class-validator/esm5/validation/ValidationError.js

/**
 * Validation error description.
 */
var ValidationError = /** @class */ (function () {
    function ValidationError() {
    }
    /**
     *
     * @param shouldDecorate decorate the message with ANSI formatter escape codes for better readability
     * @param hasParent true when the error is a child of an another one
     * @param parentPath path as string to the parent of this property
     * @param showConstraintMessages show constraint messages instead of constraint names
     */
    ValidationError.prototype.toString = function (shouldDecorate, hasParent, parentPath, showConstraintMessages) {
        var _this = this;
        if (shouldDecorate === void 0) { shouldDecorate = false; }
        if (hasParent === void 0) { hasParent = false; }
        if (parentPath === void 0) { parentPath = ""; }
        if (showConstraintMessages === void 0) { showConstraintMessages = false; }
        var boldStart = shouldDecorate ? "\u001B[1m" : "";
        var boldEnd = shouldDecorate ? "\u001B[22m" : "";
        var constraintsToString = function () { var _a; return (showConstraintMessages ? Object.values : Object.keys)((_a = _this.constraints) !== null && _a !== void 0 ? _a : {}).join(", "); };
        var propConstraintFailed = function (propertyName) {
            return " - property ".concat(boldStart).concat(parentPath).concat(propertyName).concat(boldEnd, " has failed the following constraints: ").concat(boldStart).concat(constraintsToString()).concat(boldEnd, " \n");
        };
        if (!hasParent) {
            return ("An instance of ".concat(boldStart).concat(this.target ? this.target.constructor.name : 'an object').concat(boldEnd, " has failed the validation:\n") +
                (this.constraints ? propConstraintFailed(this.property) : "") +
                (this.children
                    ? this.children
                        .map(function (childError) { return childError.toString(shouldDecorate, true, _this.property, showConstraintMessages); })
                        .join("")
                    : ""));
        }
        else {
            // we format numbers as array indexes for better readability.
            var formattedProperty_1 = Number.isInteger(+this.property)
                ? "[".concat(this.property, "]")
                : "".concat(parentPath ? "." : "").concat(this.property);
            if (this.constraints) {
                return propConstraintFailed(formattedProperty_1);
            }
            else {
                return this.children
                    ? this.children
                        .map(function (childError) {
                        return childError.toString(shouldDecorate, true, "".concat(parentPath).concat(formattedProperty_1), showConstraintMessages);
                    })
                        .join("")
                    : "";
            }
        }
    };
    return ValidationError;
}());
export { ValidationError };
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