Implement misc and tests

index.ts

@@ -0,0 +1,26 @@
+import {Result} from 'result'
+
+export function a2str(buf: Uint8Array) : string {
+    // @ts-ignore
+    return String.fromCharCode.apply(null, buf)
+}
+export function str2a(str: string) : Uint8Array {
+    const buf = new Uint8Array(str.length)
+
+    for (let i= 0, strLen = str.length; i < strLen; i++) {
+        buf[i] = str.charCodeAt(i)
+    }
+
+    return buf
+}
+
+export function a2b64(buf: Uint8Array) : string {
+    return btoa(a2str(buf))
+}
+export function b642a(b64: string) : Result<Uint8Array> {
+    try {
+        return Result.ok(str2a(atob(b64)))
+    } catch (e) {}
+
+    return Result.error([])
+}