@connectv/core/dist/es6/shared/errors/emission-error.js

agent-based reactive programming library for typescript/javascript

import { Emission } from '../emission';
/**
 *
 * Represents when an error has occured during handling an emission.
 * You can retrieve the emission that resulted in the error via `.emission` property,
 * and you can retrieve the original error via `.original` property.
 *
 */
export class EmissionError extends Error {
    constructor(original, emission) {
        super(original instanceof Error ? original.message : original);
        this.emission = emission;
        if (original instanceof Error)
            this.original = original;
        else
            this.original = new Error(original);
    }
    get message() { return this.original.message; }
    get stack() { return this.original.stack; }
}
/**
 *
 * Checks if an object is an `EmissionError` (this is needed due to some issues
 * with Typescript's typechecking on Errors).
 *
 */
export function isEmissionError(err) {
    return err instanceof Error &&
        err.original instanceof Error &&
        err.emission instanceof Emission;
}
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