From 76cb9c2a39d477a64824a985ade40507e3bbade1 Mon Sep 17 00:00:00 2001
From: Adam Mathes <adam@adammathes.com>
Date: Fri, 13 Feb 2026 21:34:48 -0800
Subject: feat(vanilla): add testing infrastructure and tests (NK-wjnczv)

---
 .../node_modules/@exodus/bytes/fallback/percent.js | 31 ++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 vanilla/node_modules/@exodus/bytes/fallback/percent.js

(limited to 'vanilla/node_modules/@exodus/bytes/fallback/percent.js')

diff --git a/vanilla/node_modules/@exodus/bytes/fallback/percent.js b/vanilla/node_modules/@exodus/bytes/fallback/percent.js
new file mode 100644
index 0000000..c024d90
--- /dev/null
+++ b/vanilla/node_modules/@exodus/bytes/fallback/percent.js
@@ -0,0 +1,31 @@
+import { decodeAscii, encodeLatin1 } from './latin1.js'
+import { decode2string } from './platform.js'
+
+const ERR = 'percentEncodeSet must be a string of unique increasing codepoints in range 0x20 - 0x7e'
+const percentMap = new Map()
+let hex, base
+
+export function percentEncoder(set, spaceAsPlus = false) {
+  if (typeof set !== 'string' || /[^\x20-\x7E]/.test(set)) throw new TypeError(ERR)
+  if (typeof spaceAsPlus !== 'boolean') throw new TypeError('spaceAsPlus must be boolean')
+  const id = set + +spaceAsPlus
+  const cached = percentMap.get(id)
+  if (cached) return cached
+
+  const n = encodeLatin1(set).sort() // string checked above to be ascii
+  if (decodeAscii(n) !== set || new Set(n).size !== n.length) throw new TypeError(ERR)
+
+  if (!base) {
+    hex = Array.from({ length: 256 }, (_, i) => `%${i.toString(16).padStart(2, '0').toUpperCase()}`)
+    base = hex.map((h, i) => (i < 0x20 || i > 0x7e ? h : String.fromCharCode(i)))
+  }
+
+  const map = base.slice() // copy
+  for (const c of n) map[c] = hex[c]
+  if (spaceAsPlus) map[0x20] = '+' // overrides whatever percentEncodeSet thinks about it
+
+  // Input is not typechecked, for internal use only
+  const percentEncode = (u8, start = 0, end = u8.length) => decode2string(u8, start, end, map)
+  percentMap.set(id, percentEncode)
+  return percentEncode
+}
-- 
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