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import { Key, Values } from "./types.ts";export const CAUSE = {    TYPE: "type",    UNDEFINED: "undefined",    NULL: "null",    EMPTY_STRING: "empty-string",    ONLY: "only",    CONVERTER: "converter",    MIN_VALUE: "min-value",    MAX_VALUE: "max-value",    MIN_LENGTH: "min-length",    MAX_LENGTH: "max-length",    PATTERN: "pattern",    CHECKSUM: "checksum"} as const;type CAUSE = typeof CAUSE[keyof typeof CAUSE];/** * Value-Schema Error */export class ValueSchemaError extends Error {    public readonly cause: CAUSE;    public readonly value: unknown;    public readonly keyStack: Key[];    /**     * throw an error     * @param cause cause of error     * @param values input/output values     * @param keyStack path to key that caused error     * @throws error object     */    static raise(cause: CAUSE, values: Values, keyStack: Key[]): never {        throw new ValueSchemaError(cause, values.input, keyStack);    }    /**     * check whether error is instance of ValueSchemaError or not     * @param err error to check     * @returns Yes/No     */    static is(err: unknown): err is ValueSchemaError {        return err instanceof ValueSchemaError;    }    /**     * constructor     * @param cause cause of error     * @param value input value     * @param keyStack path to key that caused error     */    constructor(cause: CAUSE, value: unknown, keyStack: Key[]) {        super(`${cause}; ${value}; ${keyStack}`);        this.name = "ValueSchemaError";        this.cause = cause;        this.value = value;        this.keyStack = [...keyStack];    }}