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jshutils.js
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jshutils.js
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/*
* +-----------------------------+
* | Javascript HTML Utilities |
* +-----------------------------+
*
* By Théo Rozier (Mindstorm38) at :
* - https://theorozier.fr
* - https://github.com/mindstorm38/jshutils
* - https://github.com/mindstorm38
* - https://twitter.com/Mindstorm38
*
*/
// Polyfill for old browers
if ( !String.prototype.format ) {
String.prototype.format = function() {
var a = arguments;
return this.replace( /(?:\{?\{(\d)\}\}?)/g, function ( b, p1 ) {
p1 = parseInt( p1 );
if ( p1 === NaN ) return b;
return a.length > ( p1 - 1 ) ? a[ p1 ] : b;
} );
};
}
if( !Array.isArray ) {
Array.isArray = function( arg ) {
return Object.prototype.toString.call( arg ) === '[object Array]';
};
}
if ( !Array.prototype.forEach ) {
Array.prototype.forEach = function( callback ) {
var T, k;
if ( this == null ) {
throw new TypeError('this is null or not defined');
}
var O = Object( this );
var len = O.length >>> 0;
if ( typeof callback !== 'function' ) {
throw new TypeError(callback + ' is not a function');
}
if ( arguments.length > 1 ) {
T = arguments[1];
}
k = 0;
while (k < len) {
var kValue;
if (k in O) {
kValue = O[ k ];
callback.call( T, kValue, k, O );
}
k++;
}
};
}
const Utils = (function(){
const TOKAN_CHAR_LIST = "abcdefghijklmnopqrstuvwxyz1234567890".split("");
const EMAIL_RE = /^(([^<>()[\]\\.,;:\s@\"]+(\.[^<>()[\]\\.,;:\s@\"]+)*)|(\".+\"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/;
const DEFAULT_RANDOM_TOKEN_LEN = 32;
const DEFAULT_RANDOM_INT_MAX = 1000000;
function checkParamType( value, type, name ) {
if ( typeof name !== "string" )
name = "This parameter";
if ( typeof value !== type )
throw name + " must be " + type;
return value;
}
function checkNumberInteger( value, name ) {
if ( typeof name !== "string" )
name = "This number";
if ( !isInt( value ) )
throw name + " must be a valid integer";
return value;
}
function checkArrayType( value, name ) {
if ( typeof name !== "string" )
name = "This array";
if ( !Array.isArray( value ) )
throw name + " must be a valid array";
return value;
}
function isInt( n ) {
return Number(n) === n && n % 1 === 0;
}
function randomInt( max ) {
if ( typeof max !== "number" )
max = DEFAULT_RANDOM_INT_MAX;
return Math.floor( Math.random() * Math.floor( max ) );
}
function randomToken( length ) {
if ( typeof length !== "number" )
length = DEFAULT_RANDOM_TOKEN_LEN;
let token = "";
for ( let i = 0; i < length; i++ )
token += TOKAN_CHAR_LIST[ Math.floor( Math.random() * TOKAN_CHAR_LIST.length ) ];
return token;
}
function getLocation() {
return document.location.href;
}
function setLocation( url ) {
document.location.href = checkParamType( url, "string", "URL" );
}
function setVirtualLocation( url ) {
history.replaceState( {}, "", checkParamType( url, "string", "URL" ) );
}
function setLocationPost( url, params ) {
checkParamType( url, "string", "URL" );
checkParamType( params, "object", "Parameters" );
let html = "";
let value;
for ( let name in params ) {
value = params[ name ].split('"').join('\\"');
html += '<input type="hidden" name="' + name + '" value="' + value + '" />';
}
const form = document.createElement("form");
form.setAttribute( 'action', url );
form.setAttribute( 'method', post );
form.style["display"] = "none";
document.body.appendChild( form );
form.submit();
}
function reloadLocation() {
document.location.reload();
}
