@relay-graphql-js/validation-rules/dist/utils.js

shared relay validation rules for graphql-js parser

"use strict";
exports.__esModule = true;
exports.isConnectionType = exports.getConnectionDirective = exports.makeNonNullable = exports.containsVariableNodes = exports.isFragmentDefinition = exports.isFragmentSpread = exports.findFragmentDefinitionParent = exports.findFragmentSpreadParent = void 0;
var graphql_1 = require("graphql");
function findFragmentSpreadParent(nodes) {
    return nodes.find(isFragmentSpread);
}
exports.findFragmentSpreadParent = findFragmentSpreadParent;
function findFragmentDefinitionParent(nodes) {
    return nodes.find(isFragmentDefinition);
}
exports.findFragmentDefinitionParent = findFragmentDefinitionParent;
function isFragmentSpread(node) {
    return node != null && node.kind === "FragmentSpread";
}
exports.isFragmentSpread = isFragmentSpread;
function isFragmentDefinition(node) {
    return node != null && node.kind === "FragmentDefinition";
}
exports.isFragmentDefinition = isFragmentDefinition;
function containsVariableNodes(node) {
    var hasVars = false;
    graphql_1.visit(node, {
        Variable: function () {
            hasVars = true;
            return graphql_1.BREAK;
        }
    });
    return hasVars;
}
exports.containsVariableNodes = containsVariableNodes;
function makeNonNullable(type) {
    if (!(type instanceof graphql_1.GraphQLNonNull)) {
        return new graphql_1.GraphQLNonNull(type);
    }
    return type;
}
exports.makeNonNullable = makeNonNullable;
function getConnectionDirective(fieldNode) {
    var directive = fieldNode.directives && fieldNode.directives.find(function (d) { return d.name.value === "connection"; });
    if (!directive) {
        return null;
    }
    var keyArgument = directive.arguments && directive.arguments.find(function (arg) { return arg.name.value === "key"; });
    if (!keyArgument || keyArgument.value.kind !== "StringValue") {
        return {
            key: null,
            directive: directive
        };
    }
    return {
        key: keyArgument.value.value,
        directive: directive
    };
}
exports.getConnectionDirective = getConnectionDirective;
function isConnectionType(type) {
    var nullableType = graphql_1.getNullableType(type);
    if (!(nullableType instanceof graphql_1.GraphQLObjectType)) {
        return false;
    }
    return nullableType.name.endsWith("Connection");
}
exports.isConnectionType = isConnectionType;