add prompt manager

Author: YaroShkvorets

packages/cli/src/command-helpers/prompt-manager.ts

@@ -0,0 +1,54 @@
+import { prompt } from 'gluegun';
+import { PromptOptions } from 'gluegun/build/types/toolbox/prompt-enquirer-types';
+
+interface PromptStep {
+  execute: () => Promise<any>;
+}
+
+export class PromptManager {
+  private steps: PromptStep[] = [];
+  private currentStep = 0;
+  private results: any[] = [];
+
+  addStep(options: PromptOptions) {
+    this.steps.push({
+      execute: async () => {
+        const result = await prompt.ask(options);
+        return result;
+      },
+    });
+  }
+
+  async executePrompts() {
+    let isCtrlC = false;
+    // gluegun always throws empty string, so we have this workaround
+    const keypressHandler = (_: string, key: { name: string; ctrl: boolean }) => {
+      if (key.ctrl && key.name === 'c') {
+        isCtrlC = true;
+      }
+    };
+    process.stdin.on('keypress', keypressHandler);
+
+    while (this.currentStep < this.steps.length) {
+      try {
+        const result = await this.steps[this.currentStep].execute();
+        this.results[this.currentStep] = result;
+        this.currentStep++;
+      } catch (error) {
+        if (error instanceof Error) {
+          throw error;
+        }
+        if (isCtrlC || this.currentStep === 0) {
+          process.stdout.write('\n');
+          process.exit(0);
+        }
+        // delete 2 lines
+        process.stdout.write('\x1b[1A\x1b[2K\x1b[1A\x1b[2K');
+        this.currentStep--;
+      }
+    }
+
+    process.stdin.removeListener('keypress', keypressHandler);
+    return this.results;
+  }
+}