fastify/fastify-cli

Watch commands parameter => run command on watch triggered

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#569 opened on Nov 27, 2022

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help wantedsemver-minor

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Description

Prerequisites

  • I have written a descriptive issue title
  • I have searched existing issues to ensure the feature has not already been requested

🚀 Feature Proposal

Every time there is a file change I would like to run the standard command on the code, unfortunately there is no arguments that watch takes in to configure it to do that, but it seems like a very useful feature if we could do something pre/post watch event like spotting any linting issues and reporting them in the terminal.

Motivation

It seems like something a watch command should be able to do, since its not just a mechanism for hot server reload but sometimes it can be extra, like running a linter command.

Example

fastify start index.js -wPV --ignore-watch='node_modules .git .vscode' --on-watch-change='standard --fix'

Contributor guide

Research direction
Examine the current watch mode implementation in fastify cli's source code, then add a new CLI option (e.g., on watch change) that accepts a command string. Implement the logic to execute that command via child process whenever a file change is detected by the watcher. Ensure proper handling of command termination and error reporting.
Tech stack
javascriptnodejs
Domain
cli
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
GitNode.jsnpm
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
70