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authorAdam Mathes <adam@adammathes.com>2026-02-14 14:46:37 -0800
committerAdam Mathes <adam@adammathes.com>2026-02-14 14:46:37 -0800
commitafa87af01c79a9baa539f2992d32154d2a4739bd (patch)
tree92c7416db734270a2fee1d72ee9cc119379ff8e1 /vanilla/node_modules/@exodus/bytes/fallback/latin1.js
parent3b927e84d200402281f68181cd4253bc77e5528d (diff)
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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/fallback/latin1.js')
-rw-r--r--vanilla/node_modules/@exodus/bytes/fallback/latin1.js151
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diff --git a/vanilla/node_modules/@exodus/bytes/fallback/latin1.js b/vanilla/node_modules/@exodus/bytes/fallback/latin1.js
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--- a/vanilla/node_modules/@exodus/bytes/fallback/latin1.js
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@@ -1,151 +0,0 @@
-import {
- nativeEncoder,
- nativeDecoder,
- nativeDecoderLatin1,
- nativeBuffer,
- encodeCharcodes,
- isHermes,
- isDeno,
- isLE,
-} from './platform.js'
-
-const atob = /* @__PURE__ */ (() => globalThis.atob)()
-const web64 = /* @__PURE__ */ (() => Uint8Array.prototype.toBase64)()
-
-// See http://stackoverflow.com/a/22747272/680742, which says that lowest limit is in Chrome, with 0xffff args
-// On Hermes, actual max is 0x20_000 minus current stack depth, 1/16 of that should be safe
-const maxFunctionArgs = 0x20_00
-
-// toBase64+atob path is faster on everything where fromBase64 is fast
-const useLatin1atob = web64 && atob
-
-export function asciiPrefix(arr) {
- let p = 0 // verified ascii bytes
- const length = arr.length
- // Threshold tested on Hermes (worse on <=48, better on >=52)
- // Also on v8 arrs of size <=64 might be on heap and using Uint32Array on them is unoptimal
- if (length > 64) {
- // Speedup with u32
- const u32start = (4 - (arr.byteOffset & 3)) % 4 // offset start by this many bytes for alignment
- for (; p < u32start; p++) if (arr[p] >= 0x80) return p
- const u32length = ((arr.byteLength - u32start) / 4) | 0
- const u32 = new Uint32Array(arr.buffer, arr.byteOffset + u32start, u32length)
- let i = 0
- for (const last3 = u32length - 3; ; p += 16, i += 4) {
- if (i >= last3) break // loop is fast enough for moving this here to be _very_ useful, likely due to array access checks
- const a = u32[i]
- const b = u32[i + 1]
- const c = u32[i + 2]
- const d = u32[i + 3]
- // "(a | b | c | d) & mask" is slower on Hermes though faster on v8
- if (a & 0x80_80_80_80 || b & 0x80_80_80_80 || c & 0x80_80_80_80 || d & 0x80_80_80_80) break
- }
-
- for (; i < u32length; p += 4, i++) if (u32[i] & 0x80_80_80_80) break
- }
-
- for (; p < length; p++) if (arr[p] >= 0x80) return p
- return length
-}
-
-// Capable of decoding Uint16Array to UTF-16 as well as Uint8Array to Latin-1
-export function decodeLatin1(arr, start = 0, stop = arr.length) {
- start |= 0
- stop |= 0
- const total = stop - start
- if (total === 0) return ''
-
- if (
- useLatin1atob &&
- total >= 256 &&
- total < 1e8 &&
- arr.toBase64 === web64 &&
- arr.BYTES_PER_ELEMENT === 1
- ) {
- const sliced = start === 0 && stop === arr.length ? arr : arr.subarray(start, stop)
- return atob(sliced.toBase64())
- }
-
- if (total > maxFunctionArgs) {
- let prefix = ''
