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fix(bundle): prevent tail-call in entry module for proper stack trace #1678

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Merged
Perryvw merged 1 commit into from
Jan 23, 2026
Merged

fix(bundle): prevent tail-call in entry module for proper stack trace #1678

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4 changes: 3 additions & 1 deletion src/transpilation/bundle.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -110,7 +110,9 @@ export function getBundleResult(program: ts.Program, files: ProcessedFile[]): [t

// return require("<entry module path>")
const args = options.luaTarget === LuaTarget.Lua50 ? "unpack(arg == nil and {} or arg)" : "...";
const entryPoint = `return require(${createModulePath(entryModuleFilePath ?? entryModule, program)}, ${args})\n`;
// Avoid producing a tail-call (which removes the bundle's stack frame) by assigning the `require` result to a local and returning it.
const entryPath = createModulePath(entryModuleFilePath ?? entryModule, program);
const entryPoint = `local ____entry = require(${entryPath}, ${args})\nreturn ____entry\n`;

const footers: string[] = [];
if (options.sourceMapTraceback) {
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