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| (function(global){global.wrappers['/Users/lqez/Dev/summernote/src/js/base/core/range.js']=[function(require,module,exports,__dirname,__filename){ "use strict";
exports.__esModule = true;
var jquery_1 = require("jquery");
var env_1 = require("./env");
var func_1 = require("./func");
var lists_1 = require("./lists");
var dom_1 = require("./dom");
/**
* return boundaryPoint from TextRange, inspired by Andy Na's HuskyRange.js
*
* @param {TextRange} textRange
* @param {Boolean} isStart
* @return {BoundaryPoint}
*
* @see http://msdn.microsoft.com/en-us/library/ie/ms535872(v=vs.85).aspx
*/
function textRangeToPoint(textRange, isStart) {
var container = textRange.parentElement();
var offset;
var tester = document.body.createTextRange();
var prevContainer;
var childNodes = lists_1["default"].from(container.childNodes);
for (offset = 0; offset < childNodes.length; offset++) {
if (dom_1["default"].isText(childNodes[offset])) {
continue;
}
tester.moveToElementText(childNodes[offset]);
if (tester.compareEndPoints('StartToStart', textRange) >= 0) {
break;
}
prevContainer = childNodes[offset];
}
if (offset !== 0 && dom_1["default"].isText(childNodes[offset - 1])) {
var textRangeStart = document.body.createTextRange();
var curTextNode = null;
textRangeStart.moveToElementText(prevContainer || container);
textRangeStart.collapse(!prevContainer);
curTextNode = prevContainer ? prevContainer.nextSibling : container.firstChild;
var pointTester = textRange.duplicate();
pointTester.setEndPoint('StartToStart', textRangeStart);
var textCount = pointTester.text.replace(/[\r\n]/g, '').length;
while (textCount > curTextNode.nodeValue.length && curTextNode.nextSibling) {
textCount -= curTextNode.nodeValue.length;
curTextNode = curTextNode.nextSibling;
}
// [workaround] enforce IE to re-reference curTextNode, hack
var dummy = curTextNode.nodeValue; // eslint-disable-line
if (isStart && curTextNode.nextSibling && dom_1["default"].isText(curTextNode.nextSibling) &&
textCount === curTextNode.nodeValue.length) {
textCount -= curTextNode.nodeValue.length;
curTextNode = curTextNode.nextSibling;
}
container = curTextNode;
offset = textCount;
}
return {
cont: container,
offset: offset
};
}
/**
* return TextRange from boundary point (inspired by google closure-library)
* @param {BoundaryPoint} point
* @return {TextRange}
*/
function pointToTextRange(point) {
var textRangeInfo = function (container, offset) {
var node, isCollapseToStart;
if (dom_1["default"].isText(container)) {
var prevTextNodes = dom_1["default"].listPrev(container, func_1["default"].not(dom_1["default"].isText));
var prevContainer = lists_1["default"].last(prevTextNodes).previousSibling;
node = prevContainer || container.parentNode;
offset += lists_1["default"].sum(lists_1["default"].tail(prevTextNodes), dom_1["default"].nodeLength);
isCollapseToStart = !prevContainer;
}
else {
node = container.childNodes[offset] || container;
if (dom_1["default"].isText(node)) {
return textRangeInfo(node, 0);
}
offset = 0;
isCollapseToStart = false;
}
return {
node: node,
collapseToStart: isCollapseToStart,
offset: offset
};
};
var textRange = document.body.createTextRange();
var info = textRangeInfo(point.node, point.offset);
textRange.moveToElementText(info.node);
textRange.collapse(info.collapseToStart);
textRange.moveStart('character', info.offset);
return textRange;
}
/**
* Wrapped Range
*
* @constructor
* @param {Node} sc - start container
* @param {Number} so - start offset
* @param {Node} ec - end container
* @param {Number} eo - end offset
*/
var WrappedRange = /** @class */ (function () {
function WrappedRange(sc, so, ec, eo) {
this.sc = sc;
this.so = so;
this.ec = ec;
this.eo = eo;
// isOnEditable: judge whether range is on editable or not
this.isOnEditable = this.makeIsOn(dom_1["default"].isEditable);
// isOnList: judge whether range is on list node or not
this.isOnList = this.makeIsOn(dom_1["default"].isList);
// isOnAnchor: judge whether range is on anchor node or not
this.isOnAnchor = this.makeIsOn(dom_1["default"].isAnchor);
// isOnCell: judge whether range is on cell node or not
this.isOnCell = this.makeIsOn(dom_1["default"].isCell);
// isOnData: judge whether range is on data node or not
this.isOnData = this.makeIsOn(dom_1["default"].isData);
}
// nativeRange: get nativeRange from sc, so, ec, eo
WrappedRange.prototype.nativeRange = function () {
Eif (env_1["default"].isW3CRangeSupport) {
var w3cRange = document.createRange();
w3cRange.setStart(this.sc, this.sc.data && this.so > this.sc.data.length ? 0 : this.so);
w3cRange.setEnd(this.ec, this.sc.data ? Math.min(this.eo, this.sc.data.length) : this.eo);
return w3cRange;
}
else {
var textRange = pointToTextRange({
node: this.sc,
offset: this.so
});
textRange.setEndPoint('EndToEnd', pointToTextRange({
node: this.ec,
offset: this.eo
}));
return textRange;
}
};
WrappedRange.prototype.getPoints = function () {
return {
sc: this.sc,
so: this.so,
ec: this.ec,
eo: this.eo
};
};
WrappedRange.prototype.getStartPoint = function () {
return {
node: this.sc,
offset: this.so
};
};
WrappedRange.prototype.getEndPoint = function () {
return {
node: this.ec,
offset: this.eo
};
};
/**
* select update visible range
*/
WrappedRange.prototype.select = function () {
var nativeRng = this.nativeRange();
Eif (env_1["default"].isW3CRangeSupport) {
var selection = document.getSelection();
if (selection.rangeCount > 0) {
selection.removeAllRanges();
}
selection.addRange(nativeRng);
}
else {
nativeRng.select();
}
return this;
};
/**
