Beta 7 with some repo names changed.

Client/node_modules/multibase/src/base32.js

@@ -0,0 +1,81 @@
+'use strict'
+
+function decode (input, alphabet) {
+  input = input.replace(new RegExp('=', 'g'), '')
+  const length = input.length
+
+  let bits = 0
+  let value = 0
+
+  let index = 0
+  const output = new Uint8Array((length * 5 / 8) | 0)
+
+  for (let i = 0; i < length; i++) {
+    value = (value << 5) | alphabet.indexOf(input[i])
+    bits += 5
+
+    if (bits >= 8) {
+      output[index++] = (value >>> (bits - 8)) & 255
+      bits -= 8
+    }
+  }
+
+  return output.buffer
+}
+
+function encode (buffer, alphabet) {
+  const length = buffer.byteLength
+  const view = new Uint8Array(buffer)
+  const padding = alphabet.indexOf('=') === alphabet.length - 1
+
+  if (padding) {
+    alphabet = alphabet.substring(0, alphabet.length - 1)
+  }
+
+  let bits = 0
+  let value = 0
+  let output = ''
+
+  for (let i = 0; i < length; i++) {
+    value = (value << 8) | view[i]
+    bits += 8
+
+    while (bits >= 5) {
+      output += alphabet[(value >>> (bits - 5)) & 31]
+      bits -= 5
+    }
+  }
+
+  if (bits > 0) {
+    output += alphabet[(value << (5 - bits)) & 31]
+  }
+
+  if (padding) {
+    while ((output.length % 8) !== 0) {
+      output += '='
+    }
+  }
+
+  return output
+}
+
+module.exports = function base32 (alphabet) {
+  return {
+    encode (input) {
+      if (typeof input === 'string') {
+        return encode(Uint8Array.from(input), alphabet)
+      }
+
+      return encode(input, alphabet)
+    },
+    decode (input) {
+      for (const char of input) {
+        if (alphabet.indexOf(char) < 0) {
+          throw new Error('invalid base32 character')
+        }
+      }
+
+      return decode(input, alphabet)
+    }
+  }
+}