strudel/packages/core/repl.mjs

import { Cyclist } from './cyclist.mjs';
import { evaluate as _evaluate } from './evaluate.mjs';

export function repl({ interval, defaultOutput, onSchedulerError, onEvalError, onEval, getTime, transpiler }) {
  const scheduler = new Cyclist({ interval, onTrigger: defaultOutput, onError: onSchedulerError, getTime });
  const evaluate = async (code) => {
    if (!code) {
      throw new Error('no code to evaluate');
    }
    try {
      const { pattern } = await _evaluate(code, transpiler);
      scheduler.setPattern(pattern);
      onEval({
        pattern,
        code,
      });
    } catch (err) {
      onEvalError?.(err);
      console.warn('eval error', err);
    }
  };
  return { scheduler, evaluate };
}