Complete Email Sortierer implementation with Appwrite and Stripe integration

server/node_modules/@exodus/bytes/utf8.js

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+import { assertUint8 } from './assert.js'
+import { typedView } from './array.js'
+import { isHermes, nativeDecoder, nativeEncoder, E_STRING } from './fallback/_utils.js'
+import { asciiPrefix, decodeLatin1 } from './fallback/latin1.js'
+import * as js from './fallback/utf8.js'
+
+const { TextDecoder, decodeURIComponent, escape } = globalThis // Buffer is optional
+// ignoreBOM: true means that BOM will be left as-is, i.e. will be present in the output
+// We don't want to strip anything unexpectedly
+const decoderLoose = nativeDecoder
+const decoderFatal = nativeDecoder
+  ? new TextDecoder('utf-8', { ignoreBOM: true, fatal: true })
+  : null
+const { isWellFormed } = String.prototype
+
+const { E_STRICT, E_STRICT_UNICODE } = js
+
+const shouldUseEscapePath = isHermes // faster only on Hermes, js path beats it on normal engines
+
+function deLoose(str, loose, res) {
+  if (loose || str.length === res.length) return res // length is equal only for ascii, which is automatically fine
+  if (isWellFormed) {
+    // We have a fast native method
+    if (isWellFormed.call(str)) return res
+    throw new TypeError(E_STRICT_UNICODE)
+  }
+
+  // Recheck if the string was encoded correctly
+  let start = 0
+  const last = res.length - 2
+  // Search for EFBFBD
+  while (start < last) {
+    const pos = res.indexOf(0xef, start)
+    if (pos === -1) break
+    start = pos + 1
+    if (res[pos + 1] === 0xbf && res[pos + 2] === 0xbd) {
+      // Found a replacement char in output, need to recheck if we encoded the input correctly
+      if (str !== decode(res)) throw new TypeError(E_STRICT_UNICODE)
+      return res
+    }
+  }
+
+  return res
+}
+
+function encode(str, loose = false) {
+  if (typeof str !== 'string') throw new TypeError(E_STRING)
+  if (str.length === 0) return new Uint8Array() // faster than Uint8Array.of
+  if (nativeEncoder) return deLoose(str, loose, nativeEncoder.encode(str))
+  // No reason to use unescape + encodeURIComponent: it's slower than JS on normal engines, and modern Hermes already has TextEncoder
+  return js.encode(str, loose)
+}
+
+function decode(arr, loose = false) {
+  assertUint8(arr)
+  if (arr.byteLength === 0) return ''
+  if (nativeDecoder) return loose ? decoderLoose.decode(arr) : decoderFatal.decode(arr) // Node.js and browsers
+
+  // 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 + js.decode(arr, loose, prefix.length)
+}
+
+export const utf8fromString = (str, format = 'uint8') => typedView(encode(str, false), format)
+export const utf8fromStringLoose = (str, format = 'uint8') => typedView(encode(str, true), format)
+export const utf8toString = (arr) => decode(arr, false)
+export const utf8toStringLoose = (arr) => decode(arr, true)