91 lines
1.9 KiB
TypeScript
91 lines
1.9 KiB
TypeScript
export class CustomError extends Error {
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static code = 500;
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private _code?: number;
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get code(): number { return this._code || (<any>this).constructor.code; }
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set code(c: number) { this._code = c; }
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constructor(message?: string, code?: number) {
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super(message);
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if(code != null) this._code = code;
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}
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static from(err: Error): CustomError {
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const code = Number((<any>err).statusCode) ?? Number((<any>err).code);
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const newErr = new this(err.message || err.toString());
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return Object.assign(newErr, {
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stack: err.stack,
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...err,
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code: code ?? undefined
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});
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}
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static instanceof(err: Error) {
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return (<any>err).constructor.code != undefined;
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}
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toString() {
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return this.message || super.toString();
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}
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}
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export class BadRequestError extends CustomError {
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static code = 400;
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constructor(message: string = 'Bad Request') {
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super(message);
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}
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static instanceof(err: Error) {
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return (<any>err).constructor.code == this.code;
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}
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}
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export class UnauthorizedError extends CustomError {
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static code = 401;
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constructor(message: string = 'Unauthorized') {
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super(message);
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}
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static instanceof(err: Error) {
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return (<any>err).constructor.code == this.code;
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}
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}
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export class ForbiddenError extends CustomError {
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static code = 403;
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constructor(message: string = 'Forbidden') {
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super(message);
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}
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static instanceof(err: Error) {
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return (<any>err).constructor.code == this.code;
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}
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}
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export class NotFoundError extends CustomError {
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static code = 404;
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constructor(message: string = 'Not Found') {
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super(message);
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}
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static instanceof(err: Error) {
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return (<any>err).constructor.code == this.code;
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}
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}
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export class InternalServerError extends CustomError {
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static code = 500;
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constructor(message: string = 'Internal Server Error') {
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super(message);
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}
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static instanceof(err: Error) {
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return (<any>err).constructor.code == this.code;
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}
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}
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