[EDIT] 달력 로직 수정

react-whenMeet/src/components/CalendarMonth.jsx

-import React, { useState } from "react"
+import React, { useState } from "react";
 import MakeDay from "./MakeDay";
 import MakeHeader from "./MakeHeader";
 import TableCell from "./TableCell";
 
-function MakeCell({ nowYear, nowMonth, usingDate, setUsingDate, startDate, endDate, setStartDate, setEndDate }){//주차 데이터를 담을 공간
+function MakeCell({
+  nowYear,
+  nowMonth,
+  usingDate,
+  setUsingDate,
+  startDate,
+  endDate,
+  setStartDate,
+  setEndDate,
+}) {
+  //주차 데이터를 담을 공간
   const calendarArr = [];
 
   const startDay = new Date(nowYear, nowMonth - 1, 1);
@@ -21,16 +31,17 @@ function MakeCell({ nowYear, nowMonth, usingDate, setUsingDate, startDate, endDa
   const [finish, setFinish] = useState(false);
 
   // 여기 달력 날짜 수정해야함
-    const fDay = new Date(nowYear, nowMonth - 1, 1 - startDay.getDay()) - (0);
-    const eDay = new Date(nowYear, nowMonth - 1, lastDate + 6 - lastDay.getDay()) - (0);
+  const fDay = new Date(nowYear, nowMonth - 1, 1 - startDay.getDay()) - 0;
+  const eDay =
+    new Date(nowYear, nowMonth - 1, lastDate + 6 - lastDay.getDay()) - 0;
 
   const handleDragStart = (newDate, idx, comp) => {
     setIsDragging(!isDragging);
     setDragStartDay(newDate);
     setFinish(false);
-        for(let day = fDay; day <= eDay; day+=(60*60*24*1000)){
+    for (let day = fDay; day <= eDay; day += 60 * 60 * 24 * 1000) {
       const elm = document.getElementById(day);
-            elm.classList.remove("dragging")
+      elm.classList.remove("dragging");
     }
   };
 
@@ -46,59 +57,112 @@ function MakeCell({ nowYear, nowMonth, usingDate, setUsingDate, startDate, endDa
       sd = ed;
       ed = tmp;
     }
-        for(let day = fDay; day <= eDay; day+=(60*60*24*1000)){
+    for (let day = fDay; day <= eDay; day += 60 * 60 * 24 * 1000) {
       const elm = document.getElementById(day);
-            elm.classList.remove("dragging")
+      elm.classList.remove("dragging");
     }
     const elm2 = document.getElementById(comp);
     // console.log(comp);
     if (elm2.classList.contains("dragging")) {
-            for(let day = ed; day >= comp; day -= (60*60*24*1000)){
+      for (let day = ed; day >= comp; day -= 60 * 60 * 24 * 1000) {
         const elm = document.getElementById(day);
-                elm.classList.remove("dragging")
+        elm.classList.remove("dragging");
       }
-        }
-        else {
-            for(let day = sd; day <= ed; day += (60*60*24*1000)){
+    } else {
+      for (let day = sd; day <= ed; day += 60 * 60 * 24 * 1000) {
         const elm = document.getElementById(day);
-                elm.classList.add("dragging")
+        elm.classList.add("dragging");
       }
     }
-
   };
 
   // let startDate="";
   // let endDate="";
 
