test-all-js-engines

#!/usr/bin/env bash

# Copyright (C) 2020  Matthew Glazar
# See end of file for extended copyright information.

# test-all-js-engines runs the file or text (with `-e`) through three popular JS engines

set -e
set -u

tools_directory="$(cd "$(dirname "${0}")" && pwd)"
HOME="${tools_directory}/.js-engines"
export HOME
mkdir -p "${HOME}"

node_bin="${HOME}/node_modules/.bin"

main() {
  install_tools
  install_engines
  "${node_bin}/eshost" "${@}"
}

install_tools() {
  if ! [ -f "${node_bin}/eshost" -a -f "${node_bin}/jsvu" ]; then
    printf '%s\n' '{"dependencies": {"eshost-cli": "*", "jsvu": "*"}}' >"${HOME}/package.json"
    (cd "${HOME}" && npm install --no-audit --no-optional --no-package-lock)
  fi
}

install_engines() {
  local jsvu="${HOME}/.jsvu"
  if ! [ -f "${jsvu}/jsc" -a -f "${jsvu}/sm" -a -f "${jsvu}/v8" ]; then
    "${node_bin}/jsvu" --engines=javascriptcore,spidermonkey,v8 --os=default
  fi

  if ! [ -f "${HOME}/.eshost-config.json" ]; then
    "${node_bin}/eshost" --configure-jsvu
  fi
}

main "${@}"

# quick-lint-js finds bugs in JavaScript programs.
# Copyright (C) 2020  Matthew Glazar
#
# quick-lint-js is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# quick-lint-js is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with quick-lint-js.  If not, see <https://www.gnu.org/licenses/>.