first commit

Author: ljlm0402

exceljs.js

@@ -0,0 +1,41 @@
+'use strict';
+
+// require modules
+const Excel = require('exceljs'),
+    readline = require('readline-sync');
+
+let userInput = false;
+
+const data = [
+    { id: 1, name: 'hi' },
+    { id: 2, name: 'bye' }
+];
+
+async function makeExcel(data) {
+
+    let excel_data = await data.map(val => {
+        return {
+            '아이디': val.id,
+            '이름': val.name
+        };
+    });
+
+    let workbook = new Excel.Workbook();
+    let worksheet = workbook.addWorksheet('Result');
+
+    worksheet.columns = Object.keys(excel_data[0]).map(function (v, i) {
+        return { header: v.charAt(0).toUpperCase() + v.slice(1), key: v, };
+    });
+
+    worksheet.addRows(excel_data);
+
+    workbook.xlsx.writeFile(userInput + '.xlsx').then(function () {
+        console.log('saved');
+    });
+};
+
+userInput = readline.question('저장할 파일 명 입력 (종료는 Ctrl+c) > ');
+
+if (userInput.trim().length > 0) {
+    makeExcel(data);
+};