graphql-composer/helpers/TypeParser.js

Create your GraphQL API using composition!

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.TypeParser = void 0;
const graphql_1 = require("graphql");
const __1 = require("..");
const definition_1 = require("../definition");
class TypeParser {
    static parse(type, requiredByDefault = false, arrayRequired = undefined, forceNullable = false, forceRequired = false) {
        let finalType;
        if (Array.isArray(type)) {
            finalType = this.parse(type[0], requiredByDefault, arrayRequired, forceNullable, arrayRequired === undefined ? requiredByDefault : arrayRequired);
            if (finalType) {
                finalType = graphql_1.GraphQLList(finalType);
            }
        }
        if (type instanceof __1.GQLAnyType) {
            finalType = type.built;
        }
        if (type instanceof graphql_1.GraphQLScalarType) {
            finalType = type;
        }
        switch (type) {
            case String:
                finalType = graphql_1.GraphQLString;
                break;
            case Number:
                finalType = graphql_1.GraphQLFloat;
                break;
            case Boolean:
                finalType = graphql_1.GraphQLBoolean;
                break;
            case Date:
                finalType = __1.DateTime;
                break;
        }
        if ((requiredByDefault && !forceNullable) || forceRequired) {
            if (type instanceof __1.NullableType) {
                finalType = this.parse(type.type, requiredByDefault, arrayRequired, true);
            }
            else if (type instanceof definition_1.RequiredType) {
                const t = this.parse(type.type, requiredByDefault, arrayRequired);
                if (t) {
                    finalType = graphql_1.GraphQLNonNull(t);
                }
            }
            else if (finalType) {
                finalType = graphql_1.GraphQLNonNull(finalType);
            }
        }
        else {
            if (type instanceof definition_1.RequiredType) {
                const t = this.parse(type.type, requiredByDefault, arrayRequired);
                if (t) {
                    finalType = graphql_1.GraphQLNonNull(t);
                }
            }
            else if (type instanceof __1.NullableType) {
                finalType = this.parse(type.type, requiredByDefault, arrayRequired, true);
            }
        }
        return finalType;
    }
}
exports.TypeParser = TypeParser;
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