Abstractthe subsystem's message-code union
the structured fields the localised message needs
Protectedconstructorthe subsystem's message-code union
the structured fields the localised message needs
OptionalcauseReadonlycodeReadonlyparamsOptionalstackStaticstackThe 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.
StaticcaptureCreates 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();
OptionalconstructorOpt: FunctionStaticprepare
A refusal identified by a stable code. Subclass it per subsystem, narrowing
Codeto that subsystem's code union andParamsto the fields its sentences interpolate.Codeis constrained to MessageCode — the registry inmessage-code.ts— so a subsystem cannot invent a code the catalog has no sentence for: registering the union there is what makes the subclass compile. That is the whole point of the bridge, enforced at the type level rather than discovered when an operator reads a raw kebab id off a toast.