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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/utf8.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/utf8.js')
-rw-r--r--vanilla/node_modules/@exodus/bytes/fallback/utf8.js270
1 files changed, 0 insertions, 270 deletions
diff --git a/vanilla/node_modules/@exodus/bytes/fallback/utf8.js b/vanilla/node_modules/@exodus/bytes/fallback/utf8.js
deleted file mode 100644
index d1467bc..0000000
--- a/vanilla/node_modules/@exodus/bytes/fallback/utf8.js
+++ /dev/null
@@ -1,270 +0,0 @@
-import { E_STRICT_UNICODE } from './_utils.js'
-import { isHermes } from './platform.js'
-import { asciiPrefix, decodeLatin1, encodeAsciiPrefix } from './latin1.js'
-
-export const E_STRICT = 'Input is not well-formed utf8'
-
-const replacementPoint = 0xff_fd
-const shouldUseEscapePath = isHermes // faster only on Hermes, js path beats it on normal engines
-const { decodeURIComponent, escape } = globalThis
-
-export function decodeFast(arr, loose) {
- // Fast path for ASCII prefix, this is faster than all alternatives below
- const prefix = decodeLatin1(arr, 0, asciiPrefix(arr)) // No native decoder to use, so decodeAscii is useless here
- if (prefix.length === arr.length) return prefix
-
- // This codepath gives a ~3x perf boost on Hermes
- if (shouldUseEscapePath && escape && decodeURIComponent) {
- const o = escape(decodeLatin1(arr, prefix.length, arr.length))
- try {
- return prefix + decodeURIComponent(o) // Latin1 to utf8
- } catch {
- if (!loose) throw new TypeError(E_STRICT)
- // Ok, we have to use manual implementation for loose decoder
- }
- }
-
- return prefix + decode(arr, loose, prefix.length)
-}
-
-// https://encoding.spec.whatwg.org/#utf-8-decoder
-// We are most likely in loose mode, for non-loose escape & decodeURIComponent solved everything
-export function decode(arr, loose, start = 0) {
- start |= 0
- const end = arr.length
- let out = ''
- const chunkSize = 0x2_00 // far below MAX_ARGUMENTS_LENGTH in npmjs.com/buffer, we use smaller chunks
- const tmpSize = Math.min(end - start, chunkSize + 1) // need 1 extra slot for last codepoint, which can be 2 charcodes
- const tmp = new Array(tmpSize).fill(0)
- let ti = 0
-
- for (let i = start; i < end; i++) {
- if (ti >= chunkSize) {
- tmp.length = ti // can be larger by 1 if last codepoint is two charcodes
- out += String.fromCharCode.apply(String, tmp)
- if (tmp.length <= chunkSize) tmp.push(0) // restore 1 extra slot for last codepoint
- ti = 0
- }
-
- const byte = arr[i]
- if (byte < 0x80) {
- tmp[ti++] = byte
- // ascii fast path is in decodeFast(), this is called only on non-ascii input
- // so we don't unroll this anymore
- } else if (byte < 0xc2) {
- if (!loose) throw new TypeError(E_STRICT)
- tmp[ti++] = replacementPoint
- } else if (byte < 0xe0) {
- // need 1 more
- if (i + 1 >= end) {
- if (!loose) throw new TypeError(E_STRICT)
- tmp[ti++] = replacementPoint
- break
- }
-
- const byte1 = arr[i + 1]
- if (byte1 < 0x80 || byte1 > 0xbf) {
- if (!loose) throw new TypeError(E_STRICT)
- tmp[ti++] = replacementPoint
- continue
- }
-
- i++
- tmp[ti++] = ((byte & 0x1f) << 6) | (byte1 & 0x3f)
- } else if (byte < 0xf0) {
- // need 2 more
- if (i + 1 >= end) {
- if (!loose) throw new TypeError(E_STRICT)
- tmp[ti++] = replacementPoint
- break
- }
-
- const lower = byte === 0xe0 ? 0xa0 : 0x80
- const upper = byte === 0xed ? 0x9f : 0xbf
- const byte1 = arr[i + 1]
- if (byte1 < lower || byte1 > upper) {
- if (!loose) throw new TypeError(E_STRICT)
- tmp[ti++] = replacementPoint
- continue
- }
-
- i++
- if (i + 1 >= end) {
- if (!loose) throw new TypeError(E_STRICT)
- tmp[ti++] = replacementPoint
- break
- }
-
- const byte2 = arr[i + 1]
- if (byte2 < 0x80 || byte2 > 0xbf) {
- if (!loose) throw new TypeError(E_STRICT)
- tmp[ti++] = replacementPoint
- continue
- }
-
- i++
- tmp[ti++] = ((byte & 0xf) << 12) | ((byte1 & 0x3f) << 6) | (byte2 & 0x3f)
- } else if (byte <= 0xf4) {
- // need 3 more
- if (i + 1 >= end) {
- if (!loose) throw new TypeError(E_STRICT)
- tmp[ti++] = replacementPoint
- break
- }
-
- const lower = byte === 0xf0 ? 0x90 : 0x80
- const upper = byte === 0xf4 ? 0x8f : 0xbf
