removed main function, now using felixge's sandboxed-module, split code into multiple files
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Gareth Jones
parent
e121ca345a
commit
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222
lib/layouts.js
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222
lib/layouts.js
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var dateFormat = require('./date_format')
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, layoutMakers = {
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"messagePassThrough": function() { return messagePassThroughLayout; },
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"basic": function() { return basicLayout; },
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"colored": function() { return colouredLayout; },
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"coloured": function() { return colouredLayout; },
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"pattern": function (config) {
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var pattern = config.pattern || undefined;
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return patternLayout(pattern);
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}
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};
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/**
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* BasicLayout is a simple layout for storing the logs. The logs are stored
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* in following format:
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* <pre>
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* [startTime] [logLevel] categoryName - message\n
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* </pre>
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*
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* @author Stephan Strittmatter
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*/
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function basicLayout (loggingEvent) {
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var timestampLevelAndCategory = '[' + dateFormat.asString(loggingEvent.startTime) + '] ';
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timestampLevelAndCategory += '[' + loggingEvent.level.toString() + '] ';
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timestampLevelAndCategory += loggingEvent.categoryName + ' - ';
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var output = timestampLevelAndCategory + loggingEvent.message;
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if (loggingEvent.exception) {
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output += '\n'
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output += timestampLevelAndCategory;
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if (loggingEvent.exception.stack) {
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output += loggingEvent.exception.stack;
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} else {
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output += loggingEvent.exception.name + ': '+loggingEvent.exception.message;
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}
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}
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return output;
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}
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/**
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* Taken from masylum's fork (https://github.com/masylum/log4js-node)
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*/
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function colorize (str, style) {
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var styles = {
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//styles
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'bold' : [1, 22],
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'italic' : [3, 23],
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'underline' : [4, 24],
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'inverse' : [7, 27],
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//grayscale
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'white' : [37, 39],
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'grey' : [90, 39],
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'black' : [90, 39],
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//colors
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'blue' : [34, 39],
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'cyan' : [36, 39],
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'green' : [32, 39],
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'magenta' : [35, 39],
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'red' : [31, 39],
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'yellow' : [33, 39]
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};
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return '\033[' + styles[style][0] + 'm' + str +
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'\033[' + styles[style][1] + 'm';
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}
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/**
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* colouredLayout - taken from masylum's fork.
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* same as basicLayout, but with colours.
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*/
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function colouredLayout (loggingEvent) {
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var timestampLevelAndCategory = colorize('[' + dateFormat.asString(loggingEvent.startTime) + '] ', 'grey');
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timestampLevelAndCategory += colorize(
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'[' + loggingEvent.level.toString() + '] ', loggingEvent.level.colour
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);
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timestampLevelAndCategory += colorize(loggingEvent.categoryName + ' - ', 'grey');
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var output = timestampLevelAndCategory + loggingEvent.message;
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if (loggingEvent.exception) {
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output += '\n'
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output += timestampLevelAndCategory;
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if (loggingEvent.exception.stack) {
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output += loggingEvent.exception.stack;
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} else {
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output += loggingEvent.exception.name + ': '+loggingEvent.exception.message;
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}
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}
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return output;
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}
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function messagePassThroughLayout (loggingEvent) {
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return loggingEvent.message;
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}
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/**
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* PatternLayout
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* Takes a pattern string and returns a layout function.
