/*!
- * QUnit 1.17.1
+ * QUnit 1.18.0
* http://qunitjs.com/
*
* Copyright jQuery Foundation and other contributors
* Released under the MIT license
* http://jquery.org/license
*
- * Date: 2015-01-20T19:39Z
+ * Date: 2015-04-03T10:23Z
*/
(function( window ) {
// when enabled, all tests must call expect()
requireExpects: false,
+ // depth up-to which object will be dumped
+ maxDepth: 5,
+
// add checkboxes that are persisted in the query-string
// when enabled, the id is set to `true` as a `QUnit.config` property
urlConfig: [
// String search anywhere in moduleName+testName
config.filter = urlParams.filter;
+ if ( urlParams.maxDepth ) {
+ config.maxDepth = parseInt( urlParams.maxDepth, 10 ) === -1 ?
+ Number.POSITIVE_INFINITY :
+ urlParams.maxDepth;
+ }
+
config.testId = [];
if ( urlParams.testId ) {
// Ensure that urlParams.testId is an array
- urlParams.testId = [].concat( urlParams.testId );
+ urlParams.testId = decodeURIComponent( urlParams.testId ).split( "," );
for ( i = 0; i < urlParams.testId.length; i++ ) {
config.testId.push( urlParams.testId[ i ] );
}
// Figure out if we're running the tests from a server or not
QUnit.isLocal = location.protocol === "file:";
+
+ // Expose the current QUnit version
+ QUnit.version = "1.18.0";
}());
// Root QUnit object.
});
}
-// Doesn't support IE6 to IE9
+// Doesn't support IE6 to IE9, it will return undefined on these browsers
// See also https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Error/Stack
function extractStacktrace( e, offset ) {
offset = offset === undefined ? 4 : offset;
var stack, include, i;
- if ( e.stacktrace ) {
-
- // Opera 12.x
- return e.stacktrace.split( "\n" )[ offset + 3 ];
- } else if ( e.stack ) {
-
- // Firefox, Chrome, Safari 6+, IE10+, PhantomJS and Node
+ if ( e.stack ) {
stack = e.stack.split( "\n" );
if ( /^error$/i.test( stack[ 0 ] ) ) {
stack.shift();
}
}
return stack[ offset ];
+
+ // Support: Safari <=6 only
} else if ( e.sourceURL ) {
- // Safari < 6
// exclude useless self-reference for generated Error objects
if ( /qunit.js$/.test( e.sourceURL ) ) {
return;
}
function sourceFromStacktrace( offset ) {
- var e = new Error();
- if ( !e.stack ) {
+ var error = new Error();
+
+ // Support: Safari <=7 only, IE <=10 - 11 only
+ // Not all browsers generate the `stack` property for `new Error()`, see also #636
+ if ( !error.stack ) {
try {
- throw e;
+ throw error;
} catch ( err ) {
- // This should already be true in most browsers
- e = err;
+ error = err;
}
}
- return extractStacktrace( e, offset );
+
+ return extractStacktrace( error, offset );
}
function synchronize( callback, last ) {
valid: function() {
var include,
- filter = config.filter,
+ filter = config.filter && config.filter.toLowerCase(),
module = QUnit.urlParams.module && QUnit.urlParams.module.toLowerCase(),
fullName = ( this.module.name + ": " + this.testName ).toLowerCase();
include = filter.charAt( 0 ) !== "!";
if ( !include ) {
- filter = filter.toLowerCase().slice( 1 );
+ filter = filter.slice( 1 );
}
// If the filter matches, we need to honour include
return assert.test.push.apply( assert.test, arguments );
},
- /**
- * Asserts rough true-ish result.
- * @name ok
- * @function
- * @example ok( "asdfasdf".length > 5, "There must be at least 5 chars" );
- */
ok: function( result, message ) {
message = message || ( result ? "okay" : "failed, expected argument to be truthy, was: " +
QUnit.dump.parse( result ) );
this.push( !!result, result, true, message );
},
- /**
- * Assert that the first two arguments are equal, with an optional message.
- * Prints out both actual and expected values.
- * @name equal
- * @function
- * @example equal( format( "{0} bytes.", 2), "2 bytes.", "replaces {0} with next argument" );
- */
+ notOk: function( result, message ) {
+ message = message || ( !result ? "okay" : "failed, expected argument to be falsy, was: " +
+ QUnit.dump.parse( result ) );
+ this.push( !result, result, false, message );
+ },
+
equal: function( actual, expected, message ) {
/*jshint eqeqeq:false */
this.push( expected == actual, actual, expected, message );
},
- /**
- * @name notEqual
- * @function
- */
notEqual: function( actual, expected, message ) {
/*jshint eqeqeq:false */
this.push( expected != actual, actual, expected, message );
},
- /**
- * @name propEqual
- * @function
- */
propEqual: function( actual, expected, message ) {
actual = objectValues( actual );
expected = objectValues( expected );
this.push( QUnit.equiv( actual, expected ), actual, expected, message );
},
- /**
- * @name notPropEqual
- * @function
- */
notPropEqual: function( actual, expected, message ) {
actual = objectValues( actual );
expected = objectValues( expected );
this.push( !QUnit.equiv( actual, expected ), actual, expected, message );
},
- /**
- * @name deepEqual
- * @function
- */
deepEqual: function( actual, expected, message ) {
this.push( QUnit.equiv( actual, expected ), actual, expected, message );
},
- /**
- * @name notDeepEqual
- * @function
- */
notDeepEqual: function( actual, expected, message ) {
this.push( !QUnit.equiv( actual, expected ), actual, expected, message );
},
- /**
- * @name strictEqual
- * @function
- */
strictEqual: function( actual, expected, message ) {
this.push( expected === actual, actual, expected, message );
},
- /**
- * @name notStrictEqual
- * @function
- */
notStrictEqual: function( actual, expected, message ) {
this.push( expected !== actual, actual, expected, message );
},
"throws": function( block, expected, message ) {
var actual, expectedType,
expectedOutput = expected,
- ok = false;
+ ok = false,
+ currentTest = ( this instanceof Assert && this.test ) || QUnit.config.current;
// 'expected' is optional unless doing string comparison
if ( message == null && typeof expected === "string" ) {
expected = null;
}
- this.test.ignoreGlobalErrors = true;
+ currentTest.ignoreGlobalErrors = true;
try {
- block.call( this.test.testEnvironment );
+ block.call( currentTest.testEnvironment );
} catch (e) {
actual = e;
}
- this.test.ignoreGlobalErrors = false;
+ currentTest.ignoreGlobalErrors = false;
if ( actual ) {
expectedType = QUnit.objectType( expected );
expectedOutput = null;
ok = true;
}
-
- this.push( ok, actual, expectedOutput, message );
- } else {
- this.test.pushFailure( message, null, "No exception was thrown." );
}
+
+ currentTest.assert.push( ok, actual, expectedOutput, message );
}
};
join: join,
//
depth: 1,
- maxDepth: 5,
+ maxDepth: QUnit.config.maxDepth,
// This is the list of parsers, to modify them, use dump.setParser
parsers: {
nonEnumerableProperties = [ "message", "name" ];
for ( i in nonEnumerableProperties ) {
key = nonEnumerableProperties[ i ];
- if ( key in map && !( key in keys ) ) {
+ if ( key in map && inArray( key, keys ) < 0 ) {
keys.push( key );
}
}
"start",
"stop",
"ok",
+ "notOk",
"equal",
"notEqual",
"propEqual",
exports.QUnit = QUnit;
}
+if ( typeof define === "function" && define.amd ) {
+ define( function() {
+ return QUnit;
+ } );
+ QUnit.config.autostart = false;
+}
+
// Get a reference to the global object, like window in browsers
}( (function() {
return this;
/*istanbul ignore next */
// jscs:disable maximumLineLength
/*
- * Javascript Diff Algorithm
- * By John Resig (http://ejohn.org/)
- * Modified by Chu Alan "sprite"
+ * This file is a modified version of google-diff-match-patch's JavaScript implementation
+ * (https://code.google.com/p/google-diff-match-patch/source/browse/trunk/javascript/diff_match_patch_uncompressed.js),
+ * modifications are licensed as more fully set forth in LICENSE.txt.
