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Version 1.18.0
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Rogier Schouten committed Apr 1, 2015
1 parent f014ce1 commit 34ac43a
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9 changes: 9 additions & 0 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -540,6 +540,9 @@ var occurrence = period.findFirst(new tc.DateTime("2014-04-30T12:00:00 Europe/Am
// "2014-05-02T08:05:00.000 Europe/Amsterdam"
var occurrence2 = period.findNext(occurrence);

// findPrev also assumes that the given time is on a boundary
var occurrence1 = period.findPrev(occurrence);

// isBoundary checks whether the given DateTime is on a period boundary
period.isBoundary(occurrence); // true

Expand Down Expand Up @@ -622,6 +625,12 @@ The version of the included IANA time zone database is 2015b.

## Changelog

### 1.18.0 (2015-04-01)
* Add DateTime#startOfMonth() which returns the date truncated to the first day of the month at 00:00:00
* Add DateTime#startOfYear() which returns the date truncated to the first day of the year at 00:00:00
* Add Period#findPrev() analogous to findNext()
* Allow count parameter <= 0 in Period#findNext() / Period#findPrev() i.e. findNext(dt, -1) === findPrev(dt, 1)

### 1.17.0 (2015-03-30)
* Add DateTime#toExcel() and DateTime#toUtcExcel() functions to convert a DateTime to a Microsoft Excel date/time number.

Expand Down
281 changes: 156 additions & 125 deletions dist/timezonecomplete.js
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Original file line number Diff line number Diff line change
Expand Up @@ -933,30 +933,6 @@ var DateTime = (function () {
var unixTimestamp = Math.round((n - 25569) * 24 * 60 * 60 * 1000);
return new DateTime(unixTimestamp, timeZone);
};
/**
* Create an Excel timestamp for this datetime converted to the given zone.
* Does not work for dates < 1900
* @param timeZone Optional. Zone to convert to, default the zone the datetime is already in.
* @return an Excel date/time number i.e. days since 1-1-1900 where 1900 is incorrectly seen as leap year
*/
DateTime.prototype.toExcel = function (timeZone) {
var dt = this;
if (timeZone && !timeZone.equals(this.zone())) {
dt = this.toZone(timeZone);
}
var offsetMillis = dt.offset() * 60 * 1000;
var unixTimestamp = dt.unixUtcMillis();
return ((unixTimestamp + offsetMillis) / (24 * 60 * 60 * 1000)) + 25569;
};
/**
* Create an Excel timestamp for this datetime converted to UTC
* Does not work for dates < 1900
* @return an Excel date/time number i.e. days since 1-1-1900 where 1900 is incorrectly seen as leap year
*/
DateTime.prototype.toUtcExcel = function () {
var unixTimestamp = this.unixUtcMillis();
return ((unixTimestamp) / (24 * 60 * 60 * 1000)) + 25569;
};
/**
* @return a copy of this object
*/
Expand Down Expand Up @@ -1244,6 +1220,36 @@ var DateTime = (function () {
DateTime.prototype.toDate = function () {
return new Date(this.year(), this.month() - 1, this.day(), this.hour(), this.minute(), this.second(), this.millisecond());
};
/**
* Create an Excel timestamp for this datetime converted to the given zone.
* Does not work for dates < 1900
* @param timeZone Optional. Zone to convert to, default the zone the datetime is already in.
* @return an Excel date/time number i.e. days since 1-1-1900 where 1900 is incorrectly seen as leap year
*/
DateTime.prototype.toExcel = function (timeZone) {
var dt = this;
if (timeZone && !timeZone.equals(this.zone())) {
dt = this.toZone(timeZone);
}
var offsetMillis = dt.offset() * 60 * 1000;
var unixTimestamp = dt.unixUtcMillis();
return this._unixTimeStampToExcel(unixTimestamp + offsetMillis);
};
/**
* Create an Excel timestamp for this datetime converted to UTC
* Does not work for dates < 1900
* @return an Excel date/time number i.e. days since 1-1-1900 where 1900 is incorrectly seen as leap year
*/
DateTime.prototype.toUtcExcel = function () {
var unixTimestamp = this.unixUtcMillis();
return this._unixTimeStampToExcel(unixTimestamp);
};
DateTime.prototype._unixTimeStampToExcel = function (n) {
var result = ((n) / (24 * 60 * 60 * 1000)) + 25569;
// round to nearest millisecond
var msecs = result / (1 / 86400000);
return Math.round(msecs) * (1 / 86400000);
};
/**
* Implementation.
*/
Expand Down Expand Up @@ -1395,6 +1401,20 @@ var DateTime = (function () {
DateTime.prototype.startOfDay = function () {
return new DateTime(this.year(), this.month(), this.day(), 0, 0, 0, 0, this.zone());
};
/**
* Returns the first day of the month at 00:00:00
* @return a new DateTime
*/
DateTime.prototype.startOfMonth = function () {
return new DateTime(this.year(), this.month(), 1, 0, 0, 0, 0, this.zone());
};
/**
* Returns the first day of the year at 00:00:00
* @return a new DateTime
*/
DateTime.prototype.startOfYear = function () {
return new DateTime(this.year(), 1, 1, 0, 0, 0, 0, this.zone());
};
/**
* @return True iff (this < other)
*/
Expand Down Expand Up @@ -3353,15 +3373,18 @@ var Period = (function () {
* This function has MUCH better performance than findFirst.
* Returns the datetime "count" times away from the given datetime.
* @param prev Boundary date. Must have a time zone (any time zone) iff the period start date has one.
* @param count Optional, must be >= 1 and whole.
* @param count Number of periods to add. Optional. Must be an integer number.
* @return (prev + count * period), in the same timezone as prev.
*/
Period.prototype.findNext = function (prev, count) {
if (count === void 0) { count = 1; }
assert(prev !== null, "Prev must be non-null");
assert((this._intStart.zone() === null) === (prev.zone() === null), "The fromDate and startDate must both be aware or unaware");
assert(typeof (count) === "number", "Count must be a number");
assert(count >= 1 && Math.floor(count) === count, "Count must be an integer >= 1");
assert(Math.floor(count) === count, "Count must be an integer");
if (count < 0 && prev.lessEqual(this.start())) {
return null;
}
var normalizedPrev = this._normalizeDay(prev.toZone(this._start.zone()));
if (this._intDst === 0 /* RegularIntervals */) {
return this._correctDay(normalizedPrev.add(this._intInterval.amount() * count, this._intInterval.unit())).convert(prev.zone());
Expand All @@ -3370,6 +3393,18 @@ var Period = (function () {
return this._correctDay(normalizedPrev.addLocal(this._intInterval.amount() * count, this._intInterval.unit())).convert(prev.zone());
}
};
/**
* Returns the previous timestamp in the period. The given timestamp must
* be at a period boundary, otherwise the answer is incorrect.
* Returns NULL if the previous occurrence is before the start date
* @param prev Boundary date. Must have a time zone (any time zone) iff the period start date has one.
* @param count Number of periods to subtract. Optional. Must be an integer number.
* @return (next - count * period), in the same timezone as next.
*/
Period.prototype.findPrev = function (next, count) {
if (count === void 0) { count = 1; }
return this.findNext(next, -1 * count);
};
/**
* Checks whether the given date is on a period boundary
* (expensive!)
Expand Down Expand Up @@ -4145,7 +4180,7 @@ var TimeZone = (function () {
exports.TimeZone = TimeZone;


