feat: add sigint handler (#77)

* feat: add sigint handler

* fix: missing BaseCommand usage

src/base.command.ts

@@ -45,6 +45,8 @@ export abstract class BaseCommand<T extends typeof Command> extends Command {
 
   public async init(): Promise<void> {
     await super.init()
+    this.initSigIntHandler()
+
     const { args, flags } = await this.parse({
       flags: this.ctor.flags,
       baseFlags: (super.ctor as typeof BaseCommand).baseFlags,
@@ -111,4 +113,30 @@ export abstract class BaseCommand<T extends typeof Command> extends Command {
       })
     }
   }
+
+  private initSigIntHandler(): void {
+    process.on('SIGINT', async () => {
+      const { customData } = this.config
+
+      if (customData) {
+        const { metadata, mixpanel, startTime } = customData
+        const now = new Date()
+
+        const endTime = performance.now()
+        const durationMs = endTime - (startTime || 0)
+
+        mixpanel.track(
+          Metric.CommandSigInt,
+          {
+            ...metadata,
+            duration: prettyMilliseconds(durationMs),
+            endTime: moment(now).format('YYYY-MM-DD HH:mm:ss'),
+          },
+          () => {
+            process.exit(0)
+          },
+        )
+      }
+    })
+  }
 }

src/commands/config/set.ts

@@ -1,12 +1,12 @@
-import { Command } from '@oclif/core'
 import fs from 'fs-extra'
 import path from 'path'
 
+import { BaseCommand } from '../../base.command.js'
 import { CONFIG_FILE_NAME } from '../../config/constants.js'
 import { ConfigSchema, TConfig } from '../../config/schema.js'
 import uiInput from '../../utils/ui/input.js'
 
-export default class SetConfig extends Command {
+export default class SetConfig extends BaseCommand<typeof SetConfig> {
   static description = 'Set config'
 
   static examples = ['<%= config.bin %> <%= command.id %>']

src/utils/analytics/metric.ts

@@ -2,4 +2,5 @@ export enum Metric {
   CommandRun = 'command_run',
   CommandComplete = 'command_complete',
   CommandError = 'command_error',
+  CommandSigInt = 'command_sigint',
 }