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jdd.js
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jdd.js
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/*******************************************************************************
*
* Copyright 2015-2017 Zack Grossbart
*
* 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.
*
******************************************************************************/
'use strict';
// utilites
//
/**
* Fixing typeof
* takes value and returns type of value
* @param value
* return typeof value
*/
function getType(value) {
if ((function () { return value && (value !== this); }).call(value)) {
//fallback on 'typeof' for truthy primitive values
return typeof value;
}
return ({}).toString.call(value).match(/\s([a-z|A-Z]+)/)[1].toLowerCase();
}
/**
* Iterate over array of objects and call given callback for each item in the array
* Optionally may take this as scope
*
* @param array
* @param callback
* @param optional scope
*/
function forEach(array, callback, scope) {
for (var idx = 0; idx < array.length; idx++) {
callback.call(scope, array[idx], idx, array);
}
}
/**
* The jdd object handles all of the functions for the main page. It finds the diffs and manages
* the interactions of displaying them.
*/
/*global jdd:true */
var jdd = {
LEFT: 'left',
RIGHT: 'right',
EQUALITY: 'eq',
TYPE: 'type',
MISSING: 'missing',
diffs: [],
requestCount: 0,
/**
* Find the differences between the two objects and recurse into their sub objects.
*/
findDiffs: function (/*Object*/ config1, /*Object*/ data1, /*Object*/ config2, /*Object*/ data2) {
config1.currentPath.push('/');
config2.currentPath.push('/');
var key;
// no un-used vars
// var val;
if (data1.length < data2.length) {
/*
* This means the second data has more properties than the first.
* We need to find the extra ones and create diffs for them.
*/
for (key in data2) {
if (data2.hasOwnProperty(key)) {
// no un-used vars
// val = data1[key];
if (!data1.hasOwnProperty(key)) {
jdd.diffs.push(jdd.generateDiff(config1, jdd.generatePath(config1),
config2, jdd.generatePath(config2, '/' + key),
'The right side of this object has more items than the left side', jdd.MISSING));
}
}
}
}
/*
* Now we're going to look for all the properties in object one and
* compare them to object two
*/
for (key in data1) {
if (data1.hasOwnProperty(key)) {
// no un-used vars
// val = data1[key];
config1.currentPath.push(key);
if (!data2.hasOwnProperty(key)) {
/*
* This means that the first data has a property which
* isn't present in the second data
*/
jdd.diffs.push(jdd.generateDiff(config1, jdd.generatePath(config1),
config2, jdd.generatePath(config2),
'Missing property <code>' + key + '</code> from the object on the right side', jdd.MISSING));
} else {
config2.currentPath.push(key);
jdd.diffVal(data1[key], config1, data2[key], config2);
config2.currentPath.pop();
}
config1.currentPath.pop();
}
}
config1.currentPath.pop();
config2.currentPath.pop();
/*
* Now we want to look at all the properties in object two that
* weren't in object one and generate diffs for them.
*/
for (key in data2) {
if (data2.hasOwnProperty(key)) {
// no un-used vars
// val = data1[key];
if (!data1.hasOwnProperty(key)) {
jdd.diffs.push(jdd.generateDiff(config1, jdd.generatePath(config1),
config2, jdd.generatePath(config2, key),
'Missing property <code>' + key + '</code> from the object on the left side', jdd.MISSING));
}
}
}
},
/**
* Generate the differences between two values. This handles differences of object
* types and actual values.
