Bump version

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@tp/tp-date-input",
-  "version": "2.0.0",
+  "version": "2.1.1",
   "description": "",
   "main": "tp-date-input.js",
   "scripts": {
@@ -13,8 +13,7 @@
   "author": "trading_peter",
   "license": "Apache-2.0",
   "dependencies": {
-    "date-fns": "^2.0.0",
-    "date-fns-tz": "^2.0.0",
+    "luxon": "^3.0.0",
     "lit": "^3.0.0"
   }
 }

tp-date-input.js

@@ -291,17 +291,28 @@ class TpDateInput extends EventHelpers(ControlState(FormElement(LitElement))) {
       return;
     }
 
-    const date = parse(i0 + '-' + i1 + '-' + i2, this._inputAssign.join('-'), new Date());
+    // Convert luxon format to match input assignment
+    const format = this._inputAssign.map(part => {
+      switch (part) {
+        case 'MM': return 'LL';
+        case 'dd': return 'dd';
+        case 'y': return 'yyyy';
+        default: return part;
+      }
+    }).join('-');
+
+    // Parse the entered values as a plain calendar date, then store as UTC midnight.
+    // Date-only fields are timezone-agnostic — April 7 means April 7 for everyone.
+    const dt = DateTime.fromFormat(i0 + '-' + i1 + '-' + i2, format);
 
     if (dt.isValid) {
       this.inputs[0].invalid = false;
       this.inputs[1].invalid = false;
       this.inputs[2].invalid = false;
 
-      // Convert to specified timezone or use system timezone
-      const finalDt = this.timeZone ? dt.setZone(this.timeZone) : dt;
-      this.date = finalDt.toJSDate();
-      this.value = finalDt.toISO();
+      const utcMidnight = DateTime.utc(dt.year, dt.month, dt.day);
+      this.date = utcMidnight.toJSDate();
+      this.value = utcMidnight.toISO();
       this.invalid = false;
       this.dispatchEvent(new CustomEvent('value-changed', { detail: this.value, bubbles: true, composed: true }));
     } else {
@@ -455,9 +466,10 @@ class TpDateInput extends EventHelpers(ControlState(FormElement(LitElement))) {
       return;
     }
 
-    const dt = this._toDateTime(this.value);
+    let dt = this._toDateTime(this.value);
     if (dt && dt.isValid) {
-      // Convert luxon format parts to match display format
+      // Values are stored as UTC midnight — display the UTC calendar date as-is.
+      dt = dt.toUTC();
       this._input0 = dt.toFormat(this._getLuxonFormat(this._inputAssign[0]));
       this._input1 = dt.toFormat(this._getLuxonFormat(this._inputAssign[1]));
       this._input2 = dt.toFormat(this._getLuxonFormat(this._inputAssign[2]));
@@ -478,7 +490,8 @@ class TpDateInput extends EventHelpers(ControlState(FormElement(LitElement))) {
     if (this.today) {
       setTimeout(() => {
         if (!this.value) {
-          this.value = DateTime.now().toISO();
+          const now = DateTime.utc();
+          this.value = DateTime.utc(now.year, now.month, now.day).toISO();
         }
       });
     }