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Last active Apr 22, 2019

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yarn-completion
  1. Install git clone git@gist.github.com:dc0d50909cfd3f891e2a962c07bab6cb.git ~/.oh-my-zsh/custom/plugins/yarn-completion
  2. Setup add to .zshrc plugins=(yarn-completion)
  3. source ~/.zshrc
MIT License
Copyright (c) 2016 Luke Childs, 2017 Ulysse Buonomo, 2019 Edward Irby
Copyright for portions of yarn-completion are held by Edward irby (2019) as
part of project zsh-better-npm-completion. All other copyright for project
yarn-completion held by Luke Childs (2016) and Ulysse Buonomo (2017).
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
_yc_yarn_command() {
echo "${words[2]}"
}
_yc_yarn_command_arg() {
echo "${words[3]}"
}
_yc_no_of_yarn_args() {
echo "$#words"
}
_yc_list_cached_modules() {
ls ~/.npm 2>/dev/null
}
_yc_recursively_look_for() {
local filename="$1"
local dir=$PWD
while [ ! -e "$dir/$filename" ]; do
dir=${dir%/*}
[[ "$dir" = "" ]] && break
done
[[ ! "$dir" = "" ]] && echo "$dir/$filename"
}
_yc_get_package_json_property_object() {
local package_json="$1"
local property="$2"
cat "$package_json" |
sed -nE "/^ \"$property\": \{$/,/^ \},?$/p" | # Grab scripts object
sed '1d;$d' | # Remove first/last lines
sed -E 's/ "([^"]+)": "(.+)",?/\1=>\2/' # Parse into key=>value
}
_yc_get_package_json_property_object_keys() {
local package_json="$1"
local property="$2"
_yc_get_package_json_property_object "$package_json" "$property" | cut -f 1 -d "="
}
_yc_parse_package_json_for_script_suggestions() {
local package_json="$1"
_yc_get_package_json_property_object "$package_json" scripts |
sed -E 's/(.+)=>(.+)/\1:$ \2/' | # Parse commands into suggestions
sed 's/\(:\)[^$]/\\&/g' | # Escape ":" in commands
sed 's/\(:\)$[^ ]/\\&/g' # Escape ":$" without a space in commands
}
_yc_parse_package_json_for_deps() {
local package_json="$1"
_yc_get_package_json_property_object_keys "$package_json" dependencies
_yc_get_package_json_property_object_keys "$package_json" devDependencies
}
_yc_yarn_add_completion() {
# Only run on `yarn add ?`
[[ ! "$(_yc_no_of_yarn_args)" = "3" ]] && return
# Return if we don't have any cached modules
[[ "$(_yc_list_cached_modules)" = "" ]] && return
# If we do, recommend them
_values $(_yc_list_cached_modules)
# Make sure we don't run default completion
custom_completion=true
}
_yc_yarn_remove_completion() {
# Use default yarn completion to recommend global modules
[[ "$(_yc_yarn_command_arg)" = "-g" ]] || [[ "$(_yc_yarn_command_arg)" = "--global" ]] && return
# Look for a package.json file
local package_json="$(_yc_recursively_look_for package.json)"
# Return if we can't find package.json
[[ "$package_json" = "" ]] && return
_values $(_yc_parse_package_json_for_deps "$package_json")
}
_yc_yarn_run_completion() {
# Only run on `yarn run ?`
[[ ! "$(_yc_no_of_yarn_args)" = "3" ]] && return
# Look for a package.json file
local package_json="$(_yc_recursively_look_for package.json)"
# Return if we can't find package.json
[[ "$package_json" = "" ]] && return
# Parse scripts in package.json
local -a options
options=(${(f)"$(_yc_parse_package_json_for_script_suggestions $package_json)"})
# Return if we can't parse it
[[ "$#options" = 0 ]] && return
# Load the completions
_describe 'values' options
}
_yc_yarn_commands_completion() {
_values \
'subcommnad' \
'add[Installs a package and any packages that it depends on.]' \
'bin[Displays the location of the yarn bin folder.]' \
'cache[Yarn stores every package in a global cache in your user directory on the file system.]' \
'check[Verifies that versions of the package.]' \
'clean[Cleans and removes unnecessary files from package dependencies.]' \
'config[Manages the yarn configuration files.]' \
'generate-lock-entry[Generates a lock file entry.]' \
'global[Install packages globally on your operating system.]' \
'info[Show information about a package.]' \
'init[Interactively creates or updates a package.json file.]' \
'install[Install packages]' \
'licenses[List licenses for installed packages.]' \
'link[Symlink a package folder during development.]' \
'login[Store registry username and email.]' \
'logout[Clear registry username and email.]' \
'ls[List installed packages.]' \
'outdated[Checks for outdated package dependencies.]' \
'owner[Manage package owners.]' \
'pack[Creates a compressed gzip archive of package dependencies.]' \
'publish[Publishes a package to the npm registry.]' \
'remove[Remove package and update package.json and yarn.lock ]' \
'run[Runs a defined package script.]' \
'self-update[Updates Yarn to the latest version.]' \
'tag[Add, remove, or list tags on a package.]' \
'team[Maintain team memberships]' \
'unlink[Unlink a previously created symlink for a package.]' \
'upgrade[Upgrades packages to their latest version based on the specified range.]' \
'version[Updates the package version.]' \
'why[Show information about why a package is installed.]'
}
_yc_zsh_better_yarn_completion() {
# Show yarn commands if not typed yet
[[ $(_yc_no_of_yarn_args) -le 2 ]] && _yc_yarn_commands_completion && return
# Load custom completion commands
case "$(_yc_yarn_command)" in
add)
_yc_yarn_add_completion
;;
remove)
_yc_yarn_remove_completion
;;
run)
_yc_yarn_run_completion
;;
esac
}
compdef _yc_zsh_better_yarn_completion yarn
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