feat: Add 'uuid' column type to generate ids at import time

Author: jezhiggins

lib/Transformer.js

@@ -2,6 +2,7 @@
 
 const csvStringify = require('csv-string').stringify
 const hashFunction = require('./hash-function')
+const uuidFunction = require('./uuid-function')
 
 class Transformer {
   constructor (fileConfig) {
@@ -19,6 +20,9 @@ class Transformer {
             case 'hash':
               _this.columnFunctions.push(hashFunction)
               break
+            case 'uuid':
+              _this.columnFunctions.push(uuidFunction)
+              break
             default:
               console.error('ERROR: Unknown outputColumnType ' + outputColumnType)
           }

lib/uuid-function.js

@@ -0,0 +1,5 @@
+const uuidV4 = require('uuid/v4');
+
+module.exports = function uuidFunction () {
+  return uuidV4()
+}

package.json

@@ -32,7 +32,8 @@
     "lodash": "4.17.10",
     "make-dir": "1.3.0",
     "pump": "3.0.0",
-    "upath": "1.1.0"
+    "upath": "1.1.0",
+    "uuid": "^3.3.2"
   },
   "devDependencies": {
     "chai": "4.1.2",