Complete Email Sortierer implementation with Appwrite and Stripe integration

server/node_modules/@exodus/bytes/utf16.js

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+import * as js from './fallback/utf16.js'
+import { canDecoders, isLE, E_STRING } from './fallback/_utils.js'
+
+const { TextDecoder } = globalThis // Buffer is optional
+const ignoreBOM = true
+const decoderFatalLE = canDecoders ? new TextDecoder('utf-16le', { ignoreBOM, fatal: true }) : null
+const decoderLooseLE = canDecoders ? new TextDecoder('utf-16le', { ignoreBOM }) : null
+const decoderFatalBE = canDecoders ? new TextDecoder('utf-16be', { ignoreBOM, fatal: true }) : null
+const decoderLooseBE = canDecoders ? new TextDecoder('utf-16be', { ignoreBOM }) : null
+const decoderFatal16 = isLE ? decoderFatalLE : decoderFatalBE
+const decoderLoose16 = isLE ? decoderLooseLE : decoderFatalBE
+const { isWellFormed, toWellFormed } = String.prototype
+
+const { E_STRICT, E_STRICT_UNICODE } = js
+
+// Unlike utf8, operates on Uint16Arrays by default
+
+const to8 = (a) => new Uint8Array(a.buffer, a.byteOffset, a.byteLength)
+
+function encode(str, loose = false, format = 'uint16') {
+  if (typeof str !== 'string') throw new TypeError(E_STRING)
+  if (format !== 'uint16' && format !== 'uint8-le' && format !== 'uint8-be') {
+    throw new TypeError('Unknown format')
+  }
+
+  const shouldSwap = (isLE && format === 'uint8-be') || (!isLE && format === 'uint8-le')
+
+  // On v8 and SpiderMonkey, check via isWellFormed is faster than js
+  // On JSC, check during loop is faster than isWellFormed
+  // If isWellFormed is available, we skip check during decoding and recheck after
+  // If isWellFormed is unavailable, we check in js during decoding
+  if (!loose && isWellFormed && !isWellFormed.call(str)) throw new TypeError(E_STRICT_UNICODE)
+  const u16 = js.encode(str, loose, !loose && isWellFormed, shouldSwap)
+
+  if (format === 'uint8-le' || format === 'uint8-be') return to8(u16) // Already swapped
+  if (format === 'uint16') return u16
+  throw new Error('Unreachable')
+}
+
+function decode(input, loose = false, format = 'uint16') {
+  let u16
+  switch (format) {
+    case 'uint16':
+      if (!(input instanceof Uint16Array)) throw new TypeError('Expected an Uint16Array')
+      if (canDecoders) return loose ? decoderLoose16.decode(input) : decoderFatal16.decode(input)
+      u16 = input
+      break
+    case 'uint8-le':
+      if (!(input instanceof Uint8Array)) throw new TypeError('Expected an Uint8Array')
+      if (input.byteLength % 2 !== 0) throw new TypeError('Expected even number of bytes')
+      if (canDecoders) return loose ? decoderLooseLE.decode(input) : decoderFatalLE.decode(input)
+      u16 = js.to16input(input, true)
+      break
+    case 'uint8-be':
+      if (!(input instanceof Uint8Array)) throw new TypeError('Expected an Uint8Array')
+      if (input.byteLength % 2 !== 0) throw new TypeError('Expected even number of bytes')
+      if (canDecoders) return loose ? decoderLooseBE.decode(input) : decoderFatalBE.decode(input)
+      u16 = js.to16input(input, false)
+      break
+    default:
+      throw new TypeError('Unknown format')
+  }
+
+  const str = js.decode(u16, loose, (!loose && isWellFormed) || (loose && toWellFormed))
+  if (!loose && isWellFormed && !isWellFormed.call(str)) throw new TypeError(E_STRICT)
+  if (loose && toWellFormed) return toWellFormed.call(str)
+
+  return str
+}
+
+export const utf16fromString = (str, format = 'uint16') => encode(str, false, format)
+export const utf16fromStringLoose = (str, format = 'uint16') => encode(str, true, format)
+export const utf16toString = (arr, format = 'uint16') => decode(arr, false, format)
+export const utf16toStringLoose = (arr, format = 'uint16') => decode(arr, true, format)