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elastic-search-builder

v0.1.0

Published

An elasticsearch search option builder.

Downloads

26

Readme

Elasticsearch Builder

Build Status Coverage Status

This lib working with elasticsearch.js, flatten search params and query bodies.

Installation

npm install elastic-search-builder --save

Documentation

Usage

/* in ES 5 */
const elasticsearch = require('elasticsearch');
const esb = require('elastic-search-builder');
/* in ES6 */
import elasticsearch from 'elasticsearch';
import esb from 'elastic-search-builder';
/* new elasticsearch client */
const client = new elasticsearch.Client({
  host: 'localhost:9200'
});
/* build search params by elastic-search-builder */
const searchParams = esb()
   .option()
   .indices(['2016.01.01'])
   .body()
   .query({
      match: {
         dialogs: 'hello world'
      }
   }).build();
client.search(searchParams).then(body => {
   console.log(body);
})

Bool Query

esb()
  .body()
  .query()
  .bool()
  .boolMust({
    "term" : { "user" : "kimchy" }
  }, {
    "term" : { "user" : "blob" }
  })
  .boolNot([{
    "term": { "user": "john" }
  },{
    "term": { "user": "belly" }
  }])
  .build();

// {
//   body: {
//      query: {
//         bool: {
//            must: [
//               {
//                  "term" : { "user" : "kimchy" }
//               },
//               {
//                  "term" : { "user" : "blob" }
//               }
//            ],
//            must_not: [
//               {
//                  "term": { "user": "john" }
//               },
//               {
//                  "term": { "user": "belly" }
//               }
//            ]
//         }
//      }
//   }
// }

Aggregation

basic usage

esb()
  .body()
  .aggs()
  .appendAggs('all_name', 'terms', {
    "field": "name"
  })
  .subAggs()
  .appendAggs('all_gender', 'terms', {
      "field": "gender"
   })
   .subAggs()
   .appendAggs('all_city', 'terms', {
      "field": "city"
   })
   .build()

// {
//   "aggs": {
//     "all_name": {
//       "terms": {
//         "field": "name"
//       },
//       "aggs": {
//         "all_gender": {
//           "terms": {
//             "field": "gender"
//           },
//           "aggs": {
//               "all_city": {
//                  "terms": {
//                       "field": "city"
//                   }
//                }
//            }
//         }
//       }
//     }
//   }
// }

advanced usage

build nested aggragation without callback

esb()
   .body()
   .aggs()
   .appendAggs('by_gender', 'terms', {
    "field": "gender"
    })
    .subAggs()
    .forkAggs()
    .appendAggs('by_city', 'terms', {
        "field": "city"
    })
    .subAggs()
    .appendAggs('all_name', 'terms', {
        "field": "name"
    })
    .mergeAggs()
    .appendAggs('by_language', 'terms', {
        "field": "language"
    })
    .subAggs()
    .appendAggs('all_name', 'terms', {
        "field": "name"
    })
   .build()

// {
//   "aggs": {
//       "by_gender": {
//           "terms": {
//             "field": "gender"
//           },
//           "aggs": {
//             "by_city": {
//                 "terms": {
//                     "field": "city"
//                 },
//                 "aggs": {
//                   "all_name": {
//                     "terms": {
//                       "field": "name"
//                     }
//                   }
//                 }
//             },
//             "by_language": {
//                   "terms": {
//                     "field": "language"
//                   },
//                   "aggs": {
//                     "all_name": {
//                         "terms": {
//                           "field": "name"
//                         }
//                     }
//                   }
//             }
//           }
//       }
//   }
}

Development

debug with browser

npm run dev

run test

npm run test

build documentation

npm run build:docs

Manully publish to npm

npm login
npm publish