-
   const handleDragEnd = (newDate, idx) => {
     setIsDragging(false);
     // setDragging("nope");
     if (dragStartDay - 0 < dragEndDay - 0) {
       // startDate = dragStartDay.getFullYear() + '-' + (dragStartDay.getMonth()+1) + '-' + dragStartDay.getDate();
       // endDate = dragEndDay.getFullYear() + '-' + (dragEndDay.getMonth()+1) + '-' + dragEndDay.getDate();
-            setStartDate(dragStartDay.getFullYear() + '-' + String(dragStartDay.getMonth()+1).padStart(2,"0") + '-' + String(dragStartDay.getDate()).padStart(2,"0"))
-            setEndDate(dragEndDay.getFullYear() + '-' + String(dragEndDay.getMonth()+1).padStart(2,"0") + '-' + String(dragEndDay.getDate()).padStart(2,"0"))
-        }
-        else{
+      setStartDate(
+        dragStartDay.getFullYear() +
+          "-" +
+          String(dragStartDay.getMonth() + 1).padStart(2, "0") +
+          "-" +
+          String(dragStartDay.getDate()).padStart(2, "0")
+      );
+      setEndDate(
+        dragEndDay.getFullYear() +
+          "-" +
+          String(dragEndDay.getMonth() + 1).padStart(2, "0") +
+          "-" +
+          String(dragEndDay.getDate()).padStart(2, "0")
+      );
+      setUsingDate({
+        startDate:
+          dragStartDay.getFullYear() +
+          "-" +
+          String(dragStartDay.getMonth() + 1).padStart(2, "0") +
+          "-" +
+          String(dragStartDay.getDate()).padStart(2, "0"),
+        endDate:
+          dragEndDay.getFullYear() +
+          "-" +
+          String(dragEndDay.getMonth() + 1).padStart(2, "0") +
+          "-" +
+          String(dragEndDay.getDate()).padStart(2, "0"),
+      });
+    } else {
       // endDate = dragStartDay.getFullYear() + '-' + (dragStartDay.getMonth()+1) + '-' + dragStartDay.getDate();
       // startDate = dragEndDay.getFullYear() + '-' + (dragEndDay.getMonth()+1) + '-' + dragEndDay.getDate();
-            setStartDate(dragEndDay.getFullYear() + '-' + String(dragEndDay.getMonth()+1).padStart(2,"0") + '-' + String(dragEndDay.getDate()).padStart(2,"0"))
-            setEndDate(dragStartDay.getFullYear() + '-' + String(dragStartDay.getMonth()+1).padStart(2,"0") + '-' + String(dragStartDay.getDate()).padStart(2,"0"))
+      setStartDate(
+        dragEndDay.getFullYear() +
+          "-" +
+          String(dragEndDay.getMonth() + 1).padStart(2, "0") +
+          "-" +
+          String(dragEndDay.getDate()).padStart(2, "0")
+      );
+      setEndDate(
+        dragStartDay.getFullYear() +
+          "-" +
+          String(dragStartDay.getMonth() + 1).padStart(2, "0") +
+          "-" +
+          String(dragStartDay.getDate()).padStart(2, "0")
+      );
+      setUsingDate({
+        startDate:
+          dragEndDay.getFullYear() +
+          "-" +
+          String(dragEndDay.getMonth() + 1).padStart(2, "0") +
+          "-" +
+          String(dragEndDay.getDate()).padStart(2, "0"),
+        endDate:
+          dragStartDay.getFullYear() +
+          "-" +
+          String(dragStartDay.getMonth() + 1).padStart(2, "0") +
+          "-" +
+          String(dragStartDay.getDate()).padStart(2, "0"),
+      });
     }
     // console.log(startDate);
     // console.log(endDate);
-        setUsingDate({startDate:startDate, endDate:endDate})
     setFinish(true);
   };
 
   const handleClick = (newDate, idx, comp) => {
     if (startDate && !finish) {
       // endDate = newDate.getFullYear() + '-' + (newDate.getMonth()+1) + '-' + newDate.getDate();
-            setEndDate(newDate.getFullYear() + '-' + String(newDate.getMonth()+1).padStart(2,"0") + '-' + String(newDate.getDate()).padStart(2,"0"));
+      setEndDate(
+        newDate.getFullYear() +
+          "-" +
+          String(newDate.getMonth() + 1).padStart(2, "0") +
+          "-" +
+          String(newDate.getDate()).padStart(2, "0")
+      );
       // console.log("e", endDate);
 
-            let sd = new Date(startDate+'T00:00:00') - 0;
+      let sd = new Date(startDate + "T00:00:00") - 0;
       let ed = new Date(newDate) - 0;
       // let sd = new Date(startDate) - 0;
       // let ed = new Date(newDate) - 0;
@@ -108,65 +172,103 @@ function MakeCell({ nowYear, nowMonth, usingDate, setUsingDate, startDate, endDa
         sd = ed;
         ed = tmp;
       }
-            console.log(new Date(sd).getFullYear() + '-' + String(new Date(sd).getMonth()+1).padStart(2,"0") + '-' + String(new Date(sd).getDate()).padStart(2,"0"))
-            console.log(new Date(ed).getFullYear() + '-' + String(new Date(ed).getMonth()+1).padStart(2,"0") + '-' + String(new Date(ed).getDate()).padStart(2,"0"))
+      console.log(
+        new Date(sd).getFullYear() +
+          "-" +
+          String(new Date(sd).getMonth() + 1).padStart(2, "0") +
+          "-" +
+          String(new Date(sd).getDate()).padStart(2, "0")
+      );
+      console.log(
+        new Date(ed).getFullYear() +
+          "-" +
+          String(new Date(ed).getMonth() + 1).padStart(2, "0") +
+          "-" +
+          String(new Date(ed).getDate()).padStart(2, "0")
+      );
 
