X-Git-Url: https://git.r.bdr.sh/rbdr/cologne/blobdiff_plain/a181aeae67a9c9c86e9df92ab5c0de6ce00f47fb..11c4d72251053bb8d3ed34f20fcab665bc22f537:/lib/formatters/token.js diff --git a/lib/formatters/token.js b/lib/formatters/token.js index 4fa7d57..05895fa 100644 --- a/lib/formatters/token.js +++ b/lib/formatters/token.js @@ -1,58 +1,93 @@ -Module(Cobalt.Formatter, 'Token')({ - formatString : "{{message}}", - replaceRule : /{{(.*?)}}/g, - separatorLength : 60, - separatorType : "-", - format : function (logObject, opts){ - var indent, indentSize, - separatorLength, separatorType, - output; - indentSize = logObject._indentLevel || 0; - - indent = Array(indentSize + 1).join(' '); - - if (logObject._separator) { - separatorLength = logObject._separatorLength || this.separatorLength; - separatorType = logObject._separatorType || this.separatorType; - output = indent + Array(separatorLength - indentSize + 1).join(separatorType); - } else { - output = indent + this.parseFormatString(logObject, opts.formatString); - } - - if (opts.ansiColor) { - output = this.colorize(logObject._level, output); - } - - return output; - }, - - parseFormatString : function (logObject, formatString) { - var resultString = ''; - if (typeof formatString === 'undefined') { - formatString = this.formatString; - } - - resultString = formatString.replace(this.replaceRule, function(match, paren){ - return logObject[paren] || "-"; - }); +'use strict'; + +const Utilities = require('../utilities'); + +/** + * Token formatter. Given a format string it will attempt to output + * a message. + * + * @memberof Formatters + * @implements IFormatter + * @class Token + */ +module.exports = class TokenFormatter { + constructor(config) { + + /** + * The string to use as a template string. By default, any property + * inside double curly braces `{{likeThis}}` will be extracted from + * the object and replaced. If the object does not contain the + * property, it will leave it. + * + * @name formatString + * @instance + * @memberof Formatters.Token + * @type String + * @default '{{message}}' + */ + this.formatString = '{{message}}'; + + /** + * The regex rule to use to match the tokens. + * + * @name replaceRule + * @instance + * @memberof Formatters.Token + * @type RegExp + * @default /{{(.{1,255}?)}}/g + */ + this.replaceRule = /{{(.{1,255}?)}}/g; + + /** + * Flag that specifies whether or not to use an isoDate when using + * `_timestamp`. If false it will output the raw timestamp. + * + * @name isoDate + * @instance + * @memberof Formatters.Token + * @type Boolean + * @default true + */ + this.isoDate = true; + + this._ansiRe = /_ansi:.+/; + + Object.assign(this, config || {}); + } + + /** + * Main entry point, it will read the incoming log object and convert + * all the tokens to their corresponding representation, finally + * returning the string. + * + * @function format + * @instance + * @memberof Formatters.Token + * @param {tCologneLog} log the log to format + * @return {String} the formatted object + */ + format(log) { + + const escapeCode = String.fromCharCode(27); + return this.formatString.replace(this.replaceRule, (match, token) => { + + if (token === '_timestamp' && this.isoDate) { + const date = new Date(Number(log._timestamp) / 1000000); + return date.toISOString(); + } - return resultString; - }, - - colorize : function (level, message) { - switch(level) { - case 0: - case 1: - case 2: - case 3: - return message.red; - case 4: - return message.yellow; - case 5: - case 6: - return message.blue; - default: - return message; - } + if (token.match(this._ansiRe)) { + const ansiType = token.split(':')[1]; + + // Smartish coloring + if (ansiType === '_level') { + return escapeCode + Utilities.getAnsiCode(Utilities.getLevelAnsi(log._level)); + } + + return escapeCode + Utilities.getAnsiCode(ansiType); + } + + return log[token] || match; + }); } -}); +};