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xo.js
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xo.js
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var xover = {};
var xo = xover;
xover.app = {};
xover.debug = {};
xover.browser = {};
xover.cache = {};
xover.cryptography = {};
xover.cryptography.generateUUID = function () {//from https://stackoverflow.com/questions/105034/how-to-create-a-guid-uuid
// Public Domain/MIT -- For https we can use Crypto web api
let d = new Date().getTime();//Timestamp
let d2 = ((typeof performance !== 'undefined') && performance.now && (performance.now() * 1000)) || 0;//Time in microseconds since page-load or 0 if unsupported
return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function (c) {
let r = Math.random() * 16;//random number between 0 and 16
if (d > 0) {//Use timestamp until depleted
r = (d + r) % 16 | 0;
d = Math.floor(d / 16);
} else {//Use microseconds since page-load if supported
r = (d2 + r) % 16 | 0;
d2 = Math.floor(d2 / 16);
}
return (c === 'x' ? r : (r & 0x3 | 0x8)).toString(16);
});
}
xover.cryptography.decodeJwt = function (token) {//from https://stackoverflow.com/questions/38552003/how-to-decode-jwt-token-in-javascript-without-using-a-library
let base64Url = token.split('.')[1];
let base64 = base64Url.replace(/-/g, '+').replace(/_/g, '/');
let jsonPayload = decodeURIComponent(atob(base64).split('').map(function (c) {
return '%' + ('00' + c.charCodeAt(0).toString(16)).slice(-2);
}).join(''));
return JSON.parse(jsonPayload);
}
xover.cryptography.encodeBase64 = function (str) {
return btoa(encodeURIComponent(str).replace(/%([0-9A-F]{2})/g, function (match, p1) {
return String.fromCharCode('0x' + p1);
}));
}
xover.cryptography.encodeMD5 = function (str) {
/*
* A JavaScript implementation of the RSA Data Security, Inc. MD5 Message
* Digest Algorithm, as defined in RFC 1321.
* Copyright (C) Paul Johnston 1999 - 2000.
* Updated by Greg Holt 2000 - 2001.
* See http://pajhome.org.uk/site/legal.html for details.
*/
/*
* Convert a 32-bit number to a hex string with ls-byte first
*/
let hex_chr = "0123456789abcdef";
function rhex(num) {
str = "";
for (let j = 0; j <= 3; j++)
str += hex_chr.charAt((num >> (j * 8 + 4)) & 0x0F) +
hex_chr.charAt((num >> (j * 8)) & 0x0F);
return str;
}
/*
* Convert a string to a sequence of 16-word blocks, stored as an array.
* Append padding bits and the length, as described in the MD5 standard.
*/
function str2blks_MD5(str) {
let i;
nblk = ((str.length + 8) >> 6) + 1;
blks = new Array(nblk * 16);
for (let i = 0; i < nblk * 16; i++) blks[i] = 0;
for (let i = 0; i < str.length; i++)
blks[i >> 2] |= str.charCodeAt(i) << ((i % 4) * 8);
blks[i >> 2] |= 0x80 << ((i % 4) * 8);
blks[nblk * 16 - 2] = str.length * 8;
return blks;
}
/*
* Add integers, wrapping at 2^32. This uses 16-bit operations internally
* to work around bugs in some JS interpreters.
*/
function add(x, y) {
let lsw = (x & 0xFFFF) + (y & 0xFFFF);
let msw = (x >> 16) + (y >> 16) + (lsw >> 16);
return (msw << 16) | (lsw & 0xFFFF);
}
/*
* Bitwise rotate a 32-bit number to the left
*/
function rol(num, cnt) {
return (num << cnt) | (num >>> (32 - cnt));
}
/*
* These functions implement the basic operation for each round of the
* algorithm.
