dcollect v1.0.4

dcollect

Demo object

let o = [{
        make: "audi",
        model: "r8",
        year: "2012"
    },
    {
        make: "audi",
        model: "rs5",
        year: "2013"
    },
    {
        make: "ford",
        model: "mustang",
        year: "2012"
    },
    {
        make: "ford",
        model: "fusion",
        year: "2015"
    },
    {
        make: "kia",
        model: "optima",
        year: "2012"
    }];

where
where(field, condition, target)

let collect = new dcollect(o);
let filter = collect.query().where("year", "=", "2012").get();
console.log(filter);
/* out
 data: [
    { make: 'audi', model: 'r8', year: '2012' },
    { make: 'ford', model: 'mustang', year: '2012' },
    { make: 'kia', model: 'optima', year: '2012' }
  ]
*/

whereLike
whereLike(field, target, i = false)

let collect = new dcollect(o);
let filter = collect.query().whereLike("make", "ford").get();
console.log(filter);
/* out
[
  { make: 'ford', model: 'mustang', year: '2012' },
  { make: 'ford', model: 'fusion', year: '2015' }
]
*/

let collect = new dcollect(o);
let filter = collect.query().whereLike("make", "Ford").get();
console.log(filter);
/* out
[]
*/

let collect = new dcollect(o);
let filter = collect.query().whereLike("make", "Ford", true).get();
console.log(filter);
/* out
[
  { make: 'ford', model: 'mustang', year: '2012' },
  { make: 'ford', model: 'fusion', year: '2015' }
]
*/

whereIn
whereIn(field, data)

let collect = new dcollect(o);
let filter = collect.query().whereIn("make", ["ford", "kia"]).get();
console.log(filter);
/* out
[
  { make: 'ford', model: 'mustang', year: '2012' },
  { make: 'ford', model: 'fusion', year: '2015' },
  { make: 'kia', model: 'optima', year: '2012' }
]
*/

whereNotIn
whereIn(field, data)

let collect = new dcollect(o);
let filter = collect.query().whereNotIn("make", ["ford", "kia"]).get();
console.log(filter);
/* out
[
  { make: 'audi', model: 'r8', year: '2012' },
  { make: 'audi', model: 'rs5', year: '2013' }
]
*/

rawFilter
rawFilter(callback)

let collect = new dcollect(o);
let filter = collect.query().rawFilter(function(item) {
  return item.model === "mustang";
}).get();
console.log(filter);
/* out
[ { make: 'ford', model: 'mustang', year: '2012' } ]
*/

orderBy
orderBy(field, sortType)
sortType : asc||desc

let collect = new dcollect(o);
let filter = collect.query().orderBy("year", "asc").get();
console.log(filter);
/* out
[
  { make: 'audi', model: 'r8', year: '2012' },
  { make: 'ford', model: 'mustang', year: '2012' },
  { make: 'kia', model: 'optima', year: '2012' },
  { make: 'audi', model: 'rs5', year: '2013' },
  { make: 'ford', model: 'fusion', year: '2015' }
]
*/

let collect = new dcollect(o);
let filter = collect.query().orderBy("year", "desc").get();
console.log(filter);
/* out
[
  { make: 'ford', model: 'fusion', year: '2015' },
  { make: 'audi', model: 'rs5', year: '2013' },
  { make: 'audi', model: 'r8', year: '2012' },
  { make: 'ford', model: 'mustang', year: '2012' },
  { make: 'kia', model: 'optima', year: '2012' }
]
*/

groupBy
`groupBy(field)

let collect = new dcollect(o);
let filter = collect.query().groupBy("make").get();
console.log(filter);
/* out
[
  audi: [
    { make: 'audi', model: 'r8', year: '2012' },
    { make: 'audi', model: 'rs5', year: '2013' }
  ],
  ford: [
    { make: 'ford', model: 'mustang', year: '2012' },
    { make: 'ford', model: 'fusion', year: '2015' }
  ],
  kia: [ { make: 'kia', model: 'optima', year: '2012' } ]
]
*/

count

let collect = new dcollect(o);
let filter = collect.query().count();
console.log(filter);
/* out: 5 */

sum
sum(field)

let collect = new dcollect(o);
let filter = collect.query().sum("year");
console.log(filter);
/* out: 10064 */

example

chain use

let collect = new dcollect(o);
let filter = collect.query()
    .where("year", "=", "2012")
    .whereLike("make", "audi")
    .get();
console.log(filter);
/* out:
  [ { make: 'audi', model: 'r8', year: '2012' } ]
*/

let collect = new dcollect(o);
let filter = collect.query()
    .where("year", "=", "2012")
    .orderBy("make", "asc")
    .get();
console.log(filter);
/* out:
[
  { make: 'audi', model: 'r8', year: '2012' },
  { make: 'ford', model: 'mustang', year: '2012' },
  { make: 'kia', model: 'optima', year: '2012' }
]
*/