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Format

Install prettier ¹

npm install --global prettier

Pre-commit Hook ²

.git/hooks/pre-commit

#!/bin/sh
FILES=$(git diff --cached --name-only --diff-filter=ACMR | sed 's| |\\ |g')
[ -z "$FILES" ] && exit 0
 
# Prettify all selected files
echo "$FILES" | xargs prettier --ignore-unknown --write
 
# Add back the modified/prettified files to staging
echo "$FILES" | xargs git add
 
exit 0

Give it execute permission:

chmox +x .git/hooks/pre-commit

.git/hooks/post-commit

#!/bin/sh
git update-index -g

Give it execute permission:

chmox +x .git/hooks/post-commit

Ref:

Footnotes

1. https://prettier.io/docs/install ↩

2. https://prettier.io/docs/precommit#option-5-shell-script ↩