@typed/io/cjs/decoder/Union.js

Runtime IO type system

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.union = void 0;
const either_1 = require("@typed/either");
const strings_1 = require("@typed/strings");
const Decoder_1 = require("./Decoder");
exports.union = (decoders, expected = decoders.map((d) => d.expected).join(' | ')) => ({
    expected,
    *decode(i) {
        for (const { decode } of decoders) {
            const either = yield* Decoder_1.catchDecodeFailure(decode(i));
            if (either_1.isRight(either)) {
                return either_1.fromRight(either);
            }
        }
        return yield* Decoder_1.decodeFailure(Decoder_1.DecodeError.create(expected, strings_1.toString(i)));
    },
});
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