js对比两个文本的差异并高亮显示差异部分_js 判断两个input内容差异差异部分标红

作者：我家自动化 | 2024-07-07 22:17:41

踩

js 判断两个input内容差异差异部分标红

在线参考demo：
http://incaseofstairs.com/jsdiff/

项目地址：
https://github.com/kpdecker/jsdiff

效果图：
在这里插入图片描述

测试页面html源码：


<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <title>比较文本差异</title>
    <style type="text/css">
        table { width: 100%; height: 600px; }
        tr { flex-direction: row; display: -webkit-flex; display: flex; height: 100%; -webkit-flex-wrap: wrap; flex-wrap: wrap; }
            tr td { width: 33%; border: 1px solid #000000; }
        del { background: #ff0000; }
        ins { background: #00ff21; }
    </style>
</head>
<body>

    <div id="settings">
        <h1>比较文本差异（只适合比较纯文本且不带html标签）</h1>
        <label><input type="radio" name="diff_type" value="diffChars" checked> Chars</label>
        <label><input type="radio" name="diff_type" value="diffWords"> Words</label>
        <label><input type="radio" name="diff_type" value="diffLines"> Lines</label>
    </div>
    <a href="https://github.com/kpdecker/jsdiff" class="source">github.com/kpdecker/jsdiff</a>
    <table>
        <tr>
            <td contenteditable="true" id="a">restaurant</td>
            <td contenteditable="true" id="b">aura</td>
            <td><div id="result"></div></td>
        </tr>
    </table>

    <script src="diff.js"></script>
    <script defer>
        var a = document.getElementById('a');
        var b = document.getElementById('b');
        var result = document.getElementById('result');

        function changed() {
            console.log('***********************************************');
            var oldContent = a.textContent;
            var content1 = b.textContent;

            //console.log("content1-----");
            //console.log(content1);

            //diffChars以字符显示差异
            //diffWords以整句或段显示对比差异
            //diffLines以行显示差异
            //window.diffType
            var diff = JsDiff[window.diffType](oldContent, content1);
            var arr = new Array();
            for (var i = 0; i < diff.length; i++) {
                if (diff[i].added && diff[i + 1] && diff[i + 1].removed) {
                    var swap = diff[i];
                    diff[i] = diff[i + 1];
                    diff[i + 1] = swap;
                }
                console.log(diff[i]);
                var diffObj = diff[i];
                var content = diffObj.value;

                //可以考虑启用，特别是后台清理HTML标签后的文本
                if (content.indexOf("\n") >= 0) {
                    //console.log("有换行符");
                    //替换为<br/>
                    var reg = new RegExp('\n', 'g');
                    content = content.replace(reg, '<br/>');
                }

                //var reg2 = new RegExp('##em2', 'g');
                //var reg3 = new RegExp('replace##', 'g');
                //content = content.replace(reg2, '');
                //content = content.replace(reg3, '');

                if (diffObj.removed) {
                    arr.push('<del title="删除的部分">' + content + '</del>');
                } else if (diffObj.added) {
                    arr.push('<ins title="新增的部分">' + content + '</ins>');
                } else {
                    //没有改动的部分
                    arr.push('<span title="没有改动的部分">' + content + '</span>');
                }
            }
            var html = arr.join('');
            //var reg = new RegExp('##em2.replace##', 'g');
            //html = html.replace(reg, '<span style="text-indent:2em;display: inline-block;">&nbsp;</span>');
            //$("#" + newId+"_show").html(html);
            //$("#result").html(html);
            result.innerHTML = html;
        }
        //function changed() {
        //	var diff = JsDiff[window.diffType](a.textContent, b.textContent);
        //	var fragment = document.createDocumentFragment();
        //	for (var i=0; i < diff.length; i++) {
        //		if (diff[i].added && diff[i + 1] && diff[i + 1].removed) {
        //			var swap = diff[i];
        //			diff[i] = diff[i + 1];
        //			diff[i + 1] = swap;
        //		}
        //		var node;
        //		if (diff[i].removed) {
        //			node = document.createElement('del');
        //			node.appendChild(document.createTextNode(diff[i].value));
        //		} else if (diff[i].added) {
        //			node = document.createElement('ins');
        //			node.appendChild(document.createTextNode(diff[i].value));
        //		} else {
        //			node = document.createTextNode(diff[i].value);
        //		}
        //		fragment.appendChild(node);
        //	}
        //	result.textContent = '';
        //	result.appendChild(fragment);
        //}

        window.onload = function () {
            onDiffTypeChange(document.querySelector('#settings [name="diff_type"]:checked'));
            changed();
        };

        a.onpaste = a.onchange =
            b.onpaste = b.onchange = changed;

        if ('oninput' in a) {
            a.oninput = b.oninput = changed;
        } else {
            a.onkeyup = b.onkeyup = changed;
        }

        function onDiffTypeChange(radio) {
            window.diffType = radio.value;
            document.title = "Diff " + radio.value.slice(4);
        }

        var radio = document.getElementsByName('diff_type');
        for (var i = 0; i < radio.length; i++) {
            radio[i].onchange = function (e) {
                onDiffTypeChange(e.target);
                changed();
            }
        }
    </script>
</body>
</html>

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145

核心的处理对比的diff.js文件：

/*!

 diff v2.0.1

Software License Agreement (BSD License)

Copyright (c) 2009-2015, Kevin Decker <kpdecker@gmail.com>

All rights reserved.

