Fix failing tests due to failed error logging
Unit and integration tests have been failing due to failed logging of `Error` objects. These were creating an issue where `mocha` was not properly returning right exit codes, leading to test pipelines incorrectly passing despite test failures. - Fix runtime behavior of failing to retrieve error stacks. - Add tests for error handling. - Add more robust custom error handling. Related issues: babel/babel#14273, vuejs/vue-cli#6994.
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50
src/application/Common/CustomError.ts
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50
src/application/Common/CustomError.ts
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/*
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Provides a unified and resilient way to extend errors across platforms.
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Rationale:
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- Babel:
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> "Built-in classes cannot be properly subclassed due to limitations in ES5"
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> https://web.archive.org/web/20230810014108/https://babeljs.io/docs/caveats#classes
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- TypeScript:
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> "Extending built-ins like Error, Array, and Map may no longer work"
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> https://web.archive.org/web/20230810014143/https://github.com/Microsoft/TypeScript-wiki/blob/main/Breaking-Changes.md#extending-built-ins-like-error-array-and-map-may-no-longer-work
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*/
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export abstract class CustomError extends Error {
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constructor(message?: string, options?: ErrorOptions) {
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super(message, options);
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fixPrototype(this, new.target.prototype);
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ensureStackTrace(this);
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this.name = this.constructor.name;
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}
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}
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export const Environment = {
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getSetPrototypeOf: () => Object.setPrototypeOf,
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getCaptureStackTrace: () => Error.captureStackTrace,
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};
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function fixPrototype(target: Error, prototype: CustomError) {
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// https://www.typescriptlang.org/docs/handbook/release-notes/typescript-2-2.html#support-for-newtarget
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const setPrototypeOf = Environment.getSetPrototypeOf();
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if (!functionExists(setPrototypeOf)) {
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return;
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}
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setPrototypeOf(target, prototype);
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}
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function ensureStackTrace(target: Error) {
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const captureStackTrace = Environment.getCaptureStackTrace();
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if (!functionExists(captureStackTrace)) {
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// captureStackTrace is only available on V8, if it's not available
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// modern JS engines will usually generate a stack trace on error objects when they're thrown.
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return;
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}
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captureStackTrace(target, target.constructor);
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}
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function functionExists(func: unknown): boolean {
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// Not doing truthy/falsy check i.e. if(func) as most values are truthy in JS for robustness
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return typeof func === 'function';
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}
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@@ -1,11 +1,10 @@
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import { CustomError } from '@/application/Common/CustomError';
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import { NodeType } from './NodeType';
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import { NodeData } from './NodeData';
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export class NodeDataError extends Error {
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export class NodeDataError extends CustomError {
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constructor(message: string, public readonly context: INodeDataErrorContext) {
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super(createMessage(message, context));
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Object.setPrototypeOf(this, new.target.prototype); // https://www.typescriptlang.org/docs/handbook/release-notes/typescript-2-2.html#support-for-newtarget
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this.name = new.target.name;
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}
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}
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