*/
function cmn(q, a, b, x, s, t) {
return add(rol(add(add(a, q), add(x, t)), s), b);
}
function ff(a, b, c, d, x, s, t) {
return cmn((b & c) | ((~b) & d), a, b, x, s, t);
}
function gg(a, b, c, d, x, s, t) {
return cmn((b & d) | (c & (~d)), a, b, x, s, t);
}
function hh(a, b, c, d, x, s, t) {
return cmn(b ^ c ^ d, a, b, x, s, t);
}
function ii(a, b, c, d, x, s, t) {
return cmn(c ^ (b | (~d)), a, b, x, s, t);
}
x = str2blks_MD5(str);
a = 1732584193;
b = -271733879;
c = -1732584194;
d = 271733878;
for (let i = 0; i < x.length; i += 16) {
olda = a;
oldb = b;
oldc = c;
oldd = d;
a = ff(a, b, c, d, x[i + 0], 7, -680876936);
d = ff(d, a, b, c, x[i + 1], 12, -389564586);
c = ff(c, d, a, b, x[i + 2], 17, 606105819);
b = ff(b, c, d, a, x[i + 3], 22, -1044525330);
a = ff(a, b, c, d, x[i + 4], 7, -176418897);
d = ff(d, a, b, c, x[i + 5], 12, 1200080426);
c = ff(c, d, a, b, x[i + 6], 17, -1473231341);
b = ff(b, c, d, a, x[i + 7], 22, -45705983);
a = ff(a, b, c, d, x[i + 8], 7, 1770035416);
d = ff(d, a, b, c, x[i + 9], 12, -1958414417);
c = ff(c, d, a, b, x[i + 10], 17, -42063);
b = ff(b, c, d, a, x[i + 11], 22, -1990404162);
a = ff(a, b, c, d, x[i + 12], 7, 1804603682);
d = ff(d, a, b, c, x[i + 13], 12, -40341101);
c = ff(c, d, a, b, x[i + 14], 17, -1502002290);
b = ff(b, c, d, a, x[i + 15], 22, 1236535329);
a = gg(a, b, c, d, x[i + 1], 5, -165796510);
d = gg(d, a, b, c, x[i + 6], 9, -1069501632);
c = gg(c, d, a, b, x[i + 11], 14, 643717713);
b = gg(b, c, d, a, x[i + 0], 20, -373897302);
a = gg(a, b, c, d, x[i + 5], 5, -701558691);
d = gg(d, a, b, c, x[i + 10], 9, 38016083);
c = gg(c, d, a, b, x[i + 15], 14, -660478335);
b = gg(b, c, d, a, x[i + 4], 20, -405537848);
a = gg(a, b, c, d, x[i + 9], 5, 568446438);
d = gg(d, a, b, c, x[i + 14], 9, -1019803690);
c = gg(c, d, a, b, x[i + 3], 14, -187363961);
b = gg(b, c, d, a, x[i + 8], 20, 1163531501);
a = gg(a, b, c, d, x[i + 13], 5, -1444681467);
d = gg(d, a, b, c, x[i + 2], 9, -51403784);
c = gg(c, d, a, b, x[i + 7], 14, 1735328473);
b = gg(b, c, d, a, x[i + 12], 20, -1926607734);
a = hh(a, b, c, d, x[i + 5], 4, -378558);
d = hh(d, a, b, c, x[i + 8], 11, -2022574463);
c = hh(c, d, a, b, x[i + 11], 16, 1839030562);
b = hh(b, c, d, a, x[i + 14], 23, -35309556);
a = hh(a, b, c, d, x[i + 1], 4, -1530992060);
d = hh(d, a, b, c, x[i + 4], 11, 1272893353);
c = hh(c, d, a, b, x[i + 7], 16, -155497632);
b = hh(b, c, d, a, x[i + 10], 23, -1094730640);
a = hh(a, b, c, d, x[i + 13], 4, 681279174);
d = hh(d, a, b, c, x[i + 0], 11, -358537222);
c = hh(c, d, a, b, x[i + 3], 16, -722521979);
b = hh(b, c, d, a, x[i + 6], 23, 76029189);
a = hh(a, b, c, d, x[i + 9], 4, -640364487);
d = hh(d, a, b, c, x[i + 12], 11, -421815835);
c = hh(c, d, a, b, x[i + 15], 16, 530742520);
b = hh(b, c, d, a, x[i + 2], 23, -995338651);
a = ii(a, b, c, d, x[i + 0], 6, -198630844);
d = ii(d, a, b, c, x[i + 7], 10, 1126891415);
c = ii(c, d, a, b, x[i + 14], 15, -1416354905);
b = ii(b, c, d, a, x[i + 5], 21, -57434055);
a = ii(a, b, c, d, x[i + 12], 6, 1700485571);
d = ii(d, a, b, c, x[i + 3], 10, -1894986606);
c = ii(c, d, a, b, x[i + 10], 15, -1051523);
b = ii(b, c, d, a, x[i + 1], 21, -2054922799);
a = ii(a, b, c, d, x[i + 8], 6, 1873313359);
d = ii(d, a, b, c, x[i + 15], 10, -30611744);
c = ii(c, d, a, b, x[i + 6], 15, -1560198380);
b = ii(b, c, d, a, x[i + 13], 21, 1309151649);
a = ii(a, b, c, d, x[i + 4], 6, -145523070);
d = ii(d, a, b, c, x[i + 11], 10, -1120210379);
c = ii(c, d, a, b, x[i + 2], 15, 718787259);
b = ii(b, c, d, a, x[i + 9], 21, -343485551);
a = add(a, olda);
b = add(b, oldb);
c = add(c, oldc);
d = add(d, oldd);
}
return rhex(a) + rhex(b) + rhex(c) + rhex(d);
}
Object.defineProperty(Array.prototype, 'coalesce',
{
value: function () {
let args = this instanceof Array && this || arguments;
for (let item of args) {
if (item !== undefined && item !== null) {
return item;
}
}
return;
},
writable: true, enumerable: false, configurable: false
}
);
Object.defineProperty(Array.prototype, 'distinct',
{
value: function (fn) {
let array = this;
if (!fn && array.some(item => item && [Attr, Text].includes(item.constructor))) {
fn = String
}
if (typeof (fn) == 'function') {
array = array.map(fn)
}
return [... new Set(array)];
},
writable: true, enumerable: false, configurable: false
}
);
Object.defineProperty(Array.prototype, 'order',
{
value: function (direction = 'ASC') {
return this.sort((a, b) => {
const orderA = parseInt(a.value || a);
const orderB = parseInt(b.value || b);
return (direction || '').toUpperCase() == 'ASC' ? orderA - orderB : orderB - orderA;
})
},
writable: true, enumerable: false, configurable: false
}
);
xover.components = {};
xover.custom = {};
xover.data = {};
xover.stores = new Proxy({}, {
get: function (self, key) {
key = key || "#";
if (key in self) {
return self[key];
} else if (key[0] == '$') {
return xover.stores[`#${key.split("$").pop()}`];
} else if (key.indexOf('{$') != -1) {
return null;
} else if (key[0] == '#') {
xover.stores[key] = new xover.Store(xover.sources[key], { tag: key });
return xover.stores[key];
}
},
set: function (self, key, value) {
let refresh;
if (value && !(value instanceof xover.Store)) {
if (value instanceof XMLDocument && value.stylesheets.length) {
value = new xover.Store(value);
} else {
throw (new Error('Supplied store is not valid type'));
