#!/usr/bin/env bash

export EMCC_FORCE_STDLIBS=libc++

args="-Os"
target_dir="target/release"
if [[ "$1" == "--debug" ]]; then
  args="-s SAFE_HEAP=1 -O0"
  target_dir="target/debug"
fi

mkdir -p $target_dir

docker run                          \
  --rm                              \
  -v $(pwd):/src                    \
  -u $(id -u)                       \
  trzeci/emscripten-slim            \
                                    \
  emcc                              \
  -s WASM=1                         \
  -s ALLOW_MEMORY_GROWTH            \
  -s MAIN_MODULE=1                  \
  -s ASSERTIONS=1                   \
  -s EXPORT_ALL=1                   \
  $args                             \
  -std=c99                          \
  -D 'fprintf(...)='                \
  -I lib/src                        \
  -I lib/include                    \
  -I lib/utf8proc                   \
  --js-library lib/web/imports.js   \
  --pre-js lib/web/prefix.js        \
  --post-js lib/web/binding.js      \
  lib/src/lib.c                     \
  lib/web/binding.c                 \
  -o $target_dir/tree-sitter.js