init

lib/.eslintrc.js

@@ -0,0 +1,17 @@
+module.exports = {
+  env: {
+    commonjs: true,
+    es6: true,
+    node: true
+  },
+  extends: [
+    '@scode/eslint-config-ts'
+  ],
+  globals: {
+    Atomics: 'readonly',
+    SharedArrayBuffer: 'readonly'
+  },
+  parserOptions: {
+    ecmaVersion: 2018
+  }
+}

lib/InteractiveOptions.ts

@@ -0,0 +1,28 @@
+import { Persistent } from '@scode/modelling';
+
+enum OptionType {
+  string = 'string',
+  number = 'number',
+  boolean = 'boolean'
+}
+
+interface Option {
+  name: string;
+  type: OptionType;
+  required?: boolean;
+  default: unknown;
+}
+
+export class InteractiveOptions extends Persistent {
+  public constructor (options: Array<Option>) {
+    super ();
+    for (const option of options) {
+      if (typeof option.default !== option.type) {
+        throw new Error (
+          `default does not match option type on ${option.name}`
+        );
+      }
+      this.properties[option.name] = option.type;
+    }
+  }
+}