function validateEmail( email ) {
return EMAIL_RE.test( checkParamType( email, "string", "Email" ) );
}
function currentDate() {
return new Date();
}
function currentTimeMillis() {
return currentDate().getTime();
}
function currentTimeSeconds() {
return currentDate().getTime() / 1000;
}
function urlGetParam( url, param ) {
let results = new RegExp('[\?&]' + param + '=([^&#]*)').exec( url );
return results == null ? null : ( decodeURIComponent( results[1] ) || 0 );
}
function urlRemoveParam( url, param ) {
let urlparts = url.split("?");
if ( urlparts.length >= 2 ) {
let urlBase = urlparts.shift();
let queryString = urlparts.join("?");
let prefix = encodeURIComponent( param ) + "=";
let pars = queryString.split( /[&;]/g );
for ( let i = pars.length; i-- > 0; )
if ( pars[ i ].lastIndexOf( prefix, 0 ) !== -1 )
pars.splice( i, 1 );
url = pars.length == 0 ? urlBase : ( urlBase + '?' + pars.join('&') );
}
return url;
}
function urlSetParam( url, param, value ) {
let pattern = new RegExp( '(' + param + '=).*?(&|$)' );
let newUrl = url.replace( pattern, '$1' + value + '$2' );
let n = url.indexOf( param );
if ( n == -1 ) {
newUrl = newUrl + ( newUrl.indexOf('?') > 0 ? '&' : '?' ) + param + '=' + value;
}
return newUrl;
}
function each( array, callback ) {
checkParamType( array, "object", "Invalid array object, must be an object" );
checkParamType( array.length, "number", "Invalid array object, must implement a number length property" );
checkParamType( callback, "function", "Callback must be a valid function" );
for ( let i = 0; i < array.length; i++ ) {
callback( array[ i ], i );
}
}
function setCookie(name, value, expireSeconds, path) {
if ( typeof path !== "string" )
path = "/";
let d = new Date( expireSeconds * 1000 );
document.cookie = name + "=" + value + ";expires=" + d.toUTCString() + ";path=" + path;
}
function getCookie(name) {
name += "=";
let ca = document.cookie.split(";");
let c;
for ( let i = 0; i < ca.length; i++ ) {
c = ca[i];
while( c.charAt(0) == ' ' )
c = c.substring(1);
if ( c.indexOf( name ) == 0 )
return c.substring(name.length, c.length);
}
return null;
}
function createElement( tag, classList ) {
const doc = document.createElement( checkParamType( tag, "string", "Element tag type" ) );
if ( Array.isArray( classList ) ) {
Utils.each( classList, function( cl ) {
doc.classList.add( cl );
} );
} else if ( classList != null ) {
doc.classList.add( classList );
}
return doc;
}
function ready( cb ) {
document.addEventListener( "DOMContentLoaded", cb );
}
return {
checkParamType: checkParamType,
checkNumberInteger: checkNumberInteger,
checkArrayType: checkArrayType,
isInt: isInt,
randomInt: randomInt,
randomToken: randomToken,
getLocation: getLocation,
setLocation: setLocation,
setVirtualLocation: setVirtualLocation,
setLocationPost: setLocationPost,
reloadLocation: reloadLocation,
validateEmail: validateEmail,
currentDate: currentDate,
currentTimeMillis: currentTimeMillis,
currentTimeSeconds: currentTimeSeconds,
randomInt: randomInt,
urlGetParam: urlGetParam,
urlRemoveParam: urlRemoveParam,
urlSetParam: urlSetParam,
each: each,
setCookie: setCookie,
getCookie: getCookie,
createElement: createElement,
ready: ready
};
}());
const Keys = (function(){
const KEYS = {
"Enter": 13,
"Backspace": 18,
"Escape": 27,
"Shift": 16,
" ": 32,
"Control": 17,
"Tab": 9,
"CapsLock": 20,
"NumLock": 144,
"AltGraph": 18,
"Delete": 46,
"Insert": 45
};
function getKeyCode( keyName ) {
return KEYS[ keyName ];
}
function isEventKey( e, keyName, keyCode ) {
if ( e.key == keyName )
return true;
