graphql-binding/dist/utils/addFragmentToInfo.js

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"use strict";
var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
    if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];
    result["default"] = mod;
    return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
var graphql_1 = require("graphql");
var info_1 = require("../info");
var immutable = __importStar(require("object-path-immutable"));
function addFragmentToInfo(info, fragment) {
    var returnType = info_1.getDeepType(info.returnType);
    if (returnType instanceof graphql_1.GraphQLScalarType) {
        throw new Error("Can't add fragment \"" + fragment + "\" because return type of info object is a scalar type " + info.returnType.toString());
    }
    var ast = graphql_1.parse(fragment);
    var deepReturnType = info_1.getDeepType(returnType);
    if (ast.definitions[0].kind === 'FragmentDefinition' &&
        ast.definitions[0].typeCondition.name.value !==
            deepReturnType.toString()) {
        throw new Error("Type " + ast.definitions[0].typeCondition.name.value + " specified in fragment doesn't match return type " + deepReturnType.toString());
    }
    return immutable.update(info, ['fieldNodes', 0, 'selectionSet', 'selections'], function (selections) {
        return selections.concat(ast.definitions[0].selectionSet.selections);
    });
}
exports.addFragmentToInfo = addFragmentToInfo;
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