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108
| var stringDiff = require('diff');
var errorMethodBlacklist = ['message', 'line', 'sourceId', 'sourceURL', 'stack', 'stackArray'].reduce(function (result, prop) {
result[prop] = true;
return result;
}, {});
var specialCharRegexp = /([\x00-\x09\x0B-\x1F\x7F-\x9F\xAD\u0378\u0379\u037F-\u0383\u038B\u038D\u03A2\u0528-\u0530\u0557\u0558\u0560\u0588\u058B-\u058E\u0590\u05C8-\u05CF\u05EB-\u05EF\u05F5-\u0605\u061C\u061D\u06DD\u070E\u070F\u074B\u074C\u07B2-\u07BF\u07FB-\u07FF\u082E\u082F\u083F\u085C\u085D\u085F-\u089F\u08A1\u08AD-\u08E3\u08FF\u0978\u0980\u0984\u098D\u098E\u0991\u0992\u09A9\u09B1\u09B3-\u09B5\u09BA\u09BB\u09C5\u09C6\u09C9\u09CA\u09CF-\u09D6\u09D8-\u09DB\u09DE\u09E4\u09E5\u09FC-\u0A00\u0A04\u0A0B-\u0A0E\u0A11\u0A12\u0A29\u0A31\u0A34\u0A37\u0A3A\u0A3B\u0A3D\u0A43-\u0A46\u0A49\u0A4A\u0A4E-\u0A50\u0A52-\u0A58\u0A5D\u0A5F-\u0A65\u0A76-\u0A80\u0A84\u0A8E\u0A92\u0AA9\u0AB1\u0AB4\u0ABA\u0ABB\u0AC6\u0ACA\u0ACE\u0ACF\u0AD1-\u0ADF\u0AE4\u0AE5\u0AF2-\u0B00\u0B04\u0B0D\u0B0E\u0B11\u0B12\u0B29\u0B31\u0B34\u0B3A\u0B3B\u0B45\u0B46\u0B49\u0B4A\u0B4E-\u0B55\u0B58-\u0B5B\u0B5E\u0B64\u0B65\u0B78-\u0B81\u0B84\u0B8B-\u0B8D\u0B91\u0B96-\u0B98\u0B9B\u0B9D\u0BA0-\u0BA2\u0BA5-\u0BA7\u0BAB-\u0BAD\u0BBA-\u0BBD\u0BC3-\u0BC5\u0BC9\u0BCE\u0BCF\u0BD1-\u0BD6\u0BD8-\u0BE5\u0BFB-\u0C00\u0C04\u0C0D\u0C11\u0C29\u0C34\u0C3A-\u0C3C\u0C45\u0C49\u0C4E-\u0C54\u0C57\u0C5A-\u0C5F\u0C64\u0C65\u0C70-\u0C77\u0C80\u0C81\u0C84\u0C8D\u0C91\u0CA9\u0CB4\u0CBA\u0CBB\u0CC5\u0CC9\u0CCE-\u0CD4\u0CD7-\u0CDD\u0CDF\u0CE4\u0CE5\u0CF0\u0CF3-\u0D01\u0D04\u0D0D\u0D11\u0D3B\u0D3C\u0D45\u0D49\u0D4F-\u0D56\u0D58-\u0D5F\u0D64\u0D65\u0D76-\u0D78\u0D80\u0D81\u0D84\u0D97-\u0D99\u0DB2\u0DBC\u0DBE\u0DBF\u0DC7-\u0DC9\u0DCB-\u0DCE\u0DD5\u0DD7\u0DE0-\u0DF1\u0DF5-\u0E00\u0E3B-\u0E3E\u0E5C-\u0E80\u0E83\u0E85\u0E86\u0E89\u0E8B\u0E8C\u0E8E-\u0E93\u0E98\u0EA0\u0EA4\u0EA6\u0EA8\u0EA9\u0EAC\u0EBA\u0EBE\u0EBF\u0EC5\u0EC7\u0ECE\u0ECF\u0EDA\u0EDB\u0EE0-\u0EFF\u0F48\u0F6D-\u0F70\u0F98\u0FBD\u0FCD\u0FDB-\u0FFF\u10C6\u10C8-\u10CC\u10CE\u10CF\u1249\u124E\u124F\u1257\u1259\u125E\u125F\u1289\u128E\u128F\u12B1\u12B6\u12B7\u12BF\u12C1\u12C6\u12C7\u12D7\u1311\u1316\u1317\u135B\u135C\u137D-\u137F\u139A-\u139F\u13F5-\u13FF\u169D-\u169F\u16F1-\u16FF\u170D\u1715-\u171F\u1737-\u173F\u1754-\u175F\u176D\u1771\u1774-\u177F\u17DE\u17DF\u17EA-\u17EF\u17FA-\u17FF\u180F\u181A-\u181F\u1878-\u187F\u18AB-\u18AF\u18F6-\u18FF\u191D-\u191F\u192C-\u192F\u193C-\u193F\u1941-\u1943\u196E\u196F\u1975-\u197F\u19AC-\u19AF\u19CA-\u19CF\u19DB-\u19DD\u1A1C\u1A1D\u1A5F\u1A7D\u1A7E\u1A8A-\u1A8F\u1A9A-\