}
}
//Object.defineProperty(value.document, 'store', {
// get: function () {
// return value
// }
//})
value.document.store = value;
self[key] = value
return self[key];
},
deleteProperty: function (self, key) {
let exists = key in self
let same = self[xover.site.seed] === self[key]
sessionStorage.removeItem(key);
xover.storehouse.remove('sources', key);
if (exists) {
delete self[key];
delete xover.sources[key];
//if (same && xover.site.position > 1) {
// history.back();
//} /*else {
// xover.dom.refresh();
//}*/
}
return exists && !(key in self)
}, has: function (self, key) {
return (key in self || key.toLowerCase() in self || key in xover.sources) || key in (xover.manifest.server || {});
}
});
xover.data.binding = {};
xover.data.binding["max_subscribers"] = 30;
xover.data.binding.sources = {};
xover.data.binding.requests = {};
xover.data.titles = {};
xover.storehouse = new Proxy({
config: {
'files': { keyPath: "uid" }
, 'sources': { autoIncrement: true }
}
}, {
get: function (self, key) {
if (key in self) {
return self[key];
}
return self.open(key);
}
});
Object.defineProperty(xover.storehouse, 'files', {
get: async function () {
let store = await xover.storehouse.open('files', { keyPath: "uid" });
let _add = store.add;
store.add = function (files) {
let _url;
let _cached_ids = [];
for (let file of files) {
_url = window.URL.createObjectURL(file);
let record = {}
record.uid = _url;
record.id = _url.substring(_url.lastIndexOf('/') + 1);
record.extension = file.name.substring(file.name.lastIndexOf('.') + 1);
record.saveAs = record.id;/*`${record.id}.${record.extension}`;*/
record.file = file;
_add(record);
_cached_ids.push(record);
}
return _cached_ids;
}
return store;
}
});
Object.defineProperty(xover.storehouse, 'sources', {
get: async function () {
let store = await xover.storehouse.open('sources');
let _add = store.add;
store.add = function (source, name = '', type) {
if (source.constructor === {}.constructor) source = JSON.stringify(source);
if (source instanceof Node) source = source.outerHTML || source.innerHTML || source.toString();
let file = new File([`${source}`], name, {
type: (type || "text/plain").split(",")[0],
});
_add(file, record_key);
}
let _put = store.put;
store.put = function (source, name = '', type) {
if (source.constructor === {}.constructor) source = JSON.stringify(source);
if (source instanceof Node) source = source.outerHTML || source.innerHTML || source.toString();
let file = new File([`${source}`], name, {
type: (type || "text/plain").split(",")[0],
});
_put(file, name);
}
let _get = store.get;
store.get = async function (name = '') {
let record = await _get(name);
return record;
}
return store;
}
});
Object.defineProperties(xover.storehouse, {
read: {
value: async function (store_name, key) {
let store;
store = await this[store_name];
let record = await store.get(key);
let content = record && record.text && await record.text() || undefined;
let document = content;
try {
if (record && record.type.indexOf("json") != -1) {
document = JSON.parse(content)
} else {
document = content && xover.xml.createDocument(content) || content
}
} catch (e) {
console.log(e)
}
if (document instanceof Document && record) {
document.href = record.name
document.lastModifiedDate = record.lastModified;
}
return document
}
},
remove: {
value: async function (store_name, key) {
let store = await this[store_name];
return store.delete(key);
}
},
write: {
value: async function (store_name, key, value, type) {
if (value instanceof Node) value = value.cloneNode(true)
let store = await this[store_name];
return store.put(value, key, type);
}
},
open: {
value: function (key, config = { autoIncrement: true }, method = 'readwrite') {
return new Promise(async (resolve, reject) => {
let stores = Object.fromEntries(Object.entries(Object.getOwnPropertyDescriptors(xover.storehouse)).filter(([prop, func]) => func["get"] || func["enumerable"]));
//let storehouse = await indexedDB.stores().then(stores => stores.find(db => db.name == 'xover.storehouse'));
let connection = indexedDB.open('xover.storehouse', 4);
let handler = function (event) {
let store = event.target.result.transaction([key], method).objectStore(key);
store.add = function (...args) {
return new Promise((resolve, reject) => {
let request = IDBObjectStore.prototype.add.apply(store, args);
request.onerror = function (event) {
reject(request.result);
};
request.onsuccess = function (event) {
resolve(request.result);
};
});
}
store.get = function (...args) {
return new Promise((resolve, reject) => {
let request = IDBObjectStore.prototype.get.apply(store, args);
request.onerror = function (event) {
reject(request.result);
};
request.onsuccess = function (event) {
resolve(request.result);
};
});
}
store.put = function (...args) {
return new Promise((resolve, reject) => {
let request = IDBObjectStore.prototype.put.apply(store, args);
request.onerror = function (event) {
reject(request.result);
};
request.onsuccess = function (event) {
resolve(request.result);
};
});
}
store.delete = function (...args) {
return new Promise((resolve, reject) => {
let request = IDBObjectStore.prototype.delete.apply(store, args);
request.onerror = function (event) {
reject(request.result);
};
request.onsuccess = function (event) {
resolve(request.result);
};
});
}
