From a7fd657c82d9fc290f671b1d9f74e169daaee7c0 Mon Sep 17 00:00:00 2001
From: dojyorin <ota_droid@live.jp>
Date: Thu, 1 Feb 2024 19:41:24 +0900
Subject: [PATCH] update date and excel.

---
 src/pure/time.ts      |  6 ++++--
 src/pure_ext/excel.ts | 16 +++++++++++++++-
 2 files changed, 19 insertions(+), 3 deletions(-)

diff --git a/src/pure/time.ts b/src/pure/time.ts
index da43da1..e86e1c8 100644
--- a/src/pure/time.ts
+++ b/src/pure/time.ts
@@ -63,8 +63,10 @@ export async function delay(time:number):Promise<number>{
 * const format = dtSerial();
 * ```
 */
-export function dtSerial(date?:Date):string{
+export function dtSerial(date?:Date, split?:boolean):string{
     const d = date ?? new Date();
+    const ss = split ? "/" : "";
+    const sc = split ? ":" : "";
 
-    return `${d.getFullYear()}${pad0(d.getMonth() + 1)}${pad0(d.getDate())}${pad0(d.getHours())}${pad0(d.getMinutes())}${pad0(d.getSeconds())}`;
+    return `${d.getFullYear()}${ss}${pad0(d.getMonth() + 1)}${ss}${pad0(d.getDate())}${split ? " " : ""}${pad0(d.getHours())}${sc}${pad0(d.getMinutes())}${sc}${pad0(d.getSeconds())}`;
 }
\ No newline at end of file
diff --git a/src/pure_ext/excel.ts b/src/pure_ext/excel.ts
index c12c65c..8d3a4de 100644
--- a/src/pure_ext/excel.ts
+++ b/src/pure_ext/excel.ts
@@ -1,5 +1,6 @@
 import {type RawWorkBook, type RawWorkSheet, type RawWorkCell, xlsxcp, set_cptable, xlsxRead, xlsxWrite, xlsxUtil} from "../../deps.pure_ext.ts";
 import {deepClone} from "../pure/deep.ts";
+import {dtSerial} from "../pure/time.ts";
 
 export type {RawWorkBook, RawWorkSheet, RawWorkCell};
 
@@ -19,6 +20,8 @@ export function excelEncodeRaw(book:RawWorkBook, cp?:number, pw?:string):Uint8Ar
     const buf = <ArrayBuffer>xlsxWrite(book, {
         type: "array",
         compression: true,
+        cellStyles: true,
+        cellDates: true,
         codepage: cp,
         password: pw
     });
@@ -81,6 +84,8 @@ export function excelDecodeRaw(data:Uint8Array, cp?:number, pw?:string):RawWorkB
         type: "array",
         dense: true,
         raw: true,
+        cellStyles: true,
+        cellDates: true,
         codepage: cp,
         password: pw
     });
@@ -107,7 +112,16 @@ export function excelDecode(data:Uint8Array, cp?:number, pw?:string):Record<stri
             const columns:string[] = [];
 
             for(const column of <(RawWorkCell | undefined)[]>row ?? []){
-                columns.push(!column || column.t === "e" ? "" : column.w ?? "");
+                if(!column || column.t === "e" || column.v === undefined){
+                    columns.push("");
+                }
+                else if(column.v instanceof Date){
+                    column.v.setMinutes(new Date().getTimezoneOffset());
+                    columns.push(dtSerial(column.v, true));
+                }
+                else{
+                    columns.push(`${column.v}`);
+                }
             }
 
             rows.push(columns);