},{"./basics":1,"./javascript":9,"./strings":12,"./tz-database":17,"assert":18,"util":24}],16:[function(require,module,exports){
},{"./basics":1,"./javascript":9,"./strings":12,"./tz-database":17,"assert":18,"util":22}],16:[function(require,module,exports){
/**
* Copyright(c) 2014 Spirit IT BV
*
Expand Down Expand Up @@ -5715,7 +5750,7 @@ function validateData(data) {
}


},{"./basics":1,"./duration":3,"./math":10,"./timezone-data.json":14,"assert":18,"util":24}],18:[function(require,module,exports){
},{"./basics":1,"./duration":3,"./math":10,"./timezone-data.json":14,"assert":18,"util":22}],18:[function(require,module,exports){
// http://wiki.commonjs.org/wiki/Unit_Testing/1.0
//
// THIS IS NOT TESTED NOR LIKELY TO WORK OUTSIDE V8!
Expand Down Expand Up @@ -6077,14 +6112,104 @@ var objectKeys = Object.keys || function (obj) {
return keys;
};

},{"util/":20}],19:[function(require,module,exports){
},{"util/":22}],19:[function(require,module,exports){
if (typeof Object.create === 'function') {
// implementation from standard node.js 'util' module
module.exports = function inherits(ctor, superCtor) {
ctor.super_ = superCtor
ctor.prototype = Object.create(superCtor.prototype, {
constructor: {
value: ctor,
enumerable: false,
writable: true,
configurable: true
}
});
};
} else {
// old school shim for old browsers
module.exports = function inherits(ctor, superCtor) {
ctor.super_ = superCtor
var TempCtor = function () {}
TempCtor.prototype = superCtor.prototype
ctor.prototype = new TempCtor()
ctor.prototype.constructor = ctor
}
}

