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Complete npm package names for npm install via all-the-package-names

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`npm search` was _way_ too slow to be used for dynamic completions, so
using a cached list of all avaialable NPM packages to match against.

This is a bit brave for a fish completion, but the npm package
`all-the-package-names` has a list of, well, all the package names
avaialable for installation via the default npm registry. Installing a
copy locally to $HOME/.cache/fish/npm_completions and using that to
search for packages matching the tokenized command line.

Preference would be to call `__update_atpm` in the background, but that
emits an ugly "job has completed" message..

Should also use this for completions for `yarn add`.
This commit is contained in:
Mahmoud Al-Qudsi 2018-04-18 22:42:46 -05:00
parent c2e66b002a
commit 156d4fb9b9
1 changed files with 34 additions and 0 deletions
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34
share/completions/npm.fish
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@ -4,6 +4,39 @@
# see also Fish's large set of completions for examples:
# https://github.com/fish-shell/fish-shell/tree/master/share/completions
set -g __fish_atpm_cache $HOME/.cache/fish/npm_completions
function __install_atpm
if not test -d $__fish_atpm_cache
mkdir -p $__fish_atpm_cache
fish -c "cd $HOME/.cache/fish/npm_completions; npm init -y >/dev/null; npm install all-the-package-names >/dev/null; touch .last_update" >/dev/null 2>/dev/null
end
end
function __update_atpm
if test \"(find $__fish_atpm_cache/ -name .last_update -mtime +1 -print)\"
# all-the-package-names is out of date
fish -c "cd $__fish_atpm_cache; npm update; touch .last_update" >/dev/null 2>/dev/null
end
end
function __npm_list_packages
if not test -x $__fish_atpm_cache/node_modules/.bin/all-the-package-names
if not __install_atpm >/dev/null
return
end
end
__update_atpm >/dev/null
eval $__fish_atpm_cache/node_modules/.bin/all-the-package-names
end
# Entire list of packages is too long to be used in a `complete` subcommand
# Search it for matches instead
function __npm_filtered_list_packages
__npm_list_packages | grep (commandline -ct) | head -n 50
end
function __fish_npm_needs_command
set cmd (commandline -opc)
@ -192,3 +225,4 @@ complete -f -c npm -n '__fish_npm_needs_command' -a 'unpublish' -d 'Remove a pac
complete -f -c npm -n '__fish_npm_needs_command' -a 'unstar' -d 'Remove star from a package'
complete -f -c npm -n '__fish_npm_needs_command' -a 'version' -d 'Bump a package version'
complete -f -c npm -n '__fish_npm_needs_command' -a 'whoami' -d 'Display npm username'
complete -f -c npm -n '__fish_seen_subcommand_from install' -a '(__npm_filtered_list_packages)'