Script to set Cursor as the default editor for all development file extensions on macOS using duti: https://github.com/moretension/duti/

setup-duti.sh

#!/usr/bin/env zsh
# Set up the default application for file types.

# Strict mode: https://gist.github.com/vncsna/64825d5609c146e80de8b1fd623011ca
set -euo pipefail

# grab Cursor's bundle-ID
BUNDLE_ID=$(osascript -e 'id of app "Cursor"')

# Extensions in alphabetical order
EXTENSIONS=(
  bash
  c
  cc
  conf
  cpp
  css
  csv
  cxx
  dockerfile
  dockerignore
  editorconfig
  env
  eslintrc
  gitignore
  go
  gql
  graphql
  h
  hpp
  ini
  java
  js
  jsx
  json
  jsonc
  just
  lock
  log
  mdc
  md
  mdx
  mjs
  mts
  php
  prisma
  proto
  py
  rb
  rs
  sass
  sh
  sol
  sql
  svg
  toml
  ts
  tsx
  txt
  xml
  yaml
  yml
  zsh
)

# Check if duti is installed, if not, install it using Homebrew
if ! command -v duti >/dev/null 2>&1; then
  echo "duti not found. Installing with Homebrew..."
  brew install duti
fi

# Generate the duti configuration file
# Format: <bundle-id> <extension> <role>
# Example: com.todesktop.230313mzl4w4u92 .js all
{
  # Loop through each file extension
  for ext in "${EXTENSIONS[@]}"; do
    # Print each line in the format: bundle-id<tab>.<extension><tab>all
    printf "%s\t.%s\tall\n" "$BUNDLE_ID" "$ext"
  done
} > ~/.duti

# apply the new defaults
duti ~/.duti