oven-sh/bun · error · SyntaxError

Function ${name} has an unclosed generic type. Missing ${dep

Error message

Function ${name} has an unclosed generic type. Missing ${depth} closing angle bracket(s).

What it means

Error "Function ${name} has an unclosed generic type. Missing ${depth} closing angle bracket(s)." thrown in oven-sh/bun.

Source

Thrown at src/codegen/bundle-functions.ts:221

      var remaining = contents.slice(nameMatch[0].length);

      // remove type parameters
      if (remaining.startsWith("<")) {
        var cursor = 1; // skip peeked '<'
        var depth = 1; // already entered first bracket pair
        for (; depth > 0 && cursor < remaining.length; cursor++) {
          switch (remaining[cursor]) {
            case "<":
              depth++;
              break;
            case ">":
              depth--;
              break;
          }
        }

        if (depth > 0) {
          throw new SyntaxError(
            `Function ${name} has an unclosed generic type. Missing ${depth} closing angle bracket(s).`,
          );
        }
        remaining = remaining.slice(cursor).trimStart();
      }

      // parse function parameters
      assert(
        remaining.startsWith("("),
        new SyntaxError(`Function ${name} is missing parameter list start. Found:\n\n\t${remaining.slice(0, 100)}`),
      );
      const paramMatch = remaining.match(/^\(([^)]*)\)(?:\s*:\s*([^{\n]+))?\s*{?/);
      if (!paramMatch)
        throw new SyntaxError(
          `Could not parse parameters for function ${name}:\n` + contents.slice(0, contents.indexOf("\n")),
        );
      const paramString = paramMatch[1];
      const params =

View on GitHub (pinned to 8c5296ac45)

When it happens

Trigger: Thrown at src/codegen/bundle-functions.ts:221 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/908c8f2db94dad8b. Report an issue: GitHub.