if ( keyCode == null )
keyCode = getKeyCode( keyName );
return ( e.keyCode == keyCode || e.which == keyCode );
}
return {
KEYS: KEYS,
getKeyCode: getKeyCode,
isEventKey: isEventKey
}
}());
const Query = (function(){
const JSON_RESP_TYPE = "json";
const TEXT_RESP_TYPE = "text";
const keys = {
ERROR_ATTR: "error",
DATA_ATTR: "data",
MESSAGE_ATTR: "message",
NONCE_PARAM: "$nonce$"
};
let path = "/query/{0}";
let nonce = null;
function newHttpRequest() {
if ( window.XMLHttpRequest ) {
return new XMLHttpRequest();
} else {
return new ActiveXObject("Microsoft.XMLHTTP");
}
}
function postRaw( url, params, opened, onerror, onload ) {
Utils.checkParamType( name, "string", "The url" );
let xhr = newHttpRequest();
xhr.onerror = function( e ) {
console.error("XHR Post error :");
console.error( error );
if ( typeof onerror === "function" )
onerror( xhr, e );
};
xhr.onload = function( e ) {
if ( typeof onload === "function" )
onload( xhr, xhr.status, e );
};
xhr.open( 'POST', url, true );
if ( typeof opened === "function" )
opened( xhr );
if ( typeof params === "object" ) {
const formdata = new FormData();
let val;
for ( let key in params ) {
val = params[ key ];
if ( typeof val === "boolean" )
val = val ? "1" : "0";
formdata.append( key, val );
}
xhr.send( formdata );
} else {
xhr.send();
}
}
function postJson( url, params, fn ) {
Utils.checkParamType( fn, "function", "The callback" );
postRaw( url, params, function( xhr ) {
if ( xhr.responseType != null )
xhr.responseType = JSON_RESP_TYPE;
xhr.setRequestHeader( "Accept", "application/json" );
}, function( xhr, e ) {
fn( "XHR_ERROR", {}, xhr.statusText );
}, function( xhr, status, e ) {
if ( status === 200 ) {
let data;
if ( xhr.responseType === JSON_RESP_TYPE && typeof xhr.response == "object" ) {
data = xhr.response;
} else {
try {
data = JSON.parse( xhr.response );
} catch ( e ) {
data = null;
}
}
if ( data == null ) {
fn( "XHR_INVALID_JSON", {}, "Invalid JSON data received." );
} else {
fn( data[ keys.ERROR_ATTR ], data[ keys.DATA_ATTR ], data[ keys.MESSAGE_ATTR ] );
}
} else {
fn( "XHR_NOT_OK_STATUS", {}, "Response status is not OK." );
}
} );
}
function postText( url, params, fn ) {
Utils.checkParamType( fn, "function", "The callback" );
postRaw( url, params, function( xhr ) {
if ( xhr.responseType != null )
xhr.responseType = TEXT_RESP_TYPE;
xhr.setRequestHeader( "Accept", "text/plain" );
}, function( xhr, e ) {
fn( null, xhr.statusText );
}, function( xhr, status, e ) {
fn( status === 200 ? xhr.response : null, xhr.statusText );
} );
}
function post( name, params, fn, useNonce ) {
if ( useNonce == null || useNonce === true ) {
if ( nonce == null )
console.warning("Using nonce for posting JSON request, but no nonce were given.");
params[ keys.NONCE_PARAM ] = nonce;
}
postJson( path.format( name ), params, fn );
}
function setPath( _path ) {
path = Utils.checkParamType( _path, "string", "Query path" );
}
function setNonce( _nonce ) {
nonce = Utils.checkParamType( _nonce, "string", "Query nonce" );
}
return {
newHttpRequest: newHttpRequest,
postRaw: postRaw,
postJson: postJson,
postText: postText,
keys: keys,
post: post,
setPath: setPath,
setNonce: setNonce
}
}());
const WebSocketHelper = (function(){
const DEFAULT_STATE_CHECK = 5000;
function AutoWebSocket(address, stateCheck) {
const self = this;
this.address = address;
this.ws = null;
this.ready = false;
this.pendingSends = [];
this.messageListeners = [];
this.readyListeners = [];
this.buildWebSocket();
if ( stateCheck !== false ) {
if ( typeof stateCheck !== "number" || stateCheck < 0 )