* Moves the scrollbar to start container(sc) of current range
*
* @return {WrappedRange}
*/
WrappedRange.prototype.scrollIntoView = function (container) {
var height = jquery_1["default"](container).height();
Iif (container.scrollTop + height < this.sc.offsetTop) {
container.scrollTop += Math.abs(container.scrollTop + height - this.sc.offsetTop);
}
return this;
};
/**
* @return {WrappedRange}
*/
WrappedRange.prototype.normalize = function () {
/**
* @param {BoundaryPoint} point
* @param {Boolean} isLeftToRight - true: prefer to choose right node
* - false: prefer to choose left node
* @return {BoundaryPoint}
*/
var getVisiblePoint = function (point, isLeftToRight) {
// Just use the given point [XXX:Adhoc]
// - case 01. if the point is on the middle of the node
// - case 02. if the point is on the right edge and prefer to choose left node
// - case 03. if the point is on the left edge and prefer to choose right node
// - case 04. if the point is on the right edge and prefer to choose right node but the node is void
// - case 05. if the point is on the left edge and prefer to choose left node but the node is void
// - case 06. if the point is on the block node and there is no children
if (dom_1["default"].isVisiblePoint(point)) {
if (!dom_1["default"].isEdgePoint(point) ||
(dom_1["default"].isRightEdgePoint(point) && !isLeftToRight) ||
(dom_1["default"].isLeftEdgePoint(point) && isLeftToRight) ||
(dom_1["default"].isRightEdgePoint(point) && isLeftToRight && dom_1["default"].isVoid(point.node.nextSibling)) ||
(dom_1["default"].isLeftEdgePoint(point) && !isLeftToRight && dom_1["default"].isVoid(point.node.previousSibling)) ||
(dom_1["default"].isBlock(point.node) && dom_1["default"].isEmpty(point.node))) {
return point;
}
}
// point on block's edge
var block = dom_1["default"].ancestor(point.node, dom_1["default"].isBlock);
if (((dom_1["default"].isLeftEdgePointOf(point, block) || dom_1["default"].isVoid(dom_1["default"].prevPoint(point).node)) && !isLeftToRight) ||
((dom_1["default"].isRightEdgePointOf(point, block) || dom_1["default"].isVoid(dom_1["default"].nextPoint(point).node)) && isLeftToRight)) {
// returns point already on visible point
if (dom_1["default"].isVisiblePoint(point)) {
return point;
}
// reverse direction
isLeftToRight = !isLeftToRight;
}
var nextPoint = isLeftToRight ? dom_1["default"].nextPointUntil(dom_1["default"].nextPoint(point), dom_1["default"].isVisiblePoint)
: dom_1["default"].prevPointUntil(dom_1["default"].prevPoint(point), dom_1["default"].isVisiblePoint);
return nextPoint || point;
};
var endPoint = getVisiblePoint(this.getEndPoint(), false);
var startPoint = this.isCollapsed() ? endPoint : getVisiblePoint(this.getStartPoint(), true);
return new WrappedRange(startPoint.node, startPoint.offset, endPoint.node, endPoint.offset);
};
/**
* returns matched nodes on range
*
* @param {Function} [pred] - predicate function
* @param {Object} [options]
* @param {Boolean} [options.includeAncestor]
* @param {Boolean} [options.fullyContains]
* @return {Node[]}
*/
WrappedRange.prototype.nodes = function (pred, options) {
pred = pred || func_1["default"].ok;
var includeAncestor = options && options.includeAncestor;
var fullyContains = options && options.fullyContains;
// TODO compare points and sort
var startPoint = this.getStartPoint();
var endPoint = this.getEndPoint();
var nodes = [];
var leftEdgeNodes = [];
dom_1["default"].walkPoint(startPoint, endPoint, function (point) {
if (dom_1["default"].isEditable(point.node)) {
return;
}
var node;
if (fullyContains) {
if (dom_1["default"].isLeftEdgePoint(point)) {
leftEdgeNodes.push(point.node);
}
if (dom_1["default"].isRightEdgePoint(point) && lists_1["default"].contains(leftEdgeNodes, point.node)) {
node = point.node;
}
}
else if (includeAncestor) {
node = dom_1["default"].ancestor(point.node, pred);
}
else {
node = point.node;
}
if (node && pred(node)) {
nodes.push(node);
}
}, true);
return lists_1["default"].unique(nodes);
};
/**
* returns commonAncestor of range
* @return {Element} - commonAncestor
*/
WrappedRange.prototype.commonAncestor = function () {
return dom_1["default"].commonAncestor(this.sc, this.ec);
};
/**
* returns expanded range by pred
*
* @param {Function} pred - predicate function
* @return {WrappedRange}
*/
WrappedRange.prototype.expand = function (pred) {
var startAncestor = dom_1["default"].ancestor(this.sc, pred);
var endAncestor = dom_1["default"].ancestor(this.ec, pred);
Iif (!startAncestor && !endAncestor) {
return new WrappedRange(this.sc, this.so, this.ec, this.eo);
}
var boundaryPoints = this.getPoints();
Eif (startAncestor) {
boundaryPoints.sc = startAncestor;
boundaryPoints.so = 0;
}
Eif (endAncestor) {
boundaryPoints.ec = endAncestor;
boundaryPoints.eo = dom_1["default"].nodeLength(endAncestor);
}
return new WrappedRange(boundaryPoints.sc, boundaryPoints.so, boundaryPoints.ec, boundaryPoints.eo);
};
/**
* @param {Boolean} isCollapseToStart
* @return {WrappedRange}
*/
WrappedRange.prototype.collapse = function (isCollapseToStart) {
if (isCollapseToStart) {
return new WrappedRange(this.sc, this.so, this.sc, this.so);
}
else {
return new WrappedRange(this.ec, this.eo, this.ec, this.eo);
}
};
/**
* splitText on range
*/
WrappedRange.prototype.splitText = function () {
var isSameContainer = this.sc === this.ec;
var boundaryPoints = this.getPoints();
if (dom_1["default"].isText(this.ec) && !dom_1["default"].isEdgePoint(this.getEndPoint())) {
this.ec.splitText(this.eo);
}
if (dom_1["default"].isText(this.sc) && !dom_1["default"].isEdgePoint(this.getStartPoint())) {
boundaryPoints.sc = this.sc.splitText(this.so);
