| Current File : /home/inlingua/public_html/auradealshub.com/wp-content/plugins/pagelayer/js/pen.js |
/*! Licensed under MIT, https://github.com/sofish/pen */
(function(root, doc) {
var Pen, debugMode, selection, utils = {};
var toString = Object.prototype.toString;
var slice = Array.prototype.slice;
// allow command list
var commandsReg = {
block: /^(?:p|h[1-6]|blockquote|pre)$/,
inline: /^(?:bold|italic|underline|insertorderedlist|insertunorderedlist|indent|outdent)$/,
source: /^(?:createlink|unlink)$/,
insert: /^(?:inserthorizontalrule|insertimage|insert)$/,
wrap: /^(?:code)$/
};
var lineBreakReg = /^(?:blockquote|pre|div)$/i;
var effectNodeReg = /(?:[pubia]|h[1-6]|blockquote|[uo]l|li)/i;
var strReg = {
whiteSpace: /(^\s+)|(\s+$)/g,
mailTo: /^(?!mailto:|.+\/|.+#|.+\?)(.*@.*\..+)$/,
http: /^(?!\w+?:\/\/|mailto:|\/|\.\/|\?|#)(.*)$/
};
var autoLinkReg = {
url: /((https?|ftp):\/\/|www\.)[^\s<]{3,}/gi,
prefix: /^(?:https?|ftp):\/\//i,
notLink: /^(?:img|a|input|audio|video|source|code|pre|script|head|title|style)$/i,
maxLength: 100
};
// type detect
utils.is = function(obj, type) {
return toString.call(obj).slice(8, -1) === type;
};
utils.forEach = function(obj, iterator, arrayLike) {
if (!obj) return;
if (arrayLike == null) arrayLike = utils.is(obj, 'Array');
if (arrayLike) {
for (var i = 0, l = obj.length; i < l; i++) iterator(obj[i], i, obj);
} else {
for (var key in obj) {
if (obj.hasOwnProperty(key)) iterator(obj[key], key, obj);
}
}
};
// copy props from a obj
utils.copy = function(defaults, source) {
utils.forEach(source, function (value, key) {
defaults[key] = utils.is(value, 'Object') ? utils.copy({}, value) :
utils.is(value, 'Array') ? utils.copy([], value) : value;
});
return defaults;
};
// log
utils.log = function(message, force) {
if (debugMode || force)
console.log('%cPEN DEBUGGER: %c' + message, 'font-family:arial,sans-serif;color:#1abf89;line-height:2em;', 'font-family:cursor,monospace;color:#333;');
};
utils.delayExec = function (fn) {
var timer = null;
return function (delay) {
clearTimeout(timer);
timer = setTimeout(function() {
fn();
}, delay || 1);
};
};
// merge: make it easy to have a fallback
utils.merge = function(config) {
// default settings
var defaults = {
class: 'pen',
debug: false,
toolbar: null, // custom toolbar
stay: config.stay || !config.debug,
stayMsg: 'Are you going to leave here?',
textarea: '<textarea name="content"></textarea>',
list: [
'blockquote', 'h2', 'h3', 'p', 'code', 'insertorderedlist', 'insertunorderedlist', 'inserthorizontalrule',
'indent', 'outdent', 'bold', 'italic', 'underline', 'createlink', 'insertimage'
],
titles: {},
cleanAttrs: ['id', 'class', 'style', 'name'],
cleanTags: ['script'],
linksInNewWindow: false
};
// user-friendly config
if (config.nodeType === 1) {
defaults.editor = config;
} else if (config.match && config.match(/^#[\S]+$/)) {
defaults.editor = doc.getElementById(config.slice(1));
} else {
defaults = utils.copy(defaults, config);
}
return defaults;
};
function commandOverall(ctx, cmd, val) {
var message = ' to exec 「' + cmd + '」 command' + (val ? (' with value: ' + val) : '');
try {
doc.execCommand(cmd, false, val);
} catch(err) {
// TODO: there's an error when insert a image to document, but not a bug
return utils.log('fail' + message, true);
}
utils.log('success' + message);
}
function commandInsert(ctx, name, val) {
var node = getNode(ctx);
if (!node) return;
ctx._range.selectNode(node);
