Marc Mintel
5397309103
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73 lines
2.7 KiB
Plaintext
73 lines
2.7 KiB
Plaintext
BSON ObjectID [](https://travis-ci.org/williamkapke/bson-objectid)
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=============
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This module allows you to create and parse `ObjectID`s without a reference to the
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[mongodb](https://github.com/mongodb/node-mongodb-native) or [bson](https://github.com/mongodb/js-bson)
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modules.
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The goal is to be 100% compatable with all [bson](https://github.com/mongodb/js-bson)'s
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public API implementation (found here: https://github.com/mongodb/js-bson/blob/main/src/objectid.ts).
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## Install
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$ npm install bson-objectid
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## Usage
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```javascript
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var ObjectID = require("bson-objectid");
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console.log(ObjectID());
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console.log(ObjectID("54495ad94c934721ede76d90"));
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console.log(ObjectID(1414093117));//time
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console.log(ObjectID([ 84, 73, 90, 217, 76, 147, 71, 33, 237, 231, 109, 144 ]));
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console.log(ObjectID(new Buffer([ 84, 73, 90, 217, 76, 147, 71, 33, 237, 231, 109, 144 ])));
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```
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### ObjectID()<br>ObjectID(time)<br>ObjectID(hexString)<br>ObjectID(idString)<br>ObjectID(array)<br>ObjectID(buffer)
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Creates a new immutable `ObjectID` instance based on the current system time.
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Possible arguments:<br>
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**time** Constructs the instance based on the specified time (in seconds).<br>
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**hexString** Constructs the instance from a 24 character hex string.<br>
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**idString** Constructs the instance from a 12 byte string.<br>
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**array** Constructs the instance from an `Array` of 24 bytes.<br>
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**buffer** Constructs the instance from a 24 byte `Buffer` instance.<br>
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#### id
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**returns** the 12 byte id string.
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#### str
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#### toHexString()
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**returns** the `ObjectID` represented as a 24 character hex string.
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#### equals(other)
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**returns** true if the `ObjectID`s represent the same underlying value. Otherwise false.
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#### getTimestamp()
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**returns** the generation `Date` (accurate up to the second) that this `ObjectID` was generated.
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### ObjectID.createFromTime(time)
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Creates an ObjectID from a time (in seconds) `Number`, with the rest of the `ObjectID` zeroed out. Used for comparisons or sorting the ObjectID.
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### ObjectID.createFromHexString(hexString)
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Creates an ObjectID from a 24 character hex string.
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### ObjectID.isValid(hexString)<br>ObjectID.isValid(ObjectID)
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Checks if a value is a valid `ObjectID` or 24 character hex string.
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> THE NATIVE DOCUMENTATION ISN'T CLEAR ON THIS GUY!<br>
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> See: http://mongodb.github.io/node-mongodb-native/api-bson-generated/objectid.html#objectid-isvalid
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## Test
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mocha
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or
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npm test
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License
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=======
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Apache v2.0
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See LICENSE file.
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Special callout to [@feross](https://github.com/feross) for the [is-buffer](https://github.com/feross/is-buffer) code
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used internally to avoid Buffer from being loaded in browserify environments.
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