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tz.js
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fix: add timeZone() and fix toOffsetISOString()

This commit is contained in:
AJ ONeal 2022-03-11 21:01:43 -07:00
parent 6417eca7f6
commit fd0f3a265b
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2 changed files with 28 additions and 6 deletions
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25
test.js
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@ -4,7 +4,8 @@ var TZ = require("./");
function testUtcToTz(t) {
var result = TZ.toTimeZone.apply(TZ, t.inputs).toISOString();
if (t.result !== result) {
var result2 = TZ.toTimeZoneISOString.apply(TZ, t.inputs);
if (result !== result2 || t.result !== result) {
throw new Error(
`Invalid UTC/ISO+Offset to TZ conversion for ${t.desc}:\n` +
`\tExpected: ${t.result}\n` +
@ -14,10 +15,11 @@ function testUtcToTz(t) {
}
function testTzToUtc(t) {
var result = TZ.toUTC.apply(TZ, t.inputs);
var result2 = TZ.fromTimeZone.apply(TZ, t.inputs);
if (t.result !== result.toISOString() || t.result !== result2.toISOString()) {
console.log(result);
var result = TZ.fromTimeZone.apply(TZ, t.inputs).toISOString();
var result2 = TZ.toOffsetISOString.apply(TZ, t.inputs);
var result3 = TZ.toUTC.apply(TZ, t.inputs).toISOString();
if (t.result !== result || t.result !== result2 || t.result !== result3) {
console.error(result);
throw new Error(
`Invalid TZ to UTC conversion for ${t.desc}:\n` +
`\tExpected: ${t.result}\n` +
@ -317,3 +319,16 @@ console.info(
},
].forEach(testTzToUtc);
console.info("Pass: TZ to UTC for America/New_York and Asia/Colombo");
var localISOString = TZ.toLocalISOString();
var reISOString = /^\d\d\d\d-\d\d-\d\dT\d\d:\d\d:\d\d\.\d\d\d[+-]\d\d\d\d$/;
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");

9
xtz.js
View File

@ -103,7 +103,7 @@
}
function toOffsetISOString(date, timeZone) {
if ("offset" in date && "year" in date) {
if ("object" === typeof date && "offset" in date && "year" in date) {
return formatAsOffsetISOString(date);
}
@ -179,6 +179,10 @@
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
@ -190,6 +194,9 @@
// -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" ]