boundaryPoints.so = 0;
if (isSameContainer) {
boundaryPoints.ec = boundaryPoints.sc;
boundaryPoints.eo = this.eo - this.so;
}
}
return new WrappedRange(boundaryPoints.sc, boundaryPoints.so, boundaryPoints.ec, boundaryPoints.eo);
};
/**
* delete contents on range
* @return {WrappedRange}
*/
WrappedRange.prototype.deleteContents = function () {
if (this.isCollapsed()) {
return this;
}
var rng = this.splitText();
var nodes = rng.nodes(null, {
fullyContains: true
});
// find new cursor point
var point = dom_1["default"].prevPointUntil(rng.getStartPoint(), function (point) {
return !lists_1["default"].contains(nodes, point.node);
});
var emptyParents = [];
jquery_1["default"].each(nodes, function (idx, node) {
// find empty parents
var parent = node.parentNode;
if (point.node !== parent && dom_1["default"].nodeLength(parent) === 1) {
emptyParents.push(parent);
}
dom_1["default"].remove(node, false);
});
// remove empty parents
jquery_1["default"].each(emptyParents, function (idx, node) {
dom_1["default"].remove(node, false);
});
return new WrappedRange(point.node, point.offset, point.node, point.offset).normalize();
};
/**
* makeIsOn: return isOn(pred) function
*/
WrappedRange.prototype.makeIsOn = function (pred) {
return function () {
var ancestor = dom_1["default"].ancestor(this.sc, pred);
return !!ancestor && (ancestor === dom_1["default"].ancestor(this.ec, pred));
};
};
/**
* @param {Function} pred
* @return {Boolean}
*/
WrappedRange.prototype.isLeftEdgeOf = function (pred) {
if (!dom_1["default"].isLeftEdgePoint(this.getStartPoint())) {
return false;
}
var node = dom_1["default"].ancestor(this.sc, pred);
return node && dom_1["default"].isLeftEdgeOf(this.sc, node);
};
/**
* returns whether range was collapsed or not
*/
WrappedRange.prototype.isCollapsed = function () {
return this.sc === this.ec && this.so === this.eo;
};
/**
* wrap inline nodes which children of body with paragraph
*
* @return {WrappedRange}
*/
WrappedRange.prototype.wrapBodyInlineWithPara = function () {
if (dom_1["default"].isBodyContainer(this.sc) && dom_1["default"].isEmpty(this.sc)) {
this.sc.innerHTML = dom_1["default"].emptyPara;
return new WrappedRange(this.sc.firstChild, 0, this.sc.firstChild, 0);
}
/**
* [workaround] firefox often create range on not visible point. so normalize here.
* - firefox: |<p>text</p>|
* - chrome: <p>|text|</p>
*/
var rng = this.normalize();
if (dom_1["default"].isParaInline(this.sc) || dom_1["default"].isPara(this.sc)) {
return rng;
}
// find inline top ancestor
var topAncestor;
if (dom_1["default"].isInline(rng.sc)) {
var ancestors = dom_1["default"].listAncestor(rng.sc, func_1["default"].not(dom_1["default"].isInline));
topAncestor = lists_1["default"].last(ancestors);
if (!dom_1["default"].isInline(topAncestor)) {
topAncestor = ancestors[ancestors.length - 2] || rng.sc.childNodes[rng.so];
}
}
else {
topAncestor = rng.sc.childNodes[rng.so > 0 ? rng.so - 1 : 0];
}
// siblings not in paragraph
var inlineSiblings = dom_1["default"].listPrev(topAncestor, dom_1["default"].isParaInline).reverse();
inlineSiblings = inlineSiblings.concat(dom_1["default"].listNext(topAncestor.nextSibling, dom_1["default"].isParaInline));
// wrap with paragraph
if (inlineSiblings.length) {
var para = dom_1["default"].wrap(lists_1["default"].head(inlineSiblings), 'p');
dom_1["default"].appendChildNodes(para, lists_1["default"].tail(inlineSiblings));
}
return this.normalize();
};
/**
* insert node at current cursor
*
* @param {Node} node
* @return {Node}
*/
WrappedRange.prototype.insertNode = function (node) {
var rng = this.wrapBodyInlineWithPara().deleteContents();
var info = dom_1["default"].splitPoint(rng.getStartPoint(), dom_1["default"].isInline(node));
if (info.rightNode) {
info.rightNode.parentNode.insertBefore(node, info.rightNode);
}
else {
info.container.appendChild(node);
}
return node;
};
/**
* insert html at current cursor
*/
WrappedRange.prototype.pasteHTML = function (markup) {
var contentsContainer = jquery_1["default"]('<div></div>').html(markup)[0];
var childNodes = lists_1["default"].from(contentsContainer.childNodes);
var rng = this.wrapBodyInlineWithPara().deleteContents();
Eif (rng.so > 0) {
childNodes = childNodes.reverse();
}
childNodes = childNodes.map(function (childNode) {
return rng.insertNode(childNode);
});
Eif (rng.so > 0) {
childNodes = childNodes.reverse();
}
return childNodes;
};
/**
* returns text in range
*
* @return {String}
*/
WrappedRange.prototype.toString = function () {
var nativeRng = this.nativeRange();
return env_1["default"].isW3CRangeSupport ? nativeRng.toString() : nativeRng.text;
};
/**
* returns range for word before cursor
*
* @param {Boolean} [findAfter] - find after cursor, default: false
* @return {WrappedRange}
*/
WrappedRange.prototype.getWordRange = function (findAfter) {
var endPoint = this.getEndPoint();
if (!dom_1["default"].isCharPoint(endPoint)) {
return this;
}
var startPoint = dom_1["default"].prevPointUntil(endPoint, function (point) {
return !dom_1["default"].isCharPoint(point);
});
Iif (findAfter) {
endPoint = dom_1["default"].nextPointUntil(endPoint, function (point) {
return !dom_1["default"].isCharPoint(point);
});
}
return new WrappedRange(startPoint.node, startPoint.offset, endPoint.node, endPoint.offset);
};
/**
* create offsetPath bookmark
*
* @param {Node} editable
*/
WrappedRange.prototype.bookmark = function (editable) {
return {
s: {
path: dom_1["default"].makeOffsetPath(editable, this.sc),
offset: this.so
},
e: {
path: dom_1["default"].makeOffsetPath(editable, this.ec),
offset: this.eo
}
};
};
/**