*/
diffVal: function (val1, config1, val2, config2) {
if (getType(val1) === 'array') {
jdd.diffArray(val1, config1, val2, config2);
} else if (getType(val1) === 'object') {
if (['array', 'string', 'number', 'boolean', 'null'].indexOf(getType(val2)) > -1) {
jdd.diffs.push(jdd.generateDiff(config1, jdd.generatePath(config1),
config2, jdd.generatePath(config2),
'Both types should be objects', jdd.TYPE));
} else {
jdd.findDiffs(config1, val1, config2, val2);
}
} else if (getType(val1) === 'string') {
if (getType(val2) !== 'string') {
jdd.diffs.push(jdd.generateDiff(config1, jdd.generatePath(config1),
config2, jdd.generatePath(config2),
'Both types should be strings', jdd.TYPE));
} else if (val1 !== val2) {
jdd.diffs.push(jdd.generateDiff(config1, jdd.generatePath(config1),
config2, jdd.generatePath(config2),
'Both sides should be equal strings', jdd.EQUALITY));
}
} else if (getType(val1) === 'number') {
if (getType(val2) !== 'number') {
jdd.diffs.push(jdd.generateDiff(config1, jdd.generatePath(config1),
config2, jdd.generatePath(config2),
'Both types should be numbers', jdd.TYPE));
} else if (val1 !== val2) {
jdd.diffs.push(jdd.generateDiff(config1, jdd.generatePath(config1),
config2, jdd.generatePath(config2),
'Both sides should be equal numbers', jdd.EQUALITY));
}
} else if (getType(val1) === 'boolean') {
jdd.diffBool(val1, config1, val2, config2);
} else if (getType(val1) === 'null' && getType(val2) !== 'null') {
jdd.diffs.push(jdd.generateDiff(config1, jdd.generatePath(config1),
config2, jdd.generatePath(config2),
'Both types should be nulls', jdd.TYPE));
}
},
/**
* Arrays are more complex because we need to recurse into them and handle different length
* issues so we handle them specially in this function.
*/
diffArray: function (val1, config1, val2, config2) {
if (getType(val2) !== 'array') {
jdd.diffs.push(jdd.generateDiff(config1, jdd.generatePath(config1),
config2, jdd.generatePath(config2),
'Both types should be arrays', jdd.TYPE));
return;
}
if (val1.length < val2.length) {
/*
* Then there were more elements on the right side and we need to
* generate those differences.
*/
for (var i = val1.length; i < val2.length; i++) {
jdd.diffs.push(jdd.generateDiff(config1, jdd.generatePath(config1),
config2, jdd.generatePath(config2, '[' + i + ']'),
'Missing element <code>' + i + '</code> from the array on the left side', jdd.MISSING));
}
}
val1.forEach(function (arrayVal, index) {
if (val2.length <= index) {
jdd.diffs.push(jdd.generateDiff(config1, jdd.generatePath(config1, '[' + index + ']'),
config2, jdd.generatePath(config2),
'Missing element <code>' + index + '</code> from the array on the right side', jdd.MISSING));
} else {
config1.currentPath.push('/[' + index + ']');
config2.currentPath.push('/[' + index + ']');
if (getType(val2) === 'array') {
/*
* If both sides are arrays then we want to diff them.
*/
jdd.diffVal(val1[index], config1, val2[index], config2);
}
config1.currentPath.pop();
config2.currentPath.pop();
}
});
},
/**
* We handle boolean values specially because we can show a nicer message for them.
*/
diffBool: function (val1, config1, val2, config2) {
if (getType(val2) !== 'boolean') {
jdd.diffs.push(jdd.generateDiff(config1, jdd.generatePath(config1),
config2, jdd.generatePath(config2),
'Both types should be booleans', jdd.TYPE));
} else if (val1 !== val2) {
if (val1) {
jdd.diffs.push(jdd.generateDiff(config1, jdd.generatePath(config1),
config2, jdd.generatePath(config2),
'The left side is <code>true</code> and the right side is <code>false</code>', jdd.EQUALITY));
} else {
jdd.diffs.push(jdd.generateDiff(config1, jdd.generatePath(config1),
config2, jdd.generatePath(config2),
'The left side is <code>false</code> and the right side is <code>true</code>', jdd.EQUALITY));
}
}
},
/**
* Format the object into the output stream and decorate the data tree with
* the data about this object.
*/
formatAndDecorate: function (/*Object*/ config, /*Object*/ data) {
if (getType(data) === 'array') {
jdd.formatAndDecorateArray(config, data);
return;
}
jdd.startObject(config);
config.currentPath.push('/');
var props = jdd.getSortedProperties(data);
/*
* If the first set has more than the second then we will catch it
* when we compare values. However, if the second has more then
* we need to catch that here.
*/
props.forEach(function (key) {
config.out += jdd.newLine(config) + jdd.getTabs(config.indent) + '"' + jdd.unescapeString(key) + '": ';
config.currentPath.push(key);
config.paths.push({
path: jdd.generatePath(config),
line: config.line
});
jdd.formatVal(data[key], config);
config.currentPath.pop();
});
jdd.finishObject(config);
config.currentPath.pop();
},
/**
* Format the array into the output stream and decorate the data tree with
* the data about this object.
