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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/encoding.util.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
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diff --git a/vanilla/node_modules/@exodus/bytes/fallback/encoding.util.js b/vanilla/node_modules/@exodus/bytes/fallback/encoding.util.js
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--- a/vanilla/node_modules/@exodus/bytes/fallback/encoding.util.js
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-// Get a number of last bytes in an Uint8Array `u` ending at `len` that don't
-// form a codepoint yet, but can be a part of a single codepoint on more data
-export function unfinishedBytes(u, len, enc) {
- switch (enc) {
- case 'utf-8': {
- // 0-3
- let p = 0
- while (p < 2 && p < len && (u[len - p - 1] & 0xc0) === 0x80) p++ // go back 0-2 trailing bytes
- if (p === len) return 0 // no space for lead
- const l = u[len - p - 1]
- if (l < 0xc2 || l > 0xf4) return 0 // not a lead
- if (p === 0) return 1 // nothing to recheck, we have only lead, return it. 2-byte must return here
- if (l < 0xe0 || (l < 0xf0 && p >= 2)) return 0 // 2-byte, or 3-byte or less and we already have 2 trailing
- const lower = l === 0xf0 ? 0x90 : l === 0xe0 ? 0xa0 : 0x80
- const upper = l === 0xf4 ? 0x8f : l === 0xed ? 0x9f : 0xbf
- const n = u[len - p]
- return n >= lower && n <= upper ? p + 1 : 0
- }
-
- case 'utf-16le':
- case 'utf-16be': {
- // 0-3
- const p = len % 2 // uneven byte length adds 1
- if (len < 2) return p
- const l = len - p - 1
- const last = enc === 'utf-16le' ? (u[l] << 8) ^ u[l - 1] : (u[l - 1] << 8) ^ u[l]
- return last >= 0xd8_00 && last < 0xdc_00 ? p + 2 : p // lone lead adds 2
- }
- }
-
- throw new Error('Unsupported encoding')
-}
-
-// Merge prefix `chunk` with `u` and return new combined prefix
-// For u.length < 3, fully consumes u and can return unfinished data,
-// otherwise returns a prefix with no unfinished bytes
-export function mergePrefix(u, chunk, enc) {
- if (u.length === 0) return chunk
- if (u.length < 3) {
- // No reason to bruteforce offsets, also it's possible this doesn't yet end the sequence
- const a = new Uint8Array(u.length + chunk.length)
- a.set(chunk)
- a.set(u, chunk.length)
- return a
- }
-
- // Slice off a small portion of u into prefix chunk so we can decode them separately without extending array size
- const t = new Uint8Array(chunk.length + 3) // We have 1-3 bytes and need 1-3 more bytes
- t.set(chunk)
- t.set(u.subarray(0, 3), chunk.length)
-
- // Stop at the first offset where unfinished bytes reaches 0 or fits into u
- // If that doesn't happen (u too short), just concat chunk and u completely (above)
- for (let i = 1; i <= 3; i++) {
- const unfinished = unfinishedBytes(t, chunk.length + i, enc) // 0-3
- if (unfinished <= i) {
- // Always reachable at 3, but we still need 'unfinished' value for it
- const add = i - unfinished // 0-3
- return add > 0 ? t.subarray(0, chunk.length + add) : chunk
- }
- }
-
- // Unreachable
-}