* create offsetPath bookmark base on paragraph
*
* @param {Node[]} paras
*/
WrappedRange.prototype.paraBookmark = function (paras) {
return {
s: {
path: lists_1["default"].tail(dom_1["default"].makeOffsetPath(lists_1["default"].head(paras), this.sc)),
offset: this.so
},
e: {
path: lists_1["default"].tail(dom_1["default"].makeOffsetPath(lists_1["default"].last(paras), this.ec)),
offset: this.eo
}
};
};
/**
* getClientRects
* @return {Rect[]}
*/
WrappedRange.prototype.getClientRects = function () {
var nativeRng = this.nativeRange();
return nativeRng.getClientRects();
};
return WrappedRange;
}());
/**
* Data structure
* * BoundaryPoint: a point of dom tree
* * BoundaryPoints: two boundaryPoints corresponding to the start and the end of the Range
*
* See to http://www.w3.org/TR/DOM-Level-2-Traversal-Range/ranges.html#Level-2-Range-Position
*/
exports["default"] = {
/**
* create Range Object From arguments or Browser Selection
*
* @param {Node} sc - start container
* @param {Number} so - start offset
* @param {Node} ec - end container
* @param {Number} eo - end offset
* @return {WrappedRange}
*/
create: function (sc, so, ec, eo) {
if (arguments.length === 4) {
return new WrappedRange(sc, so, ec, eo);
}
else if (arguments.length === 2) { // collapsed
ec = sc;
eo = so;
return new WrappedRange(sc, so, ec, eo);
}
else {
var wrappedRange = this.createFromSelection();
if (!wrappedRange && arguments.length === 1) {
wrappedRange = this.createFromNode(arguments[0]);
return wrappedRange.collapse(dom_1["default"].emptyPara === arguments[0].innerHTML);
}
return wrappedRange;
}
},
createFromSelection: function () {
var sc, so, ec, eo;
Eif (env_1["default"].isW3CRangeSupport) {
var selection = document.getSelection();
if (!selection || selection.rangeCount === 0) {
return null;
}
else if (dom_1["default"].isBody(selection.anchorNode)) {
// Firefox: returns entire body as range on initialization.
// We won't never need it.
return null;
}
var nativeRng = selection.getRangeAt(0);
sc = nativeRng.startContainer;
so = nativeRng.startOffset;
ec = nativeRng.endContainer;
eo = nativeRng.endOffset;
}
else { // IE8: TextRange
var textRange = document.selection.createRange();
var textRangeEnd = textRange.duplicate();
textRangeEnd.collapse(false);
var textRangeStart = textRange;
textRangeStart.collapse(true);
var startPoint = textRangeToPoint(textRangeStart, true);
var endPoint = textRangeToPoint(textRangeEnd, false);
// same visible point case: range was collapsed.
if (dom_1["default"].isText(startPoint.node) && dom_1["default"].isLeftEdgePoint(startPoint) &&
dom_1["default"].isTextNode(endPoint.node) && dom_1["default"].isRightEdgePoint(endPoint) &&
endPoint.node.nextSibling === startPoint.node) {
startPoint = endPoint;
}
sc = startPoint.cont;
so = startPoint.offset;
ec = endPoint.cont;
eo = endPoint.offset;
}
return new WrappedRange(sc, so, ec, eo);
},
/**
* @method
*
* create WrappedRange from node
*
* @param {Node} node
* @return {WrappedRange}
*/
createFromNode: function (node) {
var sc = node;
var so = 0;
var ec = node;
var eo = dom_1["default"].nodeLength(ec);
// browsers can't target a picture or void node
if (dom_1["default"].isVoid(sc)) {
so = dom_1["default"].listPrev(sc).length - 1;
sc = sc.parentNode;
}
Iif (dom_1["default"].isBR(ec)) {
eo = dom_1["default"].listPrev(ec).length - 1;
ec = ec.parentNode;
}
else if (dom_1["default"].isVoid(ec)) {
eo = dom_1["default"].listPrev(ec).length;
ec = ec.parentNode;
}
return this.create(sc, so, ec, eo);
},
/**
* create WrappedRange from node after position
*
* @param {Node} node
* @return {WrappedRange}
*/
createFromNodeBefore: function (node) {
return this.createFromNode(node).collapse(true);
},
/**
* create WrappedRange from node after position
*
* @param {Node} node
* @return {WrappedRange}
*/
createFromNodeAfter: function (node) {
return this.createFromNode(node).collapse();
},
/**
* @method
*
* create WrappedRange from bookmark
*
* @param {Node} editable
* @param {Object} bookmark
* @return {WrappedRange}
*/
createFromBookmark: function (editable, bookmark) {
var sc = dom_1["default"].fromOffsetPath(editable, bookmark.s.path);
var so = bookmark.s.offset;
var ec = dom_1["default"].fromOffsetPath(editable, bookmark.e.path);
var eo = bookmark.e.offset;
return new WrappedRange(sc, so, ec, eo);
},
/**
* @method
*
* create WrappedRange from paraBookmark
*
* @param {Object} bookmark
* @param {Node[]} paras
* @return {WrappedRange}
*/
createFromParaBookmark: function (bookmark, paras) {
var so = bookmark.s.offset;
var eo = bookmark.e.offset;
var sc = dom_1["default"].fromOffsetPath(lists_1["default"].head(paras), bookmark.s.path);
var ec = dom_1["default"].fromOffsetPath(lists_1["default"].last(paras), bookmark.e.path);
return new WrappedRange(sc, so, ec, eo);
}
};
},'src/js/base/core/range.js',{"jquery":"/Users/lqez/Dev/summernote/node_modules/jquery/dist/jquery.js","./env":"/Users/lqez/Dev/summernote/src/js/base/core/env.js","./func":"/Users/lqez/Dev/summernote/src/js/base/core/func.js","./lists":"/Users/lqez/Dev/summernote/src/js/base/core/lists.js","./dom":"/Users/lqez/Dev/summernote/src/js/base/core/dom.js"}];})(this);
