1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 | var fnName = require( '../utils/fnName' ); var namedFn = require( '../utils/namedFn' ); module.exports = function instanceOf( t ) { var n = fnName( t ); var fn = function instanceOfX( x ) { return x instanceof t; }; if ( n ) { fn = namedFn( `instanceOf_${n}`, fn ); } fn.__predToString = () => { return `instanceOf_${n || 'anonymous_type'}_`; } return fn; } |