1 files changed, 122 insertions, 0 deletions
diff --git a/vanilla/node_modules/@exodus/bytes/fallback/platform.native.js b/vanilla/node_modules/@exodus/bytes/fallback/platform.native.js
new file mode 100644
index 0000000..4f3ae44
--- /dev/null
+++ b/vanilla/node_modules/@exodus/bytes/fallback/platform.native.js
@@ -0,0 +1,122 @@
+const { Buffer } = globalThis
+const haveNativeBuffer = Buffer && !Buffer.TYPED_ARRAY_SUPPORT
+export const nativeBuffer = haveNativeBuffer ? Buffer : null
+export const isHermes = /* @__PURE__ */ (() => !!globalThis.HermesInternal)()
+export const isDeno = /* @__PURE__ */ (() => !!globalThis.Deno)()
+export const isLE = /* @__PURE__ */ (() => new Uint8Array(Uint16Array.of(258).buffer)[0] === 2)()
+
+// We consider Node.js TextDecoder/TextEncoder native
+// Still needed in platform.native.js as this is re-exported to platform.js
+let isNative = (x) => x && (haveNativeBuffer || `${x}`.includes('[native code]'))
+if (!haveNativeBuffer && isNative(() => {})) isNative = () => false // e.g. XS, we don't want false positives
+
+export const nativeEncoder = /* @__PURE__ */ (() =>
+  isNative(globalThis.TextEncoder) ? new TextEncoder() : null)()
+export const nativeDecoder = /* @__PURE__ */ (() =>
+  isNative(globalThis.TextDecoder) ? new TextDecoder('utf-8', { ignoreBOM: true }) : null)()
+
+// Actually windows-1252, compatible with ascii and latin1 decoding
+// Beware that on non-latin1, i.e. on windows-1252, this is broken in ~all Node.js versions released
+// in 2025 due to a regression, so we call it Latin1 as it's usable only for that
+export const nativeDecoderLatin1 = /* @__PURE__ */ (() => {
+  // Not all barebone engines with TextDecoder support something except utf-8, detect
+  if (nativeDecoder) {
+    try {
+      return new TextDecoder('latin1', { ignoreBOM: true })
+    } catch {}
+  }
+
+  return null
+})()
+
+export function decodePartAddition(a, start, end, m) {
+  let o = ''
+  let i = start
+  for (const last3 = end - 3; i < last3; i += 4) {
+    const x0 = a[i]
+    const x1 = a[i + 1]
+    const x2 = a[i + 2]
+    const x3 = a[i + 3]
+    o += m[x0]
+    o += m[x1]
+    o += m[x2]
+    o += m[x3]
+  }
+
+  while (i < end) o += m[a[i++]]
+  return o
+}
+
+// Decoding with templates is faster on Hermes
+export function decodePartTemplates(a, start, end, m) {
+  let o = ''
+  let i = start
+  for (const last15 = end - 15; i < last15; i += 16) {
+    const x0 = a[i]
+    const x1 = a[i + 1]
+    const x2 = a[i + 2]
+    const x3 = a[i + 3]
+    const x4 = a[i + 4]
+    const x5 = a[i + 5]
+    const x6 = a[i + 6]
+    const x7 = a[i + 7]
+    const x8 = a[i + 8]
+    const x9 = a[i + 9]
+    const x10 = a[i + 10]
+    const x11 = a[i + 11]
+    const x12 = a[i + 12]
+    const x13 = a[i + 13]
+    const x14 = a[i + 14]
+    const x15 = a[i + 15]
+    o += `${m[x0]}${m[x1]}${m[x2]}${m[x3]}${m[x4]}${m[x5]}${m[x6]}${m[x7]}${m[x8]}${m[x9]}${m[x10]}${m[x11]}${m[x12]}${m[x13]}${m[x14]}${m[x15]}`
+  }
+
+  while (i < end) o += m[a[i++]]
+  return o
+}
+
+const decodePart = isHermes ? decodePartTemplates : decodePartAddition
+export function decode2string(arr, start, end, m) {
+  if (end - start > 30_000) {
+    // Limit concatenation to avoid excessive GC
+    // Thresholds checked on Hermes for toHex
+    const concat = []
+    for (let i = start; i < end; ) {
+      const step = i + 500
+      const iNext = step > end ? end : step
+      concat.push(decodePart(arr, i, iNext, m))
+      i = iNext
+    }
+
+    const res = concat.join('')
+    concat.length = 0
+    return res
+  }
+
+  return decodePart(arr, start, end, m)
+}
+
+/* eslint-disable @exodus/mutable/no-param-reassign-prop-only */
+
+function encodeCharcodesHermes(str, arr) {
+  const length = str.length
+  if (length > 64) {
+    const at = str.charCodeAt.bind(str) // faster on strings from ~64 chars on Hermes, but can be 10x slower on e.g. JSC
+    for (let i = 0; i < length; i++) arr[i] = at(i)
+  } else {
+    for (let i = 0; i < length; i++) arr[i] = str.charCodeAt(i)
+  }
+
+  return arr
+}
+
+export function encodeCharcodesPure(str, arr) {
+  const length = str.length
+  // Can be optimized with unrolling, but this is not used on non-Hermes atm
+  for (let i = 0; i < length; i++) arr[i] = str.charCodeAt(i)
+  return arr
+}
+
+/* eslint-enable @exodus/mutable/no-param-reassign-prop-only */
+
+export const encodeCharcodes = isHermes ? encodeCharcodesHermes : encodeCharcodesPure