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    Class ViewRenderError

    A view component threw while rendering, or returned undefined — almost always a missing return, since null and false are the deliberate render-nothing values and yield an empty string. A failure raised from a throwing component carries the original as cause, so the underlying fault is never swallowed.

    try {
      await engine.render(Page, props);
    } catch (error) {
      if (error instanceof ViewRenderError) {
        logger.error('view render failed', { component: error.message });
      }
    }

    0.6.0

    Hierarchy

    • Error
      • ViewRenderError
    Index
    constructor
    cause? message name stack? stackTraceLimit
    captureStackTrace prepareStackTrace

    • Builds the error, naming the component in the message and forwarding any original fault through the standard cause chain.

      Parameters

      • component: Component<never>

        The component that failed to render

      • reason: string

        What went wrong, phrased to follow the component's name

      • Optionaloptions: ErrorOptions

        Standard ErrorOptions; a throwing component passes the original error as cause

      Returns ViewRenderError

    cause?: unknown
    message: string
    name: string
    stack?: string
    stackTraceLimit: number

    The Error.stackTraceLimit property specifies the number of stack frames collected by a stack trace (whether generated by new Error().stack or Error.captureStackTrace(obj)).

    The default value is 10 but may be set to any valid JavaScript number. Changes will affect any stack trace captured after the value has been changed.

    If set to a non-number value, or set to a negative number, stack traces will not capture any frames.

    • Creates a .stack property on targetObject, which when accessed returns a string representing the location in the code at which Error.captureStackTrace() was called.

      const myObject = {};
      Error.captureStackTrace(myObject);
      myObject.stack;  // Similar to `new Error().stack`

      The first line of the trace will be prefixed with ${myObject.name}: ${myObject.message}.

      The optional constructorOpt argument accepts a function. If given, all frames above constructorOpt, including constructorOpt, will be omitted from the generated stack trace.

      The constructorOpt argument is useful for hiding implementation details of error generation from the user. For instance:

      function a() {
        b();
      }

      function b() {
        c();
      }

      function c() {
        // Create an error without stack trace to avoid calculating the stack trace twice.
        const { stackTraceLimit } = Error;
        Error.stackTraceLimit = 0;
        const error = new Error();
        Error.stackTraceLimit = stackTraceLimit;

        // Capture the stack trace above function b
        Error.captureStackTrace(error, b); // Neither function c, nor b is included in the stack trace
        throw error;
      }

      a();

      Parameters

      • targetObject: object
      • OptionalconstructorOpt: Function

      Returns void

    • Parameters

      • err: Error
      • stackTraces: CallSite[]

      Returns any

      https://v8.dev/docs/stack-trace-api#customizing-stack-traces

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