+ *
+ * The original source of google-diff-match-patch is attributable and licensed as follows:
*
- * Released under the MIT license.
+ * Copyright 2006 Google Inc.
+ * http://code.google.com/p/google-diff-match-patch/
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
*
* More Info:
- * http://ejohn.org/projects/javascript-diff-algorithm/
+ * https://code.google.com/p/google-diff-match-patch/
*
* Usage: QUnit.diff(expected, actual)
*
- * QUnit.diff( "the quick brown fox jumped over", "the quick fox jumps over" ) == "the quick <del>brown </del> fox <del>jumped </del><ins>jumps </ins> over"
+ * QUnit.diff( "the quick brown fox jumped over", "the quick fox jumps over" ) === "the quick <del>brown </del> fox jump<ins>s</ins><del>ed</del over"
*/
QUnit.diff = (function() {
- var hasOwn = Object.prototype.hasOwnProperty;
-
- /*jshint eqeqeq:false, eqnull:true */
- function diff( o, n ) {
- var i,
- ns = {},
- os = {};
-
- for ( i = 0; i < n.length; i++ ) {
- if ( !hasOwn.call( ns, n[ i ] ) ) {
- ns[ n[ i ] ] = {
- rows: [],
- o: null
- };
- }
- ns[ n[ i ] ].rows.push( i );
- }
-
- for ( i = 0; i < o.length; i++ ) {
- if ( !hasOwn.call( os, o[ i ] ) ) {
- os[ o[ i ] ] = {
- rows: [],
- n: null
- };
- }
- os[ o[ i ] ].rows.push( i );
- }
-
- for ( i in ns ) {
- if ( hasOwn.call( ns, i ) ) {
- if ( ns[ i ].rows.length === 1 && hasOwn.call( os, i ) && os[ i ].rows.length === 1 ) {
- n[ ns[ i ].rows[ 0 ] ] = {
- text: n[ ns[ i ].rows[ 0 ] ],
- row: os[ i ].rows[ 0 ]
- };
- o[ os[ i ].rows[ 0 ] ] = {
- text: o[ os[ i ].rows[ 0 ] ],
- row: ns[ i ].rows[ 0 ]
- };
- }
- }
- }
- for ( i = 0; i < n.length - 1; i++ ) {
- if ( n[ i ].text != null && n[ i + 1 ].text == null && n[ i ].row + 1 < o.length && o[ n[ i ].row + 1 ].text == null &&
- n[ i + 1 ] == o[ n[ i ].row + 1 ] ) {
-
- n[ i + 1 ] = {
- text: n[ i + 1 ],
- row: n[ i ].row + 1
- };
- o[ n[ i ].row + 1 ] = {
- text: o[ n[ i ].row + 1 ],
- row: i + 1
- };
- }
- }
-
- for ( i = n.length - 1; i > 0; i-- ) {
- if ( n[ i ].text != null && n[ i - 1 ].text == null && n[ i ].row > 0 && o[ n[ i ].row - 1 ].text == null &&
- n[ i - 1 ] == o[ n[ i ].row - 1 ] ) {
-
- n[ i - 1 ] = {
- text: n[ i - 1 ],
- row: n[ i ].row - 1
- };
- o[ n[ i ].row - 1 ] = {
- text: o[ n[ i ].row - 1 ],
- row: i - 1
- };
- }
- }
-
- return {
- o: o,
- n: n
- };
- }
-
- return function( o, n ) {
- o = o.replace( /\s+$/, "" );
- n = n.replace( /\s+$/, "" );
-
- var i, pre,
- str = "",
- out = diff( o === "" ? [] : o.split( /\s+/ ), n === "" ? [] : n.split( /\s+/ ) ),
- oSpace = o.match( /\s+/g ),
- nSpace = n.match( /\s+/g );
-
- if ( oSpace == null ) {
- oSpace = [ " " ];
- } else {
- oSpace.push( " " );
- }
-
- if ( nSpace == null ) {
- nSpace = [ " " ];
- } else {
- nSpace.push( " " );
- }
-
- if ( out.n.length === 0 ) {
- for ( i = 0; i < out.o.length; i++ ) {
- str += "<del>" + out.o[ i ] + oSpace[ i ] + "</del>";
- }
- } else {
- if ( out.n[ 0 ].text == null ) {
- for ( n = 0; n < out.o.length && out.o[ n ].text == null; n++ ) {
- str += "<del>" + out.o[ n ] + oSpace[ n ] + "</del>";
- }
- }
-
- for ( i = 0; i < out.n.length; i++ ) {
- if ( out.n[ i ].text == null ) {
- str += "<ins>" + out.n[ i ] + nSpace[ i ] + "</ins>";
- } else {
-
- // `pre` initialized at top of scope
- pre = "";
-
- for ( n = out.n[ i ].row + 1; n < out.o.length && out.o[ n ].text == null; n++ ) {
- pre += "<del>" + out.o[ n ] + oSpace[ n ] + "</del>";
- }
- str += " " + out.n[ i ].text + nSpace[ i ] + pre;
- }
- }
- }
-
- return str;
- };
+ function DiffMatchPatch() {
+
+ // Defaults.
+ // Redefine these in your program to override the defaults.
+
+ // Number of seconds to map a diff before giving up (0 for infinity).
+ this.DiffTimeout = 1.0;
+ // Cost of an empty edit operation in terms of edit characters.
+ this.DiffEditCost = 4;
+ }
+
+ // DIFF FUNCTIONS
+
+ /**
+ * The data structure representing a diff is an array of tuples:
+ * [[DIFF_DELETE, 'Hello'], [DIFF_INSERT, 'Goodbye'], [DIFF_EQUAL, ' world.']]
+ * which means: delete 'Hello', add 'Goodbye' and keep ' world.'
+ */
+ var DIFF_DELETE = -1,
+ DIFF_INSERT = 1,
+ DIFF_EQUAL = 0;
+
+ /**
+ * Find the differences between two texts. Simplifies the problem by stripping
+ * any common prefix or suffix off the texts before diffing.
+ * @param {string} text1 Old string to be diffed.
+ * @param {string} text2 New string to be diffed.
+ * @param {boolean=} optChecklines Optional speedup flag. If present and false,
+ * then don't run a line-level diff first to identify the changed areas.
+ * Defaults to true, which does a faster, slightly less optimal diff.
+ * @param {number} optDeadline Optional time when the diff should be complete
+ * by. Used internally for recursive calls. Users should set DiffTimeout
+ * instead.
+ * @return {!Array.<!DiffMatchPatch.Diff>} Array of diff tuples.
