| 'use strict'; |
| |
| var callBound = require('call-bound'); |
| |
| /** @type {(receiver: ThisParameterType<typeof String.prototype.valueOf>, ...args: Parameters<typeof String.prototype.valueOf>) => ReturnType<typeof String.prototype.valueOf>} */ |
| var $strValueOf = callBound('String.prototype.valueOf'); |
| |
| /** @type {import('.')} */ |
| var tryStringObject = function tryStringObject(value) { |
| try { |
| $strValueOf(value); |
| return true; |
| } catch (e) { |
| return false; |
| } |
| }; |
| /** @type {(receiver: ThisParameterType<typeof Object.prototype.toString>, ...args: Parameters<typeof Object.prototype.toString>) => ReturnType<typeof Object.prototype.toString>} */ |
| var $toString = callBound('Object.prototype.toString'); |
| var strClass = '[object String]'; |
| var hasToStringTag = require('has-tostringtag/shams')(); |
| |
| /** @type {import('.')} */ |
| module.exports = function isString(value) { |
| if (typeof value === 'string') { |
| return true; |
| } |
| if (!value || typeof value !== 'object') { |
| return false; |
| } |
| return hasToStringTag ? tryStringObject(value) : $toString(value) === strClass; |
| }; |