ctx._range.collapse(false);
// hide menu when a image was inserted
if(name === 'insertimage' && ctx._menu) toggleNode(ctx._menu, true);
return commandOverall(ctx, name, val);
}
function commandBlock(ctx, name) {
var list = effectNode(ctx, getNode(ctx), true);
if (list.indexOf(name) !== -1) name = 'p';
return commandOverall(ctx, 'formatblock', name);
}
function commandWrap(ctx, tag, value) {
value = '<' + tag + '>' + (value||selection.toString()) + '</' + tag + '>';
return commandOverall(ctx, 'insertHTML', value);
}
function commandLink(ctx, tag, value) {
if (ctx.config.linksInNewWindow) {
value = '< a href="' + value + '" target="_blank">' + (selection.toString()) + '</a>';
return commandOverall(ctx, 'insertHTML', value);
} else {
return commandOverall(ctx, tag, value);
}
}
function initToolbar(ctx) {
var icons = '', inputStr = '<input class="pen-input" placeholder="http://" />';
ctx._toolbar = ctx.config.toolbar;
if (!ctx._toolbar) {
var toolList = ctx.config.list;
utils.forEach(toolList, function (name) {
var klass = 'pen-icon icon-' + name;
var title = ctx.config.titles[name] || '';
icons += '<i class="' + klass + '" data-action="' + name + '" title="' + title + '"></i>';
}, true);
if (toolList.indexOf('createlink') >= 0 || toolList.indexOf('insertimage') >= 0)
icons += inputStr;
} else if (ctx._toolbar.querySelectorAll('[data-action=createlink]').length ||
ctx._toolbar.querySelectorAll('[data-action=insertimage]').length) {
icons += inputStr;
}
if (icons) {
ctx._menu = doc.createElement('div');
ctx._menu.setAttribute('class', ctx.config.class + '-menu pen-menu');
ctx._menu.innerHTML = icons;
ctx._inputBar = ctx._menu.querySelector('input');
toggleNode(ctx._menu, true);
doc.body.appendChild(ctx._menu);
}
if (ctx._toolbar && ctx._inputBar) toggleNode(ctx._inputBar);
}
function initEvents(ctx) {
var toolbar = ctx._toolbar || ctx._menu, editor = ctx.config.editor;
var toggleMenu = utils.delayExec(function() {
ctx.highlight().menu();
});
var outsideClick = function() {};
function updateStatus(delay) {
ctx._range = ctx.getRange();
toggleMenu(delay);
}
if (ctx._menu) {
var setpos = function() {
if (ctx._menu.style.display === 'block') ctx.menu();
};
// change menu offset when window resize / scroll
addListener(ctx, root, 'resize', setpos);
addListener(ctx, root, 'scroll', setpos);
// toggle toolbar on mouse select
var selecting = false;
addListener(ctx, editor, 'mousedown', function() {
selecting = true;
});
addListener(ctx, editor, 'mouseleave', function() {
if (selecting) updateStatus(800);
selecting = false;
});
addListener(ctx, editor, 'mouseup', function() {
if (selecting) updateStatus(100);
selecting = false;
});
// Hide menu when focusing outside of editor
outsideClick = function(e) {
if (ctx._menu && !containsNode(editor, e.target) && !containsNode(ctx._menu, e.target)) {
removeListener(ctx, doc, 'click', outsideClick);
toggleMenu(100);
}
};
} else {
addListener(ctx, editor, 'click', function() {
updateStatus(0);
});
}
addListener(ctx, editor, 'keyup', function(e) {
if (e.which === 8 && ctx.isEmpty()) return lineBreak(ctx, true);
// toggle toolbar on key select
if (e.which !== 13 || e.shiftKey) return updateStatus(400);
var node = getNode(ctx, true);
if (!node || !node.nextSibling || !lineBreakReg.test(node.nodeName)) return;
if (node.nodeName !== node.nextSibling.nodeName) return;
// hack for webkit, make 'enter' behavior like as firefox.
