COTOHA でキーワードの抽出 (Node.js)

$ tree -a
.
├── akai_rousoku.txt
├── .env
├── get_config.js
├── get_token.js
└── key_word.js

#! /usr/bin/node
// ---------------------------------------------------------------
//
//  key_word.js
//
//                  Feb/23/2020
//
// ---------------------------------------------------------------
var fs = require("fs")
var get_config = require('./get_config.js')
var get_token = require('./get_token.js')
// ---------------------------------------------------------------
function key_word_proc(config,doc)
{
    var Client = require('node-rest-client').Client

    const headers={
        "Content-Type": "application/json",
        "Authorization": "Bearer " + config.access_token
        }

    const data = {
        "document": doc,
        "type": "default"
        }

    const str_json = JSON.stringify (data)

    const url = config.developer_api_base + "v1/keyword"

    const args = {
        data: str_json,
        headers: headers
        }

    var client = new Client()

    client.post(url, args, function (data, response) {
    llx = data["result"].length
    console.log("llx = " + llx)
    for (it in data["result"])
        {
        const unit = data["result"][it]
        console.log(unit['form'] + "\t" + unit['score'])
        }
        console.error ("*** 終了 ***")
    })
}

// ---------------------------------------------------------------
console.error ("*** 開始 ***")

const filename=process.argv[2]
console.error (filename)

if (fs.existsSync(filename))
    {
    const doc = fs.readFileSync (filename,'utf8')

    const config = get_config.get_config_proc()

    try
        {
        get_token.get_token_proc(config,doc,key_word_proc)
        }
    catch (error)
        {
        console.error ("*** error *** from get_token_proc ***")
        console.error (error)
        }
    }
else
    {
    console.error ("*** error *** " + filename + " doesn't exist. ***")
    }
// ---------------------------------------------------------------

export NODE_PATH=/usr/lib/node_modules
./key_word.js akai_rousoku.txt