Stabilize getTimezoneOffOffset. Prepare 4.0.4.

Author: Hexagon

.github/workflows/node.js.yml

@@ -16,7 +16,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [14.x, 16.x, 18.x]
+        node-version: [14.x, 18.x, 19.1]
         # See supported Node.js release schedule at https://nodejs.org/en/about/releases/
 
     steps:

README.md

@@ -82,15 +82,15 @@ import minitz from "minitz";
 JavaScript
 
 ```javascript
-import minitz from "https://deno.land/x/[email protected].3/src/minitz.js";
+import minitz from "https://deno.land/x/[email protected].4/src/minitz.js";
 
 // ...
 ```
 
 TypeScript
 
 ```typescript
-import { minitz } from "https://deno.land/x/[email protected].3/src/minitz.js";
+import { minitz } from "https://deno.land/x/[email protected].4/src/minitz.js";
 
 // ...
 ```

dist/minitz.cjs

@@ -228,9 +228,16 @@
 	 * @returns {number} - Offset in ms between UTC and timeZone
 	 */
 	function getTimezoneOffset(timeZone, date = new Date()) {
+
+		// Get timezone 
 		const tz = date.toLocaleString("en", {timeZone, timeStyle: "long"}).split(" ").slice(-1)[0];
-		const dateString = date.toLocaleString();
-		return Date.parse(`${dateString} UTC`) - Date.parse(`${dateString} ${tz}`);
+
+		// Extract time in en-US format
+		// - replace narrow no break space with regular space to compensate for bug in Node.js 19.1
+		const dateString = date.toLocaleString("en-US").replace(/[\u202f]/," ");
+
+		// Check ms offset between GMT and extracted timezone
+		return Date.parse(`${dateString} GMT`) - Date.parse(`${dateString} ${tz}`);
 	}
 
 