store.openCursor = function (...args) {
return new Promise((resolve, reject) => {
let request = IDBObjectStore.prototype.openCursor.apply(store, args);
let records = []
request.onerror = function (event) {
reject(event.target.result);
};
request.onsuccess = async function (event) {
let cursor = event.target.result;
if (cursor) {
records.push([cursor.key, store.get(cursor.key)])
cursor.continue();
} else {
resolve(records);
}
};
});
}
return store;
}
connection.onsuccess = function (event) { resolve(handler(event)) };
connection.onerror = function (event) { reject(event) };
connection.onupgradeneeded = function (event) {
let db = event.target.result;
Object.entries(Object.getOwnPropertyDescriptors(stores)).filter(([prop, description]) => description.value.get).map(([store_name]) => {
if (!Array.from(db.objectStoreNames).includes(store_name)) {
db.createObjectStore(store_name, xover.storehouse.config[store_name]);//autoIncrement: true
}
});
};
})
}
}
})
xover.dom = {};
xover.dom.history = [];
xover.dom.intervals = new Proxy({}, {
get: function (self, key) {
return self[key];
},
set: function (self, key, input) {
self[key] = input;
return self[key];
},
deleteProperty: function (self, key) {
if (key in self) {
window.clearInterval(self[key]);
delete self[key];
}
}
})
xover.dom.controls = {};
xover.dom.updateTitle = function (input) {
let document_title = (input || document.title).match(/([^\(]+)(.*)/);
let [, title, environment] = (document_title || [, "", ""]);
document.title = title.replace(/\s+$/, '') + (` (${xover.session.store_id && xover.session.store_id != 'main' ? xover.session.store_id : 'v.'} ${xover.session.cache_name && xover.session.cache_name.split('_').pop() || ""})`).replace(/\((v\.)?\s+\)|\s+(?=\))/g, '');
}
xover.delay = function (ms) {
return ms ? new Promise(resolve => setTimeout(() => resolve(true), ms)) : Promise.resolve(true);
}
xover.init = async function () {
let progress_renders = [];
this.init.initializing = this.init.initializing || xover.delay(1).then(async () => {
try {
await xover.modernize();
xover.init.Observer();
await xover.manifest.init()
Object.assign(xover.spaces, xover.manifest.spaces);
if (history.state) delete history.state.active;
xover.site.seed = (history.state || {}).seed || top.location.hash || '#';
this.init.status = 'initialized';
window.top.dispatchEvent(new xover.listener.Event('xover-initializing', { progress_renders }, this));
if (xover.session.status == 'authorized' && 'session' in xover.server) {
await xover.session.checkStatus();
}
await Promise.all(xover.manifest.start.map(async href => await xover.sources[href].ready && xover.sources[href])).catch((e = {}) => {
console.error(`Couldn't start manifest entry`, e);
Object.defineProperty(e, 'initiator', {
enumerable: false, writable: true, configurable: true,
value: 'xover.init:start'
});
e.render && e.render()
});
await xover.stores.restore();
//xover.session.cache_name = typeof (caches) != 'undefined' && (await caches.keys()).find(cache => cache.match(new RegExp(`^${location.hostname}_`))) || ""; //causes troubles at firefox
xover.dom.updateTitle();
let sections = xover.site.sections;
xover.site.sections.forEach(section => section.render());
//let active = xover.stores.active;
//active && !document.querySelector(`[id="${self.tag.replace(/^#/, "")}"]`) && !sections.find(section => section.store == active && !section.hasAttribute("xo-stylesheet")) && await active.render(); // store will render only if there isn't any section requesting it and it doesn't have xo-stylesheet attribute
return Promise.resolve();
} catch (e) {
return Promise.reject(e)
}
}).catch(e => {
this.init.status = 'error';
/*return*/ Promise.reject(e); // Ommited return to prevent hitting multiple times unhandled rejection
}).finally(async () => {
this.init.initializing = 'done';
progress_renders = await progress_renders || [];
window.top.dispatchEvent(new xover.listener.Event(`xover-initialized`, { progress_renders }, this));
progress_renders instanceof Array && await Promise.all(progress_renders).then(item => item.remove());
});
return this.init.initializing;
}
Object.defineProperty(xover, 'ready', {
enumerable: false,
get: async function () {
if (xover.init.status != 'initialized') {
await xover.init();
}
return this.init.status == 'initialized';
}
})
xover.init.Observer = function (target_node = window.document) {
const config = { characterData: true, attributeOldValue: true, childList: true, subtree: true }; /*attributeFilter: ["xo-source", "xo-stylesheet", "xo-slot", "xo-suspense", "xo-schedule", "xo-static", "xo-stop", "xo-site", "xo-id", "class"], */
const intersection_observer = new IntersectionObserver(entries => {
entries.forEach(entry => {
entry.target.isIntersecting = entry.isIntersecting;
});
}, {
root: null, // The element that is used as the viewport
rootMargin: '0px', // Margin around the root
threshold: 0, // Percentage of the element's visibility to trigger the callback
});
const elementsToObserve = target_node.querySelectorAll('[xo-suspense*="Intersect"]');
elementsToObserve.forEach(element => {
intersection_observer.observe(element);
});
const observer = new MutationObserver((mutationsList, observer) => {
//if ([MouseEvent, TransitionEvent].includes((event || {}).constructor)) return; // Should these events be skipped?
