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'use strict';
const assert = require('assert');
module.exports = function castDate(value) {  // Support empty string because of empty form values. Originally introduced  // in https://github.com/Automattic/mongoose/commit/efc72a1898fc3c33a319d915b8c5463a22938dfe  if (value == null || value === '') {    return null;  }
  if (value instanceof Date) {    assert.ok(!isNaN(value.valueOf()));
    return value;  }
  let date;
  assert.ok(typeof value !== 'boolean');
  if (value instanceof Number || typeof value === 'number') {    date = new Date(value);  } else if (typeof value === 'string' && !isNaN(Number(value)) && (Number(value) >= 275761 || Number(value) < -271820)) {    // string representation of milliseconds take this path    date = new Date(Number(value));  } else if (typeof value.valueOf === 'function') {    // support for moment.js. This is also the path strings will take because    // strings have a `valueOf()`    date = new Date(value.valueOf());  } else {    // fallback    date = new Date(value);  }
  if (!isNaN(date.valueOf())) {    return date;  }
  assert.ok(false);};