#!/usr/bin/env bash
set -euo pipefail
cd $(dirname "$0")/..

if [ "$#" == 1 ]; then
  BOOK_DIR="$1"
else
  echo "usage: $0 path-to-book-directory"
  exit 1
fi

# Watch books

BUILD_BOOKS_CMD="./bin/get-books $BOOK_DIR > public/books.js && echo public/books.js updated."
watchexec \
  --watch "$BOOK_DIR" \
  -- "$BUILD_BOOKS_CMD" &

# Watch TypeScript

CHECK="echo -e 'Checking TypeScript…\n' && tsc --checkJs"
BUILD="esbuild --bundle src/main.ts --target=es2017 --outdir=public"
SHOW="echo -e '\nOpen $PWD/public/index.html'"
watchexec \
  --clear \
  --watch src \
  -- "$CHECK && $BUILD && $SHOW"