+ */
+ DiffMatchPatch.prototype.DiffMain = function( text1, text2, optChecklines, optDeadline ) {
+ var deadline, checklines, commonlength,
+ commonprefix, commonsuffix, diffs;
+ // Set a deadline by which time the diff must be complete.
+ if ( typeof optDeadline === "undefined" ) {
+ if ( this.DiffTimeout <= 0 ) {
+ optDeadline = Number.MAX_VALUE;
+ } else {
+ optDeadline = ( new Date() ).getTime() + this.DiffTimeout * 1000;
+ }
+ }
+ deadline = optDeadline;
+
+ // Check for null inputs.
+ if ( text1 === null || text2 === null ) {
+ throw new Error( "Null input. (DiffMain)" );
+ }
+
+ // Check for equality (speedup).
+ if ( text1 === text2 ) {
+ if ( text1 ) {
+ return [
+ [ DIFF_EQUAL, text1 ]
+ ];
+ }
+ return [];
+ }
+
+ if ( typeof optChecklines === "undefined" ) {
+ optChecklines = true;
+ }
+
+ checklines = optChecklines;
+
+ // Trim off common prefix (speedup).
+ commonlength = this.diffCommonPrefix( text1, text2 );
+ commonprefix = text1.substring( 0, commonlength );
+ text1 = text1.substring( commonlength );
+ text2 = text2.substring( commonlength );
+
+ // Trim off common suffix (speedup).
+ /////////
+ commonlength = this.diffCommonSuffix( text1, text2 );
+ commonsuffix = text1.substring( text1.length - commonlength );
+ text1 = text1.substring( 0, text1.length - commonlength );
+ text2 = text2.substring( 0, text2.length - commonlength );
+
+ // Compute the diff on the middle block.
+ diffs = this.diffCompute( text1, text2, checklines, deadline );
+
+ // Restore the prefix and suffix.
+ if ( commonprefix ) {
+ diffs.unshift( [ DIFF_EQUAL, commonprefix ] );
+ }
+ if ( commonsuffix ) {
+ diffs.push( [ DIFF_EQUAL, commonsuffix ] );
+ }
+ this.diffCleanupMerge( diffs );
+ return diffs;
+ };
+
+ /**
+ * Reduce the number of edits by eliminating operationally trivial equalities.
+ * @param {!Array.<!DiffMatchPatch.Diff>} diffs Array of diff tuples.
+ */
+ DiffMatchPatch.prototype.diffCleanupEfficiency = function( diffs ) {
+ var changes, equalities, equalitiesLength, lastequality,
+ pointer, preIns, preDel, postIns, postDel;
+ changes = false;
+ equalities = []; // Stack of indices where equalities are found.
+ equalitiesLength = 0; // Keeping our own length var is faster in JS.
+ /** @type {?string} */
+ lastequality = null;
+ // Always equal to diffs[equalities[equalitiesLength - 1]][1]
+ pointer = 0; // Index of current position.
+ // Is there an insertion operation before the last equality.
+ preIns = false;
+ // Is there a deletion operation before the last equality.
+ preDel = false;
+ // Is there an insertion operation after the last equality.
+ postIns = false;
+ // Is there a deletion operation after the last equality.
+ postDel = false;
+ while ( pointer < diffs.length ) {
+ if ( diffs[ pointer ][ 0 ] === DIFF_EQUAL ) { // Equality found.
+ if ( diffs[ pointer ][ 1 ].length < this.DiffEditCost && ( postIns || postDel ) ) {
+ // Candidate found.
+ equalities[ equalitiesLength++ ] = pointer;
+ preIns = postIns;
+ preDel = postDel;
+ lastequality = diffs[ pointer ][ 1 ];
+ } else {
+ // Not a candidate, and can never become one.
+ equalitiesLength = 0;
+ lastequality = null;
+ }
+ postIns = postDel = false;
+ } else { // An insertion or deletion.
+ if ( diffs[ pointer ][ 0 ] === DIFF_DELETE ) {
+ postDel = true;
+ } else {
+ postIns = true;
+ }
+ /*
+ * Five types to be split:
+ * <ins>A</ins><del>B</del>XY<ins>C</ins><del>D</del>
+ * <ins>A</ins>X<ins>C</ins><del>D</del>
+ * <ins>A</ins><del>B</del>X<ins>C</ins>
+ * <ins>A</del>X<ins>C</ins><del>D</del>
+ * <ins>A</ins><del>B</del>X<del>C</del>
+ */
+ if ( lastequality && ( ( preIns && preDel && postIns && postDel ) ||
+ ( ( lastequality.length < this.DiffEditCost / 2 ) &&
+ ( preIns + preDel + postIns + postDel ) === 3 ) ) ) {
+ // Duplicate record.
+ diffs.splice( equalities[equalitiesLength - 1], 0, [ DIFF_DELETE, lastequality ] );
+ // Change second copy to insert.
+ diffs[ equalities[ equalitiesLength - 1 ] + 1 ][ 0 ] = DIFF_INSERT;
+ equalitiesLength--; // Throw away the equality we just deleted;
+ lastequality = null;
+ if (preIns && preDel) {
+ // No changes made which could affect previous entry, keep going.
+ postIns = postDel = true;
+ equalitiesLength = 0;
+ } else {
+ equalitiesLength--; // Throw away the previous equality.
+ pointer = equalitiesLength > 0 ? equalities[ equalitiesLength - 1 ] : -1;
+ postIns = postDel = false;
+ }
+ changes = true;
+ }
+ }
+ pointer++;
+ }
+
+ if ( changes ) {
+ this.diffCleanupMerge( diffs );
+ }
+ };
+
+ /**
+ * Convert a diff array into a pretty HTML report.
+ * @param {!Array.<!DiffMatchPatch.Diff>} diffs Array of diff tuples.
+ * @param {integer} string to be beautified.
+ * @return {string} HTML representation.
+ */
+ DiffMatchPatch.prototype.diffPrettyHtml = function( diffs ) {
+ var op, data, x, html = [];
+ for ( x = 0; x < diffs.length; x++ ) {
+ op = diffs[x][0]; // Operation (insert, delete, equal)
+ data = diffs[x][1]; // Text of change.
+ switch ( op ) {
+ case DIFF_INSERT:
+ html[x] = "<ins>" + data + "</ins>";
+ break;
+ case DIFF_DELETE:
+ html[x] = "<del>" + data + "</del>";
+ break;
+ case DIFF_EQUAL:
+ html[x] = "<span>" + data + "</span>";
+ break;
+ }
+ }
+ return html.join("");
+ };
+
+ /**
+ * Determine the common prefix of two strings.
+ * @param {string} text1 First string.
+ * @param {string} text2 Second string.
+ * @return {number} The number of characters common to the start of each
+ * string.
+ */
+ DiffMatchPatch.prototype.diffCommonPrefix = function( text1, text2 ) {
+ var pointermid, pointermax, pointermin, pointerstart;
+ // Quick check for common null cases.
+ if ( !text1 || !text2 || text1.charAt(0) !== text2.charAt(0) ) {
+ return 0;
+ }
+ // Binary search.
+ // Performance analysis: http://neil.fraser.name/news/2007/10/09/
+ pointermin = 0;
+ pointermax = Math.min( text1.length, text2.length );
+ pointermid = pointermax;
+ pointerstart = 0;
+ while ( pointermin < pointermid ) {
+ if ( text1.substring( pointerstart, pointermid ) === text2.substring( pointerstart, pointermid ) ) {
+ pointermin = pointermid;
+ pointerstart = pointermin;
+ } else {
+ pointermax = pointermid;
+ }
+ pointermid = Math.floor( ( pointermax - pointermin ) / 2 + pointermin );
+ }
+ return pointermid;
+ };
+
+ /**
+ * Determine the common suffix of two strings.
