implement FullDate#distanceFrom(d0)

fix FullDate timezone bug, use UTC instead

dist/utils/FullDate.d.ts

@@ -13,4 +13,5 @@ export declare class FullDate {
     set month(val: number);
     set day(val: number);
     advance(period: number): FullDate;
+    distanceFrom(d0: FullDate): number;
 }

dist/utils/FullDate.js

@@ -1,13 +1,19 @@
 "use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
+function removeTime(date) {
+    var dt = date.getTimezoneOffset() * 60e3;
+    return new Date(new Date(date.valueOf() - dt).setUTCHours(0, 0, 0, 0));
+}
 var FullDate = /** @class */ (function () {
     function FullDate() {
         var argv = [];
         for (var _i = 0; _i < arguments.length; _i++) {
             argv[_i] = arguments[_i];
         }
-        this._date = (function () {
+        this._date = removeTime((function () {
-            var _a;
+            var _a, _b, _c;
+            if (argv.length == 0)
+                return new Date();
             if (argv.length == 1) {
                 var arg = argv[0];
                 if (arg instanceof FullDate)
@@ -21,22 +27,19 @@ var FullDate = /** @class */ (function () {
                 }
                 return new Date(arg);
             }
-            else if (argv.length == 3) {
+            return new Date(argv[0], ((_b = argv[1]) !== null && _b !== void 0 ? _b : 1) - 1, (_c = argv[2]) !== null && _c !== void 0 ? _c : 1);
-                return new Date(argv[0], argv[1] - 1, argv[2]);
+        })());
-            }
-            return new Date();
-        })();
     }
     FullDate.prototype.toString = function () {
         var d = this._date;
         var f = function (s) { return ('0' + s).slice(-2); };
-        return d.getFullYear() + "-" + f(d.getMonth() + 1) + "-" + f(d.getDate());
+        return d.getUTCFullYear() + "-" + f(d.getUTCMonth() + 1) + "-" + f(d.getUTCDate());
     };
     FullDate.prototype.toJSON = function () {
         return this.toString();
     };
     FullDate.prototype.valueOf = function () {
-        return new Date(this._date).setHours(0, 0, 0, 0);
+        return this._date.valueOf();
     };
     Object.defineProperty(FullDate.prototype, "date", {
         // getter
@@ -48,38 +51,38 @@ var FullDate = /** @class */ (function () {
     });
     Object.defineProperty(FullDate.prototype, "year", {
         get: function () {
-            return this._date.getFullYear();
+            return this._date.getUTCFullYear();
         },
         // setter
         set: function (val) {
-            this._date.setFullYear(val);
+            this._date.setUTCFullYear(val);
         },
         enumerable: true,
         configurable: true
     });
     Object.defineProperty(FullDate.prototype, "month", {
         get: function () {
-            return this._date.getMonth() + 1;
+            return this._date.getUTCMonth() + 1;
         },
         set: function (val) {
-            this._date.setMonth(val - 1);
+            this._date.setUTCMonth(val - 1);
         },
         enumerable: true,
         configurable: true
     });
     Object.defineProperty(FullDate.prototype, "day", {
         get: function () {
-            return this._date.getDate();
+            return this._date.getUTCDate();
         },
         set: function (val) {
-            this._date.setDate(val);
+            this._date.setUTCDate(val);
         },
         enumerable: true,
         configurable: true
     });
     Object.defineProperty(FullDate.prototype, "dayOfWeek", {
         get: function () {
-            return this._date.getDay();
+            return this._date.getUTCDay();
         },
         enumerable: true,
         configurable: true
@@ -88,6 +91,9 @@ var FullDate = /** @class */ (function () {
     FullDate.prototype.advance = function (period) {
         return new FullDate(this._date.valueOf() + period * 86400e3);
     };
+    FullDate.prototype.distanceFrom = function (d0) {
+        return (this.valueOf() - d0.valueOf()) / 86400e3;
+    };
     return FullDate;
 }());
 exports.FullDate = FullDate;

lib/utils/FullDate.ts

@@ -1,8 +1,13 @@
+function removeTime(date: Date): Date {
+  const dt = date.getTimezoneOffset()*60e3;
+  return new Date(new Date(date.valueOf()-dt).setUTCHours(0, 0, 0, 0));
+}
 export class FullDate {
   private _date: Date;
   constructor(...argv: any) {
-    this._date = (()=>{
+    this._date = removeTime((() => {
-      if (argv.length==1) {
+      if (argv.length == 0) return new Date();
+      if (argv.length == 1) {
         const arg = argv[0];
         if (arg instanceof FullDate) return new Date(+arg);
         if (arg instanceof Date) return arg;
@@ -11,51 +16,53 @@ export class FullDate {
           if (tokens) return new Date(+tokens[0], +tokens[1]-1, +tokens[2]);
         }
         return new Date(arg);
-      } else if (argv.length==3) {
-        return new Date(argv[0], argv[1]-1, argv[2]);
       }
-      return new Date();
+      return new Date(argv[0], (argv[1] ?? 1)-1, argv[2] ?? 1);
-    })();
+    })());
   }
   toString(): string {
     const d = this._date;
     const f = (s: any) => ('0'+s).slice(-2);
-    return `${d.getFullYear()}-${f(d.getMonth()+1)}-${f(d.getDate())}`;
+    return `${d.getUTCFullYear()}-${
+      f(d.getUTCMonth()+1)}-${f(d.getUTCDate())}`;
   }
   toJSON(): string {
     return this.toString();
   }
   valueOf(): number {
-    return new Date(this._date).setHours(0, 0, 0, 0);
+    return this._date.valueOf();
   }
   // getter
   get date(): Date {
     return new Date(this._date);
   }
   get year(): number {
-    return this._date.getFullYear();
+    return this._date.getUTCFullYear();
   }
   get month(): number {
-    return this._date.getMonth()+1;
+    return this._date.getUTCMonth()+1;
   }
   get day(): number {
-    return this._date.getDate();
+    return this._date.getUTCDate();
   }
   get dayOfWeek(): number {
-    return this._date.getDay();
+    return this._date.getUTCDay();
   }
   // setter
   set year(val: number) {
-    this._date.setFullYear(val);
+    this._date.setUTCFullYear(val);
   }
   set month(val: number) {
-    this._date.setMonth(val-1);
+    this._date.setUTCMonth(val-1);
   }
   set day(val: number) {
-    this._date.setDate(val);
+    this._date.setUTCDate(val);
   }
   // func
   advance(period: number): FullDate {
     return new FullDate(this._date.valueOf()+period*86400e3);
   }
+  distanceFrom(d0: FullDate): number {
+    return (this.valueOf()-d0.valueOf())/86400e3;
+  }
 }

package.json

@@ -1,6 +1,6 @@
 {
   "name": "api-codegen-ts",
-  "version": "1.1.0",
+  "version": "1.1.1",
   "description": "OpenAPI code generator for TypeScript",
   "main": "dist/index.js",
   "types": "dist/index.d.ts",