Please explain the following Javascript File in a markdown style document.

export const Renderer = (function () {
 let \_renderTo;
 let \_contentCallback;
 let states = [];
 let effects = [];
 let expressions = [];
 let hooks = [];
 let idx = 0;
 let \_rendering = false;

 function createElement(tagName, attributes = {}, ...children) {
 const \_redo = [];
 const \_props = [];
 const \_element = document.createElement(tagName);
 for (const key in attributes) {
 let attr = attributes[key];
 if (typeof attr !== "function") {
 \_props[key] = attributes[key];
 continue;
 } else \_redo.push(key);
 }
 children.forEach((child) => {
 if (child === false) return;
 if (typeof child === "function") child(\_element);
 else \_element.appendChild(child);
 });
 if (\_props["dataset"]) {
 for (const data in \_props.dataset) {
 \_element.dataset[data] = \_props.dataset[data];
 }
 delete \_props.dataset;
 }
 Object.assign(\_element, \_props);
 if (\_props.hasOwnProperty("style")) {
 for (const style in \_props.style) {
 if (
 typeof \_props.style[style] === "function" &&
 states.includes(\_props.style[style])
 ) {
 let \_idx = states.indexOf(\_props.style[style]);
 let \_val = states[\_idx]();
 addHook(\_idx, (newVal) => {
 \_element.style[style] = newVal;
 });
 \_element.style[style] = \_val;
 } else {
 \_element.style[style] = \_props.style[style];
 }
 }
 }
 \_redo.forEach((key) => {
 let attr = attributes[key];
 if (states.includes(attr)) {
 let \_idx = states.indexOf(attr);
 attr = states[\_idx]();
 addHook(\_idx, (newVal) => {
 \_element[key] = newVal;
 });
 }
 \_element[key] = attr;
 });
 return \_element;
 }

 function addStyleSheet(path) {
 let prefix = INCL\_DIR ? INCL\_DIR : "../../incl";
 let href = `${prefix}/components/${path}`;
 const styleSheet = Renderer.createElement("link", {
 rel: "stylesheet",
 type: "text/css",
 href: href,
 });
 document.querySelector("head").appendChild(styleSheet);
 }

 const addHook = (idx, hook) => {
 if (hooks[idx]) {
 hooks[idx].push(hook);
 } else {
 hooks[idx] = [hook];
 }
 };

 const useState = (defaultValue) => {
 let callback = typeof defaultValue == "function" ? defaultValue : null;
 let \_value = defaultValue;
 const \_idx = idx++;

 const getState = () => {
 return typeof callback === "function" ? callback() : \_value;
 };

 const setState = (newValue) => {
 \_value = newValue;
 if (hooks[\_idx] !== undefined) {
 hooks[\_idx].forEach((hook) => {
 hook(\_value);
 });
 }
 checkEffects(\_idx);
 };

 states[\_idx] = getState;

 return [getState, setState];
 };

 const useEffect = (callback, ...watches) => {
 let \_idx = idx++;

 effects[\_idx] = [];

 watches.forEach((watch) => {
 let \_oldValue = watch();
 $(document).ready(() => {
 callback(\_oldValue, \_oldValue);
 });
 effects[\_idx].push(() => {
 let newVal = watch();
 if (typeof \_oldValue === "object" && typeof newVal === "object") {
 if (JSON.stringify(\_oldValue) !== JSON.stringify(newVal)) {
 callback(newVal, \_oldValue);
 \_oldValue = newVal;
 }
 } else {
 if (\_oldValue !== newVal) {
 callback(newVal, \_oldValue);
 \_oldValue = newVal;
 }
 }
 });
 });
 };

 function checkEffects(\_idx) {
 if (\_rendering) return;
 \_rendering = true;
 effects.forEach((effect) => {
 effect.forEach((watch) => {
 watch();
 });
 });
 expressions.forEach((expression) => {
 expression.setRes(expression.res());
 });
 \_rendering = false;
 }

 function useExpression(expression, result, onFalse) {
 if (typeof expression !== "function") {
 console.warn("Expression must be of type function");
 return;
 }

 let \_idx = idx++;
 let \_parent = null;

 const [res, setRes] = useState(expression);
 const [prop, setProp] = useState(result);

 expressions[\_idx] = {
 res: res,
 setRes: setRes,
 };

 useEffect(() => {
 if (!res()) {
 if (result instanceof HTMLElement) {
 \_parent = result.parentElement;
 result.remove();
 }
 if (typeof result == "string") {
 setProp(onFalse);
 }
 } else {
 if (result instanceof HTMLElement) {
 \_parent = \_parent === null ? result.parentElement : \_parent;
 \_parent.appendChild(result);
 }
 if (typeof result == "string") {
 setProp(result);
 }
 }
 }, res);