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$ from 'jquery';\nimport env from './env';\nimport func from './func';\nimport lists from './lists';\nimport dom from './dom';\n\n/**\n * return boundaryPoint from TextRange, inspired by Andy Na's HuskyRange.js\n *\n * @param {TextRange} textRange\n * @param {Boolean} isStart\n * @return {BoundaryPoint}\n *\n * @see http://msdn.microsoft.com/en-us/library/ie/ms535872(v=vs.85).aspx\n */\nfunction textRangeToPoint(textRange, isStart) {\n  let container = textRange.parentElement();\n  let offset;\n\n  const tester = document.body.createTextRange();\n  let prevContainer;\n  const childNodes = lists.from(container.childNodes);\n  for (offset = 0; offset < childNodes.length; offset++) {\n    if (dom.isText(childNodes[offset])) {\n      continue;\n    }\n    tester.moveToElementText(childNodes[offset]);\n    if (tester.compareEndPoints('StartToStart', textRange) >= 0) {\n      break;\n    }\n    prevContainer = childNodes[offset];\n  }\n\n  if (offset !== 0 && dom.isText(childNodes[offset - 1])) {\n    const textRangeStart = document.body.createTextRange();\n    let curTextNode = null;\n    textRangeStart.moveToElementText(prevContainer || container);\n    textRangeStart.collapse(!prevContainer);\n    curTextNode = prevContainer ? prevContainer.nextSibling : container.firstChild;\n\n    const pointTester = textRange.duplicate();\n    pointTester.setEndPoint('StartToStart', textRangeStart);\n    let textCount = pointTester.text.replace(/[\\r\\n]/g, '').length;\n\n    while (textCount > curTextNode.nodeValue.length && curTextNode.nextSibling) {\n      textCount -= curTextNode.nodeValue.length;\n      curTextNode = curTextNode.nextSibling;\n    }\n\n    // [workaround] enforce IE to re-reference curTextNode, hack\n    const dummy = curTextNode.nodeValue; // eslint-disable-line\n\n    if (isStart && curTextNode.nextSibling && dom.isText(curTextNode.nextSibling) &&\n      textCount === curTextNode.nodeValue.length) {\n      textCount -= curTextNode.nodeValue.length;\n      curTextNode = curTextNode.nextSibling;\n    }\n\n    container = curTextNode;\n    offset = textCount;\n  }\n\n  return {\n    cont: container,\n    offset: offset,\n  };\n}\n\n/**\n * return TextRange from boundary point (inspired by google closure-library)\n * @param {BoundaryPoint} point\n * @return {TextRange}\n */\nfunction pointToTextRange(point) {\n  const textRangeInfo = function(container, offset) {\n    let node, isCollapseToStart;\n\n    if (dom.isText(container)) {\n      const prevTextNodes = dom.listPrev(container, func.not(dom.isText));\n      const prevContainer = lists.last(prevTextNodes).previousSibling;\n      node = prevContainer || container.parentNode;\n      offset += lists.sum(lists.tail(prevTextNodes), dom.nodeLength);\n      isCollapseToStart = !prevContainer;\n    } else {\n      node = container.childNodes[offset] || container;\n      if (dom.isText(node)) {\n        return textRangeInfo(node, 0);\n      }\n\n      offset = 0;\n      isCollapseToStart = false;\n    }\n\n    return {\n      node: node,\n      collapseToStart: isCollapseToStart,\n      offset: offset,\n    };\n  };\n\n  const textRange = document.body.createTextRange();\n  const info = textRangeInfo(point.node, point.offset);\n\n  textRange.moveToElementText(info.node);\n  textRange.collapse(info.collapseToStart);\n  textRange.moveStart('character', info.offset);\n  return textRange;\n}\n\n/**\n   * Wrapped Range\n   *\n   * @constructor\n   * @param {Node} sc - start container\n   * @param {Number} so - start offset\n   * @param {Node} ec - end container\n   * @param {Number} eo - end offset\n   */\nclass WrappedRange {\n  constructor(sc, so, ec, eo) {\n    this.sc = sc;\n    this.so = so;\n    this.ec = ec;\n    this.eo = eo;\n\n    // isOnEditable: judge whether range is on editable or not\n    this.isOnEditable = this.makeIsOn(dom.isEditable);\n    // isOnList: judge whether range is on list node or not\n    this.isOnList = this.makeIsOn(dom.isList);\n    // isOnAnchor: judge whether range is on anchor node or not\n    this.isOnAnchor = this.makeIsOn(dom.isAnchor);\n    // isOnCell: judge whether range is on cell node or not\n    this.isOnCell = this.makeIsOn(dom.isCell);\n    // isOnData: judge whether range is on data node or not\n    this.isOnData = this.makeIsOn(dom.isData);\n  }\n\n  // nativeRange: get nativeRange from sc, so, ec, eo\n  nativeRange() {\n    if (env.isW3CRangeSupport) {\n      const w3cRange = document.createRange();\n      w3cRange.setStart(this.sc, this.sc.data && this.so > this.sc.data.length ? 0 : this.so);\n      w3cRange.setEnd(this.ec, this.sc.data ? Math.min(this.eo, this.sc.data.length) : this.eo);\n\n      return w3cRange;\n    } else {\n      const textRange = pointToTextRange({\n        node: this.sc,\n        offset: this.so,\n      });\n\n      textRange.setEndPoint('EndToEnd', pointToTextRange({\n        node: this.ec,\n        offset: this.eo,\n      }));\n\n      return textRange;\n    }\n  }\n\n  getPoints() {\n    return {\n      sc: this.sc,\n      so: this.so,\n      ec: this.ec,\n      eo: this.eo,\n    };\n  }\n\n  getStartPoint() {\n    return {\n      node: this.sc,\n      offset: this.so,\n    };\n  }\n\n  getEndPoint() {\n    return {\n      node: this.ec,\n      offset: this.eo,\n    };\n  }\n\n  /**\n   * select update visible range\n   */\n  select() {\n    const nativeRng = this.nativeRange();\n    if (env.isW3CRangeSupport) {\n      const selection = document.getSelection();\n      if (selection.rangeCount > 0) {\n        selection.removeAllRanges();\n      }\n      selection.addRange(nativeRng);\n    } else {\n      nativeRng.select();\n    }\n\n    return this;\n  }\n\n  /**\n   * Moves the scrollbar to start container(sc) of current range\n   *\n   * @return {WrappedRange}\n   */\n  scrollIntoView(container) {\n    const height = $(container).height();\n    if (container.scrollTop + height < this.sc.offsetTop) {\n      container.scrollTop += Math.abs(container.scrollTop + height - this.sc.offsetTop);\n    }\n\n    return this;\n  }\n\n  /**\n   * @return {WrappedRange}\n   */\n  normalize() {\n    /**\n     * @param {BoundaryPoint} point\n     * @param {Boolean} isLeftToRight - true: prefer to choose right node\n     *                                - false: prefer to choose left node\n     * @return {BoundaryPoint}\n     */\n    const getVisiblePoint = function(point, isLeftToRight) {\n      // Just use the given point [XXX:Adhoc]\n      //  - case 01. if the point is on the middle of the node\n      //  - case 02. if the point is on the right edge and prefer to choose left node\n      //  - case 03. if the point is on the left edge and prefer to choose right node\n      //  - case 04. if the point is on the right edge and prefer to choose right node but the node is void\n      //  - case 05. if the point is on the left edge and prefer to choose left node but the node is void\n      //  - case 06. if the point is on the block node and there is no children\n      if (dom.isVisiblePoint(point)) {\n        if (!dom.isEdgePoint(point) ||\n            (dom.isRightEdgePoint(point) && !isLeftToRight) ||\n            (dom.isLeftEdgePoint(point) && isLeftToRight) ||\n            (dom.isRightEdgePoint(point) && isLeftToRight && dom.isVoid(point.node.nextSibling)) ||\n            (dom.isLeftEdgePoint(point) && !isLeftToRight && dom.isVoid(point.node.previousSibling)) ||\n            (dom.isBlock(point.node) && dom.isEmpty(point.node))) {\n          return point;\n        }\n      }\n\n      // point on block's edge\n      const block = dom.ancestor(point.node, dom.isBlock);\n      if (((dom.isLeftEdgePointOf(point, block) || dom.isVoid(dom.prevPoint(point).node)) && !isLeftToRight) ||\n        ((dom.isRightEdgePointOf(point, block) || dom.isVoid(dom.nextPoint(point).node)) && isLeftToRight)) {\n        // returns point already on visible point\n        if (dom.isVisiblePoint(point)) {\n          return point;\n        }\n        // reverse direction\n        isLeftToRight = !isLeftToRight;\n      }\n\n      const nextPoint = isLeftToRight ? dom.nextPointUntil(dom.nextPoint(point), dom.isVisiblePoint)\n        : dom.prevPointUntil(dom.prevPoint(point), dom.isVisiblePoint);\n      return nextPoint || point;\n    };\n\n    const endPoint = getVisiblePoint(this.getEndPoint(), false);\n    const startPoint = this.isCollapsed() ? endPoint : getVisiblePoint(this.getStartPoint(), true);\n\n    return new WrappedRange(\n      startPoint.node,\n      startPoint.offset,\n      endPoint.node,\n      endPoint.offset\n    );\n  }\n\n  /**\n   * returns matched nodes on range\n   *\n   * @param {Function} [pred] - predicate function\n   * @param {Object} [options]\n   * @param {Boolean} [options.includeAncestor]\n   * @param {Boolean} [options.fullyContains]\n   * @return {Node[]}\n   */\n  nodes(pred, options) {\n    pred = pred || func.ok;\n\n    const includeAncestor = options && options.includeAncestor;\n    const fullyContains = options && options.fullyContains;\n\n    // TODO compare points and sort\n    const startPoint = this.getStartPoint();\n    const endPoint = this.getEndPoint();\n\n    const nodes = [];\n    const leftEdgeNodes = [];\n\n    dom.walkPoint(startPoint, endPoint, function(point) {\n      if (dom.isEditable(point.node)) {\n        return;\n      }\n\n      let node;\n      if (fullyContains) {\n        if (dom.isLeftEdgePoint(point)) {\n          leftEdgeNodes.push(point.node);\n        }\n        if (dom.isRightEdgePoint(point) && lists.contains(leftEdgeNodes, point.node)) {\n          node = point.node;\n        }\n      } else if (includeAncestor) {\n        node = dom.ancestor(point.node, pred);\n      } else {\n        node = point.node;\n      }\n\n      if (node && pred(node)) {\n        nodes.push(node);\n      }\n    }, true);\n\n    return lists.unique(nodes);\n  }\n\n  /**\n   * returns commonAncestor of range\n   * @return {Element} - commonAncestor\n   */\n  commonAncestor() {\n    return dom.commonAncestor(this.sc, this.ec);\n  }\n\n  /**\n   * returns expanded range by pred\n   *\n   * @param {Function} pred - predicate function\n   * @return {WrappedRange}\n   */\n  expand(pred) {\n    const startAncestor = dom.ancestor(this.sc, pred);\n    const endAncestor = dom.ancestor(this.ec, pred);\n\n    if (!startAncestor && !endAncestor) {\n      return new WrappedRange(this.sc, this.so, this.ec, this.eo);\n    }\n\n    const boundaryPoints = this.getPoints();\n\n    if (startAncestor) {\n      boundaryPoints.sc = startAncestor;\n      boundaryPoints.so = 0;\n    }\n\n    if (endAncestor) {\n      boundaryPoints.ec = endAncestor;\n      boundaryPoints.eo = dom.nodeLength(endAncestor);\n    }\n\n    return new WrappedRange(\n      boundaryPoints.sc,\n      boundaryPoints.so,\n      boundaryPoints.ec,\n      boundaryPoints.eo\n    );\n  }\n\n  /**\n   * @param {Boolean} isCollapseToStart\n   * @return {WrappedRange}\n   */\n  collapse(isCollapseToStart) {\n    if (isCollapseToStart) {\n      return new WrappedRange(this.sc, this.so, this.sc, this.so);\n    } else {\n      return new WrappedRange(this.ec, this.eo, this.ec, this.eo);\n    }\n  }\n\n  /**\n   * splitText on range\n   */\n  splitText() {\n    const isSameContainer = this.sc === this.ec;\n    const boundaryPoints = this.getPoints();\n\n    if (dom.isText(this.ec) && !dom.isEdgePoint(this.getEndPoint())) {\n      this.ec.splitText(this.eo);\n    }\n\n    if (dom.isText(this.sc) && !dom.isEdgePoint(this.getStartPoint())) {\n      