Merge pull request #176 from earthiverse/date-functions

improve date functions

js/common_functions.js

@@ -2005,35 +2005,31 @@ function html_escape(html)
 /*"*/
 function he(html){return html_escape(html);}
 
-function future_ms(ms)
+function future_ms(ms) {
-{
+	return new Date(Date.now() + ms);
-	var c=new Date();
-	c.setUTCMilliseconds(c.getUTCMilliseconds()+ms);
-	return c;
 }
-function future_s(s)
+function future_s(s) {
-{
+	return future_ms(s * 1000);
-	var c=new Date();
-	c.setUTCSeconds(c.getUTCSeconds()+s);
-	return c;
 }
-function future_m(m)
+function future_m(m) {
-{
+	return future_ms(m * 60000);
-	return future_s(60*m);
 }
-function future_h(h)
+function future_h(h) {
-{
+	return future_ms(h * 3600000);
-	return future_m(60*h);
 }
 
-function mssince(t,ref)
+function mssince(t, ref = Date.now()) {
-{
+	return ref instanceof Date ? ref.getTime() - t.getTime() : ref - t.getTime();
-	if(!ref) ref=new Date();
+}
-	return ref.getTime() - t.getTime();
+function ssince(t, ref) {
+	return mssince(t, ref) / 1000;
+}
+function msince(t, ref) {
+	return mssince(t, ref) / 60000;
+}
+function hsince(t, ref) {
+	return mssince(t, ref) / 3600000;
 }
-function ssince(t,ref) { return mssince(t,ref)/1000.0; }
-function msince(t,ref) { return mssince(t,ref)/60000.0; }
-function hsince(t,ref) { return mssince(t,ref)/3600000.0; }
 
 function sleep(ms)
 {

node/.eslintrc

@@ -4,7 +4,7 @@
 		"node": true
 	},
 	"parserOptions": {
-    "ecmaVersion": 10
+		"ecmaVersion": 2021
 	},
 	"plugins": ["prettier"],
 	"rules": {