特定の日時からの時間を計算する TimeAgo jQuery プラグインを開発しています。例：4分前
ユーザーのタイムゾーンに合わせて開発しましたが、問題なく動作しますが、自動的に更新されると、タイムゾーンに応じてマイナス/プラスの時間が繰り返されます..
一度だけ付加価値をつけたい！
JS コード:
(function($) {
$.timeago = function(timestamp) {
if (timestamp instanceof Date) {
return inWords(timestamp);
} else if (typeof timestamp === "string") {
return inWords($.timeago.parse(timestamp));
} else if (typeof timestamp === "number") {
return inWords(new Date(timestamp));
} else {
return inWords($.timeago.datetime(timestamp));
}
};
var $t = $.timeago;
$.extend($.timeago, {
settings: {
refreshMillis: 60000,
allowFuture: false,
strings: {
prefixAgo: null,
prefixFromNow: null,
suffixAgo: "قبل",
suffixFromNow: "من الآن",
seconds: "اقل من دقيقة",
minute: "دقيقة",
minutes: "%d دقيقة",
hour: "ساعة",
hours: "%d ساعة",
day: "يوم",
days: "%d يوم",
month: "شهر",
months: "%d اشهر",
year: "سنة",
years: "%d سنين",
wordSeparator: " ",
numbers: []
}
},
inWords: function(distanceMillis) {
var $l = this.settings.strings;
var prefix = $l.prefixAgo;
var suffix = $l.suffixAgo;
if (this.settings.allowFuture) {
if (distanceMillis < 0) {
prefix = $l.prefixFromNow;
suffix = $l.suffixFromNow;
}
}
var seconds = Math.abs(distanceMillis) / 1000;
var minutes = seconds / 60;
var hours = minutes / 60;
var days = hours / 24;
var years = days / 365;
function substitute(stringOrFunction, number) {
var string = $.isFunction(stringOrFunction) ? stringOrFunction(number, distanceMillis) : stringOrFunction;
var value = ($l.numbers && $l.numbers[number]) || number;
return string.replace(/%d/i, value);
}
var words = seconds < 45 && substitute($l.seconds, Math.round(seconds)) ||
seconds < 90 && substitute($l.minute, 1) ||
minutes < 45 && substitute($l.minutes, Math.round(minutes)) ||
minutes < 90 && substitute($l.hour, 1) ||
hours < 24 && substitute($l.hours, Math.round(hours)) ||
hours < 42 && substitute($l.day, 1) ||
days < 30 && substitute($l.days, Math.round(days)) ||
days < 45 && substitute($l.month, 1) ||
days < 365 && substitute($l.months, Math.round(days / 30)) ||
years < 1.5 && substitute($l.year, 1) ||
substitute($l.years, Math.round(years));
var separator = $l.wordSeparator === undefined ? " " : $l.wordSeparator;
return $.trim([prefix, suffix, words].join(separator));
},
parse: function(iso8601) {
var s = $.trim(iso8601);
s = s.replace(/\.\d+/, ""); // remove milliseconds
s = s.replace(/-/, "/").replace(/-/, "/");
s = s.replace(/T/, " ").replace(/Z/, " UTC");
s = s.replace(/([\+\-]\d\d)\:?(\d\d)/, " $1$2"); // -04:00 -> -0400
return new Date(s);
},
datetime: function(elem) {
var iso8601 = $t.isTime(elem) ? $(elem).attr("datetime") : $(elem).attr("title");
return $t.parse(iso8601);
},
isTime: function(elem) {
// jQuery's `is()` doesn't play well with HTML5 in IE
return $(elem).get(0).tagName.toLowerCase() === "time"; // $(elem).is("time");
}
});
$.fn.timeago = function() {
var self = this;
self.each(refresh);
var $s = $t.settings;
if ($s.refreshMillis > 0) {
setInterval(function() { self.each(refresh); }, $s.refreshMillis);
}
return self;
};
function refresh() {
var data = prepareData(this);
var dt = data.datetime;
if (!isNaN(dt)) {
$(this).text(inWords(dt));
}
return this;
}
function prepareData(element) {
element = $(element);
if (!element.data("timeago")) {
element.data("timeago", { datetime: $t.datetime(element) });
var text = $.trim(element.text());
if (text.length > 0 && !($t.isTime(element) && element.attr("title"))) {
element.attr("title", text);
}
}
return element.data("timeago");
}
function get_time_zone_offset() {
var current_date = new Date();
return -current_date.getTimezoneOffset() / 60;
}
function inWords(date) {
date.setHours(date.getHours() + get_time_zone_offset());
return $t.inWords(distance(date));
}
function distance(date) {
return (new Date().getTime() - date.getTime());
}
// fix for IE6 suckage
document.createElement("span");
document.createElement("time");
} (jQuery));