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Configuration error
Configuration error
| ; | |
| var IsCallable = require('es-abstract/2023/IsCallable'); | |
| var HasOwnProperty = require('es-abstract/2023/HasOwnProperty'); | |
| var functionsHaveNames = require('functions-have-names')(); | |
| var callBound = require('call-bind/callBound'); | |
| var $functionToString = callBound('Function.prototype.toString'); | |
| var $stringMatch = callBound('String.prototype.match'); | |
| var toStr = callBound('Object.prototype.toString'); | |
| var classRegex = /^class /; | |
| var isClass = function isClassConstructor(fn) { | |
| if (IsCallable(fn)) { | |
| return false; | |
| } | |
| if (typeof fn !== 'function') { | |
| return false; | |
| } | |
| try { | |
| var match = $stringMatch($functionToString(fn), classRegex); | |
| return !!match; | |
| } catch (e) {} | |
| return false; | |
| }; | |
| var regex = /\s*function\s+([^(\s]*)\s*/; | |
| var isIE68 = !(0 in [,]); // eslint-disable-line no-sparse-arrays, comma-spacing | |
| var objectClass = '[object Object]'; | |
| var ddaClass = '[object HTMLAllCollection]'; | |
| var functionProto = Function.prototype; | |
| var isDDA = function isDocumentDotAll() { | |
| return false; | |
| }; | |
| if (typeof document === 'object') { | |
| // Firefox 3 canonicalizes DDA to undefined when it's not accessed directly | |
| var all = document.all; | |
| if (toStr(all) === toStr(document.all)) { | |
| isDDA = function isDocumentDotAll(value) { | |
| /* globals document: false */ | |
| // in IE 6-8, typeof document.all is "object" and it's truthy | |
| if ((isIE68 || !value) && (typeof value === 'undefined' || typeof value === 'object')) { | |
| try { | |
| var str = toStr(value); | |
| // IE 6-8 uses `objectClass` | |
| return (str === ddaClass || str === objectClass) && value('') == null; // eslint-disable-line eqeqeq | |
| } catch (e) { /**/ } | |
| } | |
| return false; | |
| }; | |
| } | |
| } | |
| module.exports = function getName() { | |
| if (isDDA(this) || (!isClass(this) && !IsCallable(this))) { | |
| throw new TypeError('Function.prototype.name sham getter called on non-function'); | |
| } | |
| if (functionsHaveNames && HasOwnProperty(this, 'name')) { | |
| return this.name; | |
| } | |
| if (this === functionProto) { | |
| return ''; | |
| } | |
| var str = $functionToString(this); | |
| var match = $stringMatch(str, regex); | |
| var name = match && match[1]; | |
| return name; | |
| }; | |