dist/minitz.min.cjs

@@ -1 +1 @@
-(function(global,factory){typeof exports==="object"&&typeof module!=="undefined"?module.exports=factory():typeof define==="function"&&define.amd?define(factory):(global=typeof globalThis!=="undefined"?globalThis:global||self,global.minitz=factory())})(this,function(){"use strict";function minitz(y,m,d,h,i,s,tz,throwOnInvalid){return minitz.fromTZ(minitz.tp(y,m,d,h,i,s,tz),throwOnInvalid)}minitz.fromTZISO=(localTimeStr,tz,throwOnInvalid)=>{return minitz.fromTZ(parseISOLocal(localTimeStr,tz),throwOnInvalid)};minitz.fromTZ=function(tp,throwOnInvalid){const inDate=new Date(Date.UTC(tp.y,tp.m-1,tp.d,tp.h,tp.i,tp.s)),offset=getTimezoneOffset(tp.tz,inDate),dateGuess=new Date(inDate.getTime()-offset),dateOffsGuess=getTimezoneOffset(tp.tz,dateGuess);if(dateOffsGuess-offset===0){return dateGuess}else{const dateGuess2=new Date(inDate.getTime()-dateOffsGuess),dateOffsGuess2=getTimezoneOffset(tp.tz,dateGuess2);if(dateOffsGuess2-dateOffsGuess===0){return dateGuess2}else if(!throwOnInvalid&&dateOffsGuess2-dateOffsGuess>0){return dateGuess2}else if(!throwOnInvalid){return dateGuess}else{throw new Error("Invalid date passed to fromTZ()")}}};minitz.toTZ=function(d,tzStr){const td=new Date(d.toLocaleString("sv-SE",{timeZone:tzStr}));return{y:td.getFullYear(),m:td.getMonth()+1,d:td.getDate(),h:td.getHours(),i:td.getMinutes(),s:td.getSeconds(),tz:tzStr}};minitz.tp=(y,m,d,h,i,s,tz)=>{return{y:y,m:m,d:d,h:h,i:i,s:s,tz:tz}};function getTimezoneOffset(timeZone,date=new Date){const tz=date.toLocaleString("en",{timeZone:timeZone,timeStyle:"long"}).split(" ").slice(-1)[0];const dateString=date.toLocaleString();return Date.parse(`${dateString} UTC`)-Date.parse(`${dateString} ${tz}`)}function parseISOLocal(dtStr,tz){const pd=new Date(Date.parse(dtStr));if(isNaN(pd)){throw new Error("minitz: Invalid ISO8601 passed to parser.")}const stringEnd=dtStr.substring(9);if(dtStr.includes("Z")||stringEnd.includes("-")||stringEnd.includes("+")){return minitz.tp(pd.getUTCFullYear(),pd.getUTCMonth()+1,pd.getUTCDate(),pd.getUTCHours(),pd.getUTCMinutes(),pd.getUTCSeconds(),"Etc/UTC")}else{return minitz.tp(pd.getFullYear(),pd.getMonth()+1,pd.getDate(),pd.getHours(),pd.getMinutes(),pd.getSeconds(),tz)}}minitz.minitz=minitz;return minitz});
+(function(global,factory){typeof exports==="object"&&typeof module!=="undefined"?module.exports=factory():typeof define==="function"&&define.amd?define(factory):(global=typeof globalThis!=="undefined"?globalThis:global||self,global.minitz=factory())})(this,function(){"use strict";function minitz(y,m,d,h,i,s,tz,throwOnInvalid){return minitz.fromTZ(minitz.tp(y,m,d,h,i,s,tz),throwOnInvalid)}minitz.fromTZISO=(localTimeStr,tz,throwOnInvalid)=>{return minitz.fromTZ(parseISOLocal(localTimeStr,tz),throwOnInvalid)};minitz.fromTZ=function(tp,throwOnInvalid){const inDate=new Date(Date.UTC(tp.y,tp.m-1,tp.d,tp.h,tp.i,tp.s)),offset=getTimezoneOffset(tp.tz,inDate),dateGuess=new Date(inDate.getTime()-offset),dateOffsGuess=getTimezoneOffset(tp.tz,dateGuess);if(dateOffsGuess-offset===0){return dateGuess}else{const dateGuess2=new Date(inDate.getTime()-dateOffsGuess),dateOffsGuess2=getTimezoneOffset(tp.tz,dateGuess2);if(dateOffsGuess2-dateOffsGuess===0){return dateGuess2}else if(!throwOnInvalid&&dateOffsGuess2-dateOffsGuess>0){return dateGuess2}else if(!throwOnInvalid){return dateGuess}else{throw new Error("Invalid date passed to fromTZ()")}}};minitz.toTZ=function(d,tzStr){const td=new Date(d.toLocaleString("sv-SE",{timeZone:tzStr}));return{y:td.getFullYear(),m:td.getMonth()+1,d:td.getDate(),h:td.getHours(),i:td.getMinutes(),s:td.getSeconds(),tz:tzStr}};minitz.tp=(y,m,d,h,i,s,tz)=>{return{y:y,m:m,d:d,h:h,i:i,s:s,tz:tz}};function getTimezoneOffset(timeZone,date=new Date){const tz=date.toLocaleString("en",{timeZone:timeZone,timeStyle:"long"}).split(" ").slice(-1)[0];const dateString=date.toLocaleString("en-US").replace(/[\u202f]/," ");return Date.parse(`${dateString} GMT`)-Date.parse(`${dateString} ${tz}`)}function parseISOLocal(dtStr,tz){const pd=new Date(Date.parse(dtStr));if(isNaN(pd)){throw new Error("minitz: Invalid ISO8601 passed to parser.")}const stringEnd=dtStr.substring(9);if(dtStr.includes("Z")||stringEnd.includes("-")||stringEnd.includes("+")){return minitz.tp(pd.getUTCFullYear(),pd.getUTCMonth()+1,pd.getUTCDate(),pd.getUTCHours(),pd.getUTCMinutes(),pd.getUTCSeconds(),"Etc/UTC")}else{return minitz.tp(pd.getFullYear(),pd.getMonth()+1,pd.getDate(),pd.getHours(),pd.getMinutes(),pd.getSeconds(),tz)}}minitz.minitz=minitz;return minitz});

