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53 lines
1.2 KiB
JavaScript
53 lines
1.2 KiB
JavaScript
'use strict';
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const createError = require("create-error");
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const DatabaseError = require("./database-error");
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let UnknownError = createError("UnknownError");
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let handlers = [
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require("./errors/unique-constraint-violation"),
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require("./errors/check-constraint-violation"),
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require("./errors/foreign-key-constraint-violation"),
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require("./errors/enum"),
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require("./errors/invalid-type"),
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require("./errors/undefined-column"),
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require("./errors/not-null-constraint-violation"),
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]
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function convertError(error) {
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let handler = handlers.find(handler => handler.check(error));
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if (handler != null) {
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return handler.convert(error);
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} else {
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throw new UnknownError("The specified error is not of a recognized type");
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}
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}
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function rethrowBetterError(originalError) {
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try {
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let betterError = convertError(originalError);
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throw betterError;
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} catch (err) {
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if (err instanceof UnknownError) {
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throw originalError;
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} else {
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throw err;
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}
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}
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}
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let errorTypes = handlers.reduce((errors, handler) => {
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errors[handler.errorName] = handler.error;
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return errors;
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}, {});
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module.exports = Object.assign({
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convert: convertError,
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rethrow: rethrowBetterError,
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UnknownError: UnknownError,
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DatabaseError: DatabaseError
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}, errorTypes)
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