Dump diagnostics from lua-language-server with errorformat

lua-ls-lint.sh

#!/bin/bash
DIR=${1:-lua}
TMP=$(mktemp -d)
lua-language-server --check "$DIR" --configpath "$PWD/.luarc.json" --logpath "$TMP"
RESULT="$TMP/check.json"
if [[ -r $RESULT ]]; then
  jq --arg pwd "$PWD" -r '
    to_entries[] |
    (.key | gsub("^file://\($pwd)/"; "")) as $filename |
    .value[] |
    [
      $filename,
      .range.start.line + 1,
      .range.start.character + 1,
      "\(.message) [\(.code)]"
    ] | join(":")
  ' "$RESULT"
fi