ref https://github.com/fergiemcdowall/search-index/issues/519

519.js

// ref https://github.com/fergiemcdowall/search-index/issues/519
// run
// > npm init
// > npm install search-index tape
// > node 519.js


const si = require('search-index')
const test = require('tape')
const indexName = '_519'

const data = [{
  "_id": "4KmtfEtD1sTTVz4e3MOUiRXnR4M4hP2X",
  "idx": ["音","切实","百","音","例","么","已","车","还","做","公","此","则","土","期","时","列","同","金","特","资","半点","主题","并","当","交","复","县","产","出","权","林","史","年","学","打","达","习","速回","志","本","习","即","三十","近","方","心","图","名","高","果","技","存","现","由","四","真","市","参","部","证","育","走","始","具","按","行","变","了","件","党格","业","战","专","解","程","四世","高","断","要","单子","法","法","查","历","位","表","书","石","百","对","部","程","义","在","今","展","权","本","矿","了","易","代","意","器","何","约","始","长","太","七","目","济","如","委","京","和","严","儿","况","拉","者","周","应","应","音","样","内","造","存"]
}, {
  "_id": "S0iYuV3mj1Up6u1vKPor0q4K6lJgvw3p",
  "idx": ["边","次","办","解度","总","布","圆","长","争","五","电","界","算","听","广","族","须","太","性","那","京","统","已","工用","产","广","素","华","采","进","它","行","决","量","个","布","技","张","身","极","农","选","队","斯","解","消","会","美","收","越","把","专美","场","器","验","而","步","极","千","名","民","完","运八","学","局","才","去","只","分数","始","华","家","特","且","改","等","低","发","江","己","心","温表","自","万","体","次","开车","红","广","记","达","但","亲","约","能","心","值","对","如","议","世","基","开","是","律","经理","权","主","头","派"]
}, {
  "_id": "qZ36wBEIniK1drbRB2mpFA1BmwxATA5A",
  "idx": ["件","用","备","片","或","林","院","育","导","工","术","完","门","合","红","各","具","本","九","光点","平","选","者","片","各","中","们","走","者","据","角","美国","断","两","时","高","列","相","据","米","员","打","科","在","计","究","进","使","发","基","别题","在","变","放","位","而","内","流","资","单易","务","法","领","被","着","单","规","类","路","三","对","制","育","始","想","农","特","律","计划","次","真","去","始","力","号","持","多","委","节","没准","系","老","由","识","办","和","元","斯","军","支","身","张","共","收","新","家","到","政","经过","百","边","管","定","开","住","即","江"]
}]

test('create a search index', t => {
  t.plan(1)
  si({
    name: indexName,
    storeVectors: true
  }).then(db => {
    global[indexName] = db
    t.pass('ok')
  })
})

test('can add some data', t => {
  const { PUT } = global[indexName]
  t.plan(1)
  PUT(data).then(() => {
    t.pass('ok')
  })
})

test('can search for 音 and 切实', t => {
  const { QUERY } = global[indexName]
  t.plan(1)
  QUERY({
    SEARCH: [ '音', '切实' ]
  }).then(result => t.deepEquals(result, {
    "RESULT": [
      {
        "_id": "4KmtfEtD1sTTVz4e3MOUiRXnR4M4hP2X",
        "_match": [
          "idx:音#1.00",
          "idx:切实#0.33"
        ],
        "_score": 1.84
      }
    ],
    "RESULT_LENGTH": 1
  }))
})

test('dump all documents', t => {
  const { ALL_DOCUMENTS } = global[indexName]
  t.plan(1)
  ALL_DOCUMENTS().then(docs => {
    console.log(JSON.stringify(docs, null, 2))
    t.deepEquals(docs.map(d => d._doc), data)
  })                    
})