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Fixes UUID incompatibility with webworkers

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This commit is contained in:
Matt C 2017-12-18 09:53:23 +00:00
parent 021cae1a95
commit 4b29a61065
1 changed files with 12 additions and 19 deletions
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31
src/core/operations/UUID.js
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@ -1,3 +1,4 @@
import crypto from "crypto";
/**
* UUID operations.
*
@ -17,25 +18,17 @@ const UUID = {
* @returns {string}
*/
runGenerateV4: function(input, args) {
if (window && typeof(window.crypto) !== "undefined" && typeof(window.crypto.getRandomValues) !== "undefined") {
let buf = new Uint32Array(4),
i = 0;
window.crypto.getRandomValues(buf);
return "xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx".replace(/[xy]/g, function(c) {
let r = (buf[i >> 3] >> ((i % 8) * 4)) & 0xf,
v = c === "x" ? r : (r & 0x3 | 0x8);
i++;
return v.toString(16);
});
} else {
return "xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx".replace(/[xy]/g, function(c) {
let r = Math.random() * 16 | 0,
v = c === "x" ? r : (r & 0x3 | 0x8);
return v.toString(16);
});
}
},
const buf = new Uint32Array(4).map(() => {
return crypto.randomBytes(4).readUInt32BE(0, true);
});
let i = 0;
return "xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx".replace(/[xy]/g, function(c) {
let r = (buf[i >> 3] >> ((i % 8) * 4)) & 0xf,
v = c === "x" ? r : (r & 0x3 | 0x8);
i++;
return v.toString(16);
});
}
};
export default UUID;