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