import { buildMessage, ValidateBy } from '../common/ValidateBy';
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export const IS_INSTANCE = 'isInstance';
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/**
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* Checks if the value is an instance of the specified object.
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*/
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export function isInstance(object, targetTypeConstructor) {
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return (targetTypeConstructor && typeof targetTypeConstructor === 'function' && object instanceof targetTypeConstructor);
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}
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/**
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* Checks if the value is an instance of the specified object.
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*/
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export function IsInstance(targetType, validationOptions) {
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return ValidateBy({
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name: IS_INSTANCE,
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constraints: [targetType],
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validator: {
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validate: (value, args) => isInstance(value, args === null || args === void 0 ? void 0 : args.constraints[0]),
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defaultMessage: buildMessage((eachPrefix, args) => {
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if (args === null || args === void 0 ? void 0 : args.constraints[0]) {
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return eachPrefix + `$property must be an instance of ${args === null || args === void 0 ? void 0 : args.constraints[0].name}`;
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}
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else {
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return eachPrefix + `${IS_INSTANCE} decorator expects and object as value, but got falsy value.`;
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}
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}, validationOptions),
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},
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}, validationOptions);
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}
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//# sourceMappingURL=IsInstance.js.map
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