+ * @param {string} text1 First string.
+ * @param {string} text2 Second string.
+ * @return {number} The number of characters common to the end of each string.
+ */
+ DiffMatchPatch.prototype.diffCommonSuffix = function( text1, text2 ) {
+ var pointermid, pointermax, pointermin, pointerend;
+ // Quick check for common null cases.
+ if (!text1 || !text2 || text1.charAt(text1.length - 1) !== text2.charAt(text2.length - 1)) {
+ return 0;
+ }
+ // Binary search.
+ // Performance analysis: http://neil.fraser.name/news/2007/10/09/
+ pointermin = 0;
+ pointermax = Math.min(text1.length, text2.length);
+ pointermid = pointermax;
+ pointerend = 0;
+ while ( pointermin < pointermid ) {
+ if (text1.substring( text1.length - pointermid, text1.length - pointerend ) ===
+ text2.substring( text2.length - pointermid, text2.length - pointerend ) ) {
+ pointermin = pointermid;
+ pointerend = pointermin;
+ } else {
+ pointermax = pointermid;
+ }
+ pointermid = Math.floor( ( pointermax - pointermin ) / 2 + pointermin );
+ }
+ return pointermid;
+ };
+
+ /**
+ * Find the differences between two texts. Assumes that the texts do not
+ * have any common prefix or suffix.
+ * @param {string} text1 Old string to be diffed.
+ * @param {string} text2 New string to be diffed.
+ * @param {boolean} checklines Speedup flag. If false, then don't run a
+ * line-level diff first to identify the changed areas.
+ * If true, then run a faster, slightly less optimal diff.
+ * @param {number} deadline Time when the diff should be complete by.
+ * @return {!Array.<!DiffMatchPatch.Diff>} Array of diff tuples.
+ * @private
+ */
+ DiffMatchPatch.prototype.diffCompute = function( text1, text2, checklines, deadline ) {
+ var diffs, longtext, shorttext, i, hm,
+ text1A, text2A, text1B, text2B,
+ midCommon, diffsA, diffsB;
+
+ if ( !text1 ) {
+ // Just add some text (speedup).
+ return [
+ [ DIFF_INSERT, text2 ]
+ ];
+ }
+
+ if (!text2) {
+ // Just delete some text (speedup).
+ return [
+ [ DIFF_DELETE, text1 ]
+ ];
+ }
+
+ longtext = text1.length > text2.length ? text1 : text2;
+ shorttext = text1.length > text2.length ? text2 : text1;
+ i = longtext.indexOf( shorttext );
+ if ( i !== -1 ) {
+ // Shorter text is inside the longer text (speedup).
+ diffs = [
+ [ DIFF_INSERT, longtext.substring( 0, i ) ],
+ [ DIFF_EQUAL, shorttext ],
+ [ DIFF_INSERT, longtext.substring( i + shorttext.length ) ]
+ ];
+ // Swap insertions for deletions if diff is reversed.
+ if ( text1.length > text2.length ) {
+ diffs[0][0] = diffs[2][0] = DIFF_DELETE;
+ }
+ return diffs;
+ }
+
+ if ( shorttext.length === 1 ) {
+ // Single character string.
+ // After the previous speedup, the character can't be an equality.
+ return [
+ [ DIFF_DELETE, text1 ],
+ [ DIFF_INSERT, text2 ]
+ ];
+ }
+
+ // Check to see if the problem can be split in two.
+ hm = this.diffHalfMatch(text1, text2);
+ if (hm) {
+ // A half-match was found, sort out the return data.
+ text1A = hm[0];
+ text1B = hm[1];
+ text2A = hm[2];
+ text2B = hm[3];
+ midCommon = hm[4];
+ // Send both pairs off for separate processing.
+ diffsA = this.DiffMain(text1A, text2A, checklines, deadline);
+ diffsB = this.DiffMain(text1B, text2B, checklines, deadline);
+ // Merge the results.
+ return diffsA.concat([
+ [ DIFF_EQUAL, midCommon ]
+ ], diffsB);
+ }
+
+ if (checklines && text1.length > 100 && text2.length > 100) {
+ return this.diffLineMode(text1, text2, deadline);
+ }
+
+ return this.diffBisect(text1, text2, deadline);
+ };
+
+ /**
+ * Do the two texts share a substring which is at least half the length of the
+ * longer text?
+ * This speedup can produce non-minimal diffs.
+ * @param {string} text1 First string.
+ * @param {string} text2 Second string.
+ * @return {Array.<string>} Five element Array, containing the prefix of
+ * text1, the suffix of text1, the prefix of text2, the suffix of
+ * text2 and the common middle. Or null if there was no match.
+ * @private
+ */
+ DiffMatchPatch.prototype.diffHalfMatch = function(text1, text2) {
+ var longtext, shorttext, dmp,
+ text1A, text2B, text2A, text1B, midCommon,
+ hm1, hm2, hm;
+ if (this.DiffTimeout <= 0) {
+ // Don't risk returning a non-optimal diff if we have unlimited time.
+ return null;
+ }
+ longtext = text1.length > text2.length ? text1 : text2;
+ shorttext = text1.length > text2.length ? text2 : text1;
+ if (longtext.length < 4 || shorttext.length * 2 < longtext.length) {
+ return null; // Pointless.
+ }
+ dmp = this; // 'this' becomes 'window' in a closure.
+
+ /**
+ * Does a substring of shorttext exist within longtext such that the substring
+ * is at least half the length of longtext?
+ * Closure, but does not reference any external variables.
+ * @param {string} longtext Longer string.
+ * @param {string} shorttext Shorter string.
+ * @param {number} i Start index of quarter length substring within longtext.
+ * @return {Array.<string>} Five element Array, containing the prefix of
+ * longtext, the suffix of longtext, the prefix of shorttext, the suffix
+ * of shorttext and the common middle. Or null if there was no match.
+ * @private
+ */
+ function diffHalfMatchI(longtext, shorttext, i) {
+ var seed, j, bestCommon, prefixLength, suffixLength,
+ bestLongtextA, bestLongtextB, bestShorttextA, bestShorttextB;
+ // Start with a 1/4 length substring at position i as a seed.
+ seed = longtext.substring(i, i + Math.floor(longtext.length / 4));
+ j = -1;
+ bestCommon = "";
+ while ((j = shorttext.indexOf(seed, j + 1)) !== -1) {
+ prefixLength = dmp.diffCommonPrefix(longtext.substring(i),
+ shorttext.substring(j));
+ suffixLength = dmp.diffCommonSuffix(longtext.substring(0, i),
+ shorttext.substring(0, j));
+ if (bestCommon.length < suffixLength + prefixLength) {
+ bestCommon = shorttext.substring(j - suffixLength, j) +
+ shorttext.substring(j, j + prefixLength);
+ bestLongtextA = longtext.substring(0, i - suffixLength);
+ bestLongtextB = longtext.substring(i + prefixLength);
+ bestShorttextA = shorttext.substring(0, j - suffixLength);
+ bestShorttextB = shorttext.substring(j + prefixLength);
+ }
+ }
+ if (bestCommon.length * 2 >= longtext.length) {
+ return [ bestLongtextA, bestLongtextB,
+ bestShorttextA, bestShorttextB, bestCommon
+ ];
+ } else {
+ return null;
+ }
+ }
+
+ // First check if the second quarter is the seed for a half-match.
