surma
d44f1d9677
Checkpoint before integration and package validation. Assisted-by: SurmAgent:unknown [read] [edit] [bash]
20 lines
757 B
JavaScript
20 lines
757 B
JavaScript
import { assert } from "./assert.js";
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/* CallSite position getters return null for frames with no source position
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(native frames), matching V8, instead of leaking the internal -1. */
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Error.prepareStackTrace = (_, frames) => frames;
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const frames = [1].map(function m() { return new Error().stack; })[0];
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Error.prepareStackTrace = undefined;
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const native = frames.find((f) => f.isNative());
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assert(native !== undefined, true);
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assert(native.getLineNumber(), null);
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assert(native.getColumnNumber(), null);
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assert(native.getFileName(), null);
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/* frames with a real position still report numbers */
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const scripted = frames.find((f) => !f.isNative());
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assert(typeof scripted.getLineNumber(), "number");
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assert(typeof scripted.getColumnNumber(), "number");
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