This plugin shows autocomplete suggestions for npm scripts from package.json at current working directory. Works with npm, yarn, bun and pnpm.

Clone this repository to your oh-my-zsh plugins folder
(by default ~/.oh-my-zsh/custom/plugins):

git clone \
  git@github.com:grigorii-zander/zsh-npm-scripts-autocomplete.git \
  ~/.oh-my-zsh/custom/plugins/zsh-npm-scripts-autocomplete

Add plugin to your .zshrc config:

plugins=(
  zsh-npm-scripts-autocomplete
)

Restart your terminal or reload .zshrc config with the following command:

source ~/.zshrc

Invoke selected script with a single hit of Enter/Return.

zmodload -i zsh/complist
bindkey -M menuselect '^M' .accept-line

https://superuser.com/questions/1498187/zsh-select-menu-auto-completion-with-single-enter-return-press