@digitalasset/daml-ledger/lib/validation/Enumeration.js

DAML Ledger API Node.js bindings

"use strict";
// Copyright (c) 2021 Digital Asset (Switzerland) GmbH and/or its affiliates. All rights reserved.
// SPDX-License-Identifier: Apache-2.0
Object.defineProperty(exports, "__esModule", { value: true });
exports.enumeration = void 0;
const Validation_1 = require("./Validation");
function valuesOf(enumeration) {
    return Object.keys(enumeration).filter(k => typeof enumeration[k] === "number").map(k => enumeration[k]);
}
// NOTE: works only for `enum`s without custom initializers
function enumeration(enumeration, type) {
    return {
        type: type,
        validate(value, key, validation) {
            const node = Validation_1.init(key, validation);
            const values = valuesOf(enumeration);
            if (!values.some(v => v === value)) {
                const error = {
                    errorType: 'type-error',
                    expectedType: this.type,
                    actualType: Validation_1.typeOf(value)
                };
                node.errors.push(error);
            }
            return validation || node;
        }
    };
}
exports.enumeration = enumeration;
;
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