用于人类友好的相对日期格式的 Javascript 库

Javascript library for human-friendly relative date formatting(用于人类友好的相对日期格式的 Javascript 库)

问题描述

我想以人性化的格式显示一些相对于当前日期的日期.

I'd like to display some dates as relative to the current date in a human-friendly format.

人类友好的相对日期示例:

Examples of human-friendly relative dates:

• 10 秒前
• 20 分钟后
• 1 天前
• 5 周前
• 2 个月前

基本上忠实地保留最高数量级(并且优先考虑，仅在超过其中 2 个单位时上调单位 - 5 周而不是 1 个月).

Basically faithfully preserving the highest order of magnitude (and by preference, only shifting up units when passing 2 of those units - 5 weeks instead of 1 month).

虽然我可以接受一个控制较少且日期更友好的图书馆，例如:

Though I could live with a library that had less control and even more friendly dates like:

• 昨天
• 明天
• 上周
• 几分钟前
• 几个小时后

有任何流行的图书馆吗?

Any popular libraries for this?

推荐答案

自从我写了这个答案，一个众所周知的可用库是 moment.js.

Since I wrote this answer, a well known library available is moment.js.

有可用的库，但自己实现它很简单.只需使用少数几个条件.

There are libraries available, but it is trivial to implement it yourself. Just use a handful of conditions.

假设 date 是一个实例化的 Date 对象，用于您要与之进行比较的时间.

Assume date is an instantiated Date object for the time you want to make a comparison against.

// Make a fuzzy time
var delta = Math.round((+new Date - date) / 1000);

var minute = 60,
    hour = minute * 60,
    day = hour * 24,
    week = day * 7;

var fuzzy;

if (delta < 30) {
    fuzzy = 'just then.';
} else if (delta < minute) {
    fuzzy = delta + ' seconds ago.';
} else if (delta < 2 * minute) {
    fuzzy = 'a minute ago.'
} else if (delta < hour) {
    fuzzy = Math.floor(delta / minute) + ' minutes ago.';
} else if (Math.floor(delta / hour) == 1) {
    fuzzy = '1 hour ago.'
} else if (delta < day) {
    fuzzy = Math.floor(delta / hour) + ' hours ago.';
} else if (delta < day * 2) {
    fuzzy = 'yesterday';
}

您需要调整它以处理未来的日期.

You would need to adapt this to handle future dates.

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