jointjs
Version:
JavaScript diagramming library
11 lines (9 loc) • 316 B
JavaScript
var classof = require('../internals/classof-raw');
// `thisNumberValue` abstract operation
// https://tc39.github.io/ecma262/#sec-thisnumbervalue
module.exports = function (value) {
if (typeof value != 'number' && classof(value) != 'Number') {
throw TypeError('Incorrect invocation');
}
return +value;
};