are-message/es/types/types.js

This is a React global notification message component. It is a standalone implementation of the are-visual message component.

/**
 * 过滤 undefined, null, '', NaN
 */
export function isTruthy(value) {
  var notEmptyStr = true;
  var notNaN = true;

  if (typeof value === 'string') {
    notEmptyStr = value.trim() !== '';
  }

  if (typeof value === 'number') {
    notNaN = !Number.isNaN(value);
  }

  return value !== undefined && value !== null && notEmptyStr && notNaN;
}