constructor() — ui Function Reference

Architecture documentation for the constructor() function in errors.ts from the ui codebase.

Function typescript FrameworkTooling SchemaValidation

Entity Profile

FrameworkTooling→ SchemaValidation→ constructor() — ui Function Reference

Dependency Diagram

graph TD
  0762990b_6160_6b07_5d5b_0aa19816a9b8["constructor()"]
  6483a6d4_db49_af2f_d375_716b937db79e["RegistryFetchError"]
  0762990b_6160_6b07_5d5b_0aa19816a9b8 -->|defined in| 6483a6d4_db49_af2f_d375_716b937db79e
  style 0762990b_6160_6b07_5d5b_0aa19816a9b8 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

packages/shadcn/src/registry/errors.ts lines 126–160

  constructor(
    public readonly url: string,
    statusCode?: number,
    public readonly responseBody?: string,
    cause?: unknown
  ) {
    // Use the error detail from the server if available
    const baseMessage = statusCode
      ? `Failed to fetch from registry (${statusCode}): ${url}`
      : `Failed to fetch from registry: ${url}`

    const message =
      typeof cause === "string" && cause
        ? `${baseMessage} - ${cause}`
        : baseMessage

    let suggestion = "Check your network connection and try again."
    if (statusCode === 404) {
      suggestion =
        "The requested resource was not found. Check the URL or item name."
    } else if (statusCode === 500) {
      suggestion = "The registry server encountered an error. Try again later."
    } else if (statusCode && statusCode >= 400 && statusCode < 500) {
      suggestion = "There was a client error. Check your request parameters."
    }

    super(message, {
      code: RegistryErrorCode.FETCH_ERROR,
      statusCode,
      cause,
      context: { url, responseBody },
      suggestion,
    })
    this.name = "RegistryFetchError"
  }