 if (result instanceof HTMLElement) {
 return result;
 }
 if (typeof result == "string") {
 return prop;
 } else {
 return result;
 }
 }

 return { createElement, addStyleSheet, useState, useEffect, useExpression };
})();
임대 마크다운 스타일 문서에서 다음 자바스크립트 파일을 설명합니다.export const Renderer = (함수 () { let \_renderTo; let \_contentCallback; let states = []; let effects = []; let expressions = []; let hooks = []; let idx = 0; let \_rendering = false; 함수 createElement(tagName, attributes = {}, ...children) { const \_redo = []; const \_props = []; const \_element = document.createElement(tagName); for (const key in attributes) { let attr = attributes[key]; if (typeof attr !== "function") { \_props[key] = attributes[key]; 계속 } else \_redo.push(key); } children.forEach((child) => { if (child === false) return; if (child 유형 === "함수") child(\_element); else \_element.appendChild(child); }); if (\_props["dataset"]) { for (const data in \_props.dataset) { \_element.dataset[data] = \_props.dataset[data]; } delete \_props.dataset; } Object.assign(\_element, \_props); if (\_props.hasOwnProperty("style")) { for (const style in \_props.style) { if ( typeof \_props.style[style] === "function" && states.includes(\_props.style[style]) ) { let \_idx = states.indexOf(\_props.style[style]); let \_val = states[\_idx](); addHook(\_idx, (newVal) => { \_element.style[style] = newVal; }); \_element.style[style] = \_val; } else { \_element.style[style] = \_props.style[style]; } } } \_redo.forEach((key) => { let attr = attributes[key]; if (states.includes(attr)) { let \_idx = states.indexOf(attr); attr = states[\_idx](); addHook(\_idx, (newVal) => { \_element[key] = newVal; }); } \_element[key] = attr; }); 반환 \_element; } 함수 addStyleSheet(path) { let prefix = INCL\_DIR ? INCL\_DIR : "../../incl"; let href = `${접두사}/컴포넌트/${경로}`; const styleSheet = Renderer.createElement("link", { rel: "스타일시트", type: "text/css", href: href, }); document.querySelector("head").appendChild(styleSheet); } const addHook = (idx, hook) => {{ if (hooks[idx]) { hooks[idx].push(hook); } else { hooks[idx] = [hook]; } }; const useState = (defaultValue) => { let callback = typeof defaultValue == "function" ? defaultValue : null; let \_value = defaultValue; const \_idx = idx++; const getState = () => { 반환 콜백 유형 === "함수" ? 콜백() : \_value; }; const setState = (newValue) => { \_value = newValue; if (hooks[\_idx] !== undefined) { hooks[\_idx].forEach((hook) => { hook(\_value); }); } checkEffects(\_idx); }; states[\_idx] = getState; return [getState, setState]; }; const useEffect = (callback, ...watches) => { let \_idx = idx++; effects[\_idx] = []; watches.forEach((watch) => { let \_oldValue = watch(); $(document).ready(() => { callback(\_oldValue, \_oldValue); }); effects[\_idx].push(() => { let newVal = watch(); if (typeof \_oldValue === "object" && typeof newVal === "object") { if (JSON.stringify(\_oldValue) !== JSON.stringify(newVal)) { callback(newVal, \_oldValue); \oldValue = newVal; } } else { if (\_oldValue !== newVal) { callback(newVal, \_oldValue); \_oldValue = newVal; } } }); }); }; 함수 checkEffects(\_idx) { if (\_rendering) return; \렌더링 = true; effects.forEach((effect) => { effect.forEach((watch) => { watch(); }); }); expressions.forEach((expression) => { expression.setRes(expression.res()); }); \_rendering = false; } 함수 useExpression(expression, result, onFalse) { if (typeof expression !== "function") { console.warn("표현식은 함수 유형이어야 합니다"); return; } let \_idx = idx++; let \_parent = null; const [res, setRes] = useState(expression); const [prop, setProp] = useState(result); expressions[\_idx] = { res: res, setRes: setRes, }; useEffect(() => { if (!res()) { if (result instanceof HTMLElement) { \_parent = result.parentElement; result.remove(); } if (typeof result == "string") { setProp(onFalse); } } else { if (결과 인스턴스 오브 HTMLElement) { \_parent = \_parent === null ? result.parentElement : \_parent; \_parent.appendChild(result); } if (typeof result == "string") { setProp(결과); } } }, res); if (result instanceof HTMLElement) { 반환 결과; } if (typeof result == "string") { return prop; } else { 결과를 반환합니다; } } return { createElement, addStyleSheet, useState, useEffect, useExpression };})();