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20 lines
526 B
20 lines
526 B
'use strict'; |
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var GetIntrinsic = require('get-intrinsic'); |
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var $TypeError = GetIntrinsic('%TypeError%'); |
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var callBound = require('call-bind/callBound'); |
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var $SymbolToString = callBound('Symbol.prototype.toString', true); |
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var Type = require('./Type'); |
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// https://ecma-international.org/ecma-262/6.0/#sec-symboldescriptivestring |
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module.exports = function SymbolDescriptiveString(sym) { |
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if (Type(sym) !== 'Symbol') { |
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throw new $TypeError('Assertion failed: `sym` must be a Symbol'); |
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} |
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return $SymbolToString(sym); |
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};
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