*/
formatAndDecorateArray: function (/*Object*/ config, /*Array*/ data) {
jdd.startArray(config);
/*
* If the first set has more than the second then we will catch it
* when we compare values. However, if the second has more then
* we need to catch that here.
*/
data.forEach(function (arrayVal, index) {
config.out += jdd.newLine(config) + jdd.getTabs(config.indent);
config.paths.push({
path: jdd.generatePath(config, '[' + index + ']'),
line: config.line
});
config.currentPath.push('/[' + index + ']');
jdd.formatVal(arrayVal, config);
config.currentPath.pop();
});
jdd.finishArray(config);
config.currentPath.pop();
},
/**
* Generate the start of the an array in the output stream and push in the new path
*/
startArray: function (config) {
config.indent++;
config.out += '[';
if (config.paths.length === 0) {
/*
* Then we are at the top of the array and we want to add
* a path for it.
*/
config.paths.push({
path: jdd.generatePath(config),
line: config.line
});
}
if (config.indent === 0) {
config.indent++;
}
},
/**
* Finish the array, outdent, and pop off all the path
*/
finishArray: function (config) {
if (config.indent === 0) {
config.indent--;
}
jdd.removeTrailingComma(config);
config.indent--;
config.out += jdd.newLine(config) + jdd.getTabs(config.indent) + ']';
if (config.indent !== 0) {
config.out += ',';
} else {
config.out += jdd.newLine(config);
}
},
/**
* Generate the start of the an object in the output stream and push in the new path
*/
startObject: function (config) {
config.indent++;
config.out += '{';
if (config.paths.length === 0) {
/*
* Then we are at the top of the object and we want to add
* a path for it.
*/
config.paths.push({
path: jdd.generatePath(config),
line: config.line
});
}
if (config.indent === 0) {
config.indent++;
}
},
/**
* Finish the object, outdent, and pop off all the path
*/
finishObject: function (config) {
if (config.indent === 0) {
config.indent--;
}
jdd.removeTrailingComma(config);
config.indent--;
config.out += jdd.newLine(config) + jdd.getTabs(config.indent) + '}';
if (config.indent !== 0) {
config.out += ',';
} else {
config.out += jdd.newLine(config);
}
},
/**
* Format a specific value into the output stream.
*/
formatVal: function (val, config) {
if (getType(val) === 'array') {
config.out += '[';
config.indent++;
val.forEach(function (arrayVal, index) {
config.out += jdd.newLine(config) + jdd.getTabs(config.indent);
config.paths.push({
path: jdd.generatePath(config, '[' + index + ']'),
line: config.line
});
config.currentPath.push('/[' + index + ']');
jdd.formatVal(arrayVal, config);
config.currentPath.pop();
});
jdd.removeTrailingComma(config);
config.indent--;
config.out += jdd.newLine(config) + jdd.getTabs(config.indent) + ']' + ',';
} else if (getType(val) === 'object') {
jdd.formatAndDecorate(config, val);
} else if (getType(val) === 'string') {
config.out += '"' + jdd.unescapeString(val) + '",';
} else if (getType(val) === 'number') {
config.out += val + ',';
} else if (getType(val) === 'boolean') {
config.out += val + ',';
} else if (getType(val) === 'null') {
config.out += 'null,';
}
},
/**
* When we parse the JSON string we end up removing the escape strings when we parse it
* into objects. This results in invalid JSON if we insert those strings back into the
* generated JSON. We also need to look out for characters that change the line count
* like new lines and carriage returns.
*
* This function puts those escaped values back when we generate the JSON output for the
* well known escape strings in JSON. It handles properties and values.
*
* This function does not handle unicode escapes. Unicode escapes are optional in JSON
* and the JSON output is still valid with a unicode character in it.
*/
unescapeString: function (val) {
if (val) {
return val.replace('\\', '\\\\') // Single slashes need to be replaced first
.replace('\"', '\\"') // Then double quotes
.replace('\n', '\\n') // New lines
.replace('\b', '\\b') // Backspace
.replace('\f', '\\f') // Formfeed
.replace('\r', '\\r') // Carriage return
.replace('\t', '\\t'); // Horizontal tabs
} else {
return val;
}
},
/**
* Generate a JSON path based on the specific configuration and an optional property.