-            setStartDate(new Date(sd).getFullYear() + '-' + String(new Date(sd).getMonth()+1).padStart(2,"0") + '-' + String(new Date(sd).getDate()).padStart(2,"0"))
-            setEndDate(new Date(ed).getFullYear() + '-' + String(new Date(ed).getMonth()+1).padStart(2,"0") + '-' + String(new Date(ed).getDate()).padStart(2,"0"))
+      setStartDate(
+        new Date(sd).getFullYear() +
+          "-" +
+          String(new Date(sd).getMonth() + 1).padStart(2, "0") +
+          "-" +
+          String(new Date(sd).getDate()).padStart(2, "0")
+      );
+      setEndDate(
+        new Date(ed).getFullYear() +
+          "-" +
+          String(new Date(ed).getMonth() + 1).padStart(2, "0") +
+          "-" +
+          String(new Date(ed).getDate()).padStart(2, "0")
+      );
 
       if (sd < fDay) sd = fDay;
       if (ed > eDay) ed = eDay;
 
-            for(let day = fDay; day <= eDay; day+=(60*60*24*1000)){
+      for (let day = fDay; day <= eDay; day += 60 * 60 * 24 * 1000) {
         const elm = document.getElementById(day);
-                elm.classList.remove("dragging")
+        elm.classList.remove("dragging");
       }
       const elm2 = document.getElementById(comp);
       if (elm2.classList.contains("dragging")) {
-                for(let day = ed; day >= comp; day -= (60*60*24*1000)){
+        for (let day = ed; day >= comp; day -= 60 * 60 * 24 * 1000) {
           const elm = document.getElementById(day);
-                    elm.classList.remove("dragging")
-                }
+          elm.classList.remove("dragging");
         }
-            else {
-                for(let day = sd; day <= ed; day += (60*60*24*1000)){
+      } else {
+        for (let day = sd; day <= ed; day += 60 * 60 * 24 * 1000) {
           const elm = document.getElementById(day);
           // console.log(elm, day);
-                    elm.classList.add("dragging")
+          elm.classList.add("dragging");
         }
       }
       setUsingDate({
-                startDate: new Date(sd).getFullYear() + '-' + String(new Date(sd).getMonth()+1).padStart(2,"0") + '-' + String(new Date(sd).getDate()).padStart(2,"0"), 
-                endDate: new Date(ed).getFullYear() + '-' + String(new Date(ed).getMonth()+1).padStart(2,"0") + '-' + String(new Date(ed).getDate()).padStart(2,"0")
-            })
+        startDate:
+          new Date(sd).getFullYear() +
+          "-" +
+          String(new Date(sd).getMonth() + 1).padStart(2, "0") +
+          "-" +
+          String(new Date(sd).getDate()).padStart(2, "0"),
+        endDate:
+          new Date(ed).getFullYear() +
+          "-" +
+          String(new Date(ed).getMonth() + 1).padStart(2, "0") +
+          "-" +
+          String(new Date(ed).getDate()).padStart(2, "0"),
+      });
       setFinish(true);
-        }
-        else{
-            console.log(fDay, eDay, new Date(fDay), new Date(eDay))
-            for(let day = fDay; day <= eDay; day+=(60*60*24*1000)){
+    } else {
+      console.log(fDay, eDay, new Date(fDay), new Date(eDay));
+      for (let day = fDay; day <= eDay; day += 60 * 60 * 24 * 1000) {
         const elm = document.getElementById(day);
-                elm.classList.remove("dragging")
+        elm.classList.remove("dragging");
       }
       // startDate = newDate.getFullYear() + '-' + (newDate.getMonth()+1) + '-' + newDate.getDate();
-            setStartDate(newDate.getFullYear() + '-' + String(newDate.getMonth()+1).padStart(2,"0") + '-' + String(newDate.getDate()).padStart(2,"0"));
+      setStartDate(
+        newDate.getFullYear() +
+          "-" +
+          String(newDate.getMonth() + 1).padStart(2, "0") +
+          "-" +
+          String(newDate.getDate()).padStart(2, "0")
+      );
       const elm = document.getElementById(newDate - 0);
-            elm.classList.add("dragging")
+      elm.classList.add("dragging");
       // console.log("s", startDate);
       setFinish(false);
     }
-    }
+  };
 
   const removeDrag = (newDate) => {
-        for(let day = fDay; day <= eDay; day+=(60*60*24*1000)){
+    for (let day = fDay; day <= eDay; day += 60 * 60 * 24 * 1000) {
       const elm = document.getElementById(day);
-            elm.classList.remove("dragging")
+      elm.classList.remove("dragging");
     }
     // const elm = document.getElementById(newDate - 0);
     // elm.classList.add("dragging")
     // console.log(`${newDate.getFullYear()}-${newDate.getMonth()+1}-${newDate.getDate()}`)
-    }
+  };
 
