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Added Buffer type for uuid parameter of time func #2

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Added Buffer type for uuid parameter of time func #2

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9 changes: 7 additions & 2 deletions index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -40,14 +40,19 @@ exports.gen = function gen(date, epoch){
* druuid.time(11142943683383068069);
* // => Sat Feb 04 2012 00:00:00 GMT-0800 (PST)
*
* @param {BigInt|Number|String} uuid
* @param {BigInt|Number|String|Buffer} uuid
* @param {Number} [epoch=druuid.epoch] offset
* @return {Date} when UUID was generated
* @public
*/

exports.time = function(uuid, epoch){
if (!epoch) epoch = exports.epoch;
var ms = bignum(uuid).shiftRight(64 - 41).toNumber();
if (typeof(Buffer) != 'undefined' && uuid instanceof Buffer) {
var bn = bignum.fromBuffer(uuid);
} else {
bn = bignum(uuid);
}
var ms = bn.shiftRight(64 - 41).toNumber();
return new Date(ms + epoch);
};
2 changes: 1 addition & 1 deletion package.json
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@@ -1,6 +1,6 @@
{
"name": "druuid",
"version": "1.3.0",
"version": "1.3.1",
"description": "Date-relative UUIDs",
"contributors": [
"Stephen Celis <[email protected]>"
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7 changes: 7 additions & 0 deletions test/druuid.test.js
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Expand Up @@ -66,5 +66,12 @@ describe('druuid', function(){
});
after(function(){ druuid.epoch = oldEpoch; });
});

context('with uuid as Buffer', function() {
var buffer = bignum(uuid).toBuffer();
it('determines when a UUID was generated', function(){
druuid.time(buffer).should.eql(datetime);
});
});
});
});