feat(vanilla): add testing infrastructure and tests (NK-wjnczv)

1 files changed, 17 insertions, 0 deletions

diff --git a/vanilla/node_modules/@exodus/bytes/hex.js b/vanilla/node_modules/@exodus/bytes/hex.js
new file mode 100644
index 0000000..a99c935
--- /dev/null
+++ b/vanilla/node_modules/@exodus/bytes/hex.js
@@ -0,0 +1,17 @@
+import { typedView } from './array.js'
+import { assertU8 } from './fallback/_utils.js'
+import * as js from './fallback/hex.js'
+
+const { toHex: webHex } = Uint8Array.prototype // Modern engines have this
+
+export function toHex(arr) {
+  assertU8(arr)
+  if (arr.length === 0) return ''
+  if (webHex && arr.toHex === webHex) return arr.toHex()
+  return js.toHex(arr)
+}
+
+// Unlike Buffer.from(), throws on invalid input
+export const fromHex = Uint8Array.fromHex
+  ? (str, format = 'uint8') => typedView(Uint8Array.fromHex(str), format)
+  : (str, format = 'uint8') => typedView(js.fromHex(str), format)