u1A9F\u1AAE-\u1AFF\u1B4C-\u1B4F\u1B7D-\u1B7F\u1BF4-\u1BFB\u1C38-\u1C3A\u1C4A-\u1C4C\u1C80-\u1CBF\u1CC8-\u1CCF\u1CF7-\u1CFF\u1DE7-\u1DFB\u1F16\u1F17\u1F1E\u1F1F\u1F46\u1F47\u1F4E\u1F4F\u1F58\u1F5A\u1F5C\u1F5E\u1F7E\u1F7F\u1FB5\u1FC5\u1FD4\u1FD5\u1FDC\u1FF0\u1FF1\u1FF5\u1FFF\u200B-\u200F\u202A-\u202E\u2060-\u206F\u2072\u2073\u208F\u209D-\u209F\u20BA-\u20CF\u20F1-\u20FF\u218A-\u218F\u23F4-\u23FF\u2427-\u243F\u244B-\u245F\u2700\u2B4D-\u2B4F\u2B5A-\u2BFF\u2C2F\u2C5F\u2CF4-\u2CF8\u2D26\u2D28-\u2D2C\u2D2E\u2D2F\u2D68-\u2D6E\u2D71-\u2D7E\u2D97-\u2D9F\u2DA7\u2DAF\u2DB7\u2DBF\u2DC7\u2DCF\u2DD7\u2DDF\u2E3C-\u2E7F\u2E9A\u2EF4-\u2EFF\u2FD6-\u2FEF\u2FFC-\u2FFF\u3040\u3097\u3098\u3100-\u3104\u312E-\u3130\u318F\u31BB-\u31BF\u31E4-\u31EF\u321F\u32FF\u4DB6-\u4DBF\u9FCD-\u9FFF\uA48D-\uA48F\uA4C7-\uA4CF\uA62C-\uA63F\uA698-\uA69E\uA6F8-\uA6FF\uA78F\uA794-\uA79F\uA7AB-\uA7F7\uA82C-\uA82F\uA83A-\uA83F\uA878-\uA87F\uA8C5-\uA8CD\uA8DA-\uA8DF\uA8FC-\uA8FF\uA954-\uA95E\uA97D-\uA97F\uA9CE\uA9DA-\uA9DD\uA9E0-\uA9FF\uAA37-\uAA3F\uAA4E\uAA4F\uAA5A\uAA5B\uAA7C-\uAA7F\uAAC3-\uAADA\uAAF7-\uAB00\uAB07\uAB08\uAB0F\uAB10\uAB17-\uAB1F\uAB27\uAB2F-\uABBF\uABEE\uABEF\uABFA-\uABFF\uD7A4-\uD7AF\uD7C7-\uD7CA\uD7FC-\uF8FF\uFA6E\uFA6F\uFADA-\uFAFF\uFB07-\uFB12\uFB18-\uFB1C\uFB37\uFB3D\uFB3F\uFB42\uFB45\uFBC2-\uFBD2\uFD40-\uFD4F\uFD90\uFD91\uFDC8-\uFDEF\uFDFE\uFDFF\uFE1A-\uFE1F\uFE27-\uFE2F\uFE53\uFE67\uFE6C-\uFE6F\uFE75\uFEFD-\uFF00\uFFBF-\uFFC1\uFFC8\uFFC9\uFFD0\uFFD1\uFFD8\uFFD9\uFFDD-\uFFDF\uFFE7\uFFEF-\uFFFB\uFFFE\uFFFF])/g;
var utils = module.exports = {
// https://gist.github.com/1044128/
getOuterHTML: function (element) {
// jshint browser:true
if ('outerHTML' in element) return element.outerHTML;
var ns = "http://www.w3.org/1999/xhtml";
var container = document.createElementNS(ns, '_');
var xmlSerializer = new XMLSerializer();
var html;
if (document.xmlVersion) {
return xmlSerializer.serializeToString(element);
} else {
container.appendChild(element.cloneNode(false));
html = container.innerHTML.replace('><', '>' + element.innerHTML + '<');
container.innerHTML = '';
return html;
}
},
// Returns true if object is a DOM element.
isDOMElement: function (object) {
Iif (typeof HTMLElement === 'object') {
return object instanceof HTMLElement;
} else {
return object &&
typeof object === 'object' &&
object.nodeType === 1 &&
typeof object.nodeName === 'string';
}
},
isArray: function (ar) {
return Object.prototype.toString.call(ar) === '[object Array]';
},
isRegExp: function (re) {
var s;
try {
s = '' + re;
} catch (e) {
return false;
}
return re instanceof RegExp || // easy case