+ hm1 = diffHalfMatchI(longtext, shorttext,
+ Math.ceil(longtext.length / 4));
+ // Check again based on the third quarter.
+ hm2 = diffHalfMatchI(longtext, shorttext,
+ Math.ceil(longtext.length / 2));
+ if (!hm1 && !hm2) {
+ return null;
+ } else if (!hm2) {
+ hm = hm1;
+ } else if (!hm1) {
+ hm = hm2;
+ } else {
+ // Both matched. Select the longest.
+ hm = hm1[4].length > hm2[4].length ? hm1 : hm2;
+ }
+
+ // A half-match was found, sort out the return data.
+ text1A, text1B, text2A, text2B;
+ if (text1.length > text2.length) {
+ text1A = hm[0];
+ text1B = hm[1];
+ text2A = hm[2];
+ text2B = hm[3];
+ } else {
+ text2A = hm[0];
+ text2B = hm[1];
+ text1A = hm[2];
+ text1B = hm[3];
+ }
+ midCommon = hm[4];
+ return [ text1A, text1B, text2A, text2B, midCommon ];
+ };
+
+ /**
+ * Do a quick line-level diff on both strings, then rediff the parts for
+ * greater accuracy.
+ * This speedup can produce non-minimal diffs.
+ * @param {string} text1 Old string to be diffed.
+ * @param {string} text2 New string to be diffed.
+ * @param {number} deadline Time when the diff should be complete by.
+ * @return {!Array.<!DiffMatchPatch.Diff>} Array of diff tuples.
+ * @private
+ */
+ DiffMatchPatch.prototype.diffLineMode = function(text1, text2, deadline) {
+ var a, diffs, linearray, pointer, countInsert,
+ countDelete, textInsert, textDelete, j;
+ // Scan the text on a line-by-line basis first.
+ a = this.diffLinesToChars(text1, text2);
+ text1 = a.chars1;
+ text2 = a.chars2;
+ linearray = a.lineArray;
+
+ diffs = this.DiffMain(text1, text2, false, deadline);
+
+ // Convert the diff back to original text.
+ this.diffCharsToLines(diffs, linearray);
+ // Eliminate freak matches (e.g. blank lines)
+ this.diffCleanupSemantic(diffs);
+
+ // Rediff any replacement blocks, this time character-by-character.
+ // Add a dummy entry at the end.
+ diffs.push( [ DIFF_EQUAL, "" ] );
+ pointer = 0;
+ countDelete = 0;
+ countInsert = 0;
+ textDelete = "";
+ textInsert = "";
+ while (pointer < diffs.length) {
+ switch ( diffs[pointer][0] ) {
+ case DIFF_INSERT:
+ countInsert++;
+ textInsert += diffs[pointer][1];
+ break;
+ case DIFF_DELETE:
+ countDelete++;
+ textDelete += diffs[pointer][1];
+ break;
+ case DIFF_EQUAL:
+ // Upon reaching an equality, check for prior redundancies.
+ if (countDelete >= 1 && countInsert >= 1) {
+ // Delete the offending records and add the merged ones.
+ diffs.splice(pointer - countDelete - countInsert,
+ countDelete + countInsert);
+ pointer = pointer - countDelete - countInsert;
+ a = this.DiffMain(textDelete, textInsert, false, deadline);
+ for (j = a.length - 1; j >= 0; j--) {
+ diffs.splice( pointer, 0, a[j] );
+ }
+ pointer = pointer + a.length;
+ }
+ countInsert = 0;
+ countDelete = 0;
+ textDelete = "";
+ textInsert = "";
+ break;
+ }
+ pointer++;
+ }
+ diffs.pop(); // Remove the dummy entry at the end.
+
+ return diffs;
+ };
+
+ /**
+ * Find the 'middle snake' of a diff, split the problem in two
+ * and return the recursively constructed diff.
+ * See Myers 1986 paper: An O(ND) Difference Algorithm and Its Variations.
+ * @param {string} text1 Old string to be diffed.
+ * @param {string} text2 New string to be diffed.
+ * @param {number} deadline Time at which to bail if not yet complete.
+ * @return {!Array.<!DiffMatchPatch.Diff>} Array of diff tuples.
+ * @private
+ */
+ DiffMatchPatch.prototype.diffBisect = function(text1, text2, deadline) {
+ var text1Length, text2Length, maxD, vOffset, vLength,
+ v1, v2, x, delta, front, k1start, k1end, k2start,
+ k2end, k2Offset, k1Offset, x1, x2, y1, y2, d, k1, k2;
+ // Cache the text lengths to prevent multiple calls.
+ text1Length = text1.length;
+ text2Length = text2.length;
+ maxD = Math.ceil((text1Length + text2Length) / 2);
+ vOffset = maxD;
+ vLength = 2 * maxD;
+ v1 = new Array(vLength);
+ v2 = new Array(vLength);
+ // Setting all elements to -1 is faster in Chrome & Firefox than mixing
+ // integers and undefined.
+ for (x = 0; x < vLength; x++) {
+ v1[x] = -1;
+ v2[x] = -1;
+ }
+ v1[vOffset + 1] = 0;
+ v2[vOffset + 1] = 0;
+ delta = text1Length - text2Length;
+ // If the total number of characters is odd, then the front path will collide
+ // with the reverse path.
+ front = (delta % 2 !== 0);
+ // Offsets for start and end of k loop.
+ // Prevents mapping of space beyond the grid.
+ k1start = 0;
+ k1end = 0;
+ k2start = 0;
+ k2end = 0;
+ for (d = 0; d < maxD; d++) {
+ // Bail out if deadline is reached.
+ if ((new Date()).getTime() > deadline) {
+ break;
+ }
+
+ // Walk the front path one step.
+ for (k1 = -d + k1start; k1 <= d - k1end; k1 += 2) {
+ k1Offset = vOffset + k1;
+ if ( k1 === -d || ( k1 !== d && v1[ k1Offset - 1 ] < v1[ k1Offset + 1 ] ) ) {
+ x1 = v1[k1Offset + 1];
+ } else {
+ x1 = v1[k1Offset - 1] + 1;
+ }
+ y1 = x1 - k1;
+ while (x1 < text1Length && y1 < text2Length &&
+ text1.charAt(x1) === text2.charAt(y1)) {
+ x1++;
+ y1++;
+ }
+ v1[k1Offset] = x1;
+ if (x1 > text1Length) {
+ // Ran off the right of the graph.
+ k1end += 2;
+ } else if (y1 > text2Length) {
+ // Ran off the bottom of the graph.
+ k1start += 2;
+ } else if (front) {
+ k2Offset = vOffset + delta - k1;
+ if (k2Offset >= 0 && k2Offset < vLength && v2[k2Offset] !== -1) {
+ // Mirror x2 onto top-left coordinate system.
+ x2 = text1Length - v2[k2Offset];
+ if (x1 >= x2) {
+ // Overlap detected.
+ return this.diffBisectSplit(text1, text2, x1, y1, deadline);
+ }
+ }
+ }
+ }
+
+ // Walk the reverse path one step.
