ZSH Yarn autocomplete

yarn.zsh

# source this from your ~/.zshrc for Yarn autocompletion
# this won't suggest standard Yarn commands (add, upgrade, etc) but will show you custom commands for this project
# make sure you have jq installed


function _yarn() {
    local scripts=$(jq -r '.scripts | to_entries | '\
'map(.key |= sub(":";"\\:";"g")) | '\
'.[] | '\
'[select((.value | length) > 0)] | '\
'select((. | length) > 0) | '\
'map("'"'"'\(.key):\(.value)'"'"'") | '\
'join(" ")' < package.json)
    _describe 'command' "($scripts)"
}

compdef _yarn yarn