28 lines
1.0 KiB
JavaScript
28 lines
1.0 KiB
JavaScript
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'use strict';
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
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exports.default = assertString;
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function assertString(input) {
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var isString = typeof input === 'string' || input instanceof String;
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if (!isString) {
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var invalidType = void 0;
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if (input === null) {
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invalidType = 'null';
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} else {
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invalidType = typeof input === 'undefined' ? 'undefined' : _typeof(input);
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if (invalidType === 'object' && input.constructor && input.constructor.hasOwnProperty('name')) {
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invalidType = input.constructor.name;
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} else {
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invalidType = 'a ' + invalidType;
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}
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}
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throw new TypeError('Expected string but received ' + invalidType + '.');
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}
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}
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module.exports = exports['default'];
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