stateCheck = DEFAULT_STATE_CHECK;
setInterval( function() {
self.checkState();
}, stateCheck );
}
}
AutoWebSocket.prototype.buildWebSocket = function() {
this.ws = new WebSocket( this.address );
this.ready = false;
const self = this;
this.ws.onopen = function( e ) {
self.wsOnOpen( e );
};
this.ws.onerror = function( e ) {
self.wsOnError( e );
};
this.ws.onmessage = function( e ) {
self.wsOnMessage( e );
};
};
AutoWebSocket.prototype.wsOnOpen = function( e ) {
if ( this.ws != null ) {
console.log( "WebSocket connection established at '" + this.address + "'." );
this.ready = true;
const self = this;
Utils.each( this.pendingSends, function( data ) {
self._send( data );
} );
this.pendingSends = [];
Utils.each( this.readyListeners, function( listener ) {
listener( e );
} );
}
};
AutoWebSocket.prototype.wsOnError = function( e ) {
if ( this.ws != null ) {
this.close();
}
};
AutoWebSocket.prototype.wsOnMessage = function( e ) {
if ( this.ws != null ) {
data = JSON.parse( e.data );
if ( data == null ) {
return;
}
Utils.each( this.messageListeners, function( listener ) {
listener( data, e );
} );
}
};
AutoWebSocket.prototype.usable = function() {
return this.ws !== null && this.ws.readyState === WebSocket.OPEN;
}
AutoWebSocket.prototype.checkState = function() {
if ( this.ready && this.ws !== null ) {
if ( !this.usable() ) {
console.log("Connection lost.. Closing.");
this.close();
}
}
if ( this.ws == null ) {
this.buildWebSocket();
}
};
AutoWebSocket.prototype.close = function() {
if ( this.usable() )
this.ws.close();
this.ws = null;
this.ready = false;
};
AutoWebSocket.prototype.onMessage = function( listener ) {
this.messageListeners.push( listener );
};
AutoWebSocket.prototype.onReady = function( listener ) {
this.readyListeners.push( listener );
};
AutoWebSocket.prototype.send = function( data ) {
if ( !this.usable() ) {
this.pendingSends.push( data );
return;
}
this._send( data );
};
AutoWebSocket.prototype._send = function( data ) {
data = JSON.stringify( data );
this.ws.send( data );
};
return {
AutoWebSocket: AutoWebSocket
};
}());
const Lang = (function(){
let content = {};
function get( key, vars ) {
let raw = content[ key ];
if ( raw === undefined ) return key;
return raw.format.apply( raw, vars );
}
function setContent( newContent ) {
content = Utils.checkParamType( newContent, "object", "Language content" );
}
return {
get: get,
setContent: setContent
};
}());
const EventUtils = (function(){
function TimeoutSystem() {
this.timeouts = {};
this.delay = 300; // Default delay
}
TimeoutSystem.prototype.newTimeoutId = function() {
let id;
do {
id = Utils.randomInt();
} while ( id in this.timeouts );
return id;
};
TimeoutSystem.prototype.triggerEvent = function( id, event, self, args, delay ) {
if ( typeof delay !== 'number' )
delay = this.delay;
if ( this.timeouts[ id ] != null ) {
clearTimeout( this.timeouts[ id ] );
delete this.timeouts[ id ];
}
this.timeouts[ id ] = setTimeout( function() {
delete this.system.timeouts[ id ];
this.event.apply( this.self, this.args );
}.bind( {
system: this,
id: id,
event: event,
self: self,
args: args
} ), delay );
};
function newTimeoutSystem() {
return new TimeoutSystem();
}
const internal = newTimeoutSystem();
function timeoutEvent( event, delay, ret ) {
const id = internal.newTimeoutId();
return function() {
internal.triggerEvent( id, event, this, arguments, delay );
return ret;
};
}
return {
newTimeoutSystem: newTimeoutSystem,
timeoutEvent: timeoutEvent
};
}());
const Pagination = (function(){
const systems = {};
function PaginationSystem( id, container ) {
this.id = id;
this.container = container;
this.listeners = [];
this.buttons = {};
this.page = 0;
this.minPage = 0;
this.maxPage = 0;
}
PaginationSystem.prototype.addListener = function( callback ) {
Utils.checkParamType( callback, "function", "Pagination callback" );
this.listeners.push( callback );
};
PaginationSystem.prototype.triggerListeners = function( page ) {
if ( typeof page !== "number" )
page = this.page;
let valid = true;
Utils.each( this.listeners, function( listener ) {
if ( !listener( page ) )
valid = false;
} );
return valid;
};
PaginationSystem.prototype.updateRenderers = function() {
for ( let buttonId in this.buttons ) {
this.buttons[ buttonId ].updateRenderer();
}
};
PaginationSystem.prototype.setMinPage = function( minPage ) {
Utils.checkNumberInteger( minPage, "Minimum page" );
if ( minPage > this.maxPage )
throw "Minimum page can't be greater than current maximum page.";
this.minPage = minPage;
this.updateRenderers();
};
PaginationSystem.prototype.setMaxPage = function( maxPage ) {
Utils.checkNumberInteger( maxPage, "Maximum page" );
if ( maxPage < this.minPage )
throw "Maximum page can't be smaller than current minimum page.";
this.maxPage = maxPage;
this.updateRenderers();
};
PaginationSystem.prototype.setPage = function( page ) {
Utils.checkNumberInteger( page, "Page" );
if ( page < this.minPage ) {
page = this.minPage;
} else if ( page > this.maxPage ) {
page = this.maxPage;
}
this.page = page;
this.updateRenderers();
};
PaginationSystem.prototype.addButton = function( buttonId, action, renderer ) {
let elt = this.container.querySelector("[data-pagid='" + buttonId + "']");
if ( elt == null )
throw "Invalid pagination button identifier '" + buttonId + "' or not found in container.";
let button = new PaginationButton( this, elt );
button.setAction( action );
button.setRenderer( renderer );
this.buttons[ buttonId ] = button;
return button;
};
PaginationSystem.prototype.addFirstButton = function( buttonId ) {
return this.addButton( buttonId, function( sys ) { return 0 }, function( sys ) {
return {
disabled: ( sys.page === 0 ),
text: "1"
};
} );
};
PaginationSystem.prototype.addLastButton = function( buttonId ) {
return this.addButton( buttonId, function( sys ) { return sys.maxPage; }, function( sys ) {
return {
disabled: ( sys.page === sys.maxPage ),
text: ( sys.maxPage + 1 ).toString()
};
} );
};
PaginationSystem.prototype.addCurrentPageButton = function( buttonId ) {
return this.addButton( buttonId, null, function( sys ) {
return {
disabled: true,
text: ( sys.page + 1 ).toString()
};
} );
};
PaginationSystem.prototype.addPreviousButton = function( buttonId ) {
return this.addButton( buttonId, function( sys ) { return sys.page - 1; }, function( sys ) {
return {
disabled: ( sys.page === 0 )
};
} );
};
PaginationSystem.prototype.addNextButton = function( buttonId ) {
return this.addButton( buttonId, function( sys ) { return sys.page + 1; }, function( sys ) {
return {
disabled: ( sys.page === sys.maxPage )
};
} );
};
function PaginationButton( system, element ) {
this.system = system;
this.element = element;
this.action = null;
this.clickHandler = null;
this.renderer = null;
this.disabled = false;
}
PaginationButton.prototype.setAction = function( action ) {
if ( action != null ) {
Utils.checkParamType( action, "function", "Button action" )
if ( this.action == null ) {
this.clickHandler = buttonClickedHandler.bind( this );
this.element.addEventListener( "click", this.clickHandler );
}