lix-website/themes/lix/assets/bootstrap/node_modules/get-symbol-description/index.js
2024-04-26 22:49:34 -06:00

45 lines
1.2 KiB
JavaScript

'use strict';
var GetIntrinsic = require('get-intrinsic');
var callBound = require('call-bind/callBound');
var $SyntaxError = require('es-errors/syntax');
var getGlobalSymbolDescription = GetIntrinsic('%Symbol.keyFor%', true);
var thisSymbolValue = callBound('%Symbol.prototype.valueOf%', true);
var symToStr = callBound('Symbol.prototype.toString', true);
var $strSlice = callBound('String.prototype.slice');
var getInferredName = require('./getInferredName');
/* eslint-disable consistent-return */
module.exports = callBound('%Symbol.prototype.description%', true) || function getSymbolDescription(symbol) {
if (!thisSymbolValue) {
throw new $SyntaxError('Symbols are not supported in this environment');
}
// will throw if not a symbol primitive or wrapper object
var sym = thisSymbolValue(symbol);
if (getInferredName) {
var name = getInferredName(sym);
if (name === '') {
return;
}
return name.slice(1, -1); // name.slice('['.length, -']'.length);
}
var desc;
if (getGlobalSymbolDescription) {
desc = getGlobalSymbolDescription(sym);
if (typeof desc === 'string') {
return desc;
}
}
desc = $strSlice(symToStr(sym), 7, -1); // str.slice('Symbol('.length, -')'.length);
if (desc) {
return desc;
}
};