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'use strict';
const lazy = (mod, fn, id) => mod === undefined ? fn(id) : mod;
module.exports = fn => {
return id => {
let mod;
return function () {
if (arguments.length === 0) {
mod = lazy(mod, fn, id);
return mod;
}
const ret = {};
[].forEach.call(arguments, prop => {
Object.defineProperty(ret, prop, {
get: () => {
mod = lazy(mod, fn, id);
if (typeof mod[prop] === 'function') {
return function () {
return mod[prop].apply(mod, arguments);
};
}
return mod[prop];
}
});
});
return ret;
};
};
};
module.exports.proxy = fn => {
return id => {
let mod;
const handler = {
get: (target, property) => {
mod = lazy(mod, fn, id);
return Reflect.get(mod, property);
},
apply: (target, thisArg, argumentsList) => {
mod = lazy(mod, fn, id);
return Reflect.apply(mod, thisArg, argumentsList);
}
};
return new Proxy(() => {}, handler);
};
};
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