Redistribution and use of this software in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:

* Redistributions of source code must retain the above
  copyright notice, this list of conditions and the
  following disclaimer.

* Redistributions in binary form must reproduce the above
  copyright notice, this list of conditions and the
  following disclaimer in the documentation and/or other
  materials provided with the distribution.

* Neither the name of Kevin Decker nor the names of its
  contributors may be used to endorse or promote products
  derived from this software without specific prior
  written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
@license
*/
(function webpackUniversalModuleDefinition(root, factory) {
	if(typeof exports === 'object' && typeof module === 'object')
		module.exports = factory();
	else if(typeof define === 'function' && define.amd)
		define(factory);
	else if(typeof exports === 'object')
		exports["JsDiff"] = factory();
	else
		root["JsDiff"] = factory();
})(this, function() {
return /******/ (function(modules) { // webpackBootstrap
/******/ 	// The module cache
/******/ 	var installedModules = {};

/******/ 	// The require function
/******/ 	function __webpack_require__(moduleId) {

/******/ 		// Check if module is in cache
/******/ 		if(installedModules[moduleId])
/******/ 			return installedModules[moduleId].exports;

/******/ 		// Create a new module (and put it into the cache)
/******/ 		var module = installedModules[moduleId] = {
/******/ 			exports: {},
/******/ 			id: moduleId,
/******/ 			loaded: false
/******/ 		};

/******/ 		// Execute the module function
/******/ 		modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);

/******/ 		// Flag the module as loaded
/******/ 		module.loaded = true;

/******/ 		// Return the exports of the module
/******/ 		return module.exports;
/******/ 	}


/******/ 	// expose the modules object (__webpack_modules__)
/******/ 	__webpack_require__.m = modules;

/******/ 	// expose the module cache
/******/ 	__webpack_require__.c = installedModules;

/******/ 	// __webpack_public_path__
/******/ 	__webpack_require__.p = "";

/******/ 	// Load entry module and return exports
/******/ 	return __webpack_require__(0);
/******/ })
/************************************************************************/
/******/ ([
/* 0 */
/***/ function(module, exports, __webpack_require__) {

	/* See LICENSE file for terms of use */

	/*
	 * Text diff implementation.
	 *
	 * This library supports the following APIS:
	 * JsDiff.diffChars: Character by character diff
	 * JsDiff.diffWords: Word (as defined by \b regex) diff which ignores whitespace
	 * JsDiff.diffLines: Line based diff
	 *
	 * JsDiff.diffCss: Diff targeted at CSS content
	 *
	 * These methods are based on the implementation proposed in
	 * "An O(ND) Difference Algorithm and its Variations" (Myers, 1986).
	 * http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.4.6927
	 */
	'use strict';

	exports.__esModule = true;
	// istanbul ignore next

	function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }

	var _diffBase = __webpack_require__(1);

	var _diffBase2 = _interopRequireDefault(_diffBase);

	var _diffCharacter = __webpack_require__(3);

	var _diffWord = __webpack_require__(4);

	var _diffLine = __webpack_require__(5);

	var _diffSentence = __webpack_require__(6);

	var _diffCss = __webpack_require__(7);

	var _diffJson = __webpack_require__(8);

	var _patchApply = __webpack_require__(9);

	var _patchCreate = __webpack_require__(10);

	var _convertDmp = __webpack_require__(12);

	var _convertXml = __webpack_require__(13);

	exports.Diff = _diffBase2['default'];
	exports.diffChars = _diffCharacter.diffChars;
	exports.diffWords = _diffWord.diffWords;
	exports.diffWordsWithSpace = _diffWord.diffWordsWithSpace;
	exports.diffLines = _diffLine.diffLines;
	exports.diffTrimmedLines = _diffLine.diffTrimmedLines;
	exports.diffSentences = _diffSentence.diffSentences;
	exports.diffCss = _diffCss.diffCss;
	exports.diffJson = _diffJson.diffJson;
	exports.structuredPatch = _patchCreate.structuredPatch;
	exports.createTwoFilesPatch = _patchCreate.createTwoFilesPatch;
	exports.createPatch = _patchCreate.createPatch;
	exports.applyPatch = _patchApply.applyPatch;
	exports.convertChangesToDMP = _convertDmp.convertChangesToDMP;
	exports.convertChangesToXML = _convertXml.convertChangesToXML;
	exports.canonicalize = _diffJson.canonicalize;


