feat(errors): add custom error classes for URL, data, and database problems

scripts/utilities/errors.js

@@ -0,0 +1,40 @@
+class CustomErrors {}
+
+CustomErrors.URL = class URL_Error extends Error {
+    constructor(message, URL) {
+        super((message) ? message : `invalid url`);
+        this.name = "URL Problem";
+        this.stack = URL;
+    };
+}
+
+CustomErrors.Data = class Data_Problem extends Error {
+    constructor(message, data) {
+        super(message);
+        this.name = "Data-related Problem";
+        this.stack = data;
+    }
+}
+
+CustomErrors.Data.Missing = class DataMissing_Problem extends CustomErrors.Data {
+    constructor(data) {
+        super("The required data is missing.");
+        this.name = `Missing Information`;
+    }
+}
+
+CustomErrors.Data.Incorrect = class DataIncorrect_Problem extends CustomErrors.Data {
+    constructor(data) {
+        super("The data is incorrect.");
+        this.name = `Incorrect Information`;
+    }
+}
+
+CustomErrors.DBProblem = class DB_Error extends Error {
+    constructor(message) {
+        super(message);
+        this.name = "Database Problem"
+    }
+}
+
+module.exports = CustomErrors