if (node.lastChild.nodeName !== 'BR') node.appendChild(doc.createElement('br'));
utils.forEach(node.nextSibling.childNodes, function(child) {
if (child) node.appendChild(child);
}, true);
node.parentNode.removeChild(node.nextSibling);
focusNode(ctx, node.lastChild, ctx.getRange());
});
// check line break
addListener(ctx, editor, 'keydown', function(e) {
editor.classList.remove('pen-placeholder');
if (e.which !== 13 || e.shiftKey) return;
var node = getNode(ctx, true);
if (!node || !lineBreakReg.test(node.nodeName)) return;
var lastChild = node.lastChild;
if (!lastChild || !lastChild.previousSibling) return;
if (lastChild.previousSibling.textContent || lastChild.textContent) return;
// quit block mode for 2 'enter'
e.preventDefault();
var p = doc.createElement('p');
p.innerHTML = '<br>';
node.removeChild(lastChild);
if (!node.nextSibling) node.parentNode.appendChild(p);
else node.parentNode.insertBefore(p, node.nextSibling);
focusNode(ctx, p, ctx.getRange());
});
var menuApply = function(action, value) {
ctx.execCommand(action, value);
ctx._range = ctx.getRange();
ctx.highlight().menu();
};
// toggle toolbar on key select
addListener(ctx, toolbar, 'click', function(e) {
var node = e.target, action;
while (node !== toolbar && !(action = node.getAttribute('data-action'))) {
node = node.parentNode;
}
if (!action) return;
if (!/(?:createlink)|(?:insertimage)/.test(action)) return menuApply(action);
if (!ctx._inputBar) return;
// create link
var input = ctx._inputBar;
if (toolbar === ctx._menu) toggleNode(input);
else {
ctx._inputActive = true;
ctx.menu();
}
if (ctx._menu.style.display === 'none') return;
setTimeout(function() { input.focus(); }, 400);
var createlink = function() {
var inputValue = input.value;
if (!inputValue) action = 'unlink';
else {
inputValue = input.value
.replace(strReg.whiteSpace, '')
.replace(strReg.mailTo, 'mailto:$1')
.replace(strReg.http, 'http://$1');
}
menuApply(action, inputValue);
if (toolbar === ctx._menu) toggleNode(input, false);
else toggleNode(ctx._menu, true);
};
input.onkeypress = function(e) {
if (e.which === 13) return createlink();
};
});
// listen for placeholder
addListener(ctx, editor, 'focus', function() {
if (ctx.isEmpty()) lineBreak(ctx, true);
addListener(ctx, doc, 'click', outsideClick);
});
addListener(ctx, editor, 'blur', function() {
checkPlaceholder(ctx);
ctx.checkContentChange();
});
// listen for paste and clear style
addListener(ctx, editor, 'paste', function() {
setTimeout(function() {
ctx.cleanContent();
});
});
}
function addListener(ctx, target, type, listener) {
if (ctx._events.hasOwnProperty(type)) {
ctx._events[type].push(listener);
} else {
ctx._eventTargets = ctx._eventTargets || [];
ctx._eventsCache = ctx._eventsCache || [];
var index = ctx._eventTargets.indexOf(target);
if (index < 0) index = ctx._eventTargets.push(target) - 1;
ctx._eventsCache[index] = ctx._eventsCache[index] || {};
ctx._eventsCache[index][type] = ctx._eventsCache[index][type] || [];
ctx._eventsCache[index][type].push(listener);
target.addEventListener(type, listener, false);
}
return ctx;
}
// trigger local events
function triggerListener(ctx, type) {
if (!ctx._events.hasOwnProperty(type)) return;
var args = slice.call(arguments, 2);
utils.forEach(ctx._events[type], function (listener) {
listener.apply(ctx, args);
});
}
function removeListener(ctx, target, type, listener) {
var events = ctx._events[type];
if (!events) {
var _index = ctx._eventTargets.indexOf(target);
if (_index >= 0) events = ctx._eventsCache[_index][type];
}
if (!events) return ctx;
var index = events.indexOf(listener);
if (index >= 0) events.splice(index, 1);
target.removeEventListener(type, listener, false);
return ctx;
}
function removeAllListeners(ctx) {
utils.forEach(this._events, function (events) {
events.length = 0;
}, false);
if (!ctx._eventsCache) return ctx;
utils.forEach(ctx._eventsCache, function (events, index) {
var target = ctx._eventTargets[index];
