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global.js
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global.js
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function forEach(item, fn) {
Array.prototype.forEach.call(item, fn);
}
const $watchers = new Map();
function $watch(prop, fn) {
let handlers = $watchers.get(prop);
if (!handlers) {
$watchers.set(prop, handlers = []);
}
handlers.push(fn);
}
const $state = new Proxy({}, {
get(obj, prop) {
return obj[prop];
},
set(obj, prop, value) {
const oldValue = obj[prop];
const handlers = $watchers.get(prop);
obj[prop] = value;
if (handlers && oldValue !== value) {
handlers.forEach(fn => fn(value, oldValue));
}
return true;
},
});
class EventEmitter extends EventTarget {
on(event, fn, opts) {
this.addEventListener(event, (e) => {
fn(...e._args);
}, opts);
}
off(event, fn) {
this.removeEventListener(event, fn);
}
once(event, fn) {
this.on(event, fn, {once: true});
}
emit(event, ...args) {
const e = new Event(event);
e._args = args;
this.dispatchEvent(e);
}
}
const $actions = new EventEmitter();
function $style(obj) {
if (!obj) return '';
if (typeof obj === 'string') return obj;
if (Array.isArray(obj)) {
return obj.map($style).filter(Boolean).join(';');
}
return Object.entries(obj).map(([key, val]) => {
if (!val) return false;
return `${key}: ${val}`;
}).filter(Boolean).join(';');
}
function $class(obj) {
if (!obj) return '';
if (Array.isArray(obj)) {
return obj.map($class).filter(Boolean).join(' ');
}
return obj;
}
function $select(selector) {
return document.querySelectorAll(selector);
}
function $selectByClass(cls) {
return document.getElementsByClassName(cls);
}
function _toArr(refs) {
if (!refs) return [];
if (typeof refs === 'string') {
return $select(refs);
}
if (refs instanceof Node) return [refs];
return refs.length === undefined ? [refs] : refs;
}
function $action(refs, func) {
forEach(_toArr(refs), (ref) => {
if (!ref) return;
if (!ref.length || ref instanceof Node) func(ref);
else forEach(ref, el => func(el));
});
}
function $first(refs) {
return _toArr(refs)[0];
}
function $event(event, selector, func) {
const passive = ['scroll', 'touchmove', 'touchstart', 'touchend'].includes(event);
$action(selector, (el) => {
el.addEventListener(event, function (e) {
if (!passive) {
e.preventDefault();
e.stopPropagation();
}
func.call(this, e);
});
});
}
function $click(selector, func) {
$event('click', selector, func);
}
function $hydrate(element, fn) {
if (!element) return;
$action(element, (el) => {
if (el.__hydrated) return;
el.__hydrated = true;
const q = s => el.querySelectorAll(s);
fn({
el,
q,
click(selector, func) {
$click(q(selector), func);
},
event(name, selector, func) {
$event(name, q(selector), func);
},
hydrate(selector, func) {
$hydrate(q(selector), func);
},
action(selector, func) {
$action(q(selector), func);
},
});
});
}
function $addClass(refs, cls) {
$action(refs, (el) => {
el.classList.add(cls);
});
}
function $removeClass(refs, cls) {
$action(refs, (el) => {
el.classList.remove(cls);
});
}
function $replaceClass(refs, oldClass, newClass) {
$action(refs, (el) => {
el.classList.remove(oldClass);
el.classList.add(newClass);
});
}
function $show(refs) {
$addClass(refs, 'hidden');
}
function $hide(refs) {
$removeClass(refs, 'hidden');
}
function $navigate(url, opts) {
if (opts) {
if (typeof opts === 'string') {
opts = {target: opts};
}
if (opts.target) {
window.open(url, opts.target);
}
}
else {
