deepseek-ai/deepseek-harness · error · TypertEmitError

typert Zod emitter: ${subject}: ${message}

Error message

typert Zod emitter: ${subject}: ${message}

What it means

Error "typert Zod emitter: ${subject}: ${message}" thrown in deepseek-ai/deepseek-harness.

Source

Thrown at packages/typert/generator/src/emitter.ts:829

  private describe(schema: string, documentation: DocumentationModel): string {
    return documentation.description === undefined ? schema : `${schema}.describe(${quote(documentation.description)})`
  }

  private optional(schema: string, optional: boolean): string {
    return optional ? `${schema}.optional()` : schema
  }

  private readonly(schema: string, readonly: boolean): string {
    return readonly ? `${schema}.readonly()` : schema
  }

  private unsupported(node: TypeNodeModel): never {
    this.fail(node.id, `type node ${node.kind} has no Zod projection`)
  }

  private fail(subject: string, message: string): never {
    throw new TypertEmitError(`typert Zod emitter: ${subject}: ${message}`)
  }
}

function documentationLiteral(documentation: DocumentationModel): DocumentationModel {
  return {
    ...(documentation.description === undefined ? {} : { description: documentation.description }),
    ...(documentation.summary === undefined ? {} : { summary: documentation.summary }),
    tags: documentation.tags,
    ...(documentation.jsDoc === undefined ? {} : { jsDoc: documentation.jsDoc }),
  }
}

function invocationBoundaryRoots(invocations: readonly InvocationModel[]): BoundarySchemaRoot[] {
  const result: BoundarySchemaRoot[] = []
  for (const invocation of invocations) {
    if (invocation.invocation.kind === 'context') {
      result.push({ key: contextBoundaryKey(invocation), type: invocation.invocation.boundary.codecType })
    }

View on GitHub (pinned to b150a551b8)

Solutions

1. Fix the Zod schema emission error reported for the named subject.

When it happens

Trigger: Thrown at packages/typert/generator/src/emitter.ts:829 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of deepseek-ai/deepseek-harness@b150a551b8 (2026-08-24). Data as JSON: /api/errors/fa09a99b06801158. Report an issue: GitHub.