veffect/dist/schema/unknown.js

powerful TypeScript validation library built on the robust foundation of Effect combining exceptional type safety, high performance, and developer experience. Taking inspiration from Effect's functional principles, VEffect delivers a balanced approach tha

"use strict";
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    Object.defineProperty(o, "default", { enumerable: true, value: v });
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Object.defineProperty(exports, "__esModule", { value: true });
exports.unknown = unknown;
const E = __importStar(require("../internal/effect"));
const validator_1 = require("../validator");
/**
 * Creates a schema that validates unknown values (accepts any value but preserves type safety)
 *
 * @returns A schema that validates unknown values
 *
 * @example
 * const unknownSchema = unknown();
 * unknownSchema.toValidator().parse("anything"); // => "anything" as unknown
 */
function unknown() {
    // Create a custom transformer implementation to bridge incompatible interfaces
    const transformSchema = (validator) => {
        return {
            _tag: 'TransformedSchema',
            toValidator: () => (0, validator_1.createEffectValidator)(validator)
        };
    };
    const schema = {
        _tag: 'UnknownSchema',
        toValidator: () => (0, validator_1.createEffectValidator)((input, _options) => {
            return E.succeed(input);
        }),
        // Refinement implementation
        refine: (refinement, message) => {
            return {
                ...schema,
                toValidator: () => (0, validator_1.createEffectValidator)((input, options) => {
                    const baseValidator = schema.toValidator();
                    return E.pipe(baseValidator.validate(input, options), E.flatMap(value => refinement(value)
                        ? E.succeed(value)
                        : E.fail({
                            _tag: 'RefinementValidationError',
                            message: typeof message === 'function'
                                ? message(value)
                                : message || 'Failed refinement',
                            path: options === null || options === void 0 ? void 0 : options.path
                        })));
                })
            };
        },
        // Transform implementation that returns a schema that satisfies the interface
        transform: (transformer) => {
            // Create a transformed schema that maintains chainability
            const makeTransformedSchema = (validate) => {
                const transformed = {
                    _tag: 'TransformedSchema',
                    toValidator: () => (0, validator_1.createEffectValidator)((input, options) => validate(input, options)),
                    // Allow chained refinements
                    refine: (refinement, message) => {
                        return makeTransformedSchema((input, options) => E.pipe(validate(input, options), E.flatMap(value => refinement(value)
                            ? E.succeed(value)
                            : E.fail({
                                _tag: 'RefinementValidationError',
                                message: typeof message === 'function'
                                    ? message(value)
                                    : message || 'Failed refinement',
                                path: options === null || options === void 0 ? void 0 : options.path
                            }))));
                    },
                    // Allow chained transforms
                    transform: (nextTransformer) => {
                        return makeTransformedSchema((input, options) => E.pipe(validate(input, options), E.map(value => nextTransformer(value))));
                    }
                };
                return transformed;
            };
            // Create the initial transformed schema
            const transformed = makeTransformedSchema((input, options) => E.pipe(schema.toValidator().validate(input, options), E.map(value => transformer(value))));
            // This cast is needed to bridge between the two interface types
            // TransformedUnknownSchema<U> implements Schema<U> so it's safe
            return transformed;
        }
    };
    return schema;
}