repl.js

#!/usr/bin/env node

var p = require("child_process");
var fs = require("fs");
var path = require("path");

process.env.BS_RELEASE_BUILD = 1;
var ocamlVersion = "4.06.1";
var jscompDir = path.join(__dirname, "..", "jscomp");
var jsRefmtCompDir = path.join(__dirname, "..", "lib", ocamlVersion, "unstable");

var config = {
  cwd: jscompDir,
  encoding: "utf8",
  stdio: [0, 1, 2],
  shell: true
};
function e(cmd) {
  console.log(`>>>>>> running command: ${cmd}`);
  p.execSync(cmd, config);
  console.log(`<<<<<<`);
}

if (!process.env.BS_PLAYGROUND) {
  var defaultPlayground = `../../bucklescript-playground`;
  console.warn(
    `BS_PLAYGROUND env var unset, defaulting to ${defaultPlayground}`
  );
  process.env.BS_PLAYGROUND = defaultPlayground;
}

var playground = process.env.BS_PLAYGROUND;

function prepare() {
  e(`hash hash js_of_ocaml 2>/dev/null || { echo >&2 "js_of_ocaml not found on path. Please install version 3.5.1 (with opam switch ${ocamlVersion}), and put it on your path."; exit 1; }
`);

  e(`./bin/cmjbrowser.exe`);
  e(
    `ocamlc.opt -w -30-40 -no-check-prims -I ${jsRefmtCompDir} ${jsRefmtCompDir}/js_refmt_compiler.mli ${jsRefmtCompDir}/js_refmt_compiler.ml -o jsc.byte`
  );

  e(`cp ../lib/js/*.js ${playground}/stdlib`);
}

// needs js_cmj_datasets, preload.js and amdjs to be update
prepare();

console.log(`playground : ${playground}`);

var includes = [`stdlib-406`, `runtime`, `others`]
  .map(x => path.join(jscompDir, x))
  .concat([jsRefmtCompDir])
  .map(x => `-I ${x}`)
  .join(` `);

var cmi_files = [
  // `lazy`,
  `js`,
  `js_re`,
  `js_array`,
  `js_array2`,
  `js_null`,
  `js_undefined`,
  `js_types`,
  `js_null_undefined`,
  `js_dict`,
  `js_exn`,
  `js_string`,
  `js_string2`,
  `js_vector`,
  `js_date`,
  `js_console`,
  `js_global`,
  `js_math`,
  `js_obj`,
  `js_int`,
  `js_result`,
  `js_list`,
  `js_typed_array`,
  `js_typed_array2`,
  `js_mapperRt`,
  `js_promise`,
  `js_option`,
  `js_float`,
  `js_json`,

  /*
  These files cause troubles when compiled with JSOO (v3.4.0)
  Be aware, if those are included you will get an error stating something like "/static/cmis/scanf.cmi : file already exists"
  */
  // `arrayLabels`,
  // `bytesLabels`,
  // `complex`,
  // `gc`,
  // `genlex`,
  // `listLabels`,
  // `moreLabels`,
  // `queue`,
  // `scanf`,
  // `sort`,
  // `stack`,
  // `stdLabels`,
  // `stream`,
  // `stringLabels`,

  `dom`,
  `belt`,
  `belt_Id`,
  `belt_Array`,
  `belt_SortArray`,
  `belt_SortArrayInt`,
  `belt_SortArrayString`,
  `belt_MutableQueue`,
  `belt_MutableStack`,
  `belt_List`,
  `belt_Range`,
  `belt_Set`,
  `belt_SetInt`,
  `belt_SetString`,
  `belt_Map`,
  `belt_MapInt`,
  `belt_Option`,
  `belt_MapString`,
  `belt_MutableSet`,
  `belt_MutableSetInt`,
  `belt_MutableSetString`,
  `belt_MutableMap`,
  `belt_MutableMapInt`,
  `belt_MutableMapString`,
  `belt_HashSet`,
  `belt_HashSetInt`,
  `belt_HashSetString`,
  `belt_HashMap`,
  `belt_HashMapInt`,
  `belt_HashMapString`
]
  .map(x => `${x}.cmi:/static/cmis/${x}.cmi`)
  .map(x => `--file ${x}`)
  .join(` `);
e(
  `js_of_ocaml --disable share --toplevel ./polyfill.js jsc.byte ${includes} ${cmi_files} -o ${playground}/exports.js`
);