Created
October 4, 2022 09:49
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Enhance async stack traces
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// Async stack traces are often a bit useless - there is a max depth after which context is lost. | |
// This is a rather hacky attempt to maintain the full stack. | |
// https://github.com/sindresorhus/got/blob/main/documentation/async-stack-traces.md | |
// https://github.com/nodejs/node/issues/36126 | |
const asyncHooks = require("async_hooks"); | |
const traces = new Map(); | |
asyncHooks | |
.createHook({ | |
init(id) { | |
const trace = {}; | |
Error.captureStackTrace(trace); | |
traces.set(id, trace.stack.replace(/(^.+$\n){4}/m, "\n")); | |
}, | |
destroy(id) { | |
traces.delete(id); | |
}, | |
}) | |
.enable(); | |
globalThis.Error = class extends Error { | |
constructor(message) { | |
super(message); | |
this.constructor.captureStackTrace(this, this.constructor); | |
} | |
static captureStackTrace(what, where) { | |
super.captureStackTrace.call(Error, what, where); | |
const trace = traces.get(asyncHooks.executionAsyncId()); | |
if (trace) { | |
// remove noisy internals from the stack | |
const filteredTrace = trace | |
.split("\n") | |
.filter((line) => line.indexOf("node:internal") === -1 && line.indexOf("jest-circus") === -1) | |
.join("\n"); | |
what.stack += filteredTrace; | |
} | |
} | |
}; |
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