-    for(let day = fDay; day <= eDay; day += (60*60*24*1000)){
+  for (let day = fDay; day <= eDay; day += 60 * 60 * 24 * 1000) {
     const tmpArr = [];
     for (let i = 0; i < 7; i++) {
       let cn = "cella";
@@ -174,32 +276,47 @@ function MakeCell({ nowYear, nowMonth, usingDate, setUsingDate, startDate, endDa
       if (newDate.getMonth() + 1 !== nowMonth) cn = "cellb";
       // console.log(startDate, endDate);
       // console.log(new Date(day), new Date(startDate+'T00:00:00'), new Date(endDate+'T00:00:00'))
-            if(day >= new Date(startDate+'T00:00:00')-0 && day <= new Date(endDate+'T00:00:00')-0){
+      if (
+        day >= new Date(startDate + "T00:00:00") - 0 &&
+        day <= new Date(endDate + "T00:00:00") - 0
+      ) {
         cn += " dragging";
         tmpArr.push(
-                    <TableCell k={day} cn={cn} handleClick={handleClick} newDate={newDate} hds={handleDragStart} hdw={handleDragWhile} hde={handleDragEnd} i={i} value={newDate.getDate()}/>
+          <TableCell
+            k={day}
+            cn={cn}
+            handleClick={handleClick}
+            newDate={newDate}
+            hds={handleDragStart}
+            hdw={handleDragWhile}
+            hde={handleDragEnd}
+            i={i}
+            value={newDate.getDate()}
+          />
         );
-            }
-            else{
+      } else {
         tmpArr.push(
-                    <TableCell k={day} cn={cn} handleClick={handleClick} newDate={newDate} hds={handleDragStart} hdw={handleDragWhile} hde={handleDragEnd} i={i} value={newDate.getDate()}/>
+          <TableCell
+            k={day}
+            cn={cn}
+            handleClick={handleClick}
+            newDate={newDate}
+            hds={handleDragStart}
+            hdw={handleDragWhile}
+            hde={handleDragEnd}
+            i={i}
+            value={newDate.getDate()}
+          />
         );
       }
-            day+=(60*60*24*1000)
+      day += 60 * 60 * 24 * 1000;
     }
-        calendarArr.push(
-            <tr>{tmpArr}</tr>
-        );
+    calendarArr.push(<tr>{tmpArr}</tr>);
 
-        day-=(60*60*24*1000)
+    day -= 60 * 60 * 24 * 1000;
   }
 
-    
-    return(
-        <tbody>
-            {calendarArr}
-        </tbody>
-    );
+  return <tbody>{calendarArr}</tbody>;
 }
 
 function CalendarMonth({ usingDate, setUsingDate }) {
@@ -222,7 +339,7 @@ function CalendarMonth({ usingDate, setUsingDate }){
     }
     setNowMonth(newMonth);
     setCurrentDay(new Date(nowYear, nowMonth, nowDate));
-    }
+  };
   const nextMonth = () => {
     let newMonth = nowMonth + 1;
     if (newMonth > 12) {
@@ -231,16 +348,29 @@ function CalendarMonth({ usingDate, setUsingDate }){
     }
     setNowMonth(newMonth);
     setCurrentDay(new Date(nowYear, nowMonth, nowDate));
-    }
+  };
 
   return (
     <div className="calendar">
       <h1>달력</h1>
-            <MakeHeader nowMonth={nowMonth} prevMonth={prevMonth} nextMonth={nextMonth}></MakeHeader>
+      <MakeHeader
+        nowMonth={nowMonth}
+        prevMonth={prevMonth}
+        nextMonth={nextMonth}
+      ></MakeHeader>
       <h1>{nowYear}</h1>
       <table className="calendarTable">
         <MakeDay />
-                <MakeCell nowYear={nowYear} nowMonth={nowMonth} usingDate={usingDate} setUsingDate={setUsingDate} startDate={startDate} endDate={endDate} setStartDate={setStartDate} setEndDate={setEndDate}></MakeCell>
+        <MakeCell
+          nowYear={nowYear}
+          nowMonth={nowMonth}
+          usingDate={usingDate}
+          setUsingDate={setUsingDate}
+          startDate={startDate}
+          endDate={endDate}
+          setStartDate={setStartDate}
+          setEndDate={setEndDate}
+        ></MakeCell>
       </table>
     </div>
   );