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sequential-ids npm

AhMed MansouR answered on September 29, 2023 Popularity 1/10 Helpfulness 1/10

answer sequential-ids npm

sequential-ids npm

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// assuming `db` is a variable holding a database connection with the
// method `.store(key, value)`
// a '__default' key is created by default
 
var sequential = require("sequential-ids");
 
var generator = new sequential.Generator({
  digits: 6, letters: 3,
  store: function(key, ids) {
    db.store(key, ids[ids.length - 1]);
  },
  restore: "AAB - 000"
});
 
generator.add('otherKey', {
  digits : 3, letters: 1,
  store: function(key, ids) {
    db.store(key, ids[ids.length - 1]);
  },
  restore: "A - 00"
});
 
generator.start();
var new_id_1   = generator.generate();           // => AAB - 001
var new_id_2   = generator.generate();           // => AAB - 002
// ...
var other_id_1 = generator.generate('otherKey'); // => A - 01
var other_id_2 = generator.generate('otherKey'); // => A - 02
// ...
 
// possibly in another file
var accessor = new sequential.Accessor();
accessor.next(function(err, id) {
  console.log("new id: %s", id); // => AAB - 003
});
 
accessor.next('otherKey',function(err, id) {
  console.log("new id (otherKey): %s", id); // => A - 03
});

Popularity 1/10 Helpfulness 1/10 Language javascript

Source: www.npmjs.com

Tags: javascript npm

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Contributed on Sep 29 2023

AhMed MansouR

0 Answers Avg Quality 2/10

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