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* @author Stephan Strittmatter
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*/
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function patternLayout (pattern) {
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var TTCC_CONVERSION_PATTERN = "%r %p %c - %m%n";
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var regex = /%(-?[0-9]+)?(\.?[0-9]+)?([cdmnpr%])(\{([^\}]+)\})?|([^%]+)/;
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pattern = pattern || patternLayout.TTCC_CONVERSION_PATTERN;
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return function(loggingEvent) {
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var formattedString = "";
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var result;
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var searchString = this.pattern;
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while ((result = regex.exec(searchString))) {
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var matchedString = result[0];
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var padding = result[1];
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var truncation = result[2];
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var conversionCharacter = result[3];
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var specifier = result[5];
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var text = result[6];
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// Check if the pattern matched was just normal text
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if (text) {
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formattedString += "" + text;
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} else {
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// Create a raw replacement string based on the conversion
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// character and specifier
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var replacement = "";
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switch(conversionCharacter) {
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case "c":
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var loggerName = loggingEvent.categoryName;
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if (specifier) {
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var precision = parseInt(specifier, 10);
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var loggerNameBits = loggingEvent.categoryName.split(".");
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if (precision >= loggerNameBits.length) {
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replacement = loggerName;
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} else {
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replacement = loggerNameBits.slice(loggerNameBits.length - precision).join(".");
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}
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} else {
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replacement = loggerName;
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}
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break;
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case "d":
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var format = dateFormat.ISO8601_FORMAT;
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if (specifier) {
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format = specifier;
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// Pick up special cases
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if (format == "ISO8601") {
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format = dateFormat.ISO8601_FORMAT;
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} else if (format == "ABSOLUTE") {
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format = dateFormat.ABSOLUTETIME_FORMAT;
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} else if (format == "DATE") {
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format = dateFormat.DATETIME_FORMAT;
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}
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}
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// Format the date
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replacement = dateFormat.asString(format, loggingEvent.startTime);
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break;
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case "m":
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replacement = loggingEvent.message;
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break;
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case "n":
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replacement = "\n";
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break;
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case "p":
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replacement = loggingEvent.level.toString();
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break;
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case "r":
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replacement = "" + loggingEvent.startTime.toLocaleTimeString();
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break;
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case "%":
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replacement = "%";
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break;
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default:
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replacement = matchedString;
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break;
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}
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// Format the replacement according to any padding or
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// truncation specified
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var len;
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// First, truncation
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if (truncation) {
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len = parseInt(truncation.substr(1), 10);
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replacement = replacement.substring(0, len);
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}
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// Next, padding
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if (padding) {
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if (padding.charAt(0) == "-") {
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len = parseInt(padding.substr(1), 10);
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// Right pad with spaces
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while (replacement.length < len) {
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replacement += " ";
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}
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} else {
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len = parseInt(padding, 10);
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// Left pad with spaces
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while (replacement.length < len) {
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replacement = " " + replacement;
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}
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}
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}
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formattedString += replacement;
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}
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searchString = searchString.substr(result.index + result[0].length);
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}
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return formattedString;
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};
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};
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module.exports = {
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basicLayout: basicLayout
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, messagePassThroughLayout: messagePassThroughLayout
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, patternLayout: patternLayout
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, colouredLayout: colouredLayout
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, coloredLayout: colouredLayout
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, layout: function(name, config) {
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return layoutMakers[name] && layoutMakers[name](config);
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}
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};
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57
lib/levels.js
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57
lib/levels.js
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function Level(level, levelStr, colour) {
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this.level = level;
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this.levelStr = levelStr;
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this.colour = colour;
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}
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/**
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* converts given String to corresponding Level
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* @param {String} sArg String value of Level
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* @param {Log4js.Level} defaultLevel default Level, if no String representation
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* @return Level object
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* @type Log4js.Level
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*/
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function toLevel(sArg, defaultLevel) {
