chore: cleanup parameters part 2/*

src/model/parameter-options.ts

@@ -0,0 +1,18 @@
+type ParameterOption<T> = {
+  cli: boolean;
+  env: boolean;
+  cfg: boolean;
+  defaultValue: T;
+};
+
+// Todo - use CLI lib to define this instead.
+export class ParameterOptions {
+  static get region(): ParameterOption<string | number> {
+    return {
+      cli: true,
+      env: true,
+      cfg: true,
+      defaultValue: 'eu-west-2',
+    };
+  }
+}

src/model/parameter.ts

@@ -0,0 +1,14 @@
+export class Parameter {
+  public static toUpperSnakeCase(input: string) {
+    if (input.toUpperCase() === input) return input;
+
+    return input.replace(/([\da-z])([A-Z])/g, '$1_$2').toUpperCase();
+  }
+
+  public static toCamelCase(input: string) {
+    return input
+      .split('_')
+      .map((word) => `${word[0].toUppercase()}${word.slice(1).toLowerCase()}`)
+      .join('');
+  }
+}