feat(exposed): adds confirm prompt

package.json

@@ -73,6 +73,7 @@
     "@types/js-yaml": "^3.12.1",
     "@types/object-hash": "^1.2.0",
     "@types/pify": "^3.0.2",
+    "@types/prompts": "^1.2.0",
     "@types/signal-exit": "^3.0.0",
     "@types/uuid": "^3.4.4",
     "@typescript-eslint/eslint-plugin": "^1.6.0",
@@ -128,6 +129,7 @@
     "object-hash": "^1.3.1",
     "pify": "^4.0.1",
     "promist": "^0.5.3",
+    "prompts": "^2.0.4",
     "signal-exit": "^3.0.2",
     "slimconf": "^0.9.0",
     "string-argv": "^0.3.0",

src/exposed/index.ts

@@ -1,3 +1,4 @@
 export * from './exec';
+export * from './prompt';
 export { default as options } from './options';
 export { default as line } from './line';

src/exposed/prompt/confirm.ts

@@ -0,0 +1,34 @@
+import { TScript } from '~/types';
+import prompts from 'prompts';
+import { status } from 'promist';
+
+export interface IConfirmOptions {
+  message?: string;
+  initial?: boolean;
+  yes?: TScript;
+  no?: TScript;
+  timeout?: number;
+}
+
+// eslint-disable-next-line @typescript-eslint/explicit-function-return-type
+export default function confirm(options: IConfirmOptions = {}) {
+  return async function confirm(): Promise<TScript> {
+    const promise = status(
+      prompts({
+        type: 'confirm',
+        name: 'value',
+        message: options.message || 'Continue?',
+        initial: options.initial || false
+      })
+    );
+
+    if (options.timeout) {
+      setTimeout(() => {
+        if (promise.status === 'pending') process.stdin.emit('data', '\n');
+      }, options.timeout);
+    }
+
+    const response = await promise;
+    return (response.value ? options.yes : options.no) || undefined;
+  };
+}

src/exposed/prompt/index.ts

@@ -0,0 +1 @@
+export { default as confirm } from './confirm';