nicklockwood/SwiftFormat

Auto Format on Save

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#1085 opened on Nov 30, 2021

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help wanted

Description

I saw an old post about this feature, but I wonder if Apple let us to do such a thing in Xcode 13, if not what is the best practice for this to work? (some 3rd party file listeners with cli ?)

Contributor guide

Tech stack
swift
Domain
developer experience
Issue type
feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-2 days
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
stale
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
clear
Prerequisites
Swift knowledgeXcode extension API
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
30
Research direction
Research whether Xcode 13 supports auto format on save. Check the SwiftFormat documentation for existing Xcode integration. Consider if a 3rd party file watcher (e.g., using Swift CLI) is a viable workaround. Look at the existing Xcode extension code in the XcodeExtension directory and the main formatter in Sources/SwiftFormat/Formatter.swift.