#1547 Remove usage of crypto libraries

src/diagrams/git/gitGraphAst.js

@@ -1,5 +1,5 @@
 import { logger } from '../../logger';
-
+import { random } from '../../utils';
 let commits = {};
 let head = null;
 let branches = { master: head };
@@ -7,18 +7,8 @@ let curBranch = 'master';
 let direction = 'LR';
 let seq = 0;
 
-function makeid(length) {
-  var result = '';
-  var characters = '0123456789abcdef';
-  var charactersLength = characters.length;
-  for (var i = 0; i < length; i++) {
-    result += characters.charAt(Math.floor(Math.random() * charactersLength));
-  }
-  return result;
-}
-
 function getId() {
-  return makeid(7);
+  return random({ length: 7 });
 }
 
 function isfastforwardable(currentCommit, otherCommit) {

src/utils.js

@@ -15,7 +15,7 @@ import {
 import { logger } from './logger';
 import { sanitizeUrl } from '@braintree/sanitize-url';
 import common from './diagrams/common/common';
-import cryptoRandomString from 'crypto-random-string';
+// import cryptoRandomString from 'crypto-random-string';
 
 // Effectively an enum of the supported curve types, accessible by name
 const d3CurveTypes = {
@@ -408,8 +408,18 @@ export const generateId = () => {
   );
 };
 
+function makeid(length) {
+  var result = '';
+  var characters = '0123456789abcdef';
+  var charactersLength = characters.length;
+  for (var i = 0; i < length; i++) {
+    result += characters.charAt(Math.floor(Math.random() * charactersLength));
+  }
+  return result;
+}
+
 export const random = options => {
-  return cryptoRandomString(options);
+  return makeid(options.length);
 };
 
 /**