/***/ },
/* 1 */
/***/ function(module, exports, __webpack_require__) {

	'use strict';

	exports.__esModule = true;
	exports['default'] = Diff;
	// istanbul ignore next

	function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }

	var _utilMap = __webpack_require__(2);

	var _utilMap2 = _interopRequireDefault(_utilMap);

	function Diff(ignoreWhitespace) {
	  this.ignoreWhitespace = ignoreWhitespace;
	}

	Diff.prototype = {
	  diff: function diff(oldString, newString, callback) {
	    var self = this;

	    function done(value) {
	      if (callback) {
	        setTimeout(function () {
	          callback(undefined, value);
	        }, 0);
	        return true;
	      } else {
	        return value;
	      }
	    }

	    // Allow subclasses to massage the input prior to running
	    oldString = this.castInput(oldString);
	    newString = this.castInput(newString);

	    // Handle the identity case (this is due to unrolling editLength == 0
	    if (newString === oldString) {
	      return done([{ value: newString }]);
	    }
	    if (!newString) {
	      return done([{ value: oldString, removed: true }]);
	    }
	    if (!oldString) {
	      return done([{ value: newString, added: true }]);
	    }

	    newString = this.removeEmpty(this.tokenize(newString));
	    oldString = this.removeEmpty(this.tokenize(oldString));

	    var newLen = newString.length,
	        oldLen = oldString.length;
	    var editLength = 1;
	    var maxEditLength = newLen + oldLen;
	    var bestPath = [{ newPos: -1, components: [] }];

	    // Seed editLength = 0, i.e. the content starts with the same values
	    var oldPos = this.extractCommon(bestPath[0], newString, oldString, 0);
	    if (bestPath[0].newPos + 1 >= newLen && oldPos + 1 >= oldLen) {
	      // Identity per the equality and tokenizer
	      return done([{ value: newString.join('') }]);
	    }

	    // Main worker method. checks all permutations of a given edit length for acceptance.
	    function execEditLength() {
	      for (var diagonalPath = -1 * editLength; diagonalPath <= editLength; diagonalPath += 2) {
	        var basePath = undefined;
	        var addPath = bestPath[diagonalPath - 1],
	            removePath = bestPath[diagonalPath + 1],
	            _oldPos = (removePath ? removePath.newPos : 0) - diagonalPath;
	        if (addPath) {
	          // No one else is going to attempt to use this value, clear it
	          bestPath[diagonalPath - 1] = undefined;
	        }

	        var canAdd = addPath && addPath.newPos + 1 < newLen,
	            canRemove = removePath && 0 <= _oldPos && _oldPos < oldLen;
	        if (!canAdd && !canRemove) {
	          // If this path is a terminal then prune
	          bestPath[diagonalPath] = undefined;
	          continue;
	        }

	        // Select the diagonal that we want to branch from. We select the prior
	        // path whose position in the new string is the farthest from the origin
	        // and does not pass the bounds of the diff graph
	        if (!canAdd || canRemove && addPath.newPos < removePath.newPos) {
	          basePath = clonePath(removePath);
	          self.pushComponent(basePath.components, undefined, true);
	        } else {
	          basePath = addPath; // No need to clone, we've pulled it from the list
	          basePath.newPos++;
	          self.pushComponent(basePath.components, true, undefined);
	        }

	        _oldPos = self.extractCommon(basePath, newString, oldString, diagonalPath);

	        // If we have hit the end of both strings, then we are done
	        if (basePath.newPos + 1 >= newLen && _oldPos + 1 >= oldLen) {
	          return done(buildValues(basePath.components, newString, oldString, self.useLongestToken));
	        } else {
	          // Otherwise track this path as a potential candidate and continue.
	          bestPath[diagonalPath] = basePath;
	        }
	      }

	      editLength++;
	    }

	    // Performs the length of edit iteration. Is a bit fugly as this has to support the
	    // sync and async mode which is never fun. Loops over execEditLength until a value
	    // is produced.
	    if (callback) {
	      (function exec() {
	        setTimeout(function () {
	          // This should not happen, but we want to be safe.
	          /* istanbul ignore next */
	          if (editLength > maxEditLength) {
	            return callback();
	          }

	          if (!execEditLength()) {
	            exec();
	          }
	        }, 0);
	      })();
	    } else {
	      while (editLength <= maxEditLength) {
	        var ret = execEditLength();
	        if (ret) {
	          return ret;
	        }
	      }
	    }
	  },

