@autorest/openapi-to-cadl/dist/utils/discriminator.js

Autorest plugin to scaffold a Typespec definition from an OpenAPI document

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.getDiscriminator = exports.getOwnDiscriminator = void 0;
const logger_1 = require("./logger");
function getOwnDiscriminator(schema) {
    var _a;
    return (_a = schema.discriminator) === null || _a === void 0 ? void 0 : _a.property;
}
exports.getOwnDiscriminator = getOwnDiscriminator;
function getDiscriminator(schema) {
    if (!schema.discriminatorValue) {
        return undefined;
    }
    const { serializedName: name, language } = getDiscriminatorProperty(schema);
    const type = `"${schema.discriminatorValue}"`;
    return {
        isOptional: false,
        name,
        type,
        kind: "property",
        doc: language.default.description,
    };
}
exports.getDiscriminator = getDiscriminator;
function getDiscriminatorProperty(schema) {
    var _a, _b;
    const logger = (0, logger_1.getLogger)("getDiscriminatorProperty");
    logger.info(`Getting discriminator property for ${schema.language.default.name}`);
    if ((_a = schema.discriminator) === null || _a === void 0 ? void 0 : _a.property) {
        return schema.discriminator.property;
    }
    if (!((_b = schema.parents) === null || _b === void 0 ? void 0 : _b.immediate) || schema.parents.immediate.length === 0) {
        throw new Error("No discriminator property found");
    }
    for (const parent of schema.parents.immediate) {
        const discriminator = getDiscriminatorProperty(parent);
        if (discriminator) {
            return discriminator;
        }
    }
    throw new Error("No discriminator property found");
}
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