function assertPrimitiveTypeFromString()

in server/src/standardLibrary/standardLibraryUtils.ts [158:188]

• 25 lines of code
• 5 McCabe index (conditional complexity)

function assertPrimitiveTypeFromString(text: string): PQP.Language.Type.TPrimitiveType {
    const split: ReadonlyArray<string> = text.split(" ");

    let isNullable: boolean;
    let typeKind: PQP.Language.Type.TypeKind;

    switch (split.length) {
        case 0:
            throw new Error("expected parameter.type to be nullish");

        case 1: {
            isNullable = false;
            typeKind = assertGetTypeKind(text);
            break;
        }

        case 2: {
            if (split[0] !== PQP.Language.Constant.LanguageConstant.Nullable) {
                throw new Error(`expected first word in text to be ${PQP.Language.Constant.LanguageConstant.Nullable}`);
            }
            isNullable = true;
            typeKind = assertGetTypeKind(split[1]);
            break;
        }

        default:
            throw new Error("expected text to be 1 or 2 words");
    }

    return PQP.Language.TypeUtils.createPrimitiveType(isNullable, typeKind);
}