API 키를 발급 받지 않아도 되는 편리한 날씨 API : https://open-meteo.com/
Free Open-Source Weather API | Open-Meteo.com
$ curl "https://api.open-meteo.com/v1/forecast?latitude=52.52&longitude=13.41¤t_weather=true&hourly=temperature_2m,relativehumidity_2m,windspeed_10m" { "current_weather": { "time": "2022-01-01T15:00" "temperature": 2.4, "weathercode": 3, "windspeed": 11.9
open-meteo.com
데모 페이지 : https://ohikmyeong.github.io/wds-weather-app
소스 : https://github.com/OhIkmyeong/wds-weather-app
GitHub - OhIkmyeong/wds-weather-app: [WDS]How To Build A Weather App In JavaScript Without Needing A Server
[WDS]How To Build A Weather App In JavaScript Without Needing A Server - GitHub - OhIkmyeong/wds-weather-app: [WDS]How To Build A Weather App In JavaScript Without Needing A Server
github.com
navigator.geolocation.getCurrentPosition(성공시 콜백함수, 실패시 콜백함수)Intl의 다양한 기능들 : 노마드 코더 영상 Intl에 대해 알아보기
- 현재 거주 시간대 가져오기 e) Asia/Seoul
Intl.DateTimeFormat().resolvedOptions().timeZone;- 밀리세컨드(timestamp)를 요일(day)로 변환
new Intl.DateTimeFormat("en-US", { weekday: "long" }).format(timestamp);- 밀리세컨드(timestamp)를 시간대(AM/PM)으로 변환
new Intl.DateTimeFormat("en-US", { hour: "numeric" }).format(timestamp);- <template></template> ($temp)를 사용하는 방법
const $clone = document.importNode($temp.content,true);const $clone = $temp.content.cloneNode(true);
//.content를 하지 않으면 <template>부터 복사되기 때문에 에러 발생...- 구조 분해 할당에서
const obj = { key : "value" };
function object_destructive({key}){
return {key}; //이는 {key : key} 와 같다.
}
object_destructive(obj); // {key : "value"}HTML
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>How To Build A Weather App In JavaScript Without Needing A Server</title>
<link rel="stylesheet" href="./css/style.css">
<script src="./js/main.js" type="module"></script>
</head>
<body class="blur">
<!-- -->
<a href="https://www.youtube.com/watch?v=w0VEOghdMpQ&t=2411s" target="_blank">
How To Build A Weather App In JavaScript Without Needing A Server by Web Dev Simplified
</a>
<!-- [CURR] -->
<section id="wrap-curr">
<article id="curr-left">
<img src="./img/sun.svg" alt="날씨 아이콘" title="weather icon" class="ic" data-curr-icon>
<div class="val-temp" data-curr-temp>00</div>
</article>
<ul id="curr-right">
<li>
<p class="lbl">high</p>
<div class="val-temp" data-curr-high>00</div>
</li>
<li>
<p class="lbl">fl high</p>
<div class="val-temp" data-curr-high-fl>00</div>
</li>
<li>
<p class="lbl">wind</p>
<div class="val-wind" data-curr-wind>00</div>
</li>
<li>
<p class="lbl">low</p>
<div class="val-temp" data-curr-low>00</div>
</li>
<li>
<p class="lbl">fl low</p>
<div class="val-temp" data-curr-low-fl>00</div>
</li>
<li>
<p class="lbl">precip</p>
<div class="val-inch" data-curr-prcp>00</div>
</li>
</ul>
</section><!-- wrap-curr -->
<!-- [DAYS] -->
<section id="wrap-days">
<template>
<article class="day-card">
<img src="./img/sun.svg" alt="" class="ic" data-days-ic>
<p class="lbl" data-days-day>WednesDay</p>
<div class="val-temp" data-days-temp>32</div>
</article>
</template>
</section><!-- wrap-days -->
<!-- [HOURS] -->
<table id="tbl-hours">
<caption>시간대별</caption>
<colgroup>
<col>
<col style="width:100px;">
<col style="width:100px;">
<col style="width:100px;">
<col style="width:100px;">
<col style="width:100px;">
</colgroup>
<tbody>
<template>
<tr>
<td>
<p class="lbl" data-hourly-day>MONDAY</p>
<p class="val-time" data-hourly-hour>3</p>
</td>
<td>
<img src="./img/sun.svg" alt="" class="ic" data-hourly-ic>
</td>
<td>
<p class="lbl">TEMP</p>
<div class="val-temp" data-hourly-temp>31</div>
</td>
<td>
<p class="lbl">FL TEMP</p>
<div class="val-temp"data-hourly-temp-fl>25</div>
</td>
<td>
<p class="lbl">wind</p>
<div class="val-wind" data-hourly-wind>25</div>
</td>
<td>
<p class="lbl">PRECIP</p>
<div class="val-prcp" data-hourly-prcp>25</div>
</td>
</tr>
</template>
</tbody>
</table><!-- tbl-hours -->
</body>
</html>