boundaryPoints.sc = this.sc.splitText(this.so);\n      boundaryPoints.so = 0;\n\n      if (isSameContainer) {\n        boundaryPoints.ec = boundaryPoints.sc;\n        boundaryPoints.eo = this.eo - this.so;\n      }\n    }\n\n    return new WrappedRange(\n      boundaryPoints.sc,\n      boundaryPoints.so,\n      boundaryPoints.ec,\n      boundaryPoints.eo\n    );\n  }\n\n  /**\n   * delete contents on range\n   * @return {WrappedRange}\n   */\n  deleteContents() {\n    if (this.isCollapsed()) {\n      return this;\n    }\n\n    const rng = this.splitText();\n    const nodes = rng.nodes(null, {\n      fullyContains: true,\n    });\n\n    // find new cursor point\n    const point = dom.prevPointUntil(rng.getStartPoint(), function(point) {\n      return !lists.contains(nodes, point.node);\n    });\n\n    const emptyParents = [];\n    $.each(nodes, function(idx, node) {\n      // find empty parents\n      const parent = node.parentNode;\n      if (point.node !== parent && dom.nodeLength(parent) === 1) {\n        emptyParents.push(parent);\n      }\n      dom.remove(node, false);\n    });\n\n    // remove empty parents\n    $.each(emptyParents, function(idx, node) {\n      dom.remove(node, false);\n    });\n\n    return new WrappedRange(\n      point.node,\n      point.offset,\n      point.node,\n      point.offset\n    ).normalize();\n  }\n\n  /**\n   * makeIsOn: return isOn(pred) function\n   */\n  makeIsOn(pred) {\n    return function() {\n      const ancestor = dom.ancestor(this.sc, pred);\n      return !!ancestor && (ancestor === dom.ancestor(this.ec, pred));\n    };\n  }\n\n  /**\n   * @param {Function} pred\n   * @return {Boolean}\n   */\n  isLeftEdgeOf(pred) {\n    if (!dom.isLeftEdgePoint(this.getStartPoint())) {\n      return false;\n    }\n\n    const node = dom.ancestor(this.sc, pred);\n    return node && dom.isLeftEdgeOf(this.sc, node);\n  }\n\n  /**\n   * returns whether range was collapsed or not\n   */\n  isCollapsed() {\n    return this.sc === this.ec && this.so === this.eo;\n  }\n\n  /**\n   * wrap inline nodes which children of body with paragraph\n   *\n   * @return {WrappedRange}\n   */\n  wrapBodyInlineWithPara() {\n    if (dom.isBodyContainer(this.sc) && dom.isEmpty(this.sc)) {\n      this.sc.innerHTML = dom.emptyPara;\n      return new WrappedRange(this.sc.firstChild, 0, this.sc.firstChild, 0);\n    }\n\n    /**\n     * [workaround] firefox often create range on not visible point. so normalize here.\n     *  - firefox: |<p>text</p>|\n     *  - chrome: <p>|text|</p>\n     */\n    const rng = this.normalize();\n    if (dom.isParaInline(this.sc) || dom.isPara(this.sc)) {\n      return rng;\n    }\n\n    // find inline top ancestor\n    let topAncestor;\n    if (dom.isInline(rng.sc)) {\n      const ancestors = dom.listAncestor(rng.sc, func.not(dom.isInline));\n      topAncestor = lists.last(ancestors);\n      if (!dom.isInline(topAncestor)) {\n        topAncestor = ancestors[ancestors.length - 2] || rng.sc.childNodes[rng.so];\n      }\n    } else {\n      topAncestor = rng.sc.childNodes[rng.so > 0 ? rng.so - 1 : 0];\n    }\n\n    // siblings not in paragraph\n    let inlineSiblings = dom.listPrev(topAncestor, dom.isParaInline).reverse();\n    inlineSiblings = inlineSiblings.concat(dom.listNext(topAncestor.nextSibling, dom.isParaInline));\n\n    // wrap with paragraph\n    if (inlineSiblings.length) {\n      const para = dom.wrap(lists.head(inlineSiblings), 'p');\n      dom.appendChildNodes(para, lists.tail(inlineSiblings));\n    }\n\n    return this.normalize();\n  }\n\n  /**\n   * insert node at current cursor\n   *\n   * @param {Node} node\n   * @return {Node}\n   */\n  insertNode(node) {\n    const rng = this.wrapBodyInlineWithPara().deleteContents();\n    const info = dom.splitPoint(rng.getStartPoint(), dom.isInline(node));\n\n    if (info.rightNode) {\n      info.rightNode.parentNode.insertBefore(node, info.rightNode);\n    } else {\n      info.container.appendChild(node);\n    }\n\n    return node;\n  }\n\n  /**\n   * insert html at current cursor\n   */\n  pasteHTML(markup) {\n    const contentsContainer = $('<div></div>').html(markup)[0];\n    let childNodes = lists.from(contentsContainer.childNodes);\n    const rng = this.wrapBodyInlineWithPara().deleteContents();\n\n    if (rng.so > 0) {\n      childNodes = childNodes.reverse();\n    }\n    childNodes = childNodes.map(function(childNode) {\n      return rng.insertNode(childNode);\n    });\n    if (rng.so > 0) {\n      childNodes = childNodes.reverse();\n    }\n    return childNodes;\n  }\n\n  /**\n   * returns text in range\n   *\n   * @return {String}\n   */\n  toString() {\n    const nativeRng = this.nativeRange();\n    return env.isW3CRangeSupport ? nativeRng.toString() : nativeRng.text;\n  }\n\n  /**\n   * returns range for word before cursor\n   *\n   * @param {Boolean} [findAfter] - find after cursor, default: false\n   * @return {WrappedRange}\n   */\n  getWordRange(findAfter) {\n    let endPoint = this.getEndPoint();\n\n    if (!dom.isCharPoint(endPoint)) {\n      return this;\n    }\n\n    const startPoint = dom.prevPointUntil(endPoint, function(point) {\n      return !dom.isCharPoint(point);\n    });\n\n    if (findAfter) {\n      endPoint = dom.nextPointUntil(endPoint, function(point) {\n        return !dom.isCharPoint(point);\n      });\n    }\n\n    return new WrappedRange(\n      startPoint.node,\n      startPoint.offset,\n      endPoint.node,\n      endPoint.offset\n    );\n  }\n\n  /**\n   * create offsetPath bookmark\n   *\n   * @param {Node} editable\n   */\n  