ThisSymbolValue.jsā¢527 B
'use strict';
var $SyntaxError = require('es-errors/syntax');
var callBound = require('call-bound');
var $SymbolValueOf = callBound('Symbol.prototype.valueOf', true);
// https://262.ecma-international.org/15.0/#sec-thissymbolvalue
module.exports = function ThisSymbolValue(value) {
if (typeof value === 'symbol') {
return value;
}
if (!$SymbolValueOf) {
throw new $SyntaxError('Symbols are not supported; thisSymbolValue requires that `value` be a Symbol or a Symbol object');
}
return $SymbolValueOf(value);
};