fix: runtime error reify undefined

This commit is contained in:
Felix Roos 2022-08-18 00:26:57 +02:00
parent 1941b1ff65
commit 48bf17614f

View File

@ -1222,7 +1222,7 @@ export function pure(value) {
export function isPattern(thing) {
// thing?.constructor?.name !== 'Pattern' // <- this will fail when code is mangled
const is = thing instanceof Pattern || thing._Pattern;
const is = thing instanceof Pattern || thing?._Pattern;
if (!thing instanceof Pattern) {
console.warn(
`Found Pattern that fails "instanceof Pattern" check.