a4739bd.tar.bz2 neko-afa87af01c79a9baa539f2992d32154d2a4739bd.zip | |
task: delete vanilla js prototype\n\n- Removed vanilla/ directory and web/dist/vanilla directory\n- Updated Makefile, Dockerfile, and CI workflow to remove vanilla references\n- Cleaned up web/web.go to remove vanilla embed and routes\n- Verified build and tests pass\n\nCloses NK-2tcnmq
Diffstat (limited to 'vanilla/node_modules/@exodus/bytes/base64.js')
| -rw-r--r-- | vanilla/node_modules/@exodus/bytes/base64.js | 178 |
1 files changed, 0 insertions, 178 deletions
diff --git a/vanilla/node_modules/@exodus/bytes/base64.js b/vanilla/node_modules/@exodus/bytes/base64.js deleted file mode 100644 index e8625f7..0000000 --- a/vanilla/node_modules/@exodus/bytes/base64.js +++ /dev/null @@ -1,178 +0,0 @@ -import { assertEmptyRest } from './assert.js' -import { typedView } from './array.js' -import { assertU8, E_STRING } from './fallback/_utils.js' -import { isHermes } from './fallback/platform.js' -import { decodeLatin1, encodeLatin1 } from './fallback/latin1.js' -import * as js from './fallback/base64.js' - -// See https://datatracker.ietf.org/doc/html/rfc4648 - -// base64: A-Za-z0-9+/ and = if padding not disabled -// base64url: A-Za-z0-9_- and = if padding enabled - -const { Buffer, atob, btoa } = globalThis // Buffer is optional, only used when native -const haveNativeBuffer = Buffer && !Buffer.TYPED_ARRAY_SUPPORT -const { toBase64: web64 } = Uint8Array.prototype // Modern engines have this - -const { E_CHAR, E_PADDING, E_LENGTH, E_LAST } = js - -// faster only on Hermes (and a little in old Chrome), js path beats it on normal engines -const shouldUseBtoa = btoa && isHermes -const shouldUseAtob = atob && isHermes - -// For native Buffer codepaths only -const isBuffer = (x) => x.constructor === Buffer && Buffer.isBuffer(x) -const toBuffer = (x) => (isBuffer(x) ? x : Buffer.from(x.buffer, x.byteOffset, x.byteLength)) - -function maybeUnpad(res, padding) { - if (padding) return res - const at = res.indexOf('=', res.length - 3) - return at === -1 ? res : res.slice(0, at) -} - -function maybePad(res, padding) { - return padding && res.length % 4 !== 0 ? res + '='.repeat(4 - (res.length % 4)) : res -} - -const toUrl = (x) => x.replaceAll('+', '-').replaceAll('/', '_') -const haveWeb = (x) => web64 && x.toBase64 === web64 - -export function toBase64(x, { padding = true } = {}) { - assertU8(x) - if (haveWeb(x)) return padding ? x.toBase64() : x.toBase64({ omitPadding: !padding }) // Modern, optionless is slightly faster - if (haveNativeBuffer) return maybeUnpad(toBuffer(x).base64Slice(0, x.byteLength), padding) // Older Node.js - if (shouldUseBtoa) return maybeUnpad(btoa(decodeLatin1(x)), padding) - return js.toBase64(x, false, padding) // Fallback -} - -// NOTE: base64url omits padding by default -export function toBase64url(x, { padding = false } = {}) { - assertU8(x) - if (haveWeb(x)) return x.toBase64({ alphabet: 'base64url', omitPadding: !padding }) // Modern - if (haveNativeBuffer) return maybePad(toBuffer(x).base64urlSlice(0, x.byteLength), padding) // Older Node.js - if (shouldUseBtoa) return maybeUnpad(toUrl(btoa(decodeLatin1(x))), padding) - return js.toBase64(x, true, padding) // Fallback -} - -// Unlike Buffer.from(), throws on invalid input (non-base64 symbols and incomplete chunks) -// Unlike Buffer.from() and Uint8Array.fromBase64(), does not allow spaces -// NOTE: Always operates in strict mode for last chunk - -// By default accepts both padded and non-padded variants, only strict base64 -export function fromBase64(str, options) { - if (typeof options === 'string') options = { format: options } // Compat due to usage, TODO: remove - if (!options) return fromBase64common(str, false, 'both', 'uint8', null) - const { format = 'uint8', padding = 'both', ...rest } = options - return fromBase64common(str, false, padding, format, rest) -} - -// By default accepts only non-padded strict base64url -export function fromBase64url(str, options) { - if (!options) return fromBase64common(str, true, false, 'uint8', null) - const { format = 'uint8', padding = false, ...rest } = options - return fromBase64common(str, true, padding, format, rest) -} - -// By default accepts both padded and non-padded variants, base64 or base64url -export function fromBase64any(str, { format = 'uint8', padding = 'both', ...rest } = {}) { - const isBase64url = !str.includes('+') && !str.includes('/') // likely to fail fast, as most input is non-url, also double scan is faster than regex - return fromBase64common(str, isBase64url, padding, format, rest) -} - -function fromBase64common(str, isBase64url, padding, format, rest) { - if (typeof str !