finish basic autocraft for create store

src/lib/ccLog.ts

@@ -0,0 +1,67 @@
+enum LogLevel {
+  Info = 0,
+  Warn = 1,
+  Error = 2,
+}
+
+export class CCLog {
+  private fp: LuaFile | undefined;
+  constructor(filename?: string) {
+    term.clear();
+    term.setCursorPos(1, 1);
+    if (filename != undefined && filename.length != 0) {
+      const filepath = shell.dir() + "/" + filename;
+      const [file, error] = io.open(filepath, fs.exists(filepath) ? "a" : "w+");
+      if (file != undefined) {
+        this.fp = file;
+      } else {
+        throw Error(error);
+      }
+    }
+  }
+
+  private getFormatMsg(msg: string, level: LogLevel): string {
+    const date = os.date("*t");
+    return `[ ${date.year}/${date.month}/${date.day} -- ${date.hour}:${date.min}:${date.sec} ${LogLevel[level]} ] : ${msg}\r\n`;
+  }
+
+  public writeLine(msg: string, color?: Color) {
+    let originalColor: Color = 0;
+    if (color != undefined) {
+      originalColor = term.getTextColor();
+      term.setTextColor(color);
+    }
+
+    // Log
+    term.write(msg);
+    if (this.fp != undefined) {
+      this.fp.write(msg);
+    }
+
+    if (color != undefined) {
+      term.setTextColor(originalColor);
+    }
+
+    // Next line
+    term.setCursorPos(1, term.getCursorPos()[1] + 1);
+  }
+
+  public info(msg: string) {
+    this.writeLine(this.getFormatMsg(msg, LogLevel.Info), colors.green);
+  }
+
+  public warn(msg: string) {
+    this.writeLine(this.getFormatMsg(msg, LogLevel.Warn), colors.orange);
+  }
+
+  public error(msg: string) {
+    this.writeLine(this.getFormatMsg(msg, LogLevel.Error), colors.red);
+  }
+
+  public close() {
+    if (this.fp !== undefined) {
+      this.fp.close();
+      this.fp = undefined;
+    }
+  }
+}