diff options
Diffstat (limited to 'ext/web/01_dom_exception.js')
| -rw-r--r-- | ext/web/01_dom_exception.js | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/ext/web/01_dom_exception.js b/ext/web/01_dom_exception.js index 9bab4881a..82e8f867f 100644 --- a/ext/web/01_dom_exception.js +++ b/ext/web/01_dom_exception.js @@ -167,7 +167,12 @@ ObjectDefineProperty(DOMException.prototype, "stack", { // hack doesn't apply. This patches it in. ObjectDefineProperty(DOMException.prototype, "__callSiteEvals", { get() { - return ArrayPrototypeSlice(this[_error].__callSiteEvals, 1); + // Call the stack getter so `__callSiteEvals` get populated. + this[_error].stack; + // To be extra sure, use an empty array if `__callSiteEvals` is still not there, + // eg. if the user overrides `Error.prepareStackTrace`. + const callSiteEvals = this[_error].__callSiteEvals ?? []; + return ArrayPrototypeSlice(callSiteEvals, 1); }, configurable: true, }); |