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npm completions: Check command npm existence
Really fixes #3158 and #3152.
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1 changed files with 51 additions and 37 deletions
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@ -5,51 +5,62 @@
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# https://github.com/fish-shell/fish-shell/tree/master/share/completions
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function __fish_npm_needs_command
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set cmd (commandline -opc)
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set cmd (commandline -opc)
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if [ (count $cmd) -eq 1 ]
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return 0
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end
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if [ (count $cmd) -eq 1 ]
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return 0
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end
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return 1
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return 1
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end
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function __fish_npm_using_command
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set cmd (commandline -opc)
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set cmd (commandline -opc)
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if [ (count $cmd) -gt 1 ]
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if [ $argv[1] = $cmd[2] ]
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return 0
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if [ (count $cmd) -gt 1 ]
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if [ $argv[1] = $cmd[2] ]
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return 0
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end
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end
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end
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return 1
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return 1
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end
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function __fish_npm_needs_option
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switch (commandline -ct)
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case "-*"
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return 0
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end
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return 1
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switch (commandline -ct)
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case "-*"
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return 0
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end
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return 1
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end
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function __fish_complete_npm --description "Complete the commandline using npm's 'completion' tool"
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# npm completion is bash-centric, so we need to translate fish's "commandline" stuff to bash's $COMP_* stuff
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# COMP_LINE is an array with the words in the commandline
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set -lx COMP_LINE (commandline -o)
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# COMP_CWORD is the index of the current word in COMP_LINE
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# bash starts arrays with 0, so subtract 1
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set -lx COMP_CWORD (math (count $COMP_LINE) - 1)
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# COMP_POINT is the index of point/cursor when the commandline is viewed as a string
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set -lx COMP_POINT (commandline -C)
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# If the cursor is after the last word, the empty token will disappear in the expansion
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# Readd it
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if test (commandline -ct) = ""
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set COMP_CWORD (math $COMP_CWORD + 1)
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set COMP_LINE $COMP_LINE ""
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end
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command npm completion -- $COMP_LINE ^/dev/null
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# Note that this function will generate undescribed completion options, and current fish
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# will sometimes pick these over versions with descriptions.
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# However, this seems worth it because it means automatically getting _some_ completions if npm updates.
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# Defining an npm alias that automatically calls nvm if necessary is a popular convenience measure.
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# Because that is a function, these local variables won't be inherited and the completion would fail
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# with weird output on stdout (!). But before the function is called, no npm command is defined,
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# so calling the command would fail.
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# So we'll only try if we have an npm command.
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if command -s npm >/dev/null
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# npm completion is bash-centric, so we need to translate fish's "commandline" stuff to bash's $COMP_* stuff
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# COMP_LINE is an array with the words in the commandline
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set -lx COMP_LINE (commandline -o)
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# COMP_CWORD is the index of the current word in COMP_LINE
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# bash starts arrays with 0, so subtract 1
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set -lx COMP_CWORD (math (count $COMP_LINE) - 1)
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# COMP_POINT is the index of point/cursor when the commandline is viewed as a string
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set -lx COMP_POINT (commandline -C)
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# If the cursor is after the last word, the empty token will disappear in the expansion
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# Readd it
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if test (commandline -ct) = ""
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set COMP_CWORD (math $COMP_CWORD + 1)
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set COMP_LINE $COMP_LINE ""
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end
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command npm completion -- $COMP_LINE ^/dev/null
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end
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end
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# use npm completion for most of the things,
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@ -60,12 +71,15 @@ complete -f -c npm -n 'not __fish_npm_needs_option' -a "(__fish_complete_npm)"
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# list available npm scripts and their parial content
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function __fish_npm_run
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command npm run | string match -r -v '^[^ ]|^$' | string trim | while read -l name
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set -l trim 20
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read -l value
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echo "$value" | cut -c1-$trim | read -l value
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printf "%s\t%s\n" $name $value
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end
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# Like above, only try to call npm if there's a command by that name to facilitate aliases that call nvm.
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if command -s npm >/dev/null
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command npm run | string match -r -v '^[^ ]|^$' | string trim | while read -l name
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set -l trim 20
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read -l value
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echo "$value" | cut -c1-$trim | read -l value
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printf "%s\t%s\n" $name $value
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end
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end
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end
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# run
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