},{}],20:[function(require,module,exports){
// shim for using process in browser

var process = module.exports = {};

process.nextTick = (function () {
var canSetImmediate = typeof window !== 'undefined'
&& window.setImmediate;
var canPost = typeof window !== 'undefined'
&& window.postMessage && window.addEventListener
;

if (canSetImmediate) {
return function (f) { return window.setImmediate(f) };
}

if (canPost) {
var queue = [];
window.addEventListener('message', function (ev) {
var source = ev.source;
if ((source === window || source === null) && ev.data === 'process-tick') {
ev.stopPropagation();
if (queue.length > 0) {
var fn = queue.shift();
fn();
}
}
}, true);

return function nextTick(fn) {
queue.push(fn);
window.postMessage('process-tick', '*');
};
}

return function nextTick(fn) {
setTimeout(fn, 0);
};
})();

process.title = 'browser';
process.browser = true;
process.env = {};
process.argv = [];

function noop() {}

process.on = noop;
process.addListener = noop;
process.once = noop;
process.off = noop;
process.removeListener = noop;
process.removeAllListeners = noop;
process.emit = noop;

process.binding = function (name) {
throw new Error('process.binding is not supported');
}

// TODO(shtylman)
process.cwd = function () { return '/' };
process.chdir = function (dir) {
throw new Error('process.chdir is not supported');
};

},{}],21:[function(require,module,exports){
module.exports = function isBuffer(arg) {
return arg && typeof arg === 'object'
&& typeof arg.copy === 'function'
&& typeof arg.fill === 'function'
&& typeof arg.readUInt8 === 'function';
}
},{}],20:[function(require,module,exports){
},{}],22:[function(require,module,exports){
(function (process,global){
// Copyright Joyent, Inc. and other Node contributors.
//
Expand Down Expand Up @@ -6674,101 +6799,7 @@ function hasOwnProperty(obj, prop) {
}

}).call(this,require("VCmEsw"),typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{"./support/isBuffer":19,"VCmEsw":22,"inherits":21}],21:[function(require,module,exports){
if (typeof Object.create === 'function') {
// implementation from standard node.js 'util' module
module.exports = function inherits(ctor, superCtor) {
ctor.super_ = superCtor
ctor.prototype = Object.create(superCtor.prototype, {
constructor: {
value: ctor,
enumerable: false,
writable: true,
configurable: true
}
});
};
} else {
// old school shim for old browsers
module.exports = function inherits(ctor, superCtor) {
ctor.super_ = superCtor
var TempCtor = function () {}
TempCtor.prototype = superCtor.prototype
ctor.prototype = new TempCtor()
ctor.prototype.constructor = ctor
}
}

},{}],22:[function(require,module,exports){
// shim for using process in browser

var process = module.exports = {};

process.nextTick = (function () {
var canSetImmediate = typeof window !== 'undefined'
&& window.setImmediate;
var canPost = typeof window !== 'undefined'
&& window.postMessage && window.addEventListener
;

if (canSetImmediate) {
return function (f) { return window.setImmediate(f) };
}

if (canPost) {
var queue = [];
window.addEventListener('message', function (ev) {
var source = ev.source;
if ((source === window || source === null) && ev.data === 'process-tick') {
ev.stopPropagation();
if (queue.length > 0) {
var fn = queue.shift();
fn();
}
}
}, true);

return function nextTick(fn) {
queue.push(fn);
window.postMessage('process-tick', '*');
};
}

return function nextTick(fn) {
setTimeout(fn, 0);
};
})();

process.title = 'browser';
process.browser = true;
process.env = {};
process.argv = [];

function noop() {}

process.on = noop;
process.addListener = noop;
process.once = noop;
process.off = noop;
process.removeListener = noop;
process.removeAllListeners = noop;
process.emit = noop;

process.binding = function (name) {
throw new Error('process.binding is not supported');
}

// TODO(shtylman)
process.cwd = function () { return '/' };
process.chdir = function (dir) {
throw new Error('process.chdir is not supported');
};

},{}],23:[function(require,module,exports){
module.exports=require(19)
},{}],24:[function(require,module,exports){
module.exports=require(20)
},{"./support/isBuffer":23,"VCmEsw":22,"inherits":21}]},{},[4]);
},{"./support/isBuffer":21,"VCmEsw":20,"inherits":19}]},{},[4]);
return require("timezonecomplete");

}));
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