source: imaps-frontend/node_modules/get-symbol-description/index.js@ d565449

'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;
        }
};