- const byte1 = arr[i + 1]
- if (byte1 < lower || byte1 > upper) {
- if (!loose) throw new TypeError(E_STRICT)
- tmp[ti++] = replacementPoint
- continue
- }
-
- i++
- if (i + 1 >= end) {
- if (!loose) throw new TypeError(E_STRICT)
- tmp[ti++] = replacementPoint
- break
- }
-
- const byte2 = arr[i + 1]
- if (byte2 < 0x80 || byte2 > 0xbf) {
- if (!loose) throw new TypeError(E_STRICT)
- tmp[ti++] = replacementPoint
- continue
- }
-
- i++
- if (i + 1 >= end) {
- if (!loose) throw new TypeError(E_STRICT)
- tmp[ti++] = replacementPoint
- break
- }
-
- const byte3 = arr[i + 1]
- if (byte3 < 0x80 || byte3 > 0xbf) {
- if (!loose) throw new TypeError(E_STRICT)
- tmp[ti++] = replacementPoint
- continue
- }
-
- i++
- const codePoint =
- ((byte & 0xf) << 18) | ((byte1 & 0x3f) << 12) | ((byte2 & 0x3f) << 6) | (byte3 & 0x3f)
- if (codePoint > 0xff_ff) {
- // split into char codes as String.fromCharCode is faster than String.fromCodePoint
- const u = codePoint - 0x1_00_00
- tmp[ti++] = 0xd8_00 + ((u >> 10) & 0x3_ff)
- tmp[ti++] = 0xdc_00 + (u & 0x3_ff)
- } else {
- tmp[ti++] = codePoint
- }
- // eslint-disable-next-line sonarjs/no-duplicated-branches
- } else {
- if (!loose) throw new TypeError(E_STRICT)
- tmp[ti++] = replacementPoint
- }
- }
-
- if (ti === 0) return out
- tmp.length = ti
- return out + String.fromCharCode.apply(String, tmp)
-}
-
-export function encode(string, loose) {
- const length = string.length
- let small = true
- let bytes = new Uint8Array(length) // assume ascii
-
- let i = encodeAsciiPrefix(bytes, string)
- let p = i
- for (; i < length; i++) {
- let code = string.charCodeAt(i)
- if (code < 0x80) {
- bytes[p++] = code
- // Unroll the loop a bit for faster ops
- while (true) {
- i++
- if (i >= length) break
- code = string.charCodeAt(i)
- if (code >= 0x80) break
- bytes[p++] = code
- i++
- if (i >= length) break
- code = string.charCodeAt(i)
- if (code >= 0x80) break
- bytes[p++] = code
- i++
- if (i >= length) break
- code = string.charCodeAt(i)
- if (code >= 0x80) break
- bytes[p++] = code
- i++
- if (i >= length) break
- code = string.charCodeAt(i)
- if (code >= 0x80) break
- bytes[p++] = code
- }
-
- if (i >= length) break
- // now, code is present and >= 0x80
- }
-
- if (small) {
- // TODO: use resizable array buffers? will have to return a non-resizeable one
- if (p !== i) /* c8 ignore next */ throw new Error('Unreachable') // Here, p === i (only when small is still true)
- const bytesNew = new Uint8Array(p + (length - i) * 3) // maximium can be 3x of the string length in charcodes
- bytesNew.set(bytes)
- bytes = bytesNew
- small = false
- }
-
- // surrogate, charcodes = [d800 + a & 3ff, dc00 + b & 3ff]; codePoint = 0x1_00_00 | (a << 10) | b
- // lead: d800 - dbff
- // trail: dc00 - dfff
- if (code >= 0xd8_00 && code < 0xe0_00) {
- // Can't be a valid trail as we already processed that below
-
- if (code > 0xdb_ff || i + 1 >= length) {
- // An unexpected trail or a lead at the very end of input
- if (!loose) throw new TypeError(E_STRICT_UNICODE)
- bytes[p++] = 0xef
- bytes[p++] = 0xbf
- bytes[p++] = 0xbd
- continue
- }
-
- const next = string.charCodeAt(i + 1) // Process valid pairs immediately
- if (next >= 0xdc_00 && next < 0xe0_00) {
- // here, codePoint is always between 0x1_00_00 and 0x11_00_00, we encode as 4 bytes
- const codePoint = (((code - 0xd8_00) << 10) | (next - 0xdc_00)) + 0x1_00_00
- bytes[p++] = (codePoint >> 18) | 0xf0
- bytes[p++] = ((codePoint >> 12) & 0x3f) | 0x80
- bytes[p++] = ((codePoint >> 6) & 0x3f) | 0x80
- bytes[p++] = (codePoint & 0x3f) | 0x80
- i++ // consume next
- } else {
- // Next is not a trail, leave next unconsumed but process unmatched lead error
- if (!loose) throw new TypeError(E_STRICT_UNICODE)
- bytes[p++] = 0xef
- bytes[p++] = 0xbf
- bytes[p++] = 0xbd
- }
-
- continue
- }
-
- // We are left with a non-pair char code above ascii, it gets encoded to 2 or 3 bytes
- if (code < 0x8_00) {
- bytes[p++] = (code >> 6) | 0xc0
- bytes[p++] = (code & 0x3f) | 0x80
- } else {
- bytes[p++] = (code >> 12) | 0xe0
- bytes[p++] = ((code >> 6) & 0x3f) | 0x80
- bytes[p++] = (code & 0x3f) | 0x80
- }
- }
-
- return bytes.length === p ? bytes : bytes.slice(0, p)
-}