mirror of
https://github.com/react/react-native-devtools-frontend.git
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Tim van der Lippe
2c89197d0d
R=jacktfranklin@chromium.org No-Presubmit: True Bug: none Change-Id: I52dc24b12e350787085c5e3d131cface7ea87142 Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/3060705 Commit-Queue: Tim van der Lippe <tvanderlippe@chromium.org> Reviewed-by: Paul Lewis <aerotwist@chromium.org>
20 lines
514 B
JavaScript
20 lines
514 B
JavaScript
'use strict';
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var callBound = require('call-bind/callBound');
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var $SymbolValueOf = callBound('Symbol.prototype.valueOf', true);
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var Type = require('./Type');
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// https://262.ecma-international.org/9.0/#sec-thissymbolvalue
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module.exports = function thisSymbolValue(value) {
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if (!$SymbolValueOf) {
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throw new SyntaxError('Symbols are not supported; thisSymbolValue requires that `value` be a Symbol or a Symbol object');
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}
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if (Type(value) === 'Symbol') {
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return value;
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}
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return $SymbolValueOf(value);
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};
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