// duck-type for context-switching evalcx case
typeof(re) === 'function' &&
re.constructor.name === 'RegExp' &&
re.compile &&
re.test &&
re.exec &&
s.match(/^\/.*\/[gim]{0,3}$/);
},
isError: function (err) {
return typeof err === 'object' && Object.prototype.toString.call(err) === '[object Error]';
},
extend: function (target) {
var sources = Array.prototype.slice.call(arguments, 1);
sources.forEach(function (source) {
Object.keys(source).forEach(function (key) {
target[key] = source[key];
});
});
return target;
},
isUndefinedOrNull: function (value) {
return value === null || value === undefined;
},
getKeysOfDefinedProperties: function (object) {
var keys = Object.keys(object).filter(function (key) {
return typeof object[key] !== 'undefined';
});
// The 'message' property of Error instances is enumerable for some reason, but we want
// to include it in the set when comparing:
if (Object.prototype.toString.call(object) === '[object Error]') {
keys.push('message');
}
return keys;
},
truncateStack: function (err, fn) {
Eif (Error.captureStackTrace) {
Error.captureStackTrace(err, fn);
} else if ('stack' in err) {
// Excludes IE<10, and fn cannot be anonymous for this backup plan to work:
var stackEntries = err.stack.split(/\r\n?|\n\r?/),
needle = 'at ' + fn.name + ' ';
for (var i = 0 ; i < stackEntries.length ; i += 1) {
if (stackEntries[i].indexOf(needle) !== -1) {
stackEntries.splice(1, i);
err.stack = stackEntries.join("\n");
}
}
}
return err;
},
findFirst: function (arr, predicate, thisObj) {
var scope = thisObj || null;
for (var i = 0 ; i < arr.length ; i += 1) {
if (predicate.call(scope, arr[i], i, arr)) {
return arr[i];
}
}
return null;
},
leftPad: function (str, width, ch) {
ch = ch || ' ';
while (str.length < width) {
str = ch + str;
}
return str;
},
cloneError: function (e) {
var newError = new Error();
Object.keys(e).forEach(function (key) {
if (!errorMethodBlacklist[key]) {
newError[key] = e[key];
}
});
return newError;
},
escapeRegExpMetaChars: function (str) {
return str.replace(/[[\]{}()*+?.\\^$|]/g, '\\$&');
},
escapeChar: function (ch) {
Iif (ch === '\t') {
return '\\t';
} else Eif (ch === '\r') {
return '\\r';
} else {
var charCode = ch.charCodeAt(0);
var hexChars = charCode.toString(16).toUpperCase();
if (charCode < 256) {
return '\\x' + utils.leftPad(hexChars, 2, '0');
} else {
return '\\u' + utils.leftPad(hexChars, 4, '0');
}
}
},
diffStrings: function (actual, expected, output, options) {
options = options || {};
var type = options.type || 'WordsWithSpace';
function addStringToOutput(output, text, baseStyle, specialCharStyle) {
