| 1 | through2 = require 'through2'
|
| 2 | mixin = require './mixin'
|
| 3 |
|
| 4 |
|
| 5 | flatten = (a) -> [].concat.apply [], a
|
| 6 |
|
| 7 |
|
| 8 | toBulk = -> through2.obj (doc, enc, callback) ->
|
| 9 | this.push mapping:doc
|
| 10 | callback()
|
| 11 |
|
| 12 |
|
| 13 | jsonStream = -> through2.obj (chunk, enc, callback) ->
|
| 14 | this.push(JSON.stringify(chunk) + "\n")
|
| 15 | callback()
|
| 16 |
|
| 17 |
|
| 18 | module.exports = (client, _opts) ->
|
| 19 |
|
| 20 | opts = mixin _opts
|
| 21 |
|
| 22 | instream = toBulk()
|
| 23 | sink = instream.write.bind instream
|
| 24 |
|
| 25 | exec = ->
|
| 26 | client.indices.getMapping(opts).then (v) ->
|
| 27 | for index, {mappings} of v
|
| 28 | for type, mapping of mappings
|
| 29 | {_index:index, _type:type, _mapping:mapping}
|
| 30 | .then flatten
|
| 31 |
|
| 32 | exec().then (docs) ->
|
| 33 | docs.forEach sink
|
| 34 | .catch (err) ->
|
| 35 | stream.emit 'error', err
|
| 36 |
|
| 37 | stream = instream.pipe jsonStream()
|