	  pushComponent: function pushComponent(components, added, removed) {
	    var last = components[components.length - 1];
	    if (last && last.added === added && last.removed === removed) {
	      // We need to clone here as the component clone operation is just
	      // as shallow array clone
	      components[components.length - 1] = { count: last.count + 1, added: added, removed: removed };
	    } else {
	      components.push({ count: 1, added: added, removed: removed });
	    }
	  },
	  extractCommon: function extractCommon(basePath, newString, oldString, diagonalPath) {
	    var newLen = newString.length,
	        oldLen = oldString.length,
	        newPos = basePath.newPos,
	        oldPos = newPos - diagonalPath,
	        commonCount = 0;
	    while (newPos + 1 < newLen && oldPos + 1 < oldLen && this.equals(newString[newPos + 1], oldString[oldPos + 1])) {
	      newPos++;
	      oldPos++;
	      commonCount++;
	    }

	    if (commonCount) {
	      basePath.components.push({ count: commonCount });
	    }

	    basePath.newPos = newPos;
	    return oldPos;
	  },

	  equals: function equals(left, right) {
	    var reWhitespace = /\S/;
	    return left === right || this.ignoreWhitespace && !reWhitespace.test(left) && !reWhitespace.test(right);
	  },
	  removeEmpty: function removeEmpty(array) {
	    var ret = [];
	    for (var i = 0; i < array.length; i++) {
	      if (array[i]) {
	        ret.push(array[i]);
	      }
	    }
	    return ret;
	  },
	  castInput: function castInput(value) {
	    return value;
	  },
	  tokenize: function tokenize(value) {
	    return value.split('');
	  }
	};

	function buildValues(components, newString, oldString, useLongestToken) {
	  var componentPos = 0,
	      componentLen = components.length,
	      newPos = 0,
	      oldPos = 0;

	  for (; componentPos < componentLen; componentPos++) {
	    var component = components[componentPos];
	    if (!component.removed) {
	      if (!component.added && useLongestToken) {
	        var value = newString.slice(newPos, newPos + component.count);
	        value = _utilMap2['default'](value, function (value, i) {
	          var oldValue = oldString[oldPos + i];
	          return oldValue.length > value.length ? oldValue : value;
	        });

	        component.value = value.join('');
	      } else {
	        component.value = newString.slice(newPos, newPos + component.count).join('');
	      }
	      newPos += component.count;

	      // Common case
	      if (!component.added) {
	        oldPos += component.count;
	      }
	    } else {
	      component.value = oldString.slice(oldPos, oldPos + component.count).join('');
	      oldPos += component.count;

	      // Reverse add and remove so removes are output first to match common convention
	      // The diffing algorithm is tied to add then remove output and this is the simplest
	      // route to get the desired output with minimal overhead.
	      if (componentPos && components[componentPos - 1].added) {
	        var tmp = components[componentPos - 1];
	        components[componentPos - 1] = components[componentPos];
	        components[componentPos] = tmp;
	      }
	    }
	  }

	  return components;
	}

	function clonePath(path) {
	  return { newPos: path.newPos, components: path.components.slice(0) };
	}
	module.exports = exports['default'];


/***/ },
/* 2 */
/***/ function(module, exports) {

	// Following this pattern to make sure the ignore next is in the correct place after babel builds
	"use strict";

	exports.__esModule = true;
	exports["default"] = map;

	/* istanbul ignore next */
	function map(arr, mapper, that) {
	  if (Array.prototype.map) {
	    return Array.prototype.map.call(arr, mapper, that);
	  }

	  var other = new Array(arr.length);

	  for (var i = 0, n = arr.length; i < n; i++) {
	    other[i] = mapper.call(that, arr[i], i, arr);
	  }
	  return other;
	}
	module.exports = exports["default"];


/***/ },
/* 3 */
/***/ function(module, exports, __webpack_require__) {

	'use strict';

	exports.__esModule = true;
	exports.diffChars = diffChars;
	// istanbul ignore next

	function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }

	var _base = __webpack_require__(1);

	var _base2 = _interopRequireDefault(_base);

	var characterDiff = new _base2['default']();
	exports.characterDiff = characterDiff;

	function diffChars(oldStr, newStr, callback) {
	  return characterDiff.diff(oldStr, newStr, callback);
	}


/***/ },
/* 4 */
/***/ function(module, exports, __webpack_require__) {

	'use strict';

	exports.__esModule = true;
	exports.diffWords = diffWords;
	exports.diffWordsWithSpace = diffWordsWithSpace;
	// istanbul ignore next

	function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }

	var _base = __webpack_require__(1);