+ for (k2 = -d + k2start; k2 <= d - k2end; k2 += 2) {
+ k2Offset = vOffset + k2;
+ if ( k2 === -d || (k2 !== d && v2[ k2Offset - 1 ] < v2[ k2Offset + 1 ] ) ) {
+ x2 = v2[k2Offset + 1];
+ } else {
+ x2 = v2[k2Offset - 1] + 1;
+ }
+ y2 = x2 - k2;
+ while (x2 < text1Length && y2 < text2Length &&
+ text1.charAt(text1Length - x2 - 1) ===
+ text2.charAt(text2Length - y2 - 1)) {
+ x2++;
+ y2++;
+ }
+ v2[k2Offset] = x2;
+ if (x2 > text1Length) {
+ // Ran off the left of the graph.
+ k2end += 2;
+ } else if (y2 > text2Length) {
+ // Ran off the top of the graph.
+ k2start += 2;
+ } else if (!front) {
+ k1Offset = vOffset + delta - k2;
+ if (k1Offset >= 0 && k1Offset < vLength && v1[k1Offset] !== -1) {
+ x1 = v1[k1Offset];
+ y1 = vOffset + x1 - k1Offset;
+ // Mirror x2 onto top-left coordinate system.
+ x2 = text1Length - x2;
+ if (x1 >= x2) {
+ // Overlap detected.
+ return this.diffBisectSplit(text1, text2, x1, y1, deadline);
+ }
+ }
+ }
+ }
+ }
+ // Diff took too long and hit the deadline or
+ // number of diffs equals number of characters, no commonality at all.
+ return [
+ [ DIFF_DELETE, text1 ],
+ [ DIFF_INSERT, text2 ]
+ ];
+ };
+
+ /**
+ * Given the location of the 'middle snake', split the diff in two parts
+ * and recurse.
+ * @param {string} text1 Old string to be diffed.
+ * @param {string} text2 New string to be diffed.
+ * @param {number} x Index of split point in text1.
+ * @param {number} y Index of split point in text2.
+ * @param {number} deadline Time at which to bail if not yet complete.
+ * @return {!Array.<!DiffMatchPatch.Diff>} Array of diff tuples.
+ * @private
+ */
+ DiffMatchPatch.prototype.diffBisectSplit = function( text1, text2, x, y, deadline ) {
+ var text1a, text1b, text2a, text2b, diffs, diffsb;
+ text1a = text1.substring(0, x);
+ text2a = text2.substring(0, y);
+ text1b = text1.substring(x);
+ text2b = text2.substring(y);
+
+ // Compute both diffs serially.
+ diffs = this.DiffMain(text1a, text2a, false, deadline);
+ diffsb = this.DiffMain(text1b, text2b, false, deadline);
+
+ return diffs.concat(diffsb);
+ };
+
+ /**
+ * Reduce the number of edits by eliminating semantically trivial equalities.
+ * @param {!Array.<!DiffMatchPatch.Diff>} diffs Array of diff tuples.
+ */
+ DiffMatchPatch.prototype.diffCleanupSemantic = function(diffs) {
+ var changes, equalities, equalitiesLength, lastequality,
+ pointer, lengthInsertions2, lengthDeletions2, lengthInsertions1,
+ lengthDeletions1, deletion, insertion, overlapLength1, overlapLength2;
+ changes = false;
+ equalities = []; // Stack of indices where equalities are found.
+ equalitiesLength = 0; // Keeping our own length var is faster in JS.
+ /** @type {?string} */
+ lastequality = null;
+ // Always equal to diffs[equalities[equalitiesLength - 1]][1]
+ pointer = 0; // Index of current position.
+ // Number of characters that changed prior to the equality.
+ lengthInsertions1 = 0;
+ lengthDeletions1 = 0;
+ // Number of characters that changed after the equality.
+ lengthInsertions2 = 0;
+ lengthDeletions2 = 0;
+ while (pointer < diffs.length) {
+ if (diffs[pointer][0] === DIFF_EQUAL) { // Equality found.
+ equalities[equalitiesLength++] = pointer;
+ lengthInsertions1 = lengthInsertions2;
+ lengthDeletions1 = lengthDeletions2;
+ lengthInsertions2 = 0;
+ lengthDeletions2 = 0;
+ lastequality = diffs[pointer][1];
+ } else { // An insertion or deletion.
+ if (diffs[pointer][0] === DIFF_INSERT) {
+ lengthInsertions2 += diffs[pointer][1].length;
+ } else {
+ lengthDeletions2 += diffs[pointer][1].length;
+ }
+ // Eliminate an equality that is smaller or equal to the edits on both
+ // sides of it.
+ if (lastequality && (lastequality.length <=
+ Math.max(lengthInsertions1, lengthDeletions1)) &&
+ (lastequality.length <= Math.max(lengthInsertions2,
+ lengthDeletions2))) {
+ // Duplicate record.
+ diffs.splice( equalities[ equalitiesLength - 1 ], 0, [ DIFF_DELETE, lastequality ] );
+ // Change second copy to insert.
+ diffs[equalities[equalitiesLength - 1] + 1][0] = DIFF_INSERT;
+ // Throw away the equality we just deleted.
+ equalitiesLength--;
+ // Throw away the previous equality (it needs to be reevaluated).
+ equalitiesLength--;
+ pointer = equalitiesLength > 0 ? equalities[equalitiesLength - 1] : -1;
+ lengthInsertions1 = 0; // Reset the counters.
+ lengthDeletions1 = 0;
+ lengthInsertions2 = 0;
+ lengthDeletions2 = 0;
+ lastequality = null;
+ changes = true;
+ }
+ }
+ pointer++;
+ }
+
+ // Normalize the diff.
+ if (changes) {
+ this.diffCleanupMerge(diffs);
+ }
+
+ // Find any overlaps between deletions and insertions.
+ // e.g: <del>abcxxx</del><ins>xxxdef</ins>
+ // -> <del>abc</del>xxx<ins>def</ins>
+ // e.g: <del>xxxabc</del><ins>defxxx</ins>
+ // -> <ins>def</ins>xxx<del>abc</del>
+ // Only extract an overlap if it is as big as the edit ahead or behind it.
+ pointer = 1;
+ while (pointer < diffs.length) {
+ if (diffs[pointer - 1][0] === DIFF_DELETE &&
+ diffs[pointer][0] === DIFF_INSERT) {
+ deletion = diffs[pointer - 1][1];
+ insertion = diffs[pointer][1];
+ overlapLength1 = this.diffCommonOverlap(deletion, insertion);
+ overlapLength2 = this.diffCommonOverlap(insertion, deletion);
+ if (overlapLength1 >= overlapLength2) {
+ if (overlapLength1 >= deletion.length / 2 ||
+ overlapLength1 >= insertion.length / 2) {
+ // Overlap found. Insert an equality and trim the surrounding edits.
+ diffs.splice( pointer, 0, [ DIFF_EQUAL, insertion.substring( 0, overlapLength1 ) ] );
+ diffs[pointer - 1][1] =
+ deletion.substring(0, deletion.length - overlapLength1);
+ diffs[pointer + 1][1] = insertion.substring(overlapLength1);
+ pointer++;
+ }
+ } else {
+ if (overlapLength2 >= deletion.length / 2 ||
+ overlapLength2 >= insertion.length / 2) {
+ // Reverse overlap found.
+ // Insert an equality and swap and trim the surrounding edits.