- for (let i = start; i < stop; ) {
- const i1 = Math.min(stop, i + maxFunctionArgs)
- prefix += String.fromCharCode.apply(String, arr.subarray(i, i1))
- i = i1
- }
-
- return prefix
- }
-
- const sliced = start === 0 && stop === arr.length ? arr : arr.subarray(start, stop)
- return String.fromCharCode.apply(String, sliced)
-}
-
-// Unchecked for well-formedness, raw. Expects Uint16Array input
-export const decodeUCS2 =
- nativeBuffer && isLE && !isDeno
- ? (u16, stop = u16.length) => {
- // TODO: fast path for BE, perhaps faster path for Deno. Note that decoder replaces, this function doesn't
- if (stop > 32) return nativeBuffer.from(u16.buffer, u16.byteOffset, stop * 2).ucs2Slice() // from 64 bytes, below are in heap
- return decodeLatin1(u16, 0, stop)
- }
- : (u16, stop = u16.length) => decodeLatin1(u16, 0, stop)
-
-// Does not check input, uses best available method
-// Building an array for this is only faster than proper string concatenation when TextDecoder or native Buffer are available
-export const decodeAscii = nativeBuffer
- ? (a) =>
- // Buffer is faster on Node.js (but only for long enough data), if we know that output is ascii
- a.byteLength >= 0x3_00 && !isDeno
- ? nativeBuffer.from(a.buffer, a.byteOffset, a.byteLength).latin1Slice(0, a.byteLength) // .latin1Slice is faster than .asciiSlice
- : nativeDecoder.decode(a) // On Node.js, utf8 decoder is faster than latin1
- : nativeDecoderLatin1
- ? (a) => nativeDecoderLatin1.decode(a) // On browsers (specifically WebKit), latin1 decoder is faster than utf8
- : (a) =>
- decodeLatin1(
- a instanceof Uint8Array ? a : new Uint8Array(a.buffer, a.byteOffset, a.byteLength)
- )
-
-/* eslint-disable @exodus/mutable/no-param-reassign-prop-only */
-
-export function encodeAsciiPrefix(x, s) {
- let i = 0
- for (const len3 = s.length - 3; i < len3; i += 4) {
- const x0 = s.charCodeAt(i), x1 = s.charCodeAt(i + 1), x2 = s.charCodeAt(i + 2), x3 = s.charCodeAt(i + 3) // prettier-ignore
- if ((x0 | x1 | x2 | x3) >= 128) break
- x[i] = x0
- x[i + 1] = x1
- x[i + 2] = x2
- x[i + 3] = x3
- }
-
- return i
-}
-
-/* eslint-enable @exodus/mutable/no-param-reassign-prop-only */
-
-// Warning: can be used only on checked strings, converts strings to 8-bit
-export const encodeLatin1 = (str) => encodeCharcodes(str, new Uint8Array(str.length))
-
-// Expects nativeEncoder to be present
-const useEncodeInto = /* @__PURE__ */ (() => isHermes && nativeEncoder?.encodeInto)()
-export const encodeAscii = useEncodeInto
- ? (str, ERR) => {
- // Much faster in Hermes
- const codes = new Uint8Array(str.length + 4) // overshoot by a full utf8 char
- const info = nativeEncoder.encodeInto(str, codes)
- if (info.read !== str.length || info.written !== str.length) throw new SyntaxError(ERR) // non-ascii
- return codes.subarray(0, str.length)
- }
- : nativeBuffer
- ? (str, ERR) => {
- // TextEncoder is slow on Node.js 24 / 25 (was ok on 22)
- const codes = nativeBuffer.from(str, 'utf8') // ascii/latin1 coerces, we need to check
- if (codes.length !== str.length) throw new SyntaxError(ERR) // non-ascii
- return new Uint8Array(codes.buffer, codes.byteOffset, codes.byteLength)
- }
- : (str, ERR) => {
- const codes = nativeEncoder.encode(str)
- if (codes.length !== str.length) throw new SyntaxError(ERR) // non-ascii
- return codes
- }