use export default function makePrice code example
Example: javascript export default
export default const array = [1, 2, 3];
export default let array = [1, 2, 3];
export default var array = [1, 2, 3];
export default const variable = 'value';
export default let variable = 'value';
export default var variable = 'value';
export default const variable;
export default let variable;
export default var variable;
export default function functionName () {
// ...
}
export default class ClassName {
// ...
}
// Before you use export default: You can't have 2 or more export default's.