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if (sArg === null) {
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return defaultLevel;
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}
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if (typeof sArg == "string") {
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var s = sArg.toUpperCase();
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if (module.exports[s]) {
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return module.exports[s];
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}
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}
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return defaultLevel;
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};
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Level.prototype.toString = function() {
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return this.levelStr;
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};
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Level.prototype.isLessThanOrEqualTo = function(otherLevel) {
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if (typeof otherLevel === "string") {
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otherLevel = Level.toLevel(otherLevel);
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}
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return this.level <= otherLevel.level;
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};
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Level.prototype.isGreaterThanOrEqualTo = function(otherLevel) {
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if (typeof otherLevel === "string") {
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otherLevel = Level.toLevel(otherLevel);
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}
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return this.level >= otherLevel.level;
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};
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module.exports = {
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ALL: new Level(Number.MIN_VALUE, "ALL", "grey")
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, TRACE: new Level(5000, "TRACE", "blue")
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, DEBUG: new Level(10000, "DEBUG", "cyan")
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, INFO: new Level(20000, "INFO", "green")
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, WARN: new Level(30000, "WARN", "yellow")
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, ERROR: new Level(40000, "ERROR", "red")
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, FATAL: new Level(50000, "FATAL", "magenta")
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, OFF: new Level(Number.MAX_VALUE, "OFF", "grey")
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, toLevel: toLevel
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};
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90
test/layouts.js
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90
test/layouts.js
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var vows = require('vows'),
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assert = require('assert');
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vows.describe('log4js layouts').addBatch({
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'colouredLayout': {
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topic: function() {
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return require('../lib/layouts').colouredLayout;
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},
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'should apply level colour codes to output': function(layout) {
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var output = layout({
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message: "nonsense",
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startTime: new Date(2010, 11, 5, 14, 18, 30, 45),
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categoryName: "cheese",
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level: {
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colour: "green",
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toString: function() { return "ERROR"; }
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}
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});
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assert.equal(output, '\033[90m[2010-12-05 14:18:30.045] \033[39m\033[32m[ERROR] \033[39m\033[90mcheese - \033[39mnonsense');
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}
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},
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'messagePassThroughLayout': {
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topic: function() {
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return require('../lib/layouts').messagePassThroughLayout;
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},
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'should take a logevent and output only the message' : function(layout) {
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assert.equal(layout({
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message: "nonsense",
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startTime: new Date(2010, 11, 5, 14, 18, 30, 45),
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categoryName: "cheese",
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level: {
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colour: "green",
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toString: function() { return "ERROR"; }
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}
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}), "nonsense");
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}
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},
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'basicLayout': {
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topic: function() {
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var layout = require('../lib/layouts').basicLayout,
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event = {
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message: 'this is a test',
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startTime: new Date(2010, 11, 5, 14, 18, 30, 45),
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categoryName: "tests",
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level: {
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colour: "green",
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toString: function() { return "DEBUG"; }
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}
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};
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return [layout, event];
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},
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'should take a logevent and output a formatted string': function(args) {
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var layout = args[0], event = args[1];
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assert.equal(layout(event), "[2010-12-05 14:18:30.045] [DEBUG] tests - this is a test");
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},
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'should output a stacktrace, message if the event has an error attached': function(args) {
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var layout = args[0], event = args[1], output, lines,
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error = new Error("Some made-up error"),
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stack = error.stack.split(/\n/);
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event.exception = error;
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output = layout(event);
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lines = output.split(/\n/);
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assert.length(lines, stack.length+1);
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assert.equal(lines[0], "[2010-12-05 14:18:30.045] [DEBUG] tests - this is a test");
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assert.equal(lines[1], "[2010-12-05 14:18:30.045] [DEBUG] tests - Error: Some made-up error");
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for (var i = 1; i < stack.length; i++) {
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assert.equal(lines[i+1], stack[i]);
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}
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},
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'should output a name and message if the event has something that pretends to be an error': function(args) {
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var layout = args[0], event = args[1], output, lines;
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event.exception = {
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name: 'Cheese',
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message: 'Gorgonzola smells.'
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};
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output = layout(event);
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lines = output.split(/\n/);
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assert.length(lines, 2);
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assert.equal(lines[0], "[2010-12-05 14:18:30.045] [DEBUG] tests - this is a test");
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assert.equal(lines[1], "[2010-12-05 14:18:30.045] [DEBUG] tests - Cheese: Gorgonzola smells.");
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}
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}
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}).export(module);
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