dist/minitz.min.js

@@ -1 +1 @@
-function minitz(y,m,d,h,i,s,tz,throwOnInvalid){return minitz.fromTZ(minitz.tp(y,m,d,h,i,s,tz),throwOnInvalid)}minitz.fromTZISO=(localTimeStr,tz,throwOnInvalid)=>{return minitz.fromTZ(parseISOLocal(localTimeStr,tz),throwOnInvalid)};minitz.fromTZ=function(tp,throwOnInvalid){const inDate=new Date(Date.UTC(tp.y,tp.m-1,tp.d,tp.h,tp.i,tp.s)),offset=getTimezoneOffset(tp.tz,inDate),dateGuess=new Date(inDate.getTime()-offset),dateOffsGuess=getTimezoneOffset(tp.tz,dateGuess);if(dateOffsGuess-offset===0){return dateGuess}else{const dateGuess2=new Date(inDate.getTime()-dateOffsGuess),dateOffsGuess2=getTimezoneOffset(tp.tz,dateGuess2);if(dateOffsGuess2-dateOffsGuess===0){return dateGuess2}else if(!throwOnInvalid&&dateOffsGuess2-dateOffsGuess>0){return dateGuess2}else if(!throwOnInvalid){return dateGuess}else{throw new Error("Invalid date passed to fromTZ()")}}};minitz.toTZ=function(d,tzStr){const td=new Date(d.toLocaleString("sv-SE",{timeZone:tzStr}));return{y:td.getFullYear(),m:td.getMonth()+1,d:td.getDate(),h:td.getHours(),i:td.getMinutes(),s:td.getSeconds(),tz:tzStr}};minitz.tp=(y,m,d,h,i,s,tz)=>{return{y:y,m:m,d:d,h:h,i:i,s:s,tz:tz}};function getTimezoneOffset(timeZone,date=new Date){const tz=date.toLocaleString("en",{timeZone:timeZone,timeStyle:"long"}).split(" ").slice(-1)[0];const dateString=date.toLocaleString();return Date.parse(`${dateString} UTC`)-Date.parse(`${dateString} ${tz}`)}function parseISOLocal(dtStr,tz){const pd=new Date(Date.parse(dtStr));if(isNaN(pd)){throw new Error("minitz: Invalid ISO8601 passed to parser.")}const stringEnd=dtStr.substring(9);if(dtStr.includes("Z")||stringEnd.includes("-")||stringEnd.includes("+")){return minitz.tp(pd.getUTCFullYear(),pd.getUTCMonth()+1,pd.getUTCDate(),pd.getUTCHours(),pd.getUTCMinutes(),pd.getUTCSeconds(),"Etc/UTC")}else{return minitz.tp(pd.getFullYear(),pd.getMonth()+1,pd.getDate(),pd.getHours(),pd.getMinutes(),pd.getSeconds(),tz)}}minitz.minitz=minitz;export{minitz as default,minitz};
+function minitz(y,m,d,h,i,s,tz,throwOnInvalid){return minitz.fromTZ(minitz.tp(y,m,d,h,i,s,tz),throwOnInvalid)}minitz.fromTZISO=(localTimeStr,tz,throwOnInvalid)=>{return minitz.fromTZ(parseISOLocal(localTimeStr,tz),throwOnInvalid)};minitz.fromTZ=function(tp,throwOnInvalid){const inDate=new Date(Date.UTC(tp.y,tp.m-1,tp.d,tp.h,tp.i,tp.s)),offset=getTimezoneOffset(tp.tz,inDate),dateGuess=new Date(inDate.getTime()-offset),dateOffsGuess=getTimezoneOffset(tp.tz,dateGuess);if(dateOffsGuess-offset===0){return dateGuess}else{const dateGuess2=new Date(inDate.getTime()-dateOffsGuess),dateOffsGuess2=getTimezoneOffset(tp.tz,dateGuess2);if(dateOffsGuess2-dateOffsGuess===0){return dateGuess2}else if(!throwOnInvalid&&dateOffsGuess2-dateOffsGuess>0){return dateGuess2}else if(!throwOnInvalid){return dateGuess}else{throw new Error("Invalid date passed to fromTZ()")}}};minitz.toTZ=function(d,tzStr){const td=new Date(d.toLocaleString("sv-SE",{timeZone:tzStr}));return{y:td.getFullYear(),m:td.getMonth()+1,d:td.getDate(),h:td.getHours(),i:td.getMinutes(),s:td.getSeconds(),tz:tzStr}};minitz.tp=(y,m,d,h,i,s,tz)=>{return{y:y,m:m,d:d,h:h,i:i,s:s,tz:tz}};function getTimezoneOffset(timeZone,date=new Date){const tz=date.toLocaleString("en",{timeZone:timeZone,timeStyle:"long"}).split(" ").slice(-1)[0];const dateString=date.toLocaleString("en-US").replace(/[\u202f]/," ");return Date.parse(`${dateString} GMT`)-Date.parse(`${dateString} ${tz}`)}function parseISOLocal(dtStr,tz){const pd=new Date(Date.parse(dtStr));if(isNaN(pd)){throw new Error("minitz: Invalid ISO8601 passed to parser.")}const stringEnd=dtStr.substring(9);if(dtStr.includes("Z")||stringEnd.includes("-")||stringEnd.includes("+")){return minitz.tp(pd.getUTCFullYear(),pd.getUTCMonth()+1,pd.getUTCDate(),pd.getUTCHours(),pd.getUTCMinutes(),pd.getUTCSeconds(),"Etc/UTC")}else{return minitz.tp(pd.getFullYear(),pd.getMonth()+1,pd.getDate(),pd.getHours(),pd.getMinutes(),pd.getSeconds(),tz)}}minitz.minitz=minitz;export{minitz as default,minitz};

