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node-database-error/src/errors/unique-constraint-violation.js

35 lines
1.2 KiB
JavaScript

'use strict';
const createError = require("create-error");
const pgErrorCodes = require("pg-error-codes");
const DatabaseError = require("../database-error.js");
let UniqueConstraintViolationError = createError(DatabaseError, "UniqueConstraintViolationError");
let detailsRegex = /Key \(([^\)]+)\)=\(([^\)]+)\) already exists\./;
module.exports = {
error: UniqueConstraintViolationError,
errorName: "UniqueConstraintViolationError",
check: function checkType(error) {
return (
// PostgreSQL (via `pg`):
(error.length != null && error.file != null && error.line != null && error.routine != null && error.code === "23505")
)
},
convert: function convertError(error) {
let [_, column, value] = detailsRegex.exec(error.detail);
return new UniqueConstraintViolationError(`Value '${value}' already exists for column '${column}' in table '${error.table}'`, {
originalError: error,
pgCode: error.code,
code: pgErrorCodes[error.code],
schema: error.schema,
table: error.table,
column: column,
value: value,
constraint: error.constraint
});
}
};