리마인드 기능 추가

package.json

@@ -4,7 +4,8 @@
   "private": true,
   "scripts": {
     "start": "node ./bin/www",
-    "dev": "cross-env NODE_ENV=development nodemon ./bin/www"
+    "dev": "cross-env NODE_ENV=development nodemon ./bin/www",
+    "test": "jest --verbose"
   },
   "dependencies": {
     "@slack/web-api": "^6.5.1",
@@ -17,5 +18,8 @@
     "jade": "~1.11.0",
     "morgan": "~1.9.1",
     "nodemon": "^2.0.15"
+  },
+  "devDependencies": {
+    "jest": "^27.4.7"
   }
 }

utils/dateParser.js

@@ -0,0 +1,103 @@
+function parseDate(stringDate) {
+  const regNotNumber = /[^0-9]/g;
+  const regYear = /[0-9]*년/;
+  const regMonth = /[0-9]*월/;
+  const regDaily = /매./;
+  const regDay = /[0-9]*일/;
+  const regHour = /[0-9]*시/;
+  const regMinute = /[0-9]*분/;
+  const regSecond = /[0-9]*초/;
+  const regWeek = /.요일/;
+  const regAM = /오전/;
+  const regTomorrow = /내일/;
+
+  function isRegExist(reg, stringDate) {
+    return reg.test(stringDate);
+  }
+
+  function stringDateSplit(reg, stringDate) {
+    return parseInt(stringDate.match(reg)[0].replace(regNotNumber, ""));
+  }
+
+  function parsing(reg, stringDate, defaultValue) {
+    return isRegExist(reg, stringDate)
+      ? stringDateSplit(reg, stringDate)
+      : defaultValue;
+  }
+
+  function regDailyAndWeekSplit(reg, stringDate) {
+    return stringDate.match(reg)[0];
+  }
+
+  const year = parsing(regYear, stringDate, new Date().getFullYear());
+  const month = parsing(regMonth, stringDate, new Date().getMonth() + 1);
+  const minute = parsing(regMinute, stringDate, 0);
+  const seconds = parsing(regSecond, stringDate, 0);
+  let date = parsing(regDay, stringDate, new Date().getDate());
+  let hour = parsing(regHour, stringDate, 0);
+
+  if (!isRegExist(regAM, stringDate)) {
+    hour += 12;
+  }
+
+  if (isRegExist(regDaily, stringDate)) {
+    const repeat = regDailyAndWeekSplit(regDaily, stringDate);
+
+    if (repeat === "매일") {
+      return {
+        repeat,
+        hour,
+        minute,
+        seconds,
+      };
+    }
+
+    if (repeat === "매주") {
+      const week = regDailyAndWeekSplit(regWeek, stringDate)[0];
+
+      return {
+        repeat,
+        week,
+        hour,
+        minute,
+        seconds,
+      };
+    }
+
+    if (repeat === "매달") {
+      return {
+        repeat,
+        date,
+        hour,
+        minute,
+        seconds,
+      };
+    }
+  }
+
+  if (isRegExist(regTomorrow, stringDate)) {
+    date = new Date().getDate() + 1;
+
+    return {
+      year,
+      month,
+      date,
+      hour,
+      minute,
+      seconds,
+    };
+  }
+
+  return {
+    year,
+    month,
+    date,
+    hour,
+    minute,
+    seconds,
+  };
+}
+
+module.exports = {
+  parseDate,
+};

utils/dateParser.spec.js

@@ -0,0 +1,114 @@
+const { parseDate } = require("./dateParser");
+
+const answer1 = {
+  year: 2022,
+  month: 1,
+  date: 9,
+  hour: 19,
+  minute: 30,
+  seconds: 0,
+};
+
+const answer2 = {
+  repeat: "매주",
+  week: "수",
+  hour: 19,
+  minute: 30,
+  seconds: 0,
+};
+
+const answer3 = {
+  year: new Date().getFullYear(),
+  month: new Date().getMonth() + 1,
+  date: new Date().getDate(),
+  hour: 17,
+  minute: 0,
+  seconds: 0,
+};
+
+const answer4 = {
+  year: new Date().getFullYear(),
+  month: new Date().getMonth() + 1,
+  date: new Date().getDate(),
+  hour: 18,
+  minute: 30,
+  seconds: 0,
+};
+
+const answer5 = {
+  repeat: "매달",
+  date: 15,
+  hour: 10,
+  minute: 30,
+  seconds: 0,
+};
+
+const answer6 = {
+  repeat: "매일",
+  hour: 9,
+  minute: 30,
+  seconds: 0,
+};
+
+const answer7 = {
+  ...answer3,
+  hour: 10,
+};
+
+const answer8 = {
+  ...answer3,
+  date: new Date().getDate() + 1,
+  hour: 19,
+};
+
+const testCases = [
+  {
+    case: "2022년 1월 9일 오후 7시 30분",
+    answer: answer1,
+  },
+  {
+    case: "1월 9일 오후 7시 30분",
+    answer: answer1,
+  },
+  {
+    case: "매주 수요일 오후 7시 30분",
+    answer: answer2,
+  },
+  {
+    case: "5시에",
+    answer: answer3,
+  },
+  {
+    case: "6시 30분에",
+    answer: answer4,
+  },
+  {
+    case: "매달 15일 오전 10시 30분",
+    answer: answer5,
+  },
+  {
+    case: "매일 오전 9시 30분",
+    answer: answer6,
+  },
+  {
+    case: "오전 10시에",
+    answer: answer7,
+  },
+  {
+    case: "내일 오후 7시",
+    answer: answer8,
+  },
+  {
+    case: "오늘 오후 5시",
+    answer: answer3,
+  },
+  {
+    case: "9일 오후 7시 30분",
+    answer: answer1,
+  },
+];
+for (const testCase of testCases) {
+  it(testCase.case, () => {
+    expect(parseDate(testCase.case)).toStrictEqual(testCase.answer);
+  });
+}