Files
Speedtest-Tracker/conf/site/node_modules/es-abstract/helpers/getSymbolDescription.js
Henry Whitaker ea5808047f Tweaked gitignore
gitignore removed all composer and npm files, so automated builds would fail
2020-04-12 21:24:03 +01:00

31 lines
852 B
JavaScript
Vendored

'use strict';
var GetIntrinsic = require('../GetIntrinsic');
var callBound = require('./callBound');
var $SyntaxError = GetIntrinsic('%SyntaxError%');
var symToStr = callBound('Symbol.prototype.toString', true);
var getInferredName = require('./getInferredName');
module.exports = function getSymbolDescription(symbol) {
if (!symToStr) {
throw new $SyntaxError('Symbols are not supported in this environment');
}
var str = symToStr(symbol); // will throw if not a symbol
if (getInferredName) {
var name = getInferredName(symbol);
if (name === '') { return; }
// eslint-disable-next-line consistent-return
return name.slice(1, -1); // name.slice('['.length, -']'.length);
}
var desc = str.slice(7, -1); // str.slice('Symbol('.length, -')'.length);
if (desc) {
// eslint-disable-next-line consistent-return
return desc;
}
};