mutationsList = new MutationSet(...mutationsList)
let mutations = mutationsList.consolidate();
if (!mutations.size) return;
//for (let section of mutationsList.filter(mutation =>
// mutation.type == 'attributes' && ["xo-source", "xo-stylesheet"].includes(mutation.attributeName)
// || mutation.type === 'childList' && !mutation.addedNodes.length && !mutation.removedNodes.length && target.matches("[xo-source],[xo-stylesheet]")
// || mutation.type == 'attributes' && mutation.target.getAttributeNode("xo-stylesheet") && mutation.target.stylesheet.selectFirst(`//xsl:stylesheet/xsl:param/@name[.="${mutation.attributeName}"]`)
//).map(mutation => mutation.target.closest(`[xo-source],[xo-stylesheet]`)).distinct()) {
// section.render()
//}
////let listeners = [...xover.listener].filter(([event, map]) => ['mutation', 'change', 'remove', 'input', 'append', 'appendTo', 'reallocate'].includes(event));
////mutationsList.filter(mutation => {
//// let target = mutation.target;
//// let attr = mutation.type == 'attributes' ? target.getAttributeNodeNS(mutation.attributeNamespace, mutation.attributeName) : undefined;
//// listeners.map(([event, [[, [[key, fn]]]]]) => key).some(key => attr ? (attr).matches(key) : target.matches(key))
////})
////if (window.document.designMode !== 'on') return;
//observer.disconnect();
let active_element = event && event.srcElement instanceof Element && event.srcElement || window.document.activeElement;
let mutation_event = new xover.listener.Event('mutate', { document: target_node, srcElement: active_element, mutations }, target_node);
window.top.dispatchEvent(mutation_event);
mutations = (mutation_event.detail || {}).hasOwnProperty("returnValue") ? new Map(mutation_event.detail.returnValue) : mutations;
for (let [target, mutation] of mutations) {
for (let [attr, oldValue] of Object.values((mutation.attributes || {})[""] || {})) {
window.top.dispatchEvent(new xover.listener.Event('change', { target, value: attr.value, old: oldValue, parentNode: (attr.parentNode || target) }, attr));
}
if (mutation.removedNodes.length && mutation.addedNodes.length) {
let replace_event = new xover.listener.Event('replaceChildren', { addedNodes: mutation.addedNodes, removedNodes: mutation.removedNodes }, target);
window.top.dispatchEvent(replace_event);
}
if (xo.listener.has('reallocate')) {
for (let node of [...mutation.reallocatedNodes].filter(node => node instanceof Element && ![HTMLStyleElement, HTMLScriptElement].includes(node.constructor))) {/*nodes that were actually reallocated*/
let remove_event = new xover.listener.Event('reallocate', { nextSibling: node.formerNextSibling, previousSibling: node.formerPreviousSibling, parentNode: target }, node);
window.top.dispatchEvent(remove_event);
if (remove_event.defaultPrevented) target.insertBefore(node, node.formerNextSibling);
}
}
if (xo.listener.has('remove')) {
for (let node of mutation.removedNodes) {
if (target.contains(node)
|| node instanceof Element && [HTMLStyleElement, HTMLScriptElement].includes(node.constructor)
) {
continue
};
node.formerParentNode = target;
let remove_event = new xover.listener.Event('remove', { nextSibling: mutation.nextSibling, previousSibling: mutation.previousSibling, parentNode: target }, node);
window.top.dispatchEvent(remove_event);
if (target.contains(node)) continue;
if (remove_event.defaultPrevented) target.insertBefore(node, node.formerNextSibling);
}
}
if (xo.listener.has('append')) {
for (let node of mutation.addedNodes) {
if (!target.contains(node)
|| node instanceof Element && [HTMLStyleElement, HTMLScriptElement].includes(node.constructor)) {
//mutation.addedNodes.delete(node);
continue;
}
let append_event = new xover.listener.Event('append', { target }, node);
window.top.dispatchEvent(append_event);
if (!target.contains(node)) continue;
const elementsToObserve = typeof (node.querySelectorAll) == 'function' && node.querySelectorAll('[xo-suspense*="Intersect"]') || [];
elementsToObserve.forEach(element => {
intersection_observer.observe(element);
});
//dependants = [...node.querySelectorAll('[xo-source],[xo-stylesheet]')];
//if (target.hasAttribute("xo-source") && node.hasAttribute("xo-source")) dependants = dependants.concat([node]);
//&& `[${target.getAttribute("xo-source") || ''}].[${target.getAttribute("xo-stylesheet") || ''}]` != `[${node.getAttribute("xo-source") || ''}].[${node.getAttribute("xo-stylesheet") || ''}]` && /*!node.context && */node.matches('[xo-source],[xo-stylesheet]')) dependants = dependants.concat([node]);
