Add option to run js-beautify as check with fail on change · beautifier/js-beautify#741

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good first issuetype: enhancement

説明

In order to run js-beautify as a non-intrusive pre-commit hook in git (or any other place where you wish to check that the code is beautified, but not actually change it), it would help immensely to have an option not to actually save the beautified version of a file anywhere, but to just have js-beautify fail with a non-zero exit code and some reasonable message.

コントリビューターガイド

技術スタック: javascriptnodejs
領域: clitooling
Issue 種別: feature
難度: 2
推定時間: 1-3 hours
活動状況: stale
明確さ: clear
前提条件: JavaScriptCLI basicsNode.js
初心者向け度: 85
調査方針: Examine the main entry point of js beautify (likely in bin/js beautify.js) to understand how options are parsed and how files are processed. Look at how the current beautification is performed and where the output is written. The goal is to add a ' check' flag that runs beautification but instead of saving, compares the result to the original and fails with exit code 1 if different. Review any existing configuration options for similar behavior.