44 lines
1.1 KiB
JavaScript
44 lines
1.1 KiB
JavaScript
const path = require('path');
|
|
const Field = require('./field.js');
|
|
|
|
let instance = null;
|
|
|
|
class Config {
|
|
constructor() {
|
|
this.location = Config.determineLocation();
|
|
this.fields = require(`${this.location}`);
|
|
}
|
|
|
|
static getInstance() {
|
|
if (instance == null) {
|
|
instance = new Config();
|
|
}
|
|
return instance;
|
|
}
|
|
|
|
static determineLocation() {
|
|
return path.join(__dirname, '..', '..', process.env.SEASONED_CONFIG);
|
|
}
|
|
|
|
get(section, option) {
|
|
if (this.fields[section] === undefined || this.fields[section][option] === undefined) {
|
|
throw new Error(`Filed "${section} => ${option}" does not exist.`);
|
|
}
|
|
|
|
const field = new Field(this.fields[section][option]);
|
|
|
|
if (field.value === '') {
|
|
const envField = process.env[['SEASONED', section.toUpperCase(), option.toUpperCase()].join('_')];
|
|
if (envField !== undefined && envField.length !== 0) { return envField; }
|
|
}
|
|
|
|
if (field.value === undefined) {
|
|
throw new Error(`${section} => ${option} is empty.`);
|
|
}
|
|
|
|
return field.value;
|
|
}
|
|
}
|
|
|
|
module.exports = Config;
|