deepseek-ai/deepseek-harness · error · Error

typert-loader: ${pkgName} ${subject} must be an array

Error message

typert-loader: ${pkgName} ${subject} must be an array

What it means

Error "typert-loader: ${pkgName} ${subject} must be an array" thrown in deepseek-ai/deepseek-harness.

Source

Thrown at packages/typert/loader/src/index.ts:152

    requireString(pkgName, object, 'exportName', 'object')
    requireMembers(pkgName, object.members, `object "${object.name as string}"`)
    requireTypes(pkgName, object.types, `object "${object.name as string}"`)
  }
  for (const value of requireArray(pkgName, manifest.invocations, 'TYPERT.invocations')) {
    requireInvocation(pkgName, value)
  }
  return manifest as unknown as TypertContribution
}

function requireObject(pkgName: string, value: unknown, subject: string): Record<string, unknown> {
  if (typeof value !== 'object' || value === null || Array.isArray(value)) {
    throw new Error(`typert-loader: ${pkgName} ${subject} must be an object`)
  }
  return value as Record<string, unknown>
}

function requireArray(pkgName: string, value: unknown, subject: string): unknown[] {
  if (!Array.isArray(value)) throw new Error(`typert-loader: ${pkgName} ${subject} must be an array`)
  return value
}

function requireString(pkgName: string, value: Record<string, unknown>, key: string, subject: string): void {
  if (typeof value[key] !== 'string' || value[key].length === 0) {
    throw new Error(`typert-loader: ${pkgName} ${subject} has a missing or empty ${key}`)
  }
}

function requireDocumentation(pkgName: string, value: Record<string, unknown>, subject: string): void {
  requireArray(pkgName, value.tags, `${subject}.tags`)
  for (const key of ['description', 'summary', 'jsDoc'] as const) {
    if (value[key] !== undefined && typeof value[key] !== 'string') {
      throw new Error(`typert-loader: ${pkgName} ${subject}.${key} must be a string`)
    }
  }
}

View on GitHub (pinned to b150a551b8)

Solutions

1. Fix the manifest so the named subject is an array.

When it happens

Trigger: Thrown at packages/typert/loader/src/index.ts:152 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/8ad02887d2a0431c. Report an issue: GitHub.