package.json

@@ -1,6 +1,6 @@
 {
   "name": "xtz",
-  "version": "1.3.2",
+  "version": "1.3.1",
   "description": "A fast, lightweight, zero-dependency library to translate between Time Zones and UTC with native Intl.DateTimeFormat in ~100 LoC. For Node.js & Browsers.",
   "main": "xtz.js",
   "files": [

test.js

@@ -4,8 +4,7 @@ var TZ = require("./");
 
 function testUtcToTz(t) {
   var result = TZ.toTimeZone.apply(TZ, t.inputs).toISOString();
-  var result2 = TZ.toTimeZoneISOString.apply(TZ, t.inputs);
+  if (t.result !== result) {
-  if (result !== result2 || t.result !== result) {
     throw new Error(
       `Invalid UTC/ISO+Offset to TZ conversion for ${t.desc}:\n` +
         `\tExpected: ${t.result}\n` +
@@ -15,11 +14,10 @@ function testUtcToTz(t) {
 }
 
 function testTzToUtc(t) {
-  var result = TZ.fromTimeZone.apply(TZ, t.inputs).toISOString();
+  var result = TZ.toUTC.apply(TZ, t.inputs);
-  var result2 = TZ.toOffsetISOString.apply(TZ, t.inputs);
+  var result2 = TZ.fromTimeZone.apply(TZ, t.inputs);
-  var result3 = TZ.toUTC.apply(TZ, t.inputs).toISOString();
+  if (t.result !== result.toISOString() || t.result !== result2.toISOString()) {
-  if (t.result !== result || t.result !== result2 || t.result !== result3) {
+    console.log(result);
-    console.error(result);
     throw new Error(
       `Invalid TZ to UTC conversion for ${t.desc}:\n` +
         `\tExpected: ${t.result}\n` +
@@ -319,16 +317,3 @@ console.info(
   },
 ].forEach(testTzToUtc);
 console.info("Pass: TZ to UTC for America/New_York and Asia/Colombo");
-
-var localISOString = TZ.toLocalISOString();
-var reISOString = /^\d\d\d\d-\d\d-\d\dT\d\d:\d\d:\d\d\.\d\d\d[+-]\d\d\d\d$/;
-if (!reISOString.test(localISOString)) {
-  throw new Error("Couldn't get local time as iso+offset");
-}
-console.info("Pass: can get local time as ISO+Offset");
-
-var tzName = TZ.timeZone();
-if (!/^[A-Z]\w+\/[A-Z]\w+$/.test(tzName)) {
-  throw new Error("Couldn't get local Time Zone");
-}
-console.info("Pass: can get local timezone");

xtz.js

@@ -103,7 +103,7 @@
   }
 
   function toOffsetISOString(date, timeZone) {
-    if ("object" === typeof date && "offset" in date && "year" in date) {
+    if ("offset" in date && "year" in date) {
       return formatAsOffsetISOString(date);
     }
 
@@ -179,10 +179,6 @@
     return `${YYYY}-${MM}-${DD}T${hh}:${mm}:${ss}.${sss}${offset}`;
   }
 
-  function getTimeZone() {
-    return new Intl.DateTimeFormat().resolvedOptions().timeZone;
-  }
-
   exports.XTZ = {
     // bespoke date =>
     // 2021-11-07T3:15:59-0500
@@ -194,9 +190,6 @@
     // -240 => -0400
     formatOffset: formatOffset,
 
-    // "America/New_York"
-    timeZone: getTimeZone,
-    // "2021-11-07T03:15:59-0500"
     toLocalISOString: toLocalISOString,
 
     // [ "2021-11-07T08:15:59Z", "America/New_York" ]