//dependants.forEach(el => el.render());
}
}
}
// TODO: React to attribute change for stylesheets that have attributes bound to a param
//for (let section of [...mutations].filter(([node, mutations]) =>
// !mutations.addedNodes.length && !mutations.removedNodes.length && !(mutations.attributes || {})[""] && node.matches("[xo-source],[xo-stylesheet]")
// || mutations.attributes && ["xo-source", "xo-stylesheet"].some(attribute => ((mutations.attributes || {})[""] || {}).hasOwnProperty(attribute))
// || node.stylesheet instanceof Document && node.stylesheet.select(`//xsl:stylesheet/xsl:param/@name`).some(attribute => ((mutations.attributes || {})[""] || {}).hasOwnProperty(attribute))
//).map(([node]) => node.closest(`[xo-source],[xo-stylesheet]`)).distinct()) {
// section && section.render()
//}
////observer.observe(target_node, config);
return;
for (const mutation of mutationsList) {
if (mutation.type == 'childList' && mutation.addedNodes.length && [...mutation.addedNodes].every((node, ix) => node.isEqualNode(mutation.removedNodes[ix]))) continue;
//if (mutation.type == 'attributes' && mutation.target.getAttribute(mutation.attributeName) == mutation.oldValue) continue;
let target = mutation.target;
//for (let el of [...target.parentNode.querySelectorAll("[checked]:not(:checked)")]) { el.checked = true };
let attr;
if (mutation.attributeName && mutation.type == 'attributes') {
attr = target.getAttributeNodeNS(mutation.attributeNamespace, mutation.attributeName);
}
if (attr && ['xo-working'].includes(attr.nodeName)) {
continue;
}
for (let node of [...mutation.addedNodes].concat(target)) {
if (node.closest("[xo-id]")) {
let observer_node = node.selectFirst(`ancestor-or-self::*[@xo-id][last()]`);
let observer_config = { characterData: true, attributes: true, childList: true, subtree: true }
observer_node.observer = observer_node.observer || new MutationObserver((mutationsList) => {
for (const mutation of mutationsList) {
let target = mutation.target;
let target_element = mutation.target.closest('*');
//await xover.delay(100); /*Added to wait for all changes to apply*/
let xo_id = target_element.getAttribute("xo-id");
if (xo_id) {
for (let synced_node of [...window.document.querySelectorAll(`[xo-id="${xo_id}"]`)].filter(el => el !== target_element && !el.isEqualNode(target_element))) {
target_element.observer && target_element.observer.disconnect();
xover.xml.combine(synced_node, target_element.cloneNode(true))
target_element.observer && target_element.observer.observe(target_element, observer_config);
}
}
}
});
observer_node.observer.observe(observer_node, observer_config);
}
}
if (![...xover.listener].filter(([event, map]) => ['mutate', 'change', 'remove', 'input', 'append', 'appendTo', 'removeFrom', 'reallocate'].includes(event)).reduce((array, [event, map]) => { array.push(...Array.from(map, ([key, [[predicate, fn]]]) => [event, predicate])); return array }, []).some(([event, key]) => event == 'change' && attr && (attr).matches(key) || event == 'append' && [...mutation.addedNodes].some(node => node.matches(key)) || event == 'remove' && [...mutation.removedNodes].some(node => node.matches(key)) || event == 'appendTo' && target.matches(key) || event == 'appendFrom' && target.matches(key))) continue; /*test if there is any listener that would be triggered*/
attr && window.top.dispatchEvent(new xover.listener.Event('change', { target, value: attr.value, old: mutation.oldValue }, attr));
window.top.dispatchEvent(new xover.listener.Event('mutate', { target }, target));
if (mutation.addedNodes.length) {
window.top.dispatchEvent(new xover.listener.Event('appendTo', { addedNodes: mutation.addedNodes }, target));
}
for (let node of [...mutation.removedNodes].filter(node => node instanceof Element && ![HTMLStyleElement, HTMLScriptElement].includes(node.constructor))) {/*nodes that were actually reallocated*/
if (target.contains(node)) {
window.top.dispatchEvent(new xover.listener.Event('reallocate', { nextSibling: mutation.nextSibling, previousSibling: mutation.previousSibling, parentNode: target }, node));
} else {
observer.disconnect();
node.formerParentNode = target;
let remove_event = new xover.listener.Event('remove', { nextSibling: mutation.nextSibling, previousSibling: mutation.previousSibling, parentNode: target }, node);
window.top.dispatchEvent(remove_event);
if (remove_event.defaultPrevented) target.insertBefore(node, mutation.nextSibling);
observer.observe(target_node, config);
}
}