+ diffs.splice( pointer, 0, [ DIFF_EQUAL, deletion.substring( 0, overlapLength2 ) ] );
+ diffs[pointer - 1][0] = DIFF_INSERT;
+ diffs[pointer - 1][1] =
+ insertion.substring(0, insertion.length - overlapLength2);
+ diffs[pointer + 1][0] = DIFF_DELETE;
+ diffs[pointer + 1][1] =
+ deletion.substring(overlapLength2);
+ pointer++;
+ }
+ }
+ pointer++;
+ }
+ pointer++;
+ }
+ };
+
+ /**
+ * Determine if the suffix of one string is the prefix of another.
+ * @param {string} text1 First string.
+ * @param {string} text2 Second string.
+ * @return {number} The number of characters common to the end of the first
+ * string and the start of the second string.
+ * @private
+ */
+ DiffMatchPatch.prototype.diffCommonOverlap = function(text1, text2) {
+ var text1Length, text2Length, textLength,
+ best, length, pattern, found;
+ // Cache the text lengths to prevent multiple calls.
+ text1Length = text1.length;
+ text2Length = text2.length;
+ // Eliminate the null case.
+ if (text1Length === 0 || text2Length === 0) {
+ return 0;
+ }
+ // Truncate the longer string.
+ if (text1Length > text2Length) {
+ text1 = text1.substring(text1Length - text2Length);
+ } else if (text1Length < text2Length) {
+ text2 = text2.substring(0, text1Length);
+ }
+ textLength = Math.min(text1Length, text2Length);
+ // Quick check for the worst case.
+ if (text1 === text2) {
+ return textLength;
+ }
+
+ // Start by looking for a single character match
+ // and increase length until no match is found.
+ // Performance analysis: http://neil.fraser.name/news/2010/11/04/
+ best = 0;
+ length = 1;
+ while (true) {
+ pattern = text1.substring(textLength - length);
+ found = text2.indexOf(pattern);
+ if (found === -1) {
+ return best;
+ }
+ length += found;
+ if (found === 0 || text1.substring(textLength - length) ===
+ text2.substring(0, length)) {
+ best = length;
+ length++;
+ }
+ }
+ };
+
+ /**
+ * Split two texts into an array of strings. Reduce the texts to a string of
+ * hashes where each Unicode character represents one line.
+ * @param {string} text1 First string.
+ * @param {string} text2 Second string.
+ * @return {{chars1: string, chars2: string, lineArray: !Array.<string>}}
+ * An object containing the encoded text1, the encoded text2 and
+ * the array of unique strings.
+ * The zeroth element of the array of unique strings is intentionally blank.
+ * @private
+ */
+ DiffMatchPatch.prototype.diffLinesToChars = function(text1, text2) {
+ var lineArray, lineHash, chars1, chars2;
+ lineArray = []; // e.g. lineArray[4] === 'Hello\n'
+ lineHash = {}; // e.g. lineHash['Hello\n'] === 4
+
+ // '\x00' is a valid character, but various debuggers don't like it.
+ // So we'll insert a junk entry to avoid generating a null character.
+ lineArray[0] = "";
+
+ /**
+ * Split a text into an array of strings. Reduce the texts to a string of
+ * hashes where each Unicode character represents one line.
+ * Modifies linearray and linehash through being a closure.
+ * @param {string} text String to encode.
+ * @return {string} Encoded string.
+ * @private
+ */
+ function diffLinesToCharsMunge(text) {
+ var chars, lineStart, lineEnd, lineArrayLength, line;
+ chars = "";
+ // Walk the text, pulling out a substring for each line.
+ // text.split('\n') would would temporarily double our memory footprint.
+ // Modifying text would create many large strings to garbage collect.
+ lineStart = 0;
+ lineEnd = -1;
+ // Keeping our own length variable is faster than looking it up.
+ lineArrayLength = lineArray.length;
+ while (lineEnd < text.length - 1) {
+ lineEnd = text.indexOf("\n", lineStart);
+ if (lineEnd === -1) {
+ lineEnd = text.length - 1;
+ }
+ line = text.substring(lineStart, lineEnd + 1);
+ lineStart = lineEnd + 1;
+
+ if (lineHash.hasOwnProperty ? lineHash.hasOwnProperty(line) :
+ (lineHash[line] !== undefined)) {
+ chars += String.fromCharCode( lineHash[ line ] );
+ } else {
+ chars += String.fromCharCode(lineArrayLength);
+ lineHash[line] = lineArrayLength;
+ lineArray[lineArrayLength++] = line;
+ }
+ }
+ return chars;
+ }
+
+ chars1 = diffLinesToCharsMunge(text1);
+ chars2 = diffLinesToCharsMunge(text2);
+ return {
+ chars1: chars1,
+ chars2: chars2,
+ lineArray: lineArray
+ };
+ };
+
+ /**
+ * Rehydrate the text in a diff from a string of line hashes to real lines of
+ * text.
+ * @param {!Array.<!DiffMatchPatch.Diff>} diffs Array of diff tuples.
+ * @param {!Array.<string>} lineArray Array of unique strings.
+ * @private
+ */
+ DiffMatchPatch.prototype.diffCharsToLines = function( diffs, lineArray ) {
+ var x, chars, text, y;
+ for ( x = 0; x < diffs.length; x++ ) {
+ chars = diffs[x][1];
+ text = [];
+ for ( y = 0; y < chars.length; y++ ) {
+ text[y] = lineArray[chars.charCodeAt(y)];
+ }
+ diffs[x][1] = text.join("");
+ }
+ };
+
+ /**
+ * Reorder and merge like edit sections. Merge equalities.
+ * Any edit section can move as long as it doesn't cross an equality.
+ * @param {!Array.<!DiffMatchPatch.Diff>} diffs Array of diff tuples.
+ */
+ DiffMatchPatch.prototype.diffCleanupMerge = function(diffs) {
+ var pointer, countDelete, countInsert, textInsert, textDelete,
+ commonlength, changes;
+ diffs.push( [ DIFF_EQUAL, "" ] ); // Add a dummy entry at the end.
+ pointer = 0;
+ countDelete = 0;
+ countInsert = 0;
+ textDelete = "";
+ textInsert = "";
+ commonlength;
+ while (pointer < diffs.length) {
+ switch ( diffs[ pointer ][ 0 ] ) {
+ case DIFF_INSERT:
+ countInsert++;
+ textInsert += diffs[pointer][1];
+ pointer++;
+ break;
+ case DIFF_DELETE:
+ countDelete++;
+ textDelete += diffs[pointer][1];
+ pointer++;
+ break;
+ case DIFF_EQUAL:
+ // Upon reaching an equality, check for prior redundancies.
+ if (countDelete + countInsert > 1) {
+ if (countDelete !== 0 && countInsert !== 0) {
+ // Factor out any common prefixies.
+ commonlength = this.diffCommonPrefix(textInsert, textDelete);
+ if (commonlength !== 0) {
+ if ((pointer - countDelete - countInsert) > 0 &&
+ diffs[pointer - countDelete - countInsert - 1][0] ===
+ DIFF_EQUAL) {
+ diffs[pointer - countDelete - countInsert - 1][1] +=
+ textInsert.substring(0, commonlength);
+ } else {
+ diffs.splice( 0, 0, [ DIFF_EQUAL,
+ textInsert.substring( 0, commonlength )
+ ] );
+ pointer++;
+ }
+ textInsert = textInsert.substring(commonlength);
+ textDelete = textDelete.substring(commonlength);
+ }
+ // Factor out any common suffixies.
