[英]SyntaxError: Unexpected token . when trying to get process.env node.js
所以我正在嘗試實現elasticsearch
const express = require('express');
const cookieParser = require('cookie-parser');
const bodyParser = require('body-parser');
const hbs = require('hbs');
const expressValidator = require('express-validator');
const flash = require('connect-flash');
const session = require('express-session');
const passport = require('passport');
const LocalStrategy = require('passport-local').Strategy;
const mongoose = require('mongoose');
const fs = require('fs');
const sslRedirect = require('heroku-ssl-redirect');
const elasticsearch = require('elasticsearch');
var app = express();
// elasticsearch
var connectionString = process.env.SEARCHBOX_URL;
var client = new elasticsearch.Client({
if (process.env.NODE_ENV === 'production') {
hosts: connectionString
} else {
hosts: ['http://localhost:9200']
}
});
client.ping({
requestTimeout: 30000,
}, function(error) {
if (error) {
console.error('elasticsearch cluster is down!');
} else {
console.log('Everything is ok');
}
});
但是我收到以下錯誤。
if (process.env.NODE_ENV === 'production') {
^
SyntaxError: Unexpected token .
我看了看如何在各個地方獲得環境,並且我以相同的方式來做。 所以不確定為什么錯誤會在這里拋出。
您的語法無效。 如果需要條件使用三元運算符 :
const isProduction = process.env.NODE_ENV === 'production'
const client = new elasticsearch.Client({
hosts: isProduction ? connectionString : ['http://localhost:9200']
});
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