*/
generatePath: function (config, prop) {
var s = '';
config.currentPath.forEach(function (path) {
s += path;
});
if (prop) {
s += '/' + prop;
}
if (s.length === 0) {
return '/';
} else {
return s;
}
},
/**
* Add a new line to the output stream
*/
newLine: function (config) {
config.line++;
return '\n';
},
/**
* Sort all the relevant properties and return them in an alphabetical sort by property key
*/
getSortedProperties: function (/*Object*/ obj) {
var props = [];
for (var prop in obj) {
if (obj.hasOwnProperty(prop)) {
props.push(prop);
}
}
props = props.sort(function (a, b) {
return a.localeCompare(b);
});
return props;
},
/**
* Generate the diff and verify that it matches a JSON path
*/
generateDiff: function (config1, path1, config2, path2, /*String*/ msg, type) {
if (path1 !== '/' && path1.charAt(path1.length - 1) === '/') {
path1 = path1.substring(0, path1.length - 1);
}
if (path2 !== '/' && path2.charAt(path2.length - 1) === '/') {
path2 = path2.substring(0, path2.length - 1);
}
var pathObj1 = config1.paths.find(function (path) {
return path.path === path1;
});
var pathObj2 = config2.paths.find(function (path) {
return path.path === path2;
});
if (!pathObj1) {
throw 'Unable to find line number for (' + msg + '): ' + path1;
}
if (!pathObj2) {
throw 'Unable to find line number for (' + msg + '): ' + path2;
}
return {
path1: pathObj1,
path2: pathObj2,
type: type,
msg: msg
};
},
/**
* Get the current indent level
*/
getTabs: function (/*int*/ indent) {
var s = '';
for (var i = 0; i < indent; i++) {
s += ' ';
}
return s;
},
/**
* Remove the trailing comma from the output.
*/
removeTrailingComma: function (config) {
/*
* Remove the trailing comma
*/
if (config.out.charAt(config.out.length - 1) === ',') {
config.out = config.out.substring(0, config.out.length - 1);
}
},
/**
* Create a config object for holding differences
*/
createConfig: function () {
return {
out: '',
indent: -1,
currentPath: [],
paths: [],
line: 1
};
},
/**
* Format the output pre tags.
*/
formatPRETags: function () {
forEach($('pre'), function (pre) {
var codeBlock = $('<pre class="codeBlock"></pre>');
var lineNumbers = $('<div class="gutter"></div>');
codeBlock.append(lineNumbers);
var codeLines = $('<div></div>');
codeBlock.append(codeLines);
var addLine = function (line, index) {
var div = $('<div class="codeLine line' + (index + 1) + '"></div>');
lineNumbers.append($('<span class="line-number">' + (index + 1) + '.</span>'));
var span = $('<span class="code"></span');
span.text(line);
div.append(span);
codeLines.append(div);
};
var lines = $(pre).text().split('\n');
lines.forEach(addLine);
codeBlock.addClass($(pre).attr('class'));
codeBlock.attr('id', $(pre).attr('id'));
$(pre).replaceWith(codeBlock);
});
},
/**
* Format the text edits which handle the JSON input
*/
formatTextAreas: function () {
forEach($('textarea'), function (textarea) {
var codeBlock = $('<div class="codeBlock"></div>');
var lineNumbers = $('<div class="gutter"></div>');
codeBlock.append(lineNumbers);
var addLine = function (line, index) {
lineNumbers.append($('<span class="line-number">' + (index + 1) + '.</span>'));
};
var lines = $(textarea).val().split('\n');
lines.forEach(addLine);
$(textarea).replaceWith(codeBlock);
codeBlock.append(textarea);
});
},
handleDiffClick: function (line, side) {
var diffs = jdd.diffs.filter(function (diff) {
if (side === jdd.LEFT) {
return line === diff.path1.line;
} else if (side === jdd.RIGHT) {
return line === diff.path2.line;
} else {
return line === diff.path1.line || line === diff.path2.line;
}
});
$('pre.left span.code').removeClass('selected');
$('pre.right span.code').removeClass('selected');
$('ul.toolbar').text('');
diffs.forEach(function (diff) {
$('pre.left div.line' + diff.path1.line + ' span.code').addClass('selected');
$('pre.right div.line' + diff.path2.line + ' span.code').addClass('selected');
});
