date.js
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// Load modules
var Any = require('./any');
var Errors = require('./errors');
var Ref = require('./ref');
var Hoek = require('hoek');
var Moment = require('moment');
// Declare internals
var internals = {};
internals.isoDate = /^(?:\d{4}(?!\d{2}\b))(?:(-?)(?:(?:0[1-9]|1[0-2])(?:\1(?:[12]\d|0[1-9]|3[01]))?|W(?:[0-4]\d|5[0-2])(?:-?[1-7])?|(?:00[1-9]|0[1-9]\d|[12]\d{2}|3(?:[0-5]\d|6[1-6])))(?![T]$|[T][\d]+Z$)(?:[T\s](?:(?:(?:[01]\d|2[0-3])(?:(:?)[0-5]\d)?|24\:?00)(?:[.,]\d+(?!:))?)(?:\2[0-5]\d(?:[.,]\d+)?)?(?:[Z]|(?:[+-])(?:[01]\d|2[0-3])(?::?[0-5]\d)?)?)?)?$/;
internals.invalidDate = new Date('');
internals.isIsoDate = (function () {
var isoString = internals.isoDate.toString();
return function (date) {
return date && (date.toString() === isoString);
};
})();
internals.Date = function () {
Any.call(this);
this._type = 'date';
};
Hoek.inherits(internals.Date, Any);
internals.Date.prototype._base = function (value, state, options) {
var result = {
value: (options.convert && internals.toDate(value, this._flags.format)) || value
};
if (result.value instanceof Date && !isNaN(result.value.getTime())) {
result.errors = null;
}
else {
result.errors = Errors.create(internals.isIsoDate(this._flags.format) ? 'date.isoDate' : 'date.base', null, state, options);
}
return result;
};
internals.toDate = function (value, format) {
if (value instanceof Date) {
return value;
}
if (typeof value === 'string' ||
Hoek.isInteger(value)) {
if (typeof value === 'string' &&
/^[+-]?\d+$/.test(value)) {
value = parseInt(value, 10);
}
var date;
if (format) {
if (internals.isIsoDate(format)) {
date = format.test(value) ? new Date(value) : internals.invalidDate;
}
else {
date = Moment(value, format, true);
date = date.isValid() ? date.toDate() : internals.invalidDate;
}
}
else {
date = new Date(value);
}
if (!isNaN(date.getTime())) {
return date;
}
}
return null;
};
internals.compare = function (type, compare) {
return function (date) {
var isNow = date === 'now';
var isRef = Ref.isRef(date);
if (!isNow && !isRef) {
date = internals.toDate(date);
}
Hoek.assert(date, 'Invalid date format');
return this._test(type, date, function (value, state, options) {
var compareTo;
if (isNow) {
compareTo = Date.now();
}
else if (isRef) {
compareTo = internals.toDate(date(state.parent, options));
if (!compareTo) {
return Errors.create('date.ref', { ref: date.key }, state, options);
}
compareTo = compareTo.getTime();
}
else {
compareTo = date.getTime();
}
if (compare(value.getTime(), compareTo)) {
return null;
}
return Errors.create('date.' + type, { limit: new Date(compareTo) }, state, options);
});
};
};
internals.Date.prototype.min = internals.compare('min', function (value, date) {
return value >= date;
});
internals.Date.prototype.max = internals.compare('max', function (value, date) {
return value <= date;
});
internals.Date.prototype.format = function (format) {
Hoek.assert(typeof format === 'string' || (Array.isArray(format) && format.every(function (f) {
return typeof f === 'string';
})), 'Invalid format.');
var obj = this.clone();
obj._flags.format = format;
return obj;
};
internals.Date.prototype.iso = function () {
var obj = this.clone();
obj._flags.format = internals.isoDate;
return obj;
};
internals.Date.prototype._isIsoDate = function (value) {
return internals.isoDate.test(value);
};
module.exports = new internals.Date();