+ commonlength = this.diffCommonSuffix(textInsert, textDelete);
+ if (commonlength !== 0) {
+ diffs[pointer][1] = textInsert.substring(textInsert.length -
+ commonlength) + diffs[pointer][1];
+ textInsert = textInsert.substring(0, textInsert.length -
+ commonlength);
+ textDelete = textDelete.substring(0, textDelete.length -
+ commonlength);
+ }
+ }
+ // Delete the offending records and add the merged ones.
+ if (countDelete === 0) {
+ diffs.splice( pointer - countInsert,
+ countDelete + countInsert, [ DIFF_INSERT, textInsert ] );
+ } else if (countInsert === 0) {
+ diffs.splice( pointer - countDelete,
+ countDelete + countInsert, [ DIFF_DELETE, textDelete ] );
+ } else {
+ diffs.splice( pointer - countDelete - countInsert,
+ countDelete + countInsert, [ DIFF_DELETE, textDelete ], [ DIFF_INSERT, textInsert ] );
+ }
+ pointer = pointer - countDelete - countInsert +
+ (countDelete ? 1 : 0) + (countInsert ? 1 : 0) + 1;
+ } else if (pointer !== 0 && diffs[pointer - 1][0] === DIFF_EQUAL) {
+ // Merge this equality with the previous one.
+ diffs[pointer - 1][1] += diffs[pointer][1];
+ diffs.splice(pointer, 1);
+ } else {
+ pointer++;
+ }
+ countInsert = 0;
+ countDelete = 0;
+ textDelete = "";
+ textInsert = "";
+ break;
+ }
+ }
+ if (diffs[diffs.length - 1][1] === "") {
+ diffs.pop(); // Remove the dummy entry at the end.
+ }
+
+ // Second pass: look for single edits surrounded on both sides by equalities
+ // which can be shifted sideways to eliminate an equality.
+ // e.g: A<ins>BA</ins>C -> <ins>AB</ins>AC
+ changes = false;
+ pointer = 1;
+ // Intentionally ignore the first and last element (don't need checking).
+ while (pointer < diffs.length - 1) {
+ if (diffs[pointer - 1][0] === DIFF_EQUAL &&
+ diffs[pointer + 1][0] === DIFF_EQUAL) {
+ // This is a single edit surrounded by equalities.
+ if ( diffs[ pointer ][ 1 ].substring( diffs[ pointer ][ 1 ].length -
+ diffs[ pointer - 1 ][ 1 ].length ) === diffs[ pointer - 1 ][ 1 ] ) {
+ // Shift the edit over the previous equality.
+ diffs[pointer][1] = diffs[pointer - 1][1] +
+ diffs[pointer][1].substring(0, diffs[pointer][1].length -
+ diffs[pointer - 1][1].length);
+ diffs[pointer + 1][1] = diffs[pointer - 1][1] + diffs[pointer + 1][1];
+ diffs.splice(pointer - 1, 1);
+ changes = true;
+ } else if ( diffs[ pointer ][ 1 ].substring( 0, diffs[ pointer + 1 ][ 1 ].length ) ===
+ diffs[ pointer + 1 ][ 1 ] ) {
+ // Shift the edit over the next equality.
+ diffs[pointer - 1][1] += diffs[pointer + 1][1];
+ diffs[pointer][1] =
+ diffs[pointer][1].substring(diffs[pointer + 1][1].length) +
+ diffs[pointer + 1][1];
+ diffs.splice(pointer + 1, 1);
+ changes = true;
+ }
+ }
+ pointer++;
+ }
+ // If shifts were made, the diff needs reordering and another shift sweep.
+ if (changes) {
+ this.diffCleanupMerge(diffs);
+ }
+ };
+
+ return function(o, n) {
+ var diff, output, text;
+ diff = new DiffMatchPatch();
+ output = diff.DiffMain(o, n);
+ //console.log(output);
+ diff.diffCleanupEfficiency(output);
+ text = diff.diffPrettyHtml(output);
+
+ return text;
+ };
}());
// jscs:enable
} else if ( elem.attachEvent ) {
// support: IE <9
- elem.attachEvent( "on" + type, fn );
+ elem.attachEvent( "on" + type, function() {
+ var event = window.event;
+ if ( !event.target ) {
+ event.target = event.srcElement || document;
+ }
+
+ fn.call( elem, event );
+ });
}
}
}
function applyUrlParams() {
- var selectBox = id( "qunit-modulefilter" ),
- selection = decodeURIComponent( selectBox.options[ selectBox.selectedIndex ].value ),
+ var selectedModule,
+ modulesList = id( "qunit-modulefilter" ),
filter = id( "qunit-filter-input" ).value;
+ selectedModule = modulesList ?
+ decodeURIComponent( modulesList.options[ modulesList.selectedIndex ].value ) :
+ undefined;
+
window.location = setUrl({
- module: ( selection === "" ) ? undefined : selection,
+ module: ( selectedModule === "" ) ? undefined : selectedModule,
filter: ( filter === "" ) ? undefined : filter,
// Remove testId filter
function appendUserAgent() {
var userAgent = id( "qunit-userAgent" );
+
if ( userAgent ) {
userAgent.innerHTML = "";
- userAgent.appendChild( document.createTextNode( navigator.userAgent ) );
+ userAgent.appendChild(
+ document.createTextNode(
+ "QUnit " + QUnit.version + "; " + navigator.userAgent
+ )
+ );
}
}
}
QUnit.testStart(function( details ) {
- var running, testBlock;
+ var running, testBlock, bad;
testBlock = id( "qunit-test-output-" + details.testId );
if ( testBlock ) {
running = id( "qunit-testresult" );
if ( running ) {
- running.innerHTML = "Running: <br />" + getNameHtml( details.name, details.module );
+ bad = QUnit.config.reorder && defined.sessionStorage &&
+ +sessionStorage.getItem( "qunit-test-" + details.module + "-" + details.name );
+
+ running.innerHTML = ( bad ?
+ "Rerunning previously failed test: <br />" :
+ "Running: <br />" ) +
+ getNameHtml( details.name, details.module );
}
});
actual + "</pre></td></tr>" +
"<tr class='test-diff'><th>Diff: </th><td><pre>" +
QUnit.diff( expected, actual ) + "</pre></td></tr>";
+ } else {
+ if ( expected.indexOf( "[object Array]" ) !== -1 ||
+ expected.indexOf( "[object Object]" ) !== -1 ) {
+ message += "<tr class='test-message'><th>Message: </th><td>" +
+ "Diff suppressed as the depth of object is more than current max depth (" +
+ QUnit.config.maxDepth + ").<p>Hint: Use <code>QUnit.dump.maxDepth</code> to " +
+ " run with a higher max depth or <a href='" + setUrl({ maxDepth: -1 }) + "'>" +
+ "Rerun</a> without max depth.</p></td></tr>";
+ }
}
if ( details.source ) {
}
});
-if ( !defined.document || document.readyState === "complete" ) {
+if ( defined.document ) {
+ if ( document.readyState === "complete" ) {
+ QUnit.load();
+ } else {
+ addEvent( window, "load", QUnit.load );
+ }
+} else {
config.pageLoaded = true;
config.autorun = true;
}
-if ( defined.document ) {
- addEvent( window, "load", QUnit.load );
-}
-
})();
projects / jquery-ui.git / commitdiff