if (side === jdd.LEFT || side === jdd.RIGHT) {
jdd.currentDiff = jdd.diffs.findIndex(function (diff) {
return diff.path1.line === line;
});
}
if (jdd.currentDiff === -1) {
jdd.currentDiff = jdd.diffs.findIndex(function (diff) {
return diff.path2.line === line;
});
}
var buttons = $('<div id="buttons"><div>');
var prev = $('<a href="#" title="Previous difference" id="prevButton"><</a>');
prev.addClass('disabled');
prev.click(function (e) {
e.preventDefault();
jdd.highlightPrevDiff();
});
buttons.append(prev);
buttons.append('<span id="prevNextLabel"></span>');
var next = $('<a href="#" title="Next difference" id="nextButton">></a>');
next.click(function (e) {
e.preventDefault();
jdd.highlightNextDiff();
});
buttons.append(next);
$('ul.toolbar').append(buttons);
jdd.updateButtonStyles();
jdd.showDiffDetails(diffs);
},
highlightPrevDiff: function () {
if (jdd.currentDiff > 0) {
jdd.currentDiff--;
jdd.highlightDiff(jdd.currentDiff);
jdd.scrollToDiff(jdd.diffs[jdd.currentDiff]);
jdd.updateButtonStyles();
}
},
highlightNextDiff: function () {
if (jdd.currentDiff < jdd.diffs.length - 1) {
jdd.currentDiff++;
jdd.highlightDiff(jdd.currentDiff);
jdd.scrollToDiff(jdd.diffs[jdd.currentDiff]);
jdd.updateButtonStyles();
}
},
updateButtonStyles: function () {
$('#prevButton').removeClass('disabled');
$('#nextButton').removeClass('disabled');
$('#prevNextLabel').text((jdd.currentDiff + 1) + ' of ' + (jdd.diffs.length));
if (jdd.currentDiff === 1) {
$('#prevButton').addClass('disabled');
} else if (jdd.currentDiff === jdd.diffs.length - 1) {
$('#nextButton').addClass('disabled');
}
},
/**
* Highlight the diff at the specified index
*/
highlightDiff: function (index) {
jdd.handleDiffClick(jdd.diffs[index].path1.line, jdd.BOTH);
},
/**
* Show the details of the specified diff
*/
showDiffDetails: function (diffs) {
diffs.forEach(function (diff) {
var li = $('<li></li>');
li.html(diff.msg);
$('ul.toolbar').append(li);
li.click(function () {
jdd.scrollToDiff(diff);
});
});
},
/**
* Scroll the specified diff to be visible
*/
scrollToDiff: function (diff) {
$('html, body').animate({
scrollTop: $('pre.left div.line' + diff.path1.line + ' span.code').offset().top
}, 0);
},
/**
* Process the specified diff
*/
processDiffs: function () {
var left = [];
var right = [];
jdd.diffs.forEach(function (diff) {
$('pre.left div.line' + diff.path1.line + ' span.code').addClass(diff.type).addClass('diff');
if (left.indexOf(diff.path1.line) === -1) {
$('pre.left div.line' + diff.path1.line + ' span.code').click(function () {
jdd.handleDiffClick(diff.path1.line, jdd.LEFT);
});
left.push(diff.path1.line);
}
$('pre.right div.line' + diff.path2.line + ' span.code').addClass(diff.type).addClass('diff');
if (right.indexOf(diff.path2.line) === -1) {
$('pre.right div.line' + diff.path2.line + ' span.code').click(function () {
jdd.handleDiffClick(diff.path2.line, jdd.RIGHT);
});
right.push(diff.path2.line);
}
});
jdd.diffs = jdd.diffs.sort(function (a, b) {
return a.path1.line - b.path1.line;
});
},
/**
* Validate the input against the JSON parser
*/
validateInput: function (json, side) {
try {
jsl.parser.parse(json);
if (side === jdd.LEFT) {
$('#errorLeft').text('').hide();
$('#textarealeft').removeClass('error');
} else {
$('#errorRight').text('').hide();
$('#textarearight').removeClass('error');
}
return true;
} catch (parseException) {
if (side === jdd.LEFT) {
$('#errorLeft').text(parseException.message).show();
$('#textarealeft').addClass('error');
} else {
$('#errorRight').text(parseException.message).show();
$('#textarearight').addClass('error');
}
return false;
}
},
/**
* Handle the file uploads
*/
handleFiles: function (files, side) {
var reader = new FileReader();
reader.onload = (function () {
return function (e) {
if (side === jdd.LEFT) {
$('#textarealeft').val(e.target.result);
} else {
$('#textarearight').val(e.target.result);
}
};
})(files[0]);