if (options.markUpSpecialCharacters) {
text.split(specialCharRegexp).forEach(function (part) {
if (specialCharRegexp.test(part)) {
output.write(specialCharStyle || baseStyle, utils.escapeChar(part));
} else {
output.write(baseStyle, part);
}
});
} else {
output.write(baseStyle, text);
}
return output;
}
var diffLines = [];
var lastPart;
stringDiff.diffLines(actual, expected).forEach(function (part) {
if (lastPart && lastPart.added && part.removed) {
diffLines.push({
oldValue: part.value,
newValue: lastPart.value,
replaced: true
});
lastPart = null;
} else if (lastPart) {
diffLines.push(lastPart);
lastPart = part;
} else {
lastPart = part;
}
});
if (lastPart) {
diffLines.push(lastPart);
}
diffLines.forEach(function (part, index) {
var endsWithNewline = /\n$/.test(part.value);
var value;
if (part.replaced) {
var oldLine = output.clone();
var newLine = output.clone();
var oldValue = part.oldValue;
var newValue = part.newValue;
var oldEndsWithNewline = oldValue.slice(-1) === '\n';
var newEndsWithNewline = newValue.slice(-1) === '\n';
if (oldEndsWithNewline) {
oldValue = oldValue.slice(0, -1);
}
if (newEndsWithNewline) {
newValue = newValue.slice(0, -1);
}
stringDiff['diff' + type](oldValue, newValue).forEach(function (part) {
if (part.added) {
addStringToOutput(newLine, part.value, 'diffAddedHighlight', 'diffAddedSpecialChar');
} else if (part.removed) {
addStringToOutput(oldLine, part.value, 'diffRemovedHighlight', 'diffRemovedSpecialChar');
} else {
newLine.diffAddedLine(part.value);
oldLine.diffRemovedLine(part.value);
}
});
oldLine.prependLinesWith(output.clone().diffRemovedLine('-'));
newLine.prependLinesWith(output.clone().diffAddedLine('+'));
if (oldEndsWithNewline && !newEndsWithNewline) {
oldLine.diffRemovedSpecialChar('\\n');
}
if (newEndsWithNewline && !oldEndsWithNewline) {
newLine.diffAddedSpecialChar('\\n');
}
output.append(oldLine).nl().append(newLine);
if (oldEndsWithNewline && index < diffLines.length - 1) {
output.nl();
}
} else if (part.added) {
value = endsWithNewline ?
part.value.slice(0, -1) :
part.value;
output.append(function () {
addStringToOutput(this, value, 'diffAddedLine').prependLinesWith(function () {
this.diffAddedLine('+');
});
});
if (endsWithNewline) {
output.nl();
}
} else if (part.removed) {
value = endsWithNewline ?
part.value.slice(0, -1) :
part.value;
output.append(function () {
addStringToOutput(this, value, 'diffRemovedLine').prependLinesWith(function () {
this.diffRemovedLine('-');
});
});
if (endsWithNewline) {
output.nl();
}
} else {
output.text(part.value.replace(/^(.)/gm, ' $1'));
}
});
return output;
}
};
|