for (let node of [...mutation.addedNodes].filter(node => node instanceof Element && ![HTMLStyleElement, HTMLScriptElement].includes(node.constructor))) {
window.top.dispatchEvent(new xover.listener.Event('append', { target }, node));
const elementsToObserve = node.querySelectorAll('[xo-suspense*="Intersect"]');
elementsToObserve.forEach(element => {
intersection_observer.observe(element);
});
//dependants = [...node.querySelectorAll('[xo-source],[xo-stylesheet]')];
//if (!node.context && node.matches('[xo-source],[xo-stylesheet]')) dependants = dependants.concat([node]);
//dependants.forEach(el => el.render());
}
}
});
observer.observe(target_node, config);
}
xover.initializeDOM = function () {
for (let iframe of [...document.querySelectorAll("iframe:not([src])")]) {
let el = iframe.firstChild;
if (!(el instanceof Text)) continue;
let url = xover.dom.getGeneratedPageURL({
html: el.textContent
});
iframe.src = url;
el.remove();
//TODO: Implementar como método para obtener contenido del archivo
//file = await fetch(url).then(r => r.blob()).then(blobFile => new File([blobFile], "fileNameGoesHere", { type: blobFile.type }))
//await file.text()
//var reader = new FileReader();
//reader.readAsText(file, "UTF-8");
//reader.onload = function (evt) {
// console.log(evt.target.result);
//}
}
xover.subscribeReferencers()
}
xover.initializeElementListeners = function (document = window.document) {
const event_handler = function (event, el) {
window.top.dispatchEvent(new xover.listener.Event(event.type, { event: event }, el));
};
const observer = new MutationObserver((mutationsList, observer) => {
if (event && event.type == 'input') return;
for (const mutation of mutationsList) {
if (mutation.type === 'characterData') {
// Handle text node changes here
const changedTextNode = mutation.target;
let scope = changedTextNode.scope;
if (!scope) continue;
scope.set(changedTextNode.nodeValue);
}
}
});
document.querySelectorAll('img').forEach(el => el.addEventListener('error', function () {
if (event && (event.srcEvent || event).type == 'error') {
window.top.dispatchEvent(new xover.listener.Event('error', { event: event }));
}
}));
document.querySelectorAll('input,textarea').forEach(el => {
for (let event_name of ['focus', 'focusin', 'blur']) {
if (xover.listener.get(event_name)) {
el.removeEventListener(event_name, event_handler)
el.addEventListener(event_name, (event) => event_handler(event, el))
}
}
});
document.querySelectorAll('textarea').forEach(el => el.addEventListener('mouseup', function () {
let el = event.srcElement;
let scope = el.scope;
if (scope instanceof Attr) {
scope.parentNode.set(`height:${scope.localName}`, el.offsetHeight, { silent: true });
scope.parentNode.set(`width:${scope.localName}`, el.offsetWidth, { silent: true });
} else if (scope instanceof Element) {
scope.set('state:height', el.offsetHeight, { silent: true });
scope.set('state:width', el.offsetWidth, { silent: true });
}
}));
document.querySelectorAll('[xo-slot="text()"]').forEach(el => observer.observe(el, { characterData: true, subtree: true }));
document.querySelectorAll('[xo-slot="text()"]').forEach(el => el.addEventListener('blur', function () {
let target = event.target;
let new_text = target.textContent;
let scope = target.scope;
if (scope) scope.set(new_text);
}))
}
class Structure {
constructor(map = new Map(), properties = {}) {
Object.defineProperties(map, properties);
return new Proxy(map, {
get: function (self, key) {
if (typeof self[key] === 'function') {
if (self.hasOwnProperty(key)) return self[key];
let fn = self[key].bind(self);
return key !== 'get' ? fn : function (...args) {
let result = fn.apply(self, args);
if (!result) {
self.set.bind(self)(args[0], new xover.Source(args[0]).document);
result = fn.apply(self, args);
}
return result
}
}
if (!(key in self)) {
self[key] = new Structure(map instanceof Map ? new Map() : {}, properties);
}
return self[key];
},
set: function (self, key, value) {
self[key] = value;
return true;
}
});
}
}
xover.subscribers = new Structure(new Map(), {
evaluate: {
value: function (scope) {
evaluate = function (values) {
for (let value of values) {
try {
let val = eval(`(${value})`);
if (val != undefined) {
return val;
}
} catch (e) {
if (e instanceof ReferenceError) {
return String(value)
} else {
console.error(e)
}
}
}
}
for (let [subscriber, formula] of this) {
if (subscriber instanceof Attr && !subscriber.ownerElement) {
this.delete(subscriber)
continue;
}
if (!subscriber.hasOwnProperty("formula")) {
Object.defineProperty(subscriber, 'formula', {