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cs |
CSS
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@charset "utf-8";
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;600;700&display=swap');
:root{
--f-fam:'Outfit', sans-serif;
--bg : hsl(200,60%,70%);
--bg-cell : hsl(200,100%,85%);
--f1: hsl(200,100%,10%);
--f2 :hsl(200,100%,25%);
}
*{margin:0;padding:0;box-sizing:border-box;}
li{list-style-type:none;} img{vertical-align:middle;}
body{
background:var(--bg);
font-family:var(--f-fam); font-size:18px; color:var(--f1);
transition:filter .3s .3s linear;
}
.blur{
filter:blur(20px);
overflow:hidden;
}
a{
display:block;
padding:1em;
background:var(--f1);
text-align:center; font-size:13px; color:var(--bg);
text-decoration:none;
}
/* 📌 [공통] */
.lbl{
text-transform:uppercase;
font-weight:600; font-size:.8em; color:var(--f2);
}
/* 📌 유닛 */
.val-unit{
margin-left:.2em;
font-size:.7em;
}
/* 📌 [CURRENT] */
#wrap-curr{
display:flex;flex-flow:row wrap;
justify-content:center;align-items:center;
gap:20px 40px;
position:relative;
max-width:calc(100% - 40px);
padding:40px 20px; margin:20px auto;
background:var(--bg-cell);
border:2px solid var(--f1); border-radius:20px;
}
/* left */
#curr-left{
display:flex; flex-flow:row wrap;
justify-content:center;align-items:center;
gap:0 20px;
position:relative;
text-align:center;
}
[data-curr-icon]{
width:100px; aspect-ratio:1/1;
}
[data-curr-temp]{
font-size:80px;
}
/* right */
#curr-right{
display:flex; flex-flow:row wrap;
justify-content:center; align-items:center;
gap:10px 0;
position:relative;
text-align:center;
}
#curr-right > li{
/* outline:1px solid red; */
position:relative;
padding:0 20px;
border-left:1px solid hsl(200,100%,40%);
text-align:center;
}
#curr-right > li:first-child{
border-left:none;
}
#curr-right [class ^= "val-"]:not(.val-unit){
font-size:1.5rem;
}
/* 📌 [DAYS] */
/* wrap */
#wrap-days{
display:grid;
grid-template-columns: repeat(auto-fit,120px);
justify-content:center;
gap:20px;
position:relative;
width:calc(100% - 40px);
margin:20px auto;
}
/* card */
.day-card{
position:relative;
padding:15px 10px;
background:var(--bg-cell);
border:2px solid var(--f2); border-radius:10px;
text-align:center;
}
.day-card .ic{
width:50px; height:50px; object-fit:contain;;
}
.day-card .lbl{
margin:10px 0 0px;
}
.day-card .val-temp{
font-size:1.4rem;
}
/* 📌 [HOURS] */
#tbl-hours{
table-layout:fixed;
border-spacing:2px 10px; border-collapse:separate;
position:relative;
width:100%;
text-align:center;
}
caption{display:none;}
#tbl-hours tr:nth-child(odd){
background:hsl(200,100%,92%);;
}
#tbl-hours tr:nth-child(even){
background:hsl(200,100%,90%);;
}
#tbl-hours td{
padding:10px;
}
/* 시간 */
#tbl-hours .val-time{
font-size:2rem;
}
.val-time-am::after,
.val-time-pm::after{
margin-left:.1em;
font-size:0.6em; font-weight:500; color:var(--f2);
}
.val-time-am::after{
content:"AM"
}
.val-time-pm::after{
content:'PM'
}
/* 아이콘 */
#tbl-hours .ic{
width:40px;
}
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main.js
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(async function (){
const API = new WeatherAPI();
await API.init();
})()
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iconMap.js
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export const ICON_MAP = new Map();
function add_map(values,name){
values.forEach(val => {
ICON_MAP.set(val,name);
});
}//add_map
add_map([0,1], "sun");
add_map([2], "cloud-sun");
add_map([3], "cloud");
add_map([45,48], "smog");
add_map([51,53,55,56,57,61,63,65,66,67,80,81,82], "cloud-showers-heavy");
add_map([71,73,75,77,85,86], "snow");
add_map([95,96,99], "cloud-bold");
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Weather.js
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import { ICON_MAP } from "./iconMap.js";
export class WeatherAPI {
constructor() {
