yonote/yjs
23
0
Fork 0
Code Pull Requests 1 Releases Activity

implement generateUserId for node & clients that dont support crypto

Browse Source
This commit is contained in:
Kevin Jahns 2017-07-22 18:37:48 +02:00
parent a19cfa1465
commit c97130abc4
1 changed files with 12 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
src/Utils.js
View File

@ -821,9 +821,18 @@ export default function Utils (Y) {
Y.utils.createSmallLookupBuffer = createSmallLookupBuffer Y.utils.createSmallLookupBuffer = createSmallLookupBuffer
function generateUserId () { function generateUserId () {
let arr = new Uint32Array(1) if (crypto.getRandomValue != null) {
crypto.getRandomValues(arr) // browser
return arr[0] let arr = new Uint32Array(1)
crypto.getRandomValues(arr)
return arr[0]
} else if (crypto.randomBytes != null) {
// node
let buf = crypto.randomBytes(4)
return new Uint32Array(buf.buffer)[0]
} else {
Math.ceil(Math.random() * 0xFFFFFFFF)
}
} }
Y.utils.generateUserId = generateUserId Y.utils.generateUserId = generateUserId
} }