utils.forEach(events, function (listeners, type) {
utils.forEach(listeners, function (listener) {
target.removeEventListener(type, listener, false);
}, true);
}, false);
}, true);
ctx._eventTargets = [];
ctx._eventsCache = [];
return ctx;
}
function checkPlaceholder(ctx) {
ctx.config.editor.classList[ctx.isEmpty() ? 'add' : 'remove']('pen-placeholder');
}
function trim(str) {
return (str || '').replace(/^\s+|\s+$/g, '');
}
// node.contains is not implemented in IE10/IE11
function containsNode(parent, child) {
if (parent === child) return true;
child = child.parentNode;
while (child) {
if (child === parent) return true;
child = child.parentNode;
}
return false;
}
function getNode(ctx, byRoot) {
var node, root = ctx.config.editor;
ctx._range = ctx._range || ctx.getRange();
node = ctx._range.commonAncestorContainer;
if (!node || node === root) return null;
while (node && (node.nodeType !== 1) && (node.parentNode !== root)) node = node.parentNode;
while (node && byRoot && (node.parentNode !== root)) node = node.parentNode;
return containsNode(root, node) ? node : null;
}
// node effects
function effectNode(ctx, el, returnAsNodeName) {
var nodes = [];
el = el || ctx.config.editor;
while (el && el !== ctx.config.editor) {
if (el.nodeName.match(effectNodeReg)) {
nodes.push(returnAsNodeName ? el.nodeName.toLowerCase() : el);
}
el = el.parentNode;
}
return nodes;
}
// breakout from node
function lineBreak(ctx, empty) {
var range = ctx._range = ctx.getRange(), node = doc.createElement('p');
if (empty) ctx.config.editor.innerHTML = '';
node.innerHTML = '<br>';
range.insertNode(node);
focusNode(ctx, node.childNodes[0], range);
}
function focusNode(ctx, node, range) {
range.setStartAfter(node);
range.setEndBefore(node);
range.collapse(false);
ctx.setRange(range);
}
function autoLink(node) {
if (node.nodeType === 1) {
if (autoLinkReg.notLink.test(node.tagName)) return;
utils.forEach(node.childNodes, function (child) {
autoLink(child);
}, true);
} else if (node.nodeType === 3) {
var result = urlToLink(node.nodeValue || '');
if (!result.links) return;
var frag = doc.createDocumentFragment(),
div = doc.createElement('div');
div.innerHTML = result.text;
while (div.childNodes.length) frag.appendChild(div.childNodes[0]);
node.parentNode.replaceChild(frag, node);
}
}
function urlToLink(str) {
var count = 0;
str = str.replace(autoLinkReg.url, function(url) {
var realUrl = url, displayUrl = url;
count++;
if (url.length > autoLinkReg.maxLength) displayUrl = url.slice(0, autoLinkReg.maxLength) + '...';
// Add http prefix if necessary
if (!autoLinkReg.prefix.test(realUrl)) realUrl = 'http://' + realUrl;
return '<a href="' + realUrl + '">' + displayUrl + '</a>';
});
return {links: count, text: str};
}
function toggleNode(node, hide) {
node.style.display = hide ? 'none' : 'block';
}
Pen = function(config) {
if (!config) throw new Error('Can\'t find config');
debugMode = config.debug;
// merge user config
var defaults = utils.merge(config);
var editor = defaults.editor;
if (!editor || editor.nodeType !== 1) throw new Error('Can\'t find editor');
// set default class
editor.classList.add(defaults.class);
// set contenteditable
editor.setAttribute('contenteditable', 'true');
// assign config
this.config = defaults;
// set placeholder
if (defaults.placeholder) editor.setAttribute('data-placeholder', defaults.placeholder);
checkPlaceholder(this);
// save the selection obj
this.selection = selection;
// define local events
this._events = {change: []};
// enable toolbar
initToolbar(this);
// init events
initEvents(this);
// to check content change
this._prevContent = this.getContent();
// enable markdown covert
if (this.markdown) this.markdown.init(this);
// stay on the page
if (this.config.stay) this.stay(this.config);
if(this.config.input) {
this.addOnSubmitListener(this.config.input);
}
};
Pen.prototype.on = function(type, listener) {
addListener(this, this.config.editor, type, listener);
return this;
};