this.urlFull = 'https://api.open-meteo.com/v1/forecast?latitude=52.52&longitude=13.41&hourly=temperature_2m,apparent_temperature,precipitation,weathercode,windspeed_10m&daily=weathercode,temperature_2m_max,temperature_2m_min,apparent_temperature_max,apparent_temperature_min,precipitation_sum¤t_weather=true&timeformat=unixtime&timezone=Asia%2FTokyo';
}//constructor
/** init */
async init(){
navigator.geolocation.getCurrentPosition(this.success, this.fail);
}//init
/** 좌표 받아오는거 성공했을시 */
success = async ({coords}) => {
const {latitude:lat, longitude:lon} = coords;
const timezone = this.get_time_zone();
console.log(lat,lon,timezone);
const data = await this.get_weather(lat,lon,timezone);
if(!data) return;
const APP = new WeatherApp();
APP.init(data);
}
/** 좌표 받기 실패 */
fail = e =>{
console.error("위치 정보 받아오기 실패. 위치정보활성화를 해주세요. There was an error getting your location. Please allow us to use your location and refresh the page");
document.body.innerHTML = '';
}
/** get time zone
* @returns {String} ex: Asia/Seoul
*/
get_time_zone() {
return Intl.DateTimeFormat().resolvedOptions().timeZone;
}//get_time_zone
/**
* get weather data
* @param {Number} lat
* @param {Number} lon
* @param {String} timezone
* @returns {Object}parsed json data
*/
get_weather(lat, lon, timezone) {
const url = `https://api.open-meteo.com/v1/forecast?latitude=${lat}&longitude=${lon}&hourly=temperature_2m,apparent_temperature,precipitation,weathercode,windspeed_10m&daily=weathercode,temperature_2m_max,temperature_2m_min,apparent_temperature_max,apparent_temperature_min,precipitation_sum¤t_weather=true&timeformat=unixtime&timezone=${timezone}`;
return fetch(url)
.then(res => res.json())
.then(data => {
console.log('full data', data);
return {
current: this.parse_curr_weather(data),
daily: this.parse_daily_weather(data),
hourly: this.parse_hourly_weather(data),
}
})
.catch(e=>{
console.error(e);
alert('Error');
});
}//get_weather
/**
* parse curr data
* @param {Object} data
* @returns {Object}
*/
parse_curr_weather({ current_weather, daily }) {
const {
temperature: currentTemp,
weathercode: iconCode,
windspeed: windSpeed
} = current_weather;
const {
temperature_2m_max: [maxTemp],
temperature_2m_min: [minTemp],
apparent_temperature_max: [maxFeelsLike],
apparent_temperature_min: [minFeelsLike],
precipitation_sum: [precip]
} = daily; //각 array의 첫번째 값만 필요하거든
return {
currentTemp: String(Math.round(currentTemp)).padStart(2, "0"),
highTemp: maxTemp,
lowTemp: minTemp,
highFeelsLike: maxFeelsLike,
lowFeelsLike: minFeelsLike,
windSpeed,
precip: precip,
iconCode
}
}//parse_curr_weather
/**
* parse daily data
* @param {Object} data
* @returns {Object}
*/
parse_daily_weather({ daily }) {
const { time, weathercode, temperature_2m_max } = daily;
return time.map((t, idx) => {
return {
timestamp: t * 1000,
iconCode: weathercode[idx],
maxTemp: Math.round(temperature_2m_max[idx])
}
});
}//parse_daily_weather
/**
* parse hourly data
* @param {Object} data
* @returns {Object}
*/
parse_hourly_weather({ hourly, current_weather }) {
const { time, weathercode, temperature_2m, apparent_temperature, windspeed_10m, precipitation } = hourly;
const { time: currTime } = current_weather;
return time
.filter(t => t >= currTime)
.map((t, idx) => {
return {
timestamp: t * 1000,
iconCode: weathercode[idx],
temp: Math.round(temperature_2m[idx]),
feelsLike: Math.round(apparent_temperature[idx]),
windSpeed: Math.round(windspeed_10m[idx]),
precip: Math.round((precipitation[idx] * 100) / 100),
}
});
}//parse_hourly_weather
}//WeatherAPI
/* ====================================== */
export class WeatherApp {
/**
* 실제로 화면을 그리기 시작함
*/
constructor() {
}//constructor
/**
* 화면을 그리기 시작합니다
* @param {Object} data
* */
init(data) {
const { current, daily, hourly } = data;
this.render_curr(current);
this.render_daily(daily);
this.render_hourly(hourly);
document.body.classList.remove('blur');
}//init
/** 해당 dom에 textContent를 변경해준다