bookmark(editable) {\n    return {\n      s: {\n        path: dom.makeOffsetPath(editable, this.sc),\n        offset: this.so,\n      },\n      e: {\n        path: dom.makeOffsetPath(editable, this.ec),\n        offset: this.eo,\n      },\n    };\n  }\n\n  /**\n   * create offsetPath bookmark base on paragraph\n   *\n   * @param {Node[]} paras\n   */\n  paraBookmark(paras) {\n    return {\n      s: {\n        path: lists.tail(dom.makeOffsetPath(lists.head(paras), this.sc)),\n        offset: this.so,\n      },\n      e: {\n        path: lists.tail(dom.makeOffsetPath(lists.last(paras), this.ec)),\n        offset: this.eo,\n      },\n    };\n  }\n\n  /**\n   * getClientRects\n   * @return {Rect[]}\n   */\n  getClientRects() {\n    const nativeRng = this.nativeRange();\n    return nativeRng.getClientRects();\n  }\n}\n\n/**\n * Data structure\n *  * BoundaryPoint: a point of dom tree\n *  * BoundaryPoints: two boundaryPoints corresponding to the start and the end of the Range\n *\n * See to http://www.w3.org/TR/DOM-Level-2-Traversal-Range/ranges.html#Level-2-Range-Position\n */\nexport default {\n  /**\n   * create Range Object From arguments or Browser Selection\n   *\n   * @param {Node} sc - start container\n   * @param {Number} so - start offset\n   * @param {Node} ec - end container\n   * @param {Number} eo - end offset\n   * @return {WrappedRange}\n   */\n  create: function(sc, so, ec, eo) {\n    if (arguments.length === 4) {\n      return new WrappedRange(sc, so, ec, eo);\n    } else if (arguments.length === 2) { // collapsed\n      ec = sc;\n      eo = so;\n      return new WrappedRange(sc, so, ec, eo);\n    } else {\n      let wrappedRange = this.createFromSelection();\n      if (!wrappedRange && arguments.length === 1) {\n        wrappedRange = this.createFromNode(arguments[0]);\n        return wrappedRange.collapse(dom.emptyPara === arguments[0].innerHTML);\n      }\n      return wrappedRange;\n    }\n  },\n\n  createFromSelection: function() {\n    let sc, so, ec, eo;\n    if (env.isW3CRangeSupport) {\n      const selection = document.getSelection();\n      if (!selection || selection.rangeCount === 0) {\n        return null;\n      } else if (dom.isBody(selection.anchorNode)) {\n        // Firefox: returns entire body as range on initialization.\n        // We won't never need it.\n        return null;\n      }\n\n      const nativeRng = selection.getRangeAt(0);\n      sc = nativeRng.startContainer;\n      so = nativeRng.startOffset;\n      ec = nativeRng.endContainer;\n      eo = nativeRng.endOffset;\n    } else { // IE8: TextRange\n      const textRange = document.selection.createRange();\n      const textRangeEnd = textRange.duplicate();\n      textRangeEnd.collapse(false);\n      const textRangeStart = textRange;\n      textRangeStart.collapse(true);\n\n      let startPoint = textRangeToPoint(textRangeStart, true);\n      let endPoint = textRangeToPoint(textRangeEnd, false);\n\n      // same visible point case: range was collapsed.\n      if (dom.isText(startPoint.node) && dom.isLeftEdgePoint(startPoint) &&\n        dom.isTextNode(endPoint.node) && dom.isRightEdgePoint(endPoint) &&\n        endPoint.node.nextSibling === startPoint.node) {\n        startPoint = endPoint;\n      }\n\n      sc = startPoint.cont;\n      so = startPoint.offset;\n      ec = endPoint.cont;\n      eo = endPoint.offset;\n    }\n\n    return new WrappedRange(sc, so, ec, eo);\n  },\n\n  /**\n   * @method\n   *\n   * create WrappedRange from node\n   *\n   * @param {Node} node\n   * @return {WrappedRange}\n   */\n  createFromNode: function(node) {\n    let sc = node;\n    let so = 0;\n    let ec = node;\n    let eo = dom.nodeLength(ec);\n\n    // browsers can't target a picture or void node\n    if (dom.isVoid(sc)) {\n      so = dom.listPrev(sc).length - 1;\n      sc = sc.parentNode;\n    }\n    if (dom.isBR(ec)) {\n      eo = dom.listPrev(ec).length - 1;\n      ec = ec.parentNode;\n    } else if (dom.isVoid(ec)) {\n      eo = dom.listPrev(ec).length;\n      ec = ec.parentNode;\n    }\n\n    return this.create(sc, so, ec, eo);\n  },\n\n  /**\n   * create WrappedRange from node after position\n   *\n   * @param {Node} node\n   * @return {WrappedRange}\n   */\n  createFromNodeBefore: function(node) {\n    return this.createFromNode(node).collapse(true);\n  },\n\n  /**\n   * create WrappedRange from node after position\n   *\n   * @param {Node} node\n   * @return {WrappedRange}\n   */\n  createFromNodeAfter: function(node) {\n    return this.createFromNode(node).collapse();\n  },\n\n  /**\n   * @method\n   *\n   * create WrappedRange from bookmark\n   *\n   * @param {Node} editable\n   * @param {Object} bookmark\n   * @return {WrappedRange}\n   */\n  createFromBookmark: function(editable, bookmark) {\n    const sc = dom.fromOffsetPath(editable, bookmark.s.path);\n    const so = bookmark.s.offset;\n    const ec = dom.fromOffsetPath(editable, bookmark.e.path);\n    const eo = bookmark.e.offset;\n    return new WrappedRange(sc, so, ec, eo);\n  },\n\n  /**\n   * @method\n   *\n   * create WrappedRange from paraBookmark\n   *\n   * @param {Object} bookmark\n   * @param {Node[]} paras\n   * @return {WrappedRange}\n   */\n  createFromParaBookmark: function(bookmark, paras) {\n    const so = bookmark.s.offset;\n    const eo = bookmark.e.offset;\n    const sc = dom.fromOffsetPath(lists.head(paras), bookmark.s.path);\n    const ec = dom.fromOffsetPath(lists.last(paras), bookmark.e.path);\n\n    return new WrappedRange(sc, so, ec, eo);\n  },\n};\n"]}
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