Pen.prototype.addOnSubmitListener = function(inputElement) {
var form = inputElement.form;
var me = this;
form.addEventListener("submit", function() {
inputElement.value = me.config.saveAsMarkdown ? me.toMd(me.config.editor.innerHTML) : me.config.editor.innerHTML;
});
};
Pen.prototype.isEmpty = function(node) {
node = node || this.config.editor;
return !(node.querySelector('img')) && !(node.querySelector('blockquote')) &&
!(node.querySelector('li')) && !trim(node.textContent);
};
Pen.prototype.getContent = function() {
return this.isEmpty() ? '' : trim(this.config.editor.innerHTML);
};
Pen.prototype.setContent = function(html) {
this.config.editor.innerHTML = html;
this.cleanContent();
return this;
};
Pen.prototype.checkContentChange = function () {
var prevContent = this._prevContent, currentContent = this.getContent();
if (prevContent === currentContent) return;
this._prevContent = currentContent;
triggerListener(this, 'change', currentContent, prevContent);
};
Pen.prototype.getRange = function() {
var editor = this.config.editor, range = selection.rangeCount && selection.getRangeAt(0);
if (!range) range = doc.createRange();
if (!containsNode(editor, range.commonAncestorContainer)) {
range.selectNodeContents(editor);
range.collapse(false);
}
return range;
};
Pen.prototype.setRange = function(range) {
range = range || this._range;
if (!range) {
range = this.getRange();
range.collapse(false); // set to end
}
try {
selection.removeAllRanges();
selection.addRange(range);
} catch (e) {/* IE throws error sometimes*/}
return this;
};
Pen.prototype.focus = function(focusStart) {
if (!focusStart) this.setRange();
this.config.editor.focus();
return this;
};
Pen.prototype.execCommand = function(name, value) {
name = name.toLowerCase();
this.setRange();
if (commandsReg.block.test(name)) {
commandBlock(this, name);
} else if (commandsReg.inline.test(name)) {
commandOverall(this, name, value);
} else if (commandsReg.source.test(name)) {
commandLink(this, name, value);
} else if (commandsReg.insert.test(name)) {
commandInsert(this, name, value);
} else if (commandsReg.wrap.test(name)) {
commandWrap(this, name, value);
} else {
utils.log('can not find command function for name: ' + name + (value ? (', value: ' + value) : ''), true);
}
if (name === 'indent') this.checkContentChange();
else this.cleanContent({cleanAttrs: ['style']});
};
// remove attrs and tags
// pen.cleanContent({cleanAttrs: ['style'], cleanTags: ['id']})
Pen.prototype.cleanContent = function(options) {
var editor = this.config.editor;
if (!options) options = this.config;
utils.forEach(options.cleanAttrs, function (attr) {
utils.forEach(editor.querySelectorAll('[' + attr + ']'), function(item) {
item.removeAttribute(attr);
}, true);
}, true);
utils.forEach(options.cleanTags, function (tag) {
utils.forEach(editor.querySelectorAll(tag), function(item) {
item.parentNode.removeChild(item);
}, true);
}, true);
checkPlaceholder(this);
this.checkContentChange();
return this;
};
// auto link content, return content
Pen.prototype.autoLink = function() {
autoLink(this.config.editor);
return this.getContent();
};
// highlight menu
Pen.prototype.highlight = function() {
var toolbar = this._toolbar || this._menu
, node = getNode(this);
// remove all highlights
utils.forEach(toolbar.querySelectorAll('.active'), function(el) {
el.classList.remove('active');
}, true);
if (!node) return this;
var effects = effectNode(this, node)
, inputBar = this._inputBar
, highlight;
if (inputBar && toolbar === this._menu) {
// display link input if createlink enabled
inputBar.style.display = 'none';
// reset link input value
inputBar.value = '';
}
highlight = function(str) {
if (!str) return;
var el = toolbar.querySelector('[data-action=' + str + ']');
return el && el.classList.add('active');
};
utils.forEach(effects, function(item) {
var tag = item.nodeName.toLowerCase();
switch(tag) {
case 'a':
if (inputBar) inputBar.value = item.getAttribute('href');
tag = 'createlink';
break;
case 'img':