* @param {String}selector
* @param {String}value
* @param {DOM}parent
*/
set_value(selector, value, { parent = document } = {}) {
const $dom = parent.querySelector(`[data-${selector}`);
$dom.textContent = value;
return $dom;
}//set_value
/**
* iconCode에 맞춰 맞는 svg이미지 url을 가져옴
* @param {Number}iconCode
*/
get_icon_url(iconCode) {
return `./img/${ICON_MAP.get(iconCode)}.svg`;
}//get_icon_url
/**
* timestamp를 요일로 바꿔준다
* @param {Number} timestamp
* @url https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl/DateTimeFormat
*/
day_formatter(timestamp) {
return new Intl.DateTimeFormat("en-US", { weekday: "long" }).format(timestamp);
}//day_formatter
/**
* timestamp를 시간대로 바꿔준다
*/
time_formatter(timestamp) {
return new Intl.DateTimeFormat("en-US", { hour: "numeric" }).format(timestamp);
}//time_formatter
/**
* 현재 날씨
* @param {Object}data
*/
render_curr(data) {
// console.log(data);
const $wrap = document.getElementById('wrap-curr');
const $img = $wrap.querySelector('.ic');
const { currentTemp, highFeelsLike, highTemp, iconCode, lowFeelsLike, lowTemp, precip, windSpeed } = data;
this.set_value('curr-temp', currentTemp);
this.set_value('curr-high', highTemp);
this.set_value('curr-high-fl', highFeelsLike);
this.set_value('curr-wind', windSpeed);
this.set_value('curr-low', lowTemp);
this.set_value('curr-low-fl', lowFeelsLike);
this.set_value('curr-prcp', precip);
$img.src = this.get_icon_url(iconCode);
const $$val = $wrap.querySelectorAll('[class ^= "val-"]');
$$val.forEach(this.add_unit);
}//render_curr
/**
* 주간 날씨
* @param {Object}data
*/
render_daily(data) {
const $wrap = document.getElementById('wrap-days');
const $temp = $wrap.querySelector('template');
const $frag = document.createDocumentFragment();
data.forEach(daily => {
const { timestamp, iconCode, maxTemp } = daily;
const $clone = $temp.content.cloneNode(true);
const $img = $clone.querySelector('[data-days-ic]');
$img.src = this.get_icon_url(iconCode);
this.set_value('days-day', this.day_formatter(timestamp), { parent: $clone });
const $tempDaily = this.set_value('days-temp', maxTemp, { parent: $clone });
this.add_unit($tempDaily);
$frag.appendChild($clone);
});
$wrap.innerHTML = '';
$wrap.appendChild($frag);
console.log(data);
}//render_daily
/**
* 시간별 날씨
* @param {Object}data
*/
render_hourly(data) {
console.log(data);
const $table = document.getElementById('tbl-hours');
const $tbody = $table.getElementsByTagName('TBODY')[0];
const $temp = $tbody.querySelector('TEMPLATE');
const $frag = document.createDocumentFragment();
data.forEach(obj => {
const { timestamp, iconCode, temp, feelsLike, windSpeed, precip } = obj;
const $clone = $temp.content.cloneNode(true);
const $img = $clone.querySelector('[data-hourly-ic');
$img.src = this.get_icon_url(iconCode);
this.set_value("hourly-day",this.day_formatter(timestamp),{parent:$clone});
this.set_value("hourly-hour",this.time_formatter(timestamp), { parent: $clone })
this.add_unit(this.set_value("hourly-temp", temp, { parent: $clone }));
this.add_unit(this.set_value("hourly-temp-fl", feelsLike, { parent: $clone }));
this.add_unit(this.set_value("hourly-wind", windSpeed, { parent: $clone }));
this.add_unit(this.set_value("hourly-prcp", precip, { parent: $clone }));
$frag.appendChild($clone);
});
$tbody.innerHTML = '';
$tbody.appendChild($frag);
}//render_hourly
/**
* @param {DOM} $dom
*/
add_unit($dom) {
const type = $dom.classList[0].split('-')[1];
const $sup = document.createElement('SPAN');
$sup.classList.add('val-unit');
switch (type) {
case "temp":
// $sup.innerHTML = '°'; //Farenheit
$sup.innerHTML = '°C';
break;
case "wind":
$sup.innerHTML = 'km/h';
break;
case "prcp":
$sup.innerHTML = 'in';
break;
case "inch":
$sup.innerHTML = 'inch';
break;
default: break;
}
$dom.appendChild($sup);
}//add_unit
}//WeatherApp
|
cs |
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