ice-devtools/utils/eval.js

const chalk = require('chalk');

/**
 * Evaluate an expression in meta.json in the context of
 * prompt answers data.
 */

module.exports = function evaluate(exp, data) {
  /* eslint-disable no-new-func */
  const fn = new Function('data', `with (data) { return ${exp}}`);
  try {
    return fn(data);
  } catch (e) {
    console.error(chalk.red(`Error when evaluating filter condition: ${exp}`));
  }
};