+31
-17
lines changedFilter options
+31
-17
lines changed Original file line number Diff line number Diff line change
@@ -5,11 +5,13 @@
5 5
const lorem = 'Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.';
6 6 7 7
function simpleErrorStack() {
8 -
try {
9 -
(lorem as any).BANG();
10 -
} catch (e) {
11 -
return e.stack;
12 -
}
8 +
[1].map(() => {
9 +
try {
10 +
(lorem as any).BANG();
11 +
} catch (e) {
12 +
return e.stack;
13 +
}
14 +
})
13 15
}
14 16 15 17
export {
@@ -53,9 +53,15 @@ function prepareStackTraceWithSourceMaps(error, trace) {
53 53
const sm = fileName === lastFileName ?
54 54
lastSourceMap :
55 55
findSourceMap(fileName);
56 -
lastSourceMap = sm;
57 -
lastFileName = fileName;
56 +
// Only when a source map is found, cache it for the next iteration.
57 +
// This is a performance optimization to avoid interleaving with JS builtin function
58 +
// invalidating the cache.
59 +
// - at myFunc (file:///path/to/file.js:1:2)
60 +
// - at Array.map (<anonymous>)
61 +
// - at myFunc (file:///path/to/file.js:3:4)
58 62
if (sm) {
63 +
lastSourceMap = sm;
64 +
lastFileName = fileName;
59 65
return `${kStackLineAt}${serializeJSStackFrame(sm, callSite, trace[i + 1])}`;
60 66
}
61 67
} catch (err) {
@@ -347,6 +347,11 @@ function findSourceMap(sourceURL) {
347 347
return undefined;
348 348
}
349 349 350 +
// No source maps for builtin modules.
351 +
if (sourceURL.startsWith('node:')) {
352 +
return undefined;
353 +
}
354 + 350 355
SourceMap ??= require('internal/source_map/source_map').SourceMap;
351 356
try {
352 357
if (RegExpPrototypeExec(kLeadingProtocol, sourceURL) === null) {
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