dist/minitz.min.mjs

@@ -177,12 +177,12 @@ <h3>Node.js</h3>
 </code></pre>
 <h3>Deno</h3>
 <p>JavaScript</p>
-<pre class="prettyprint source lang-javascript"><code>import minitz from &quot;https://deno.land/x/[email protected].3/src/minitz.js&quot;;
+<pre class="prettyprint source lang-javascript"><code>import minitz from &quot;https://deno.land/x/[email protected].4/src/minitz.js&quot;;
 
 // ...
 </code></pre>
 <p>TypeScript</p>
-<pre class="prettyprint source lang-typescript"><code>import { minitz } from &quot;https://deno.land/x/[email protected].3/src/minitz.js&quot;;
+<pre class="prettyprint source lang-typescript"><code>import { minitz } from &quot;https://deno.land/x/[email protected].4/src/minitz.js&quot;;
 
 // ...
 </code></pre>

docs/index.html

@@ -344,9 +344,16 @@ <h1 class="page-title">
  * @returns {number} - Offset in ms between UTC and timeZone
  */
 function getTimezoneOffset(timeZone, date = new Date()) {
+
+	// Get timezone 
 	const tz = date.toLocaleString("en", {timeZone, timeStyle: "long"}).split(" ").slice(-1)[0];
-	const dateString = date.toLocaleString();
-	return Date.parse(`${dateString} UTC`) - Date.parse(`${dateString} ${tz}`);
+
+	// Extract time in en-US format
+	// - replace narrow no break space with regular space to compensate for bug in Node.js 19.1
+	const dateString = date.toLocaleString("en-US").replace(/[\u202f]/," ");
+
+	// Check ms offset between GMT and extracted timezone
+	return Date.parse(`${dateString} GMT`) - Date.parse(`${dateString} ${tz}`);
 }