initial commit

psitransfer-v2.3.0/lib/tusboy/tus-metadata.js

@@ -0,0 +1,24 @@
+const toObject = require('to-object-reducer');
+
+// return object
+const base64decode = str => Buffer.from(str, 'base64').toString('utf8')
+const base64encode = str => Buffer.from(str, 'utf8').toString('base64')
+
+module.exports.decode = (str = '') => {
+  const keypairs = str
+    .split(',')
+  // .map(s => s.trim())
+  const keyvals = keypairs
+    .map(s => s.split(' '))
+    .filter(arr => arr.length === 2)
+    .filter(([key]) => key !== '')
+    .map(([key, val]) => [key, base64decode(val)])
+  return keyvals.reduce(toObject, {})
+}
+
+module.exports.encode = (obj = {}) => Object
+  .keys(obj)
+  .map(key => [key, obj[key]])
+  .map(([key, val]) => [key, base64encode(val)])
+  .map(kvArr => kvArr.join(' '))
+  .join(',')