Moved contents of seasoned_api up to root folder

src/config/configuration.js

@@ -0,0 +1,47 @@
+const path = require("path");
+const Field = require("./field.js");
+
+let instance = null;
+
+class Config {
+  constructor() {
+    this.location = Config.determineLocation();
+    this.fields = require(`${this.location}`);
+  }
+
+  static getInstance() {
+    if (instance == null) {
+      instance = new Config();
+    }
+    return instance;
+  }
+
+  static determineLocation() {
+    return path.join(__dirname, "..", "..", process.env.SEASONED_CONFIG);
+  }
+
+  get(section, option) {
+    if (
+      this.fields[section] === undefined ||
+      this.fields[section][option] === undefined
+    ) {
+      throw new Error(`Field "${section} => ${option}" does not exist.`);
+    }
+
+    const field = new Field(this.fields[section][option]);
+
+    const envField =
+      process.env[[section.toUpperCase(), option.toUpperCase()].join("_")];
+    if (envField !== undefined && envField.length !== 0) {
+      return envField;
+    }
+
+    if (field.value === undefined) {
+      throw new Error(`${section} => ${option} is empty.`);
+    }
+
+    return field.value;
+  }
+}
+
+module.exports = Config;