You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
30 lines
852 B
30 lines
852 B
'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;
|
|
}
|
|
};
|