	// Based on https://en.wikipedia.org/wiki/Latin_script_in_Unicode
	//
	// Ranges and exceptions:
	// Latin-1 Supplement, 0080–00FF
	//  - U+00D7  × Multiplication sign
	//  - U+00F7  ÷ Division sign
	// Latin Extended-A, 0100–017F
	// Latin Extended-B, 0180–024F
	// IPA Extensions, 0250–02AF
	// Spacing Modifier Letters, 02B0–02FF
	//  - U+02C7  ˇ &#711;  Caron
	//  - U+02D8  ˘ &#728;  Breve
	//  - U+02D9  ˙ &#729;  Dot Above
	//  - U+02DA  ˚ &#730;  Ring Above
	//  - U+02DB  ˛ &#731;  Ogonek
	//  - U+02DC  ˜ &#732;  Small Tilde
	//  - U+02DD  ˝ &#733;  Double Acute Accent
	// Latin Extended Additional, 1E00–1EFF

	var _base2 = _interopRequireDefault(_base);

	var extendedWordChars = /^[A-Za-z\xC0-\u02C6\u02C8-\u02D7\u02DE-\u02FF\u1E00-\u1EFF]+$/;

	var wordDiff = new _base2['default'](true);
	exports.wordDiff = wordDiff;
	var wordWithSpaceDiff = new _base2['default']();
	exports.wordWithSpaceDiff = wordWithSpaceDiff;
	wordDiff.tokenize = wordWithSpaceDiff.tokenize = function (value) {
	  var tokens = value.split(/(\s+|\b)/);

	  // Join the boundary splits that we do not consider to be boundaries. This is primarily the extended Latin character set.
	  for (var i = 0; i < tokens.length - 1; i++) {
	    // If we have an empty string in the next field and we have only word chars before and after, merge
	    if (!tokens[i + 1] && tokens[i + 2] && extendedWordChars.test(tokens[i]) && extendedWordChars.test(tokens[i + 2])) {
	      tokens[i] += tokens[i + 2];
	      tokens.splice(i + 1, 2);
	      i--;
	    }
	  }

	  return tokens;
	};

	function diffWords(oldStr, newStr, callback) {
	  return wordDiff.diff(oldStr, newStr, callback);
	}

	function diffWordsWithSpace(oldStr, newStr, callback) {
	  return wordWithSpaceDiff.diff(oldStr, newStr, callback);
	}


/***/ },
/* 5 */
/***/ function(module, exports, __webpack_require__) {

	'use strict';

	exports.__esModule = true;
	exports.diffLines = diffLines;
	exports.diffTrimmedLines = diffTrimmedLines;
	// istanbul ignore next

	function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }

	var _base = __webpack_require__(1);

	var _base2 = _interopRequireDefault(_base);

	var lineDiff = new _base2['default']();
	exports.lineDiff = lineDiff;
	var trimmedLineDiff = new _base2['default']();
	exports.trimmedLineDiff = trimmedLineDiff;
	trimmedLineDiff.ignoreTrim = true;

	lineDiff.tokenize = trimmedLineDiff.tokenize = function (value) {
	  var retLines = [],
	      lines = value.split(/^/m);
	  for (var i = 0; i < lines.length; i++) {
	    var line = lines[i],
	        lastLine = lines[i - 1],
	        lastLineLastChar = lastLine && lastLine[lastLine.length - 1];

	    // Merge lines that may contain windows new lines
	    if (line === '\n' && lastLineLastChar === '\r') {
	      retLines[retLines.length - 1] = retLines[retLines.length - 1].slice(0, -1) + '\r\n';
	    } else {
	      if (this.ignoreTrim) {
	        line = line.trim();
	        // add a newline unless this is the last line.
	        if (i < lines.length - 1) {
	          line += '\n';
	        }
	      }
	      retLines.push(line);
	    }
	  }

	  return retLines;
	};

	function diffLines(oldStr, newStr, callback) {
	  return lineDiff.diff(oldStr, newStr, callback);
	}

	function diffTrimmedLines(oldStr, newStr, callback) {
	  return trimmedLineDiff.diff(oldStr, newStr, callback);
	}


/***/ },
/* 6 */
/***/ function(module, exports, __webpack_require__) {

	'use strict';

	exports.__esModule = true;
	exports.diffSentences = diffSentences;
	// istanbul ignore next

	function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }

	var _base = __webpack_require__(1);

	var _base2 = _interopRequireDefault(_base);

	var sentenceDiff = new _base2['default']();
	exports.sentenceDiff = sentenceDiff;
	sentenceDiff.tokenize = function (value) {
	  return value.split(/(\S.+?[.!?])(?=\s+|$)/);
	};

	function diffSentences(oldStr, newStr, callback) {
	  return sentenceDiff.diff(oldStr, newStr, callback);
	}


