“Typscript -Wurffehler” Code-Antworten

JS werfen Fehler

throw new Error('Whoops!')
gaz_edge

Knoten Js werfen Fehler auf

FactoryController.prototype.create = function (callback) {
    //The throw is working, and the exception is returned.
    throw new Error('An error occurred'); //outside callback 
    try {
        this.check(function (check_result) {
            callback(check_result);
        });
    } catch (ex) {
        throw new Error(ex.toString());
    }
}

FactoryController.prototype.create = function (callback) {
    try {
        this.check(function (check_result) {
            //The throw is not working on this case to return the exception to the caller(parent)
            throw new Error('An error occurred'); //inside callback 
        });
    } catch (ex) {
        throw new Error(ex.toString());
    }
}
Helpless Hoopoe

Typscript -Wurffehler

throw new Error('Something bad occured');
Clever Cowfish

Fehler in TypeScript werfen

// Throw generic Error
throw new Error("This is the error message");

// Throw more specific error types
throw new EvalError()
throw new RangeError()
throw new ReferenceError()
throw new SyntaxError()
throw new TypeError()
throw new URIError()
throw new AggregateError()
throw new InternaError() // Non-standard: Not for production sites

// Custom Error
class FooBarError extends Error {
	constructor(message: string) {
    	super(message);
    }
    
    ...
}
Tomanator

Fehlertypscript werfen

var my_error : Error = new Error("Task failed successfully!");
throw my_error;
Uptight Unicorn

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