convert mentions of dates/times in tweet to local
// ==UserScript==
// @name twitter localize dates
// @namespace http://tampermonkey.net/
// @version 2024.07.28
// @description convert mentions of dates/times in tweet to local
// @author You
// @match https://twitter.com/*
// @match https://x.com/*
// @icon https://www.google.com/s2/favicons?sz=64&domain=twitter.com
// @grant none
// @license MIT
// @require https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.30.1/moment.min.js
// @require https://cdnjs.cloudflare.com/ajax/libs/moment-timezone/0.5.45/moment-timezone-with-data-10-year-range.js
// ==/UserScript==
// https://www.ge.com/digital/documentation/workflow/r_wf_time_zone_abbreviations_for_date_and_time_functions.html
const timeZoneMap = {
ET: "America/New_York",
EST: "America/New_York",
EDT: "America/New_York",
PT: "PST"
}
/**
* @param {string} str
*/
function parseTime(str) {
const timeStrMatch = str.match(/(?<time>[0-9][0-9]?(:[0-9][0-9])?)(?<offset>(a|p|A|P)(m|M))? +(?<timezone>[a-zA-Z]*)/)
let timeStr = timeStrMatch?.groups?.time
let timeZone = timeStrMatch?.groups?.timezone
if(timeStr && timeZone) {
const today = new Date().toISOString().split("T")[0]
if(!timeStr.includes(":")) {
timeStr += ":00"
}
timeZone = timeZoneMap[timeZone.toUpperCase()] ?? timeZone
const momentParsed=moment.tz(`${today} ${timeStr} ${timeStrMatch?.groups.offset ?? ''}`,"YYYY-MM-DD hh:mm A",timeZone)
const dateMillis=+momentParsed
return new Date(dateMillis)
}
return null
}
window.addEventListener("mousemove", e => {
if(e.target instanceof HTMLElement) {
const tweet = e.target.closest('[data-testid="cellInnerDiv"]')
if(tweet && tweet instanceof HTMLElement) {
const text = tweet.querySelector('[data-testid="tweetText"]')?.textContent.trim();
if(text) {
const parseddate = parseTime(text)
if(parseddate && !isNaN(+parseddate)) {
tweet.title = parseddate.toLocaleTimeString(undefined,{hour12:false})
}
}
}
}
})