/***/ },
/* 7 */
/***/ function(module, exports, __webpack_require__) {

	'use strict';

	exports.__esModule = true;
	exports.diffCss = diffCss;
	// istanbul ignore next

	function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }

	var _base = __webpack_require__(1);

	var _base2 = _interopRequireDefault(_base);

	var cssDiff = new _base2['default']();
	exports.cssDiff = cssDiff;
	cssDiff.tokenize = function (value) {
	  return value.split(/([{}:;,]|\s+)/);
	};

	function diffCss(oldStr, newStr, callback) {
	  return cssDiff.diff(oldStr, newStr, callback);
	}


/***/ },
/* 8 */
/***/ function(module, exports, __webpack_require__) {

	'use strict';

	exports.__esModule = true;
	exports.diffJson = diffJson;
	exports.canonicalize = canonicalize;
	// istanbul ignore next

	function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }

	var _base = __webpack_require__(1);

	var _base2 = _interopRequireDefault(_base);

	var _line = __webpack_require__(5);

	var objectPrototypeToString = Object.prototype.toString;

	var jsonDiff = new _base2['default']();
	// Discriminate between two lines of pretty-printed, serialized JSON where one of them has a
	// dangling comma and the other doesn't. Turns out including the dangling comma yields the nicest output:
	exports.jsonDiff = jsonDiff;
	jsonDiff.useLongestToken = true;

	jsonDiff.tokenize = _line.lineDiff.tokenize;
	jsonDiff.castInput = function (value) {
	  return typeof value === 'string' ? value : JSON.stringify(canonicalize(value), undefined, '  ');
	};
	jsonDiff.equals = function (left, right) {
	  return _base2['default'].prototype.equals(left.replace(/,([\r\n])/g, '$1'), right.replace(/,([\r\n])/g, '$1'));
	};

	function diffJson(oldObj, newObj, callback) {
	  return jsonDiff.diff(oldObj, newObj, callback);
	}

	// This function handles the presence of circular references by bailing out when encountering an
	// object that is already on the "stack" of items being processed.

	function canonicalize(obj, stack, replacementStack) {
	  stack = stack || [];
	  replacementStack = replacementStack || [];

	  var i = undefined;

	  for (i = 0; i < stack.length; i += 1) {
	    if (stack[i] === obj) {
	      return replacementStack[i];
	    }
	  }

	  var canonicalizedObj = undefined;

	  if ('[object Array]' === objectPrototypeToString.call(obj)) {
	    stack.push(obj);
	    canonicalizedObj = new Array(obj.length);
	    replacementStack.push(canonicalizedObj);
	    for (i = 0; i < obj.length; i += 1) {
	      canonicalizedObj[i] = canonicalize(obj[i], stack, replacementStack);
	    }
	    stack.pop();
	    replacementStack.pop();
	  } else if (typeof obj === 'object' && obj !== null) {
	    stack.push(obj);
	    canonicalizedObj = {};
	    replacementStack.push(canonicalizedObj);
	    var sortedKeys = [],
	        key = undefined;
	    for (key in obj) {
	      /* istanbul ignore else */
	      if (obj.hasOwnProperty(key)) {
	        sortedKeys.push(key);
	      }
	    }
	    sortedKeys.sort();
	    for (i = 0; i < sortedKeys.length; i += 1) {
	      key = sortedKeys[i];
	      canonicalizedObj[key] = canonicalize(obj[key], stack, replacementStack);
	    }
	    stack.pop();
	    replacementStack.pop();
	  } else {
	    canonicalizedObj = obj;
	  }
	  return canonicalizedObj;
	}


/***/ },
/* 9 */
/***/ function(module, exports) {

	'use strict';

	exports.__esModule = true;
	exports.applyPatch = applyPatch;

	function applyPatch(oldStr, uniDiff) {
	  var diffstr = uniDiff.split('\n'),
	      hunks = [],
	      i = 0,
	      remEOFNL = false,
	      addEOFNL = false;

	  // Skip to the first change hunk
	  while (i < diffstr.length && !/^@@/.test(diffstr[i])) {
	    i++;
	  }

	  // Parse the unified diff
	  for (; i < diffstr.length; i++) {
	    if (diffstr[i][0] === '@') {
	      var chnukHeader = diffstr[i].split(/@@ -(\d+),(\d+) \+(\d+),(\d+) @@/);
	      hunks.unshift({
	        start: chnukHeader[3],
	        oldlength: +chnukHeader[2],
	        removed: [],
	        newlength: chnukHeader[4],
	        added: []
	      });
	    } else if (diffstr[i][0] === '+') {
	      hunks[0].added.push(diffstr[i].substr(1));
	    } else if (diffstr[i][0] === '-') {
	      hunks[0].removed.push(diffstr[i].substr(1));
	    } else if (diffstr[i][0] === ' ') {
	      hunks[0].added.push(diffstr[i].substr(1));
	      hunks[0].removed.push(diffstr[i].substr(1));
	    } else if (diffstr[i][0] === '\\') {
	      if (diffstr[i - 1][0] === '+') {
	        remEOFNL = true;
	      } else if (diffstr[i - 1][0] === '-') {
	        addEOFNL = true;
	      }
	    }
	  }

