oven-sh/bun · error · Error

Errors in ${basename}.ts: ${errors.map(x => x[1]).join("\n")

Error message

Errors in ${basename}.ts:
${errors.map(x => x[1]).join("\n")}

What it means

Error "Errors in ${basename}.ts: ${errors.map(x => x[1]).join("\n")}" thrown in oven-sh/bun.

Source

Thrown at src/codegen/bundle-functions.ts:337

    let output = (await build.outputs[0].text()).replaceAll("// @bun\n", "");
    let usesDebug = output.includes("$debug_log");
    let usesAssert = output.includes("$assert");
    const captured = output.match(/\$\$capture_start\$\$([\s\S]+)\.\$\$capture_end\$\$/)![1];
    const finalReplacement =
      captured
        .replace(
          /function\s*\(.*?\)\s*{/,
          '$&"use strict";' +
            (usesDebug ? createLogClientJS("BUILTINS", fn.name) : "") +
            (usesAssert ? createAssertClientJS(fn.name) : ""),
        )
        .replace(/^\((async )?function\(/, "($1function (")
        .replace(/__intrinsic__/g, "@")
        .replace(/__no_intrinsic__/g, "") + "\n";

    const errors = [...finalReplacement.matchAll(/@bundleError\((.*)\)/g)];
    if (errors.length) {
      throw new Error(`Errors in ${basename}.ts:\n${errors.map(x => x[1]).join("\n")}`);
    }

    bundledFunctions.push({
      name: fn.name,
      directives: fn.directives,
      source: finalReplacement,
      params: fn.params,
      // Async functions automatically get Private visibility because the parser
      // upgrades them when they use await (see Parser.cpp parseFunctionBody)
      visibility: fn.directives.visibility ?? (fn.directives.linkTimeConstant || fn.async ? "Private" : "Public"),
      constructAbility: fn.directives.ConstructAbility ?? "CannotConstruct",

      // Not known yet.
      sourceOffset: 0,

      overriddenName: fn.directives.getter
        ? `"get ${fn.name}"_s`
        : fn.directives.overriddenName

View on GitHub (pinned to 8c5296ac45)

When it happens

Trigger: Thrown at src/codegen/bundle-functions.ts:337 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of oven-sh/bun@8c5296ac45 (2026-08-16). Data as JSON: /api/errors/848e7026b653e059. Report an issue: GitHub.