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Make npm run-script completion faster with jq (#4241)

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* Make npm run-script completion faster with `jq`

When jq is available, it's actually faster to invoke jq and parse the `package.json`
invoking the `npm` command.

Also, prior to this commit, both `__fish_complete_npm` and `__fish_npm_run` were being run
whenever completions for `npm run` subcommand was being used, which was actually making
repetitive work (invoking npm command twice). This pull request is supposed to make completion
without `jq` faster as well

* Refactor npm.fish for code reutilization

Created function to handle both cases of npm run completion parse, with or without `jq` completion.

* Remove unecessary blank line
This commit is contained in:
Thales Mello 2017-07-26 08:31:35 -03:00 committed by Fabian Homborg
parent 8e2d165756
commit a071deaf61
1 changed files with 16 additions and 9 deletions
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21
share/completions/npm.fish
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@ -64,21 +64,28 @@ function __fish_complete_npm --description "Complete the commandline using npm's
end
# use npm completion for most of the things,
# except options completion because it sucks at it.
# except options completion (because it sucks at it)
# and run-script completion (reading package.json is faster).
# see: https://github.com/npm/npm/issues/9524
# and: https://github.com/fish-shell/fish-shell/pull/2366
complete -f -c npm -n 'not __fish_npm_needs_option' -a "(__fish_complete_npm)"
complete -f -c npm -n 'not __fish_npm_needs_option; and not __fish_npm_using_command run; and not __fish_npm_using_command run-script' -a "(__fish_complete_npm)"
# list available npm scripts and their parial content
function __fish_npm_run
# Like above, only try to call npm if there's a command by that name to facilitate aliases that call nvm.
if command -sq npm
command npm run | string match -r -v '^[^ ]|^$' | string trim | while read -l name
function __fish_parse_npm_run_completions
while read -l name
set -l trim 20
read -l value
echo "$value" | cut -c1-$trim | read -l value
set value (string sub -l $trim -- $value)
printf "%s\t%s\n" $name $value
end
end
function __fish_npm_run
# Like above, only try to call npm if there's a command by that name to facilitate aliases that call nvm.
if command -sq jq; and test -e package.json
jq -r '.scripts | to_entries[] | .key,.value' <package.json | __fish_parse_npm_run_completions
else if command -sq npm
command npm run | string match -r -v '^[^ ]|^$' | string trim | __fish_parse_npm_run_completions
end
end