	  // Apply the diff to the input
	  var lines = oldStr.split('\n');
	  for (i = hunks.length - 1; i >= 0; i--) {
	    var hunk = hunks[i];
	    // Sanity check the input string. Bail if we don't match.
	    for (var j = 0; j < hunk.oldlength; j++) {
	      if (lines[hunk.start - 1 + j] !== hunk.removed[j]) {
	        return false;
	      }
	    }
	    Array.prototype.splice.apply(lines, [hunk.start - 1, hunk.oldlength].concat(hunk.added));
	  }

	  // Handle EOFNL insertion/removal
	  if (remEOFNL) {
	    while (!lines[lines.length - 1]) {
	      lines.pop();
	    }
	  } else if (addEOFNL) {
	    lines.push('');
	  }
	  return lines.join('\n');
	}


/***/ },
/* 10 */
/***/ function(module, exports, __webpack_require__) {

	'use strict';

	exports.__esModule = true;
	exports.structuredPatch = structuredPatch;
	exports.createTwoFilesPatch = createTwoFilesPatch;
	exports.createPatch = createPatch;
	// istanbul ignore next

	function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }

	var _diffPatch = __webpack_require__(11);

	var _utilMap = __webpack_require__(2);

	var _utilMap2 = _interopRequireDefault(_utilMap);

	function structuredPatch(oldFileName, newFileName, oldStr, newStr, oldHeader, newHeader, options) {
	  if (!options) {
	    options = { context: 4 };
	  }

	  var diff = _diffPatch.patchDiff.diff(oldStr, newStr);
	  diff.push({ value: '', lines: [] }); // Append an empty value to make cleanup easier

	  function contextLines(lines) {
	    return _utilMap2['default'](lines, function (entry) {
	      return ' ' + entry;
	    });
	  }

	  var hunks = [];
	  var oldRangeStart = 0,
	      newRangeStart = 0,
	      curRange = [],
	      oldLine = 1,
	      newLine = 1;

	  var _loop = function (i) {
	    var current = diff[i],
	        lines = current.lines || current.value.replace(/\n$/, '').split('\n');
	    current.lines = lines;

	    if (current.added || current.removed) {
	      // If we have previous context, start with that
	      if (!oldRangeStart) {
	        var prev = diff[i - 1];
	        oldRangeStart = oldLine;
	        newRangeStart = newLine;

	        if (prev) {
	          curRange = options.context > 0 ? contextLines(prev.lines.slice(-options.context)) : [];
	          oldRangeStart -= curRange.length;
	          newRangeStart -= curRange.length;
	        }
	      }

	      // Output our changes
	      curRange.push.apply(curRange, _utilMap2['default'](lines, function (entry) {
	        return (current.added ? '+' : '-') + entry;
	      }));

	      // Track the updated file position
	      if (current.added) {
	        newLine += lines.length;
	      } else {
	        oldLine += lines.length;
	      }
	    } else {
	      // Identical context lines. Track line changes
	      if (oldRangeStart) {
	        // Close out any changes that have been output (or join overlapping)
	        if (lines.length <= options.context * 2 && i < diff.length - 2) {
	          // Overlapping
	          curRange.push.apply(curRange, contextLines(lines));
	        } else {
	          // end the range and output
	          var contextSize = Math.min(lines.length, options.context);
	          curRange.push.apply(curRange, contextLines(lines.slice(0, contextSize)));

	          var hunk = {
	            oldStart: oldRangeStart,
	            oldLines: oldLine - oldRangeStart + contextSize,
	            newStart: newRangeStart,
	            newLines: newLine - newRangeStart + contextSize,
	            lines: curRange
	          };
	          if (i >= diff.length - 2 && lines.length <= options.context) {
	            // EOF is inside this hunk
	            var oldEOFNewline = /\n$/.test(oldStr);
	            var newEOFNewline = /\n$/.test(newStr);
	            if (lines.length == 0 && !oldEOFNewline) {
	              // special case: old has no eol and no trailing context; no-nl can end up before adds
	              curRange.splice(hunk.oldLines, 0, '\\ No newline at end of file');
	            } else if (!oldEOFNewline || !newEOFNewline) {
	              curRange.push('\\ No newline at end of file');
	            }
	          }
	          hunks.push(hunk);