== 'string') throw new TypeError(E_STRING) - if (rest !== null) assertEmptyRest(rest) - const auto = padding === 'both' ? str.endsWith('=') : undefined - // Older JSC supporting Uint8Array.fromBase64 lacks proper checks - if (padding === true || auto === true) { - if (str.length % 4 !== 0) throw new SyntaxError(E_PADDING) // JSC misses this - if (str[str.length - 3] === '=') throw new SyntaxError(E_PADDING) // no more than two = at the end - } else if (padding === false || auto === false) { - if (str.length % 4 === 1) throw new SyntaxError(E_LENGTH) // JSC misses this in fromBase64 - if (padding === false && str.endsWith('=')) { - throw new SyntaxError('Did not expect padding in base64 input') // inclusion is checked separately - } - } else { - throw new TypeError('Invalid padding option') - } - - return typedView(fromBase64impl(str, isBase64url, padding), format) -} - -// ASCII whitespace is U+0009 TAB, U+000A LF, U+000C FF, U+000D CR, or U+0020 SPACE -const ASCII_WHITESPACE = /[\t\n\f\r ]/ // non-u for JSC perf - -function noWhitespaceSeen(str, arr) { - const at = str.indexOf('=', str.length - 3) - const paddingLength = at >= 0 ? str.length - at : 0 - const chars = str.length - paddingLength - const e = chars % 4 // extra chars past blocks of 4 - const b = arr.length - ((chars - e) / 4) * 3 // remaining bytes not covered by full blocks of chars - return (e === 0 && b === 0) || (e === 2 && b === 1) || (e === 3 && b === 2) -} - -let fromBase64impl -if (Uint8Array.fromBase64) { - // NOTICE: this is actually slower than our JS impl in older JavaScriptCore and (slightly) in SpiderMonkey, but faster on V8 and new JavaScriptCore - fromBase64impl = (str, isBase64url, padding) => { - const alphabet = isBase64url ? 'base64url' : 'base64' - - let arr - if (padding === true) { - // Padding is required from user, and we already checked that string length is divisible by 4 - // Padding might still be wrong due to whitespace, but in that case native impl throws expected error - arr = Uint8Array.fromBase64(str, { alphabet, lastChunkHandling: 'strict' }) - } else { - try { - const padded = str.length % 4 > 0 ? `${str}${'='.repeat(4 - (str.length % 4))}` : str - arr = Uint8Array.fromBase64(padded, { alphabet, lastChunkHandling: 'strict' }) - } catch (err) { - // Normalize error: whitespace in input could have caused added padding to be invalid - // But reporting that as a padding error would be confusing - throw ASCII_WHITESPACE.test(str) ? new SyntaxError(E_CHAR) : err - } - } - - // We don't allow whitespace in input, but that can be rechecked based on output length - // All other chars are checked natively - if (!noWhitespaceSeen(str, arr)) throw new SyntaxError(E_CHAR) - return arr - } -} else if (haveNativeBuffer) { - fromBase64impl = (str, isBase64url, padding) => { - const arr = Buffer.from(str, 'base64') - // Rechecking by re-encoding is cheaper than regexes on Node.js - const got = isBase64url ? maybeUnpad(str, padding === false) : maybePad(str, padding !== true) - const valid = isBase64url ? arr.base64urlSlice(0, arr.length) : arr.base64Slice(0, arr.length) - if (got !== valid) throw new SyntaxError(E_PADDING) - return arr // fully checked - } -} else if (shouldUseAtob) { - // atob is faster than manual parsing on Hermes - fromBase64impl = (str, isBase64url, padding) => { - let arr - if (isBase64url) { - if (/[\t\n\f\r +/]/.test(str)) throw new SyntaxError(E_CHAR) // atob verifies other invalid input - str = str.replaceAll('-', '+').replaceAll('_', '/') // from url to normal - } - - try { - arr = encodeLatin1(atob(str)) - } catch { - throw new SyntaxError(E_CHAR) // convert atob errors - } - - if (!isBase64url && !noWhitespaceSeen(str, arr)) throw new SyntaxError(E_CHAR) // base64url checks input above - - if (arr.length % 3 !== 0) { - // Check last chunk to be strict if it was incomplete - const expected = toBase64(arr.subarray(-(arr.length % 3))) // str is normalized to non-url already - const end = str.length % 4 === 0 ? str.slice(-4) : str.slice(-(str.length % 4)).padEnd(4, '=') - if (expected !== end) throw new SyntaxError(E_LAST) - } - - return arr - } -} else { - fromBase64impl = (str, isBase64url, padding) => js.fromBase64(str, isBase64url) // validated in js -} |
