nstdlib-nightly/lib/internal/repl.mjs

Node.js standard library converted to runtime-agnostic ES modules.

// Source: https://github.com/nodejs/node/blob/65eff1eb/lib/internal/repl.js

import * as REPL from "nstdlib/lib/repl";
import { kStandaloneREPL } from "nstdlib/lib/internal/repl/utils";
let _module_exports_ = {};
export { _module_exports_ as default };

_module_exports_ = { __proto__: REPL };
_module_exports_.createInternalRepl = createRepl;

function createRepl(env, opts, cb) {
  if (typeof opts === "function") {
    cb = opts;
    opts = null;
  }
  opts = {
    [kStandaloneREPL]: true,
    ignoreUndefined: false,
    useGlobal: true,
    breakEvalOnSigint: true,
    ...opts,
  };

  if (Number.parseInt(env.NODE_NO_READLINE)) {
    opts.terminal = false;
  }

  if (env.NODE_REPL_MODE) {
    opts.replMode = {
      strict: REPL.REPL_MODE_STRICT,
      sloppy: REPL.REPL_MODE_SLOPPY,
    }[env.NODE_REPL_MODE.toLowerCase().trim()];
  }

  if (opts.replMode === undefined) {
    opts.replMode = REPL.REPL_MODE_SLOPPY;
  }

  const historySize = Number(env.NODE_REPL_HISTORY_SIZE);
  if (!Number.isNaN(historySize) && historySize > 0) {
    opts.historySize = historySize;
  } else {
    opts.historySize = 1000;
  }

  const repl = REPL.start(opts);
  const term = "terminal" in opts ? opts.terminal : process.stdout.isTTY;
  repl.setupHistory(term ? env.NODE_REPL_HISTORY : "", cb);
}

export const __proto__ = REPL;
export const createInternalRepl = createRepl;