	          oldRangeStart = 0;
	          newRangeStart = 0;
	          curRange = [];
	        }
	      }
	      oldLine += lines.length;
	      newLine += lines.length;
	    }
	  };

	  for (var i = 0; i < diff.length; i++) {
	    _loop(i);
	  }

	  return {
	    oldFileName: oldFileName, newFileName: newFileName,
	    oldHeader: oldHeader, newHeader: newHeader,
	    hunks: hunks
	  };
	}

	function createTwoFilesPatch(oldFileName, newFileName, oldStr, newStr, oldHeader, newHeader, options) {
	  var diff = structuredPatch(oldFileName, newFileName, oldStr, newStr, oldHeader, newHeader, options);

	  var ret = [];
	  if (oldFileName == newFileName) {
	    ret.push('Index: ' + oldFileName);
	  }
	  ret.push('===================================================================');
	  ret.push('--- ' + diff.oldFileName + (typeof diff.oldHeader === 'undefined' ? '' : '\t' + diff.oldHeader));
	  ret.push('+++ ' + diff.newFileName + (typeof diff.newHeader === 'undefined' ? '' : '\t' + diff.newHeader));

	  for (var i = 0; i < diff.hunks.length; i++) {
	    var hunk = diff.hunks[i];
	    ret.push('@@ -' + hunk.oldStart + ',' + hunk.oldLines + ' +' + hunk.newStart + ',' + hunk.newLines + ' @@');
	    ret.push.apply(ret, hunk.lines);
	  }

	  return ret.join('\n') + '\n';
	}

	function createPatch(fileName, oldStr, newStr, oldHeader, newHeader, options) {
	  return createTwoFilesPatch(fileName, fileName, oldStr, newStr, oldHeader, newHeader, options);
	}


/***/ },
/* 11 */
/***/ function(module, exports, __webpack_require__) {

	'use strict';

	exports.__esModule = true;
	// istanbul ignore next

	function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }

	var _base = __webpack_require__(1);

	var _base2 = _interopRequireDefault(_base);

	var patchDiff = new _base2['default']();
	exports.patchDiff = patchDiff;
	patchDiff.tokenize = function (value) {
	  var ret = [],
	      linesAndNewlines = value.split(/(\n|\r\n)/);

	  // Ignore the final empty token that occurs if the string ends with a new line
	  if (!linesAndNewlines[linesAndNewlines.length - 1]) {
	    linesAndNewlines.pop();
	  }

	  // Merge the content and line separators into single tokens
	  for (var i = 0; i < linesAndNewlines.length; i++) {
	    var line = linesAndNewlines[i];

	    if (i % 2) {
	      ret[ret.length - 1] += line;
	    } else {
	      ret.push(line);
	    }
	  }
	  return ret;
	};


/***/ },
/* 12 */
/***/ function(module, exports) {

	// See: http://code.google.com/p/google-diff-match-patch/wiki/API
	"use strict";

	exports.__esModule = true;
	exports.convertChangesToDMP = convertChangesToDMP;

	function convertChangesToDMP(changes) {
	  var ret = [],
	      change = undefined,
	      operation = undefined;
	  for (var i = 0; i < changes.length; i++) {
	    change = changes[i];
	    if (change.added) {
	      operation = 1;
	    } else if (change.removed) {
	      operation = -1;
	    } else {
	      operation = 0;
	    }

	    ret.push([operation, change.value]);
	  }
	  return ret;
	}


/***/ },
/* 13 */
/***/ function(module, exports) {

	'use strict';

	exports.__esModule = true;
	exports.convertChangesToXML = convertChangesToXML;

	function convertChangesToXML(changes) {
	  var ret = [];
	  for (var i = 0; i < changes.length; i++) {
	    var change = changes[i];
	    if (change.added) {
	      ret.push('<ins>');
	    } else if (change.removed) {
	      ret.push('<del>');
	    }

	    ret.push(escapeHTML(change.value));

	    if (change.added) {
	      ret.push('</ins>');
	    } else if (change.removed) {
	      ret.push('</del>');
	    }
	  }
	  return ret.join('');
	}

	function escapeHTML(s) {
	  var n = s;
	  n = n.replace(/&/g, '&amp;');
	  n = n.replace(/</g, '&lt;');
	  n = n.replace(/>/g, '&gt;');
	  n = n.replace(/"/g, '&quot;');

	  return n;
	}


/***/ }
/******/ ])
});
;
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055

本文内容由网友自发贡献，转载请注明出处：https://www.wpsshop.cn/w/我家自动化/article/detail/796910

js对比两个文本的差异并高亮显示差异部分_js 判断两个input内容差异 差异部分标红

js对比两个文本的差异并高亮显示差异部分_js 判断两个input内容差异差异部分标红