reader.readAsText(files[0]);
},
setupNewDiff: function () {
$('div.initContainer').show();
$('#compare').hide();
$('#processGo').show();
$('#textarealeft').val("");
$('#textarearight').val("");
$('div.diffcontainer').hide();
$('div.diffcontainer pre').text('');
$('ul.toolbar').text('');
},
/**
* Generate the report section with the diff
*/
generateReport: function () {
var report = $('#report');
report.text('');
var newDiff = $('<button>Perform a new diff</button>');
report.append(newDiff);
newDiff.click(function () {
jdd.setupNewDiff();
});
if (jdd.diffs.length === 0) {
report.append('<span>The two files were semantically identical.</span>');
return;
}
var typeCount = 0;
var eqCount = 0;
var missingCount = 0;
jdd.diffs.forEach(function (diff) {
if (diff.type === jdd.EQUALITY) {
eqCount++;
} else if (diff.type === jdd.MISSING) {
missingCount++;
} else if (diff.type === jdd.TYPE) {
typeCount++;
}
});
var title = $('<div class="reportTitle"></div>');
if (jdd.diffs.length === 1) {
title.text('Found ' + (jdd.diffs.length) + ' difference');
} else {
title.text('Found ' + (jdd.diffs.length) + ' differences');
}
report.prepend(title);
var filterBlock = $('<span class="filterBlock">Show:</span>');
/*
* The missing checkbox
*/
if (missingCount > 0) {
var missing = $('<label><input id="showMissing" type="checkbox" name="checkbox" value="value" checked="true"></label>');
if (missingCount === 1) {
missing.append(missingCount + ' missing property');
} else {
missing.append(missingCount + ' missing properties');
}
missing.children('input').click(function () {
if (!$(this).prop('checked')) {
$('span.code.diff.missing').addClass('missing_off').removeClass('missing');
} else {
$('span.code.diff.missing_off').addClass('missing').removeClass('missing_off');
}
});
filterBlock.append(missing);
}
/*
* The types checkbox
*/
if (typeCount > 0) {
var types = $('<label><input id="showTypes" type="checkbox" name="checkbox" value="value" checked="true"></label>');
if (typeCount === 1) {
types.append(typeCount + ' incorrect type');
} else {
types.append(typeCount + ' incorrect types');
}
types.children('input').click(function () {
if (!$(this).prop('checked')) {
$('span.code.diff.type').addClass('type_off').removeClass('type');
} else {
$('span.code.diff.type_off').addClass('type').removeClass('type_off');
}
});
filterBlock.append(types);
}
/*
* The equals checkbox
*/
if (eqCount > 0) {
var eq = $('<label><input id="showEq" type="checkbox" name="checkbox" value="value" checked="true"></label>');
if (eqCount === 1) {
eq.append(eqCount + ' unequal value');
} else {
eq.append(eqCount + ' unequal values');
}
eq.children('input').click(function () {
if (!$(this).prop('checked')) {
$('span.code.diff.eq').addClass('eq_off').removeClass('eq');
} else {
$('span.code.diff.eq_off').addClass('eq').removeClass('eq_off');
}
});
filterBlock.append(eq);
}
report.append(filterBlock);
},
/**
* Implement the compare button and complete the compare process
*/
compare: function () {
if (jdd.requestCount !== 0) {
/*
* This means we have a pending request and we just need to wait for that to finish.
*/
return;
}
$('body').addClass('progress');
$('#compare').prop('disabled', true);
var loadUrl = function (id, errId) {
if ($('#' + id).val().trim().substring(0, 4).toLowerCase() === 'http') {
jdd.requestCount++;
$.post('proxy.php',
{
'url': $('#' + id).val().trim()
}, function (responseObj) {
if (responseObj.error) {
$('#' + errId).text(responseObj.result).show();
$('#' + id).addClass('error');
$('body').removeClass('progress');
$('#compare').prop('disabled', false);
} else {
$('#' + id).val(responseObj.content);
jdd.requestCount--;
jdd.compare();
}
}, 'json');
return true;
} else {
return false;
}
};
if (loadUrl('textarealeft', 'errorLeft')) {
return;
}
if (loadUrl('textarearight', 'errorRight')) {
return;
}
/*
* We'll start by running the text through JSONlint since it gives