Edit - auto-fallback.js

Edit: auto-fallback.js

'use strict'

const Y = require('./y.js')

function mkFish (opts) {
  return `
function __fish_command_not_found_on_interactive --on-event fish_prompt
  functions --erase __fish_command_not_found_handler
  functions --erase __fish_command_not_found_setup

function __fish_command_not_found_handler --on-event fish_command_not_found
    if which npx > /dev/null
        echo "${Y`${'$argv[1]'} not found. Trying with npx...`}" >&2
    else
        return 127
    end
    if string match -q -r @ $argv[1]
        npx $argv
    else
        npx --no-install $argv
    end
  end

functions --erase __fish_command_not_found_on_interactive
end`
}

module.exports = autoFallback
function autoFallback (shell, fromEnv, opts) {
  if (shell.includes('bash')) {
    return mkPosix({isBash: true, install: opts.install})
  }

if (shell.includes('zsh')) {
    return mkPosix({isBash: false, install: opts.install})
  }

if (shell.includes('fish')) {
    return mkFish(opts)
  }

if (fromEnv) {
    return autoFallback(fromEnv, null, opts)
  }

console.error(Y`Only Bash, Zsh, and Fish shells are supported :(`)
}

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