value: formula
})
}
if (subscriber.hasOwnProperty("evaluate")) {
subscriber.evaluate()
} else {
let new_value = formula.replace(/\{\$([^\}]*)\}/g, (match, prefixed_name) => {
let [variable, ...else_value] = prefixed_name.split(/\s*\|\|\s*/g);
let [name, prefix] = variable.split(/:/).reverse();
else_value = else_value.concat(match);
if (!prefix) {
if (scope instanceof Node) {
return name && scope.get(name) || evaluate(else_value)
}
} else {
return xover[prefix][name] || evaluate(else_value)
}
});
if (subscriber.name == 'style') {
if (subscriber.ownerElement) subscriber.ownerElement.style.cssText = new_value;
} else {
subscriber.set(new_value);
}
}
}
}
}
});
xover.subscribeReferencers = async function (context = window.document) {
await xover.ready;
let references = new Map();
context.select(`.//@*[contains(.,'{$')]|.//html:slot[not(parent::html:code)]/text()[contains(.,'{$')]|.//html:slot[not(parent::html:code)]/text()[starts-with(.,'$\{')]`).forEach(attr => references.set(attr, attr.value));
for (let [ref, formula] of references.entries()) {
if (formula.match(/^\$\{/)) {
formula = formula.slice(2, -1);
try {
ref.textContent = eval(formula)
} catch (e) {
typeof (e.render) == 'function' ? e.render() : String(e).alert()
}
continue;
}
for (let match of formula.match(/\{\$([^\}]*)\}/g) || []) {
match = match.slice(2, -1);
let [value, else_value] = match.split(/\s*\|\|\s*/);
let source = ref.source;
source && source.document && await source.document.ready
let [variable, scope = ref.scope] = value.split(":").reverse();
let subscriber = xover.subscribers[scope || ''][variable];
subscriber.set(ref, formula);
subscriber.evaluate(scope, else_value)
}
}
context.select(`.//*[@xo-site]//@src|.//*[@xo-site]//@href`).map(src => src.set(xover.URL(src.value, src.closest("[xo-site]").getAttribute("xo-site"))))
}
xover.json = {};
xover.listener = new Map();
xover.listener.Event = function (event_name, params = {}, context = (event || {}).srcElement) {
if (!(this instanceof xover.listener.Event)) return new xover.listener.Event(event_name, params, context);
//let _event = new CustomEvent(event_name, { detail: params, cancelable: true });
let node;
let [scoped_event, predicate] = event_name.split(/::/);
let args = context instanceof ErrorEvent && { message: event.message, filename: event.filename, lineno: event.lineno, colno: event.colno } || context instanceof Event && {} || { detail: params, cancelable: true };
let _event = eval(`new ${(context instanceof ErrorEvent) && context.constructor.name || 'CustomEvent'}(${context instanceof Event && `'${context.constructor.name}'` || 'scoped_event'}, {cancelable: true, bubbles: true, ...args})`);
let _srcEvent = event;
Object.defineProperty(_event, 'srcEvent', {
get: function () {
return _srcEvent;
}
})
Object.defineProperty(_event, 'context', {
get: function () {
return context;
}
})
if (_event.detail) {
_event.detail["designMode"] = _event.detail.hasOwnProperty("designMode") ? _event.detail["designMode"] : document.designMode == 'on';
if (typeof (context) == 'function' || context instanceof Window) {
console.info(context)
}
if (context instanceof Attr) {
_event.detail["element"] = _event.detail["element"] || context.parentNode;
_event.detail["attribute"] = _event.detail["attribute"] || context;
_event.detail["value"] = _event.detail.hasOwnProperty("value") ? _event.detail["value"] : context.value;
_event.detail["store"] = _event.detail["store"] || context.ownerDocument.store;
_event.detail["source"] = _event.detail["source"] || context.ownerDocument.source;
node = context
} else if (context instanceof Element) {
_event.detail["element"] = _event.detail["element"] || context;
_event.detail["value"] = _event.detail.hasOwnProperty("value") ? _event.detail["value"] : context.textContent;
_event.detail["store"] = _event.detail["store"] || context.ownerDocument.store;
_event.detail["source"] = _event.detail["source"] || context.ownerDocument.source;
node = context
} else if (context instanceof Document) {
_event.detail["stylesheets"] = _event.detail.hasOwnProperty("stylesheets") ? _event.detail["stylesheets"] : context.stylesheets;
_event.detail["settings"] = _event.detail["settings"] || context.settings;
_event.detail["document"] = _event.detail["document"] || context;
_event.detail["element"] = _event.detail["element"] || context.firstElementChild;
_event.detail["store"] = _event.detail["store"] || context.store;
_event.detail["source"] = _event.detail["source"] || context.source;