window.location = url;
}
}
/** JSURL Decode */
(function(exports) {
'use strict'
var stringRE = /^[a-zA-Z]/
var numRE = /^[\d-]/
var dict = {
T: true,
F: false,
N: null,
U: undefined,
n: NaN,
I: Infinity,
J: -Infinity,
}
var fromEscape = {
'*': '*',
_: '_',
'-': '~',
S: '$',
P: '+',
'"': "'",
C: '(', // not necessary but we keep it for symmetry
D: ')',
L: '<',
G: '>', // not necessary but we keep it for symmetry
'.': '%',
Q: '?',
H: '#',
A: '&',
E: '=',
B: '\\',
N: '\n',
R: '\r',
U: '\u2028',
Z: '\0',
}
function origChar(s) {
if (s === '_') {
return ' '
}
var c = fromEscape[s.charAt(1)]
if (!c) {
throw new Error('Illegal escape code', s)
}
return c
}
var escapeRE = /(_|\*.)/g
function unescape(s) {
// oddly enough, testing first is faster
return escapeRE.test(s) ? s.replace(escapeRE, origChar) : s
}
function eat(a) {
var j, c
for (
j = a.i;
j < a.l && ((c = a.s.charAt(j)), c !== '~' && c !== ')');
j++
) {}
var w = a.s.slice(a.i, j)
if (c === '~') {
j++
}
a.i = j
return w
}
function peek(a) {
return a.s.charAt(a.i)
}
function eatOne(a) {
a.i++
}
var EOS = {} // unique symbol
function decode(a) {
var out, k, t
var c = peek(a)
if (!c) {
return EOS
}
if (c === '(') {
eatOne(a)
out = {}
while (((c = peek(a)), c && c !== ')')) {
k = unescape(eat(a))
c = peek(a)
if (c && c !== ')') {
t = decode(a)
} else {
t = true
}
out[k] = t
}
if (c === ')') {
eatOne(a)
}
} else if (c === '!') {
eatOne(a)
out = []
while (((c = peek(a)), c && c !== '~' && c !== ')')) {
out.push(decode(a))
}
if (c === '~') {
eatOne(a)
}
} else if (c === '_') {
eatOne(a)
k = unescape(eat(a))
if (k.charAt(0) === 'D') {
out = new Date(k.slice(1))
} else if (k in dict) {
out = dict[k]
} else {
throw new Error('Unknown dict reference', k)
}
} else if (c === '*') {
eatOne(a)
out = unescape(eat(a))
} else if (c === '~') {
eatOne(a)
out = true
} else if (numRE.test(c)) {
out = Number(eat(a))
if (isNaN(out)) {
throw new Error('Not a number', c)
}
} else if (stringRE.test(c)) {
out = unescape(eat(a))
} else {
throw new Error('Cannot decode part ' + [t].concat(a).join('~'))
}
return out
}
var JSONRE = /^({|\[|"|true$|false$|null$)/
exports.parse = function(s, options) {
if (JSONRE.test(s)) return JSON.parse(s)
var l = s.length
var r = decode({s: s, i: 0, l: l})
return r === EOS ? true : r
}
exports.tryParse = function(s, def, options) {
try {
return exports.parse(s, options)
} catch (ex) {
return def
}
}
})((window.JSURL = window.JSURL || {}));
function $jsUrl(data, def) {
return JSURL.tryParse(data, def);
}
function $elJson(ref, attr = 'data--j') {
const el = $first(ref);
if (!el) return;
if (el._jjson === undefined) {
el._jjson = $jsUrl(ref.getAttribute(attr));
}
return el._jjson;
}
function $getJson(name) {
return window[`$json.${name}`];
}
$action($select('[data--c]'), (el) => {
const selector = el.getAttribute('data--c');
if (selector === 'stop') {
el.addEventListener('click', (e) => {
e.stopPropagation();
});
return;
}
let target = el.getAttribute('target');
if (selector.startsWith('l:')) {
let link = selector.substring(2).replace(/¦/g, '/');
if (link.startsWith('b:')) {
link = link.substring(2);
target = '_blank';
}
el.addEventListener('click', (e) => {
e.stopPropagation();
e.preventDefault();
$navigate(link, target);
});
return;
}
const link = el.href;
const node = el.closest(selector);
if (node) {
node.addEventListener('click', (e) => {
e.stopPropagation();
e.preventDefault();
$navigate(link, target);
});
}
});