if (inputBar) inputBar.value = item.getAttribute('src');
tag = 'insertimage';
break;
case 'i':
tag = 'italic';
break;
case 'u':
tag = 'underline';
break;
case 'b':
tag = 'bold';
break;
case 'pre':
case 'code':
tag = 'code';
break;
case 'ul':
tag = 'insertunorderedlist';
break;
case 'ol':
tag = 'insertorderedlist';
break;
case 'li':
tag = 'indent';
break;
}
highlight(tag);
}, true);
return this;
};
// show menu
Pen.prototype.menu = function() {
var allMenus = document.getElementsByClassName('pen-menu');
// Hide all menus
for(var x in allMenus){
try{
if('style' in allMenus[x]){
allMenus[x].style.display = 'none';
}
}catch(e){}
}
if (!this._menu) return this;
if (selection.isCollapsed) {
this._menu.style.display = 'none'; //hide menu
this._inputActive = false;
return this;
}
if (this._toolbar) {
if (!this._inputBar || !this._inputActive) return this;
}
var offset = this._range.getBoundingClientRect()
, menuPadding = 10
, top = offset.top - menuPadding
, left = offset.left + (offset.width / 2)
, menu = this._menu
, menuOffset = {x: 0, y: 0}
, stylesheet = this._stylesheet;
// fixes some browser double click visual discontinuity
// if the offset has no width or height it should not be used
if (offset.width === 0 && offset.height === 0) return this;
// store the stylesheet used for positioning the menu horizontally
if (this._stylesheet === undefined) {
var style = document.createElement("style");
document.head.appendChild(style);
this._stylesheet = stylesheet = style.sheet;
}
// display block to caculate its width & height
menu.style.display = 'block';
menuOffset.x = left - (menu.clientWidth / 2);
menuOffset.y = top - menu.clientHeight;
// check to see if menu has over-extended its bounding box. if it has,
// 1) apply a new class if overflowed on top;
// 2) apply a new rule if overflowed on the left
if (stylesheet.cssRules.length > 0) {
stylesheet.deleteRule(0);
}
if (menuOffset.x < 0) {
menuOffset.x = 0;
stylesheet.insertRule('.pen-menu:after {left: ' + left + 'px;}', 0);
} else {
stylesheet.insertRule('.pen-menu:after {left: 50%; }', 0);
}
if (menuOffset.y < 0) {
menu.classList.add('pen-menu-below');
menuOffset.y = offset.top + offset.height + menuPadding;
} else {
menu.classList.remove('pen-menu-below');
}
menu.style.top = menuOffset.y + 'px';
menu.style.left = menuOffset.x + 'px';
return this;
};
Pen.prototype.stay = function(config) {
var ctx = this;
if (!window.onbeforeunload) {
window.onbeforeunload = function() {
if (!ctx._isDestroyed) return config.stayMsg;
};
}
};
Pen.prototype.destroy = function(isAJoke) {
var destroy = isAJoke ? false : true
, attr = isAJoke ? 'setAttribute' : 'removeAttribute';
if (!isAJoke) {
removeAllListeners(this);
try {
selection.removeAllRanges();
if (this._menu) this._menu.parentNode.removeChild(this._menu);
} catch (e) {/* IE throws error sometimes*/}
} else {
initToolbar(this);
initEvents(this);
}
this._isDestroyed = destroy;
this.config.editor[attr]('contenteditable', '');
return this;
};
Pen.prototype.rebuild = function() {
return this.destroy('it\'s a joke');
};
// a fallback for old browers
root.Pen = function(config) {
if (!config) return utils.log('can\'t find config', true);
var defaults = utils.merge(config)
, klass = defaults.editor.getAttribute('class');
klass = klass ? klass.replace(/\bpen\b/g, '') + ' pen-textarea ' + defaults.class : 'pen pen-textarea';
defaults.editor.setAttribute('class', klass);
defaults.editor.innerHTML = defaults.textarea;
return defaults.editor;
};
// export content as markdown
var regs = {
a: [/<a\b[^>]*href=["']([^"]+|[^']+)\b[^>]*>(.*?)<\/a>/ig, '[$2]($1)'],
img: [/<img\b[^>]*src=["']([^\"+|[^']+)[^>]*>/ig, ''],
b: [/<b\b[^>]*>(.*?)<\/b>/ig, '**$1**'],
i: [/<i\b[^>]*>(.*?)<\/i>/ig, '***$1***'],
h: [/<h([1-6])\b[^>]*>(.*?)<\/h\1>/ig, function(a, b, c) {
return '\n' + ('######'.slice(0, b)) + ' ' + c + '\n';